ENGINEER (F3012 2024-20404):
Bowhead seeks an Engineer to join our team in supporting the Naval Surface Warfare Center - Crane Division (NSWC-Crane). The Engineer will support the IR Countermeasures Design Branch (WXRL) in both improving existing items in development of new airborne expendable countermeasures devices.
TRANSPORTATION ANALYST (NHTSA):
Bowhead seeks a Transportation Analyst to support the National Highway traffic Safety Administration (NHTSA)in Washington, DC. This position requires in-depth knowledge at a comprehensive professional level, of the application of engineering theories, techniques and methods to the gathering, classification, and interpretation of analytical information. For an engineer II, the position requires extensive knowledge of motor vehicle transportation related areas of research and engineering. A demonstrated skill in oral and written communication is required. A demonstrated skill in development of analysis plans; research report review; assimilation, aggregation; analysis of evolving technologies enabling modern motor vehicle safety capabilities and in the development of presentations and technical reports. Must have proficiency with the use various types of databases and spreadsheet software, such as Microsoft Access and Excel. Must also exhibit excellent attention to detail and accuracy.
Company Overview
Ukpeaġvik Iñupiat Corporation (UIC) is the village corporation of Barrow, Alaska and is recognized as one of Alaska's top 10 companies with approximately 4,000 employees nationwide and revenues above $700M annually. UIC is projected to grow substantially in the coming years to become a top 3 company in Alaska by 2030.
As a proud Alaska Native Corporation, our success brings growth and benefits to our Inupiat shareholders. The size and diversity of our operations means we have a broad variety of career opportunities. We recruit only qualified people looking to join a workforce characterized by strong leadership, competent and hard-working staff, and a superior work environment with a focus on career development, great wages and benefits.
UIC Municipal Services (UICMS) is based in Utqiagvik. Our mission is to help the North Slope Borough achieve their goals “to sustain and improve the quality of life for the North Slope Borough residents by providing a wide range of cost-effective and well-coordinated essential municipal services.”
Company Overview
Ukpeaġvik Iñupiat Corporation (UIC) is the village corporation of Barrow, Alaska and is recognized as one of Alaska's top 10 companies with approximately 4,000 employees nationwide and revenues above $700M annually. UIC is projected to grow substantially in the coming years to become a top 3 company in Alaska by 2030.
As a proud Alaska Native Corporation, our success brings growth and benefits to our Inupiat shareholders. The size and diversity of our operations means we have a broad variety of career opportunities. We recruit only qualified people looking to join a workforce characterized by strong leadership, competent and hard-working staff, and a superior work environment with a focus on career development, great wages and benefits.
Construct, erect, install, or repair structures and fixtures made of wood, such as concrete forms; building frameworks, including partitions, joists, studding, and rafters; and wood stairways, window and door frames, and hardwood floors. May also install cabinets, siding, drywall and batt or roll insulation. Includes brattice builders who build doors or brattices (ventilation walls or partitions) in underground passageways.
LOGISTICIAN (F3500-2024-20372):
Bowhead seeks a Logistician to join our team in Crane, IN. The Logisticians are responsible for managing a product's life cycle from design to disposal and must be able to develop, adjust and carry out logistical plans related to various products. Logisticians are required to properly allocate materials, supplies and products to ensure the success of the contract and must have excellent communication and problem solving skills. The Logisticians must also keep accurate and complete record and be able to work in a fast-paced environment requiring excellent organizational skills.
INDOOR RANGE TECH:
Bowhead is hiring an Engineering Technician to support an indoor Ballistics Range Technician for the Army Research Laboratory (ARL) on Aberdeen Proving Ground (APG), MD. This individual performs standardized or prescribed assignments involving a sequence of related operations.
Range Technician (ARL-2024-):
Bowhead has an immediate need for a Range Technician to support the Army Research Laboratory (ARL) on Aberdeen Proving Ground (APG). The Engineering Technician in this position performs standardized or prescribed assignments involving a sequence of related operations.
SYSTEMS ADMINISTRATOR (WINDOWS) (RDTE)
Bowhead seeks a Systems Administrator (Windows) to provide customer support and technical assistance to users supporting a Research, Development, Test and Evaluation Program in Dahlgren, VA at the Naval Surface Warfare Center Dahlgren Division (NSWCDD).
Bowhead Logistics Management, LLC seeks Heavy Equipment Mechanics for the Letterkenny Army Depot, Chambersburg, PA location.
PROGRAM MANAGEMENT ANALYST (VOPS-2024-20398)
Bowhead seeks a Program Management Analyst to provide Program Management Analyst support for Combined Integrated Air and Missile Defense and Anti-Submarine Warfare Trainer (CIAT) program at Naval Surface Warfare Center Dahlgren Division (NSWCDD).
Bowhead seeks a Paint Preparation Worker for 2nd shift at Letterkenny Army Depot in Chambersburg, PA.
SOLUTIONS ARCHITECT (RDTE)
Bowhead is seeking a Solutions Architect to join our team in Dahlgren, VA. The Solutions Architect will research, design, and map out solutions to complex technical issues, ultimately creating a technical requirements outline for prospective projects. They will design system architecture, infrastructure, provide software recommendations, and need to be highly skilled in application and infrastructure troubleshooting. This individual must be able to exercise discretion and independent judgment while carrying out job duties as to matters significant to the customer's business by possessing the power to evaluate possible courses of action and to make a recommendation after considering various options.
CUSTOMER TECHNICAL SUPPORT SPECIALIST (NEN) (RDTE)
Bowhead has a job opening for a Desktop Support Technician in Dahlgren, VA. The candidate will provide customer support and technical assistance to users of a specific organization at the Naval Surface Warfare Center Dahlgren Division (NSWCDD).
CUSTOMER TECHNICAL SUPPORT SPECIALIST (NEN) (RDTE)
Bowhead has a job opening for a Desktop Support Technician in Dahlgren, VA. The candidate will provide customer support and technical assistance to users of a specific organization at the Naval Surface Warfare Center Dahlgren Division (NSWCDD).
GENERAL CLERK III (ICE-MA-2024-20393):
Bowhead seeks a General Clerk III to provide Document Management Support Services to the Office of Principal Legal Advisor (OPLA). OPLA requires case management support and administrative services for the execution of their broad and diverse mission of providing a full range of legal counsel and services to all ICE offices and programs. OPLA's responsibilities include representing the Department of Homeland Security (DHS) in proceedings before the Immigration Courts, representing DHS in appellate proceedings before the Board of Immigration Appeals, and providing support and direction to the Department of Justice, Office of Immigration Litigation as well as to the U.S. Attorney's Offices nationwide. The Chief Counsel's office handles confidential and high-level documentation. The duties primarily include maintaining and organizing files, mail management, scanning of documents, enter/upload data into PLAnet (OPLA's electronic alien file repository), conducting research and drafting documents. General Clerk III follows detailed procedures in performing repetitive tasks in the same sequence.
This position is full time, benefits eligible at an hourly rate of $22.39 plus H&W (Health and Welfare) rate per local wage determination. The location is in Boston, MA.
COMPANY OVERVIEW
UIC Construction, LLC specializes in construction projects in remote locations throughout Alaska with challenging logistics and weather conditions. During the company’s 30-plus years of working in Alaska and the Lower 48, UIC Construction has completed well over $1 billion in construction projects over a diverse variety of project types and sizes. UIC Construction’s capabilities include the following services: preconstruction planning and estimating; Arctic construction and remote site logistics; and design/build and fixed-price construction. These services encompass both civil and building construction with a focus on providing employment opportunities throughout the communities of Alaska.
Job Summary:
Project Engineer Intern will be responsible for assisting the Project Engineer and/or Project Manager with the overall direction, coordination, implementation, execution, control, and completion of specific projects ensuring consistency with company strategy, commitments, and goals.
Cybersecurity Analyst
Bowhead is seeking a skilled full-time Cybersecurity Analyst to join our team in Dahlgren, VA. The ideal candidate will have a strong background in computer networking concepts and protocols, as well as network security methodologies. The Cybersecurity Analyst will be responsible for identifying and mitigating vulnerabilities in security systems, conducting vulnerability scans, and applying system, network, and operating system hardening techniques.
Cybersecurity Analyst (RDTE)
Bowhead is seeking a skilled full-time Cybersecurity Analyst to join our team in Dahlgren, VA. The ideal candidate will have a strong background in computer networking concepts and protocols, as well as network security methodologies. The Cybersecurity Analyst will be responsible for identifying and mitigating vulnerabilities in security systems, conducting vulnerability scans, and applying system, network, and operating system hardening techniques.
Construction Quality Control personnel examine buildings, road ways, parking lots, asphalt, concrete, fuel piping, fuel tanks, excavations, electrical systems.
They ensure that their construction, complies with building codes and ordinances, and contract specifications. To monitor compliance with regulations, inspectors make an initial inspection during the first phase of construction and follow up with further inspections throughout the construction project.
Although inspections are primarily visual, inspectors may use tape measures, survey instruments, metering devices, and equipment such as concrete strength measurers. They keep a log of their work, take photographs, and file reports. Quality Control personnel also use laptops or other portable electronic devices onsite to facilitate the accuracy of their written reports, as well as e-mail and fax machines to send out the results. If necessary, they act on their findings. For example, government and construction inspectors notify the construction contractor, superintendent, or supervisor when they discover a violation of a code or ordinance or something that does not comply with the contract specifications or approved plans.
Personnel also use laptops or other portable electronic devices onsite to facilitate the accuracy of their written reports, as well as e-mail and fax machines to send out the results. If necessary, they act on their findings. For example, government and construction inspectors notify the construction contractor, superintendent, or supervisor when they discover a violation of a code or ordinance or something that does not comply with the contract specifications or approved plans.
Must be eligible for access to government military bases.
No relocation or travel expense paid.
• Currently an Iowa Licensed UST Installed
• Read and interpret engineering, architectural, other construction drawings, and specifications.
• Basic scheduling
• Reporting including, daily reports, inspection reports and submittal preparation & review
• Implementation of corporate safety program and applicable safety regulations
• Interpretation of building codes and standards
• Implement and complete quality and inspection procedures.
• Application of basic mathematics
• Promote Rockford’s reputation as a respected member of the community.
• Participate effectively in representing Rockford at functions outside the corporation.
• Maintain strong relationships with client, subcontractor, architect and design consultants.
• Communicate Rockford’s values, including integrity, honesty and high standards of quality.
• Set a positive example by modeling Rockford’s core values
• Sustain the corporate image at all times by demonstrating ethical conduct, personal neatness, professional presentation, and cultural awareness.
FIELD ENGINEER (PEO C3T)
Bowhead is looking for a Field Engineer to act as company engineering representative at critical or highly sensitive base or remote locations, including customer or supplier facilities.
FIELD ENGINEER (PEO C3T)
Bowhead is looking for a Field Engineer to act as company engineering representative at critical or highly sensitive base or remote locations, including customer or supplier facilities.
ENTERPRISE ARCHITECT(EAS):
Bowhead is seeking an experienced Enterprise Architect to join our team at Robbins AFB. The position supports the US Air Force and candidates with Department of Defense Architecture Framework (DoDAF) and US Air Force Business Enterprise Systems experience are highly encouraged to apply.
Bowhead seeks a System Training Plan Developer with experience developing System Training Plans (STRAPs) to support the Army Space and Missile Defense force modernization proponents in its responsibilities for capabilities development and requirement determination as the proponent for Space, High Altitude, and Missile Defense.
STRAPs are an integral part of capability requirements documents (CBAs, ICDs, CDDs) to ensure that required training capabilities are developed in conjunction with the development and fielding of new capabilities. The ideal candidate will have experience developing STRAPs and familiarity with the development of capability requirements documents and the JCIDS process.
Bowhead Logistics Management, LLC seeks a Electronics Technician Maintenace I for the Letterkenny Army Depot, Chambersburg, PA location.
OFFICE ASSISTANT (BAM)
Bowhead seeks an Office Assistant to join our team in Plano, TX. The manufacturing facility is the office of our Manufacturing & Products group and this person will be responsible for all office duties to keep that group running smoothly and effectively. The Office Assistant will join a team of individuals in the facility and must be a go-getter with a can-do, proactive and customer-service oriented attitude.
Bowhead seeks a Computer Systems Analyst with strong Linux skills to support the NIWC ISSS Cooperative Engagement Capability contract located in Charleston, SC.
STOCK CLERK (USATC 2024-20382):
Bowhead is seeking a Stock Clerk to join our team in Fort Jackson, SC. The Stock Clerk will perform a variety of tasks in assisting in the Central Issue Facility of the Logistics Readiness Center (LRC). The Stock Clerks receive, store, and issue equipment, materials, supplies, merchandise, or tools, and compile stock records of items in stockroom or warehouse.
ACQUISITION ANALYST/CONTRACT ANALYST(SIOP-2024-20367):
Bowhead seeks Acquisition Analyst/Contract Analyst to join our team in providing program management support in a broad range of services to and assisting our US Navy clients.
ENGINEERING TECHNICIAN (2024-):
Bowhead seeks a Engineering Technician to join our team in supporting the Naval Surface Warfare Center (NSWC) Crane Division. The engineering technician performs non-routine and complex assignments involving responsibility for the planning, conducting and completion of projects.
SYSTEMS ENGINEER (NETWORK) (RDTE)
Bowhead is seeking a Systems Engineer to join our growing team in Dahlgren, VA. The System Engineer will provide Operation & Maintenance (O&M) support to Windows (2012 or later) servers used at NSWC Dahlgren Division for corporate solutions and Research, Development, Testing, and Evaluation (RDT&E) organizational needs. This environment includes support for Windows Active Directory. O&M support includes patch management, information assurance/security, Storage Area Network (SAN) management, and data backup solutions for the Research Development Testing and Evaluation (RDT&E) network.
SENIOR SERVICENOW DEVELOPER (RDTE)
Bowhead is seeking an experienced Senior ServiceNow Developer to join our team in Dahlgren, VA. The ideal candidate will have experience with scripting in ServiceNow and hold the Certified Application Developer (CAD) certificate from ServiceNow. The candidate should also have a proven track record of creating, maintaining and enhancing Incident Management, Problem Management, Service Request Management, Service Catalog, Knowledge Management, Self-Service Portals, single sign on (SSO) capability, and Active Directory Profile synchronization.
SR. APPLICATION DEVELOPER (NHTSA):
Bowhead is seeking for a Sr. Application Developer to support the Department of Transportation (DOT) National Highway Traffic Safety Administration (NHTSA) contract located in the D.C. metropolitan area. The Sr. Application Developer shall support the daily activity of adding and updating documents, presentations and web pages following and developing procedures, adhering to government policy, and assisting NHTSA interdepartmental efforts toward maintaining the NHTSA website(s). The Sr. Application Developer will develop web-based applications and integrate applications into existing database systems.
GENERAL CLERK III (ICE-MA-2024-20375):
Bowhead seeks a temporary General Clerk III to provide Document Management Support Services to the Office of Principal Legal Advisor (OPLA). OPLA requires case management support and administrative services for the execution of their broad and diverse mission of providing a full range of legal counsel and services to all ICE offices and programs. OPLAs responsibilities include representing the Department of Homeland Security (DHS) in proceedings before the Immigration Courts, representing DHS in appellate proceedings before the Board of Immigration Appeals, and providing support and direction to the Department of Justice, Office of Immigration Litigation as well as to the U.S. Attorneys Offices nationwide. The Chief Counsels office handles confidential and high-level documentation.
This position is full time, benefits eligible at an hourly rate of $20.99 plus H&W (Health and Welfare) rate per local wage determination. The location is Hartford CT.
FIRE DIRECTION/NAVAL FIRE C2 SME (PMLRF):
Bowhead is seeking a Fire Direction/Naval Fire C2 SME with extensive experience in Marine Corps and Joint Fires doctrine and Fires Systems to support the PM Long Range Fires contract located in Aberdeen, MD. The USMC LNO to the US Army FSC2 is the eyes and ears to the Marine Corps Systems Command Fire Direction and Naval Fires Command and Control Program Office.
Company Overview
Ukpeaġvik Iñupiat Corporation (UIC) is the village corporation of Barrow, Alaska and is recognized as one of Alaska's top 10 companies with approximately 4,000 employees nationwide and revenues above $700M annually. UIC is projected to grow substantially in the coming years to become a top 3 company in Alaska by 2030.
As a proud Alaska Native Corporation, our success brings growth and benefits to our Inupiat shareholders. The size and diversity of our operations means we have a broad variety of career opportunities. We recruit only qualified people looking to join a workforce characterized by strong leadership, competent and hard-working staff, and a superior work environment with a focus on career development, great wages and benefits.
This position is responsible for expediting and facilitating the flow of materials to and from various suppliers for projects. He/she also makes sure that the right materials arrive in a timely manner inspects goods upon pickup and delivery to ensure the level of quality and quantity and to ensure adherence to specifications. This position will work directly with managers and vendors to ensure accurate and on time delivery of goods to appropriate locations and frequently use filings and computer systems to maintain organization.
Bowhead seeks a new team member in their support to the Navy's Weapons Systems Munitions Integration and Hypersonics division.
The program analyst will focus on requirements, risk, and configuration management support for the government product director for the Precision Fires program.
Company Overview
Ukpeaġvik Iñupiat Corporation (UIC) is the village corporation of Barrow, Alaska and is recognized as one of Alaska's top 10 companies with approximately 4,000 employees nationwide and revenues above $700M annually. UIC is projected to grow substantially in the coming years to become a top 3 company in Alaska by 2030.
As a proud Alaska Native Corporation, our success brings growth and benefits to our Inupiat shareholders. The size and diversity of our operations means we have a broad variety of career opportunities. We recruit only qualified people looking to join a workforce characterized by strong leadership, competent and hard-working staff, and a superior work environment with a focus on career development, great wages and benefits.
UMIAQ Environmental, LLC (UMIAQ Environmental) is an independent Small Business Administration (SBA) Certified 8(a) Small Disadvantaged Business, subsidiary company of the Ukpeaġvik Iñupiat Corporation (UIC) family of companies. UMIAQ Environmental provides a comprehensive suite of environmental consulting services, which include documentation of National Environmental Policy Act (NEPA) compliance, construction and access permitting, environmental site assessments, stakeholder engagement, sampling and remediation of contaminated sites, management of hazardous waste, wetlands monitoring, and more. Our staff has decades of combined experience working in locations throughout Alaska.
UMIAQ Environmental is committed to protecting the health and safety of our employees and the environments where we conduct operations. We recruit qualified people looking to join a workforce characterized by strong leadership, competent and hard-working staff, and a superior work environment with a focus on career development, great wages and benefits.
This is a full-time position located in Anchorage, Alaska. UMIAQ Environmental’s main office is in Anchorage, from which our talented professional, technical, and seasonal staff lead projects throughout the State.
The Environmental Specialist’s goal is to support development of NEPA documents including Environmental Assessments, assist in research, develop permit packages, and support projects within UMIAQ Environmental. Essential to this role is a love of writing and strong communication skills.
ENTERPRISE ARCHITECT/BUSINESS ANALYST (EAS):
Bowhead is seeking an experienced Enterprise Architect/Business Analyst to join our team located at Wright-Patterson AFB, OH. The position supports the US Air Force and candidates with Department of Defense Architecture Framework (DoDAF) and military business process experience are highly encouraged to apply.
COMPANY OVERVIEW
The Ukpeaġvik Inupiat Corporation (UIC) provides oversight to fifty-four subsidiary companies. We recruit only qualified people looking to join a company with strong leadership, competent and hard-working staff, and a superior work environment, with a focus on career development, great wages and benefits. UIC is recognized as one of Alaska’s leading companies with over 4,000 employees nationwide. As a proud Alaska Native Corporation, our success brings growth and benefits to our Iñupiat shareholders. The size and diversity of our operations means we have a broad variety of career opportunities.
JOB SUMMARY
The Assistant Controller assists the Controller in recording various transactions to prepares the Consolidated Financials for all the companies. The Assistant Controller performs account reconciliations and prepares adjusting journal entries. Additionally, the Assistant Controller assists the Controller with the Company's many audits – Financial, Workers’ Comp, General Liability, and Health & Welfare. The Assistant Controller is responsible for making recommendations to the Controller regarding practices and procedures. Also responsible for ensuring deadlines are met in a timely fashion.
APPLIANCE MECHANIC (2024-20364)
Bowhead seeks a Appliance Mechanic to support the Logistics Readiness Center (LRC) at Fort Jackson, SC. Successful candidate(s) must possess knowledge, experience and understanding of US Army logistics, plus the knowledge and experience required to hold the position as outlined below.
***The Appliance Mechanic's pay will be $23.80 per hour with an additional $4.57 per hour H&W (Health and Welfare) fringe benefit***
FIELD ENGINEER (PEO C3T)
Bowhead is looking for a Field Engineer to act as company engineering representative at critical or highly sensitive base or remote locations, including customer or supplier facilities.
SENIOR RF ENGINEER (DETO-2024-20361):
Bowhead is seeking a Senior RF Engineer to support the High Power Microwave (HPM) Effects, Modeling and Simulation (M&S), and Cybersecurity Branch. The HPM Effects, M&S, and Cybersecurity Branch (E53) is the lead organization dedicated to HPM lethality, effects, and modeling and simulation.
DATABASE ANALYST PROGRAMMER (ERDC):
Bowhead seeks a Database Analyst Programmer to support the Engineering Research and Development Center (ERDC) contract located in Vicksburg, MS. The Database Analyst Programmer will support a data warehouse environment which includes data design, database architecture, metadata and repository creation.
Bowhead seeks a Program Manager to support the United States Army Security Assistance Command (USASAC) Foreign Military Sales (FMS) Enterprise on an upcoming effort in Huntsville, AL. Incumbent employees are encouraged to respond.
AZURE CLOUD DATABASE ADMINISTRATOR (DQM):
Bowhead seeks an Azure Cloud Database Administrator to join our team in Mobile, AL to support the Geospatial Information Systems (GIS) section within the US Army Corps of Engineers (USACE), Mobile District, Spatial Data Branch. The position will perform a wide range of database administration functions related to SQL databases, Databricks, and Data Lakes, along with advanced data related scripting.
INSTALLER - JOURNEYMAN (RDTE)
Bowhead is seeking an Installer - Journeyman to join our team in Dahlgren, VA. the Installer will provide physical telecommunications installation support for the Corporate Network Design, Engineering and Installation (DE&I) group. The Installer will perform installation, termination, labeling and testing of optical fiber and twisted pair cables for voice, video and data through cable trays and conduits at both ends (patch panels and blocks).
Process Analyst Specialist (MCESS):
Bowhead is seeking a Process Analyst Specialist to support our NIWC Marine Corps Electronic Security Systems contract located in Charleston, SC.
General Maintenance Worker (SWFLANT-2024-20347)
Bowhead seeks an energetic person to join our family in support our Senior Boat Engineers, applicant will be providing assistance while conducting preventative maintenance, corrective maintenance and shipyard support repairs to the Marine Vessels assigned to this contract. Applicant needs to have a basic mechanical aptitude, be willing to learn complex mechanical, electrical and electronic systems.
UMIAQ Environmental, LLC is headquartered in Anchorage, Alaska and supports its parent company, Ukpeaġvik Iñupiat Corporation’s (UIC), mission is to provide social and economic resources to its Iñupiat shareholders and their descendants through the development of long-term, meaningful career opportunities. UMIAQ Environmental identifies potentially impacted resources, communities, organizations, and individuals to help define project issues and constraints associated with future development projects and their potential impacts to natural, environmental, and human resources.
UMIAQ Environmental, LLC is committed to protecting the health and safety of our employees and the environments in which we conduct business. We recruit qualified people looking to join a workforce characterized by strong leadership, competent and hard-working staff, and a superior work environment with a focus on career development, great wages and benefits.
This dynamic company supports the other UIC Subsidiaries as well as maintains its own project work. This position is expected to interface heavily with our clients and develop new opportunities. The Associate Scientist is expected to provide project management as well as project support for other staff. Our projects range from the oil and gas sector to infrastructure development to planning.
Company Overview
Ukpeaġvik Iñupiat Corporation (UIC) is the village corporation of Barrow, Alaska and is recognized as one of Alaska's top 10 companies with approximately 4,000 employees nationwide and revenues above $700M annually. UIC is projected to grow substantially in the coming years to become a top 3 company in Alaska by 2030.
As a proud Alaska Native Corporation, our success brings growth and benefits to our Inupiat shareholders. The size and diversity of our operations means we have a broad variety of career opportunities. We recruit only qualified people looking to join a workforce characterized by strong leadership, competent and hard-working staff, and a superior work environment with a focus on career development, great wages and benefits.
Construct, erect, install, or repair structures and fixtures made of wood, such as concrete forms; building frameworks, including partitions, joists, studding, and rafters; and wood stairways, window and door frames, and hardwood floors. May also install cabinets, siding, drywall and batt or roll insulation. Includes brattice builders who build doors or brattices (ventilation walls or partitions) in underground passageways.