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Pipefitter / Steamfitter

Global; Diego Garcia; Diego Garcia,
Full Time On-site

Summary

Job Description

Amentum, a global leader in advanced engineering, technical, and professional services serving the US government, allies, and critical infrastructure sectors, is seeking a Pipefitter / Steamfitter to support a unique US Navy program on the island of Diego Garcia.

JOB RESPONSIBILITIES

The Pipefitter / Steamfitter is responsible for inspecting, maintaining, repairing, and certifying boilers, unfired pressure vessels (UPVs), and associated systems in accordance with regulatory standards. The role requires expertise in maintaining and repairing components of the Steam Generation Plant, Demineralized Water Plant, and connected distribution and collection systems. Key responsibilities include, but are not limited to:

  • Certifying boilers and unfired pressure vessels (UPVs) in compliance with UFC 3-430-07 or P-606 requirements, as outlined in J-1605000-03 .
  • Performing preventive and corrective maintenance on equipment and components related to the Steam Generation Plant , Demineralized Water Plant , and their associated distribution and collection systems.
  • Inspecting and repairing piping systems, valves, pumps, and other components to ensure safety, reliability, and operational efficiency.
  • Troubleshooting system malfunctions, diagnosing faults, and executing repairs to minimize downtime and maintain plant operations.
  • Replacing worn or damaged components and performing welding to repair or construct piping systems when necessary.
  • Conducting hydrostatic and pressure tests to certify system integrity and compliance with safety and performance standards.
  • Monitoring and maintaining control systems associated with steam and water generation equipment to ensure optimal performance.
  • Following technical directives, plans, and manuals for all repairs, installations, and maintenance tasks in the steam and water generation plants.
  • Documenting maintenance activities, certifications, and operational logs to comply with regulatory and organizational requirements.
  • Maintaining a clean, organized, and safe workspace while adhering to environmental and workplace safety improvements.

MINIMUM REQUIREMENTS

  • Qualification to certify boilers and unfired pressure vessels (UPVs) per the UFC 3-430-07 or P-606 certifications as required.
  • Proven experience with steam systems , water generation systems , and complex piping infrastructure.
  • Demonstrated ability to perform maintenance and repairs on components for Steam Generation Plants , Demineralized Water Plants , and associated systems.
  • Knowledge of pipefitting and steamfitting principles, including welding, cutting, bending, and pressure testing.
  • Understanding of safety standards for high-pressure systems and compliance with industry best practices.
  • High school diploma or equivalent.
  • Must be in possession of a valid passport and able to travel internationally.
  • Passport must be valid for a minimum of one (1) year at the time of hire.
  • Ability to successfully pass contract medical requirements and maintain physical readiness for the duration of deployment.

PREFERRED QUALIFICATIONS

  • Completed formal apprenticeship or technical training in pipefitting, steamfitting, or related fields.
  • Experience supporting military steam systems or performing maintenance in utility or industrial plant environments.
  • Advanced certifications in welding or experience with pressurized and high-temperature piping systems.
  • Familiarity with Navy or government specifications for steam and water system operations.
  • Prior experience in an OCONUS (Outside the Continental United States) or remote environment is preferred.

OTHER RESPONSIBILITIES

  • Safety : Amentum enforces a safety culture where employees are responsible for continuously enhancing a safe work environment. Employees must complete all relevant training and comply with safety protocols while performing system installations and maintenance.
  • Quality : Employees are expected to adhere to organizational quality expectations and implement procedures aligning with Amentum’s Quality Management System and regulatory compliance standards.
  • Procedure Compliance : All employees must follow and understand safety, operational, and regulatory requirements outlined in applicable maintenance and operational procedures.

About Amentum

Amentum

Amentum is one of the largest government services and engineering companies supporting the U.S. military, intelligence community, and federal agencies. Headquartered in Virginia with more than 50,000 employees worldwide, Amentum delivers mission-critical support across defense, cybersecurity, engineering, logistics, intelligence, aviation, nuclear, and space operations. The company plays a major role in helping government agencies solve complex national security and infrastructure challenges.

For job seekers, Amentum offers a wide variety of career opportunities across engineering, cybersecurity, intelligence, logistics, IT, aviation maintenance, program management, and cleared government support roles. The company is especially attractive to veterans, transitioning military personnel, and security-cleared professionals looking to continue supporting national security missions while building long-term career stability. Amentum also has a strong reputation for career mobility, education support, and mission-focused work across hundreds of federal programs.

Unlike many companies focused on a single niche, Amentum supports a broad range of high-impact missions—from military readiness and intelligence operations to NASA programs, cyber modernization, and critical infrastructure support. Employees often work on programs that directly support the Department of Defense, intelligence agencies, and federal civilian missions, creating opportunities to build diverse experience while contributing to meaningful national security outcomes.

As government investment continues to grow in cyber, space, engineering, and mission modernization, Amentum remains one of the strongest employers in the government contracting sector. For professionals seeking a stable, mission-driven career with opportunities for advancement, technical growth, and meaningful impact, Amentum continues to stand out as a top employer in defense and federal services.

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