Fuel Dist Systems Mech Tech-B

Amentum Holdings, Inc.; California; On-site; USD 61,000 - 86,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

Retirement benefits

Educational reimbursement

Parental leave

Employee stock purchase plan

Job summary

Amentum in the United States is seeking a FDSM B technician to operate, maintain, and repair hazardous propellant, cryogenic, and high‑pressure gas systems within Life Support, Cryogenics, or HSF facilities. You will work under supervision to resolve complex issues and ensure safe, compliant performance.

This union role offers an hourly pay rate of $53.39 and requires a high school diploma with two years related experience, possible security clearance, and CDL preferred; benefits include health,

Qualifications

• High school education or equivalent with two years experience in the same or closely related work.
• A minimum of one year experience must be in the same type work.
• If required, must be able to obtain and maintain a security clearance.
• Possession of a Class A CDL, or ability to train and obtain a Class A CDL.

Responsibilities

• Implements operation, maintenance and repair of hazardous propellants, cryogenic and high pressure gas storage and distribution systems.
• Performs life support operations, post-operations inspection and testing, and routine maintenance.
• Inspects and repairs SCBA life support equipment and related units from various manufacturers.
• Conducts installation and testing of low/high pressure distribution systems and pressure control panels.
• Transfers, stores and transports hazardous commodities and changes trailer service as needed.
• Participates in extensive safety training and adheres to safety procedures for hazardous environments.
• Operates tractor-trailer configurations, general purpose vehicles, and forklift equipment as required.

Job description

OCCUPATIONAL SUMMARY:

The FDSM B working in the Life Support (PEMO), Cryogenics, or Hypergolic Storage Facility (HSF) applies comprehensive technical knowledge to perform complicated tasks and resolve problems associated with systems and equipment required to transfer, transport and store hazardous propellants, cryogenic fluids and high pressure gases. Maintains, fabricates, repairs and operates most of these systems in a safe and efficient manner. Works under the general guidance of a higher graded technician, providing safe and efficient service in accordance with the demands on the system. Resolves problems and implement directives of greater complexity than solely manufacturers’ specifications, or other documents. Provides technical guidance to lower level technicians. This is a union position with the Teamsters and the hourly pay rate is $53.39.

TYPICAL DUTIES:

• Implements the operation, maintenance and repair of multiple hazardous propellants, cryogenic and high pressure gas storage and distribution systems. May include associated delivery and support systems, such as life support equipment, vacuum pumps, compression pumps, rolling stock, etc. Conducts the movement and storage of these commodities using both direct and remote communications media.
• Performs actual, and/or valet service for, life support operations, post-operations inspection and testing, and annual maintenance and repairs. Life support operations involve the donning and doffing of Self Contained Breathing Apparatus (SCBA) and Self Contained Atmospheric Protective Ensembles (SCAPE) during the handling of highly toxic, hazardous gases and propellants.
• Performs inspection, troubleshooting, maintenance and repair on various types of Self-Contained Breathing Apparatus (SCBA) life support equipment, such as, Environmental Control Units (ECU), Emergency Breathing Apparatus (EBA), Emergency Life Support Apparatus (ELSA), fifteen minute Hooded Demand Valve (HDV) units, Ingress/Egress units, and SCBA units from various manufacturers.
• Conducts the inspection, testing, repair and replacement of high pressure gas bottles, tanks, pipelines, valves, regulators and ancillary equipment for malfunctions, leaks and deterioration indicators. Applies specialized experience to identify and mitigate potentially hazardous situations.
• Conducts work from drawings, sketches and written directions on how to install low and high pressure distribution systems. Conducts fabrication and installation of gage and pressure control panels.
• Conducts acceptance testing of hydrostatic, pneumatic, thermal, and electrical equipment and systems.
• Conducts disassembly, problem diagnosis and repair of hazardous propellant, cryogenic and high pressure system components, equipment and facilities required to maintain operational status. Conducts fabrication and installation of gage and pressure control panels.
• Conducts the transfer (loading and unloading to and from tanks, pipelines, etc.), storage and transportation of hazardous propellant commodities, cryogenic fluids and high pressure gases to customers/users. Conducts blow-down and pressure cycle operations required to change trailer service from one high pressure gas medium to another.
• Participates in extensive operations and safety training and strictly adheres to all safety procedures for working in hazardous areas with hazardous materials and equipment.
• Operates tractor-trailer configurations, general purpose vehicles, and forklift equipment as required.
• Assists in producing maintenance and operational records of the activities in each assigned functional area.
• Performs other related duties as assigned or required by management.

MINIMUM REQUIREMENTS:

High school education, or equivalent, with two years experience in the same or closely related work. A minimum of one year experience must be in the same type work.

If required, must be able to obtain and maintain a security clearance as required by the Department of Defense.

PREFERRED QUALIFICATIONS:

Possession of a Class A CDL, or ability to train and obtain a Class A CDL.

Other Responsibilities:

Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self‑aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.

Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Procedure Compliance - Each employee must read, understand and implement the general and specific operational, safety, quality and environmental requirements of all plans, procedures and policies pertaining to his/her job.

Compensation Details:

$53.39

The compensation range or hourly rate listed for this position is provided as a good‑faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance
• Paid time off and holidays
• Retirement benefits (including 401(k) matching)
• Educational reimbursement
• Parental leave
• Employee stock purchase plan
• Tax-saving options
• Disability and life insurance
• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara‑O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

11/06/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low‑income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.