Submarine Sonar Technician (ARCI / Multi‐Platform)

Amentum; Portsmouth, Northern (NH, KY); Hybrid; USD 34,000 - 69,000; Full time

Benefits offered by this job

Health insurance

401(k) retirement plan

Life insurance

Disability insurance

Paid time off

Job summary

Amentum is seeking a Submarine Sonar Technician (ARCI / Multi-platform) to support ARCI sonar systems aboard U.S. submarines in Portsmouth, NH. This role involves installation, testing, maintenance, validation, and certification tasks to ensure high-reliability performance for Fleet deployments.

Qualified candidates will have an Active Secret clearance and 5+ years of relevant experience. Occasional travel of 10-15% is expected, with on-site duties at Navy submarine facilities.

Qualifications

• Active Secret US Government Clearance required.
• 5+ years of job-related experience or equivalent after Navy C School.
• Excellent communications and analytical skills; working knowledge of computer systems and software.
• Ability to investigate, troubleshoot, and design solutions to problems in hardware and software.
• Ability to travel 10-15%.

Responsibilities

• Install, monitor, validate, and service sonar equipment and ARCI systems aboard U.S. submarines.
• Execute test and evaluation, system check-outs, certifications, and verifications.
• Review Engineering Change Proposals for technical impacts.
• Assist in implementing Engineering Change Instructions.
• Develop PMS documentation, manuals, troubleshooting guides, and test reports.
• Provide subject matter expertise to support systems engineering.

Skills

Secret clearance

Communication skills

Analytical skills

Computer systems

Education

Navy C School

Tools

ARCI systems

SWFTS systems

Job description

Submarine Sonar Technician (ARCI / Multi-platform)

Portsmouth, New Hampshire | Transitioning Military & Veterans Encouraged to Apply

We invest early in highly specialized submarine talent. If you’re a Sonar Technician (ST) with hands‑on ARCI and multi‑platform submarine experience, we want to connect with you.

This position is contingent upon identifying a candidate whose expertise aligns with our strategic needs, at which point a funded role will be formally opened. We are proactively seeking a standout professional interested in continuing meaningful Fleet support work ashore.

You’ll support NAVSEA, DoD personnel, and engineering teams with installation, testing, maintenance, validation, and certification of Submarine ARCI sonar systems. Your platform knowledge and acoustic expertise will help ensure high‑reliability performance and readiness across the Fleet.

Responsibilities

• Install, monitor, validate, and service sonar equipment and ARCI systems aboard U.S. submarines
• Execute test and evaluation, system check‑outs, certifications, and electronic system verifications
• Review Engineering Change Proposals for technical and equipment impacts
• Assist in implementing Engineering Change Instructions
• Develop technical data including PMS documentation, manuals, troubleshooting guides, drawing updates, maintainability improvements, and test reports
• Provide subject matter expertise to support systems engineering efforts
• Train others on system operation, maintenance, and performance considerations
• Plan and coordinate tasks for other engineering technicians and support personnel
• Establish and maintain logs, databases, inventories, and documentation systems to track project status
• Serve as primary on‑site customer interface for equipment installation, testing, surveys, fabrication, and technical tasks
• Ensure compliance with engineering plans, specifications, documentation standards, and test procedures
• Provide technical evaluations on components, installations, and system performance in alignment with engineering requirements
• Support engineers in proposal development and contribute to technical content assessments
• Perform other position‑related duties as assigned

Minimum Qualifications

• Must have an Active Secret US Government Clearance. Note: US Citizenship is required to obtain a Secret Clearance.
• Vocational/technical training beyond high school or Navy C School and five plus (5+) years of job‑related experience or equivalent.
• Excellent communications and analytical skills; working knowledge of computer systems and integrated software application programs.
• Ability to investigate, troubleshoot, and design solutions to problems in operational hardware and software.
• Ability to support 10‑15% travel.

Preferred Qualifications

• Knowledgeable across multiple submarine platforms and SWFTS systems

Benefits

Amentum offers the following benefits for this position, subject to applicable eligibility requirements:

• medical dental and vision insurance
• 401(k) retirement plan
• life insurance
• long‑term and short term disability insurance
• 15 days of paid time off
• 1 hour of paid sick leave for every 30 hours worked
• up to 56 hours of paid sick leave each year
• 12 days of paid holiday leave
• parental leave

Service Contract Act (SCA) Compensation & Benefits

This is an hourly, overtime‑eligible position that falls under the Service Contract Act (SCA). In accordance with the Health and Welfare provisions of the SCA, and in addition to your base hourly rate, you may be eligible to receive an additional health and welfare payment for each hour you work to ensure compliance with the minimums set forth by the act. The amount you are entitled to receive will vary depending upon the fringe benefits you select now and in the future.

Compensation Details

$25.04 - $50.00 Hourly

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

09/09/2026 - 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.