Shipboard Maintenance Technician

General information

Requisition #

R71776

Locations

USA-CA-Port Hueneme

Posting Date

11/03/2026

Security Clearance Required

Interim Secret

Remote Type

Onsite

Time Type

Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Shipboard Maintenance Technician to join our team in Oxnard, CA (Port Hueneme). This is an onsite position.

As a Shipboard Maintenance Technician, you will support the Naval Surface Warfare Center (NSWC) Underway Replenishment (UNREP) Division's maintenance efforts for Military Sealift Command (MSC) platforms. You will be responsible for maintaining and troubleshooting UNREP equipment, providing operational support and maintenance at the UNREP Test Site and aboard U.S. Naval Ships (USNS).

Responsibilities include but are not limited to:

• Assist with UNREP equipment overhaul during maintenance availabilities.
• Collaborate with ship engineers to organize advanced planning efforts and travel to ships to execute maintenance requirements.
• Travel to ship maintenance availability locations to support maintenance and overhaul of UNREP equipment.
• Complete troubleshooting to restore UNREP equipment to operational use.
• Become a subject matter expert in UNREP equipment maintenance and operation through on-the-job learning and training at the UNREP Test Site.
• Maintain detailed records of ship visits and support provided.
• Conduct UNREP Station material condition assessments and perform overhaul mechanical maintenance on Underway Replenishment equipment.
• Use wiring lists, schematics, blueprints, and verbal and written instructions to route, tag, test, and terminate shipboard cables.
• Communicate effectively with ManTech employees and clients, including delivering presentations and reporting findings.
• Support operational activities while adhering to shipyard and NAVSEA installation requirements.
• Ability to travel both within and outside Contiguous United States (CONUS and OCONUS) as required (up to 50%). Trips will often be in duration of 2.5-3 months.

Minimum Qualifications:

• High School Diploma or GED equivalent.
• 3+ years of experience directly supporting UNREP equipment maintenance OR 5+ years of experience in technical maintenance (auto, oilfield equipment, machine work, etc.).

Preferred Qualifications:

• Experience performing assessments of UNREP equipment conditions.
• Experience working aboard a ship and in a shipyard environment.
• Experience using technical manuals and documentation related to shipboard operations.
• Strong problem-solving skills and ability to adapt to changing requirements.
• Proficiency in Microsoft Office Suite (Excel, Word, PowerPoint).
• Ability to work both independently and as part of a team.

Clearance Requirements:

• U.S. Citizenship required and ability to obtain and maintain a Interim Secret security clearance prior to start of employment

Physical Requirements:

• Ability to remain in a stationary position for 50% of the time.
• Must be able to lift and carry up to 50 lbs.
• Ability to climb multiple stairs, planks, or galleyways.
• Capability to crawl and maneuver in confined spaces or bilge areas, if required.
• Operate standard office equipment and communicate effectively with co-workers, management, and customers.
• Must be capable of completing physical labor in an outside environment in international locations. Weather and conditions may vary.

The projected compensation range for this position is $60,100.00-$99,300.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.