Naval Gun Weapon System (GWS) In-Service Engineer. 

Port Hueneme, CA

About Us:

JSL Technologies, Inc. (JSL) is a certified Small Disadvantaged Business (SDB) and Veteran-Owned government contractor delivering engineering, logistics, and program support services to the Department of Defense (DoD). Our team of more than 200 professionals is dedicated to providing practical, innovative, and cost-effective solutions that support critical missions.

Headquartered in Oxnard, California, JSL supports government customers across the nation. We foster a culture built on integrity, collaboration, and accountability, empowering our employees to perform at a high level and continuously improve the way we serve our customers.

At JSL, our people are the foundation of our success. We offer competitive compensation and a comprehensive benefits package that supports the well-being and professional growth of our team.

Job Description:

JSL Technologies is seeking a Naval GWS In-Service Engineer to provide system-level engineering, test & evaluation (T&E), and fleet technical assistance for Navy Gun Weapon Systems (including MK 34 and MK 48). In this role, you will bridge the gap between land-based laboratory testing and active shipboard operations—ensuring system reliability, resolving hardware obsolescence, and executing design alterations across the weapon system's operational lifecycle. 

Key Responsibilities:

• Test & Evaluation (T&E): Develop test plans and execute hardware/software validation at the Surface Warfare Engineering Facility (SWEF), land-based test sites, and onboard naval vessels. Evaluate combat system metrics and validate Maintenance Requirement Cards (MRCs).
• Fleet Technical Assistance: Serve as a subject matter expert providing remote and shipboard troubleshooting, root-cause failure analysis, and on-site technical assistance to naval crews.
• Engineering Change & Alterations: Review and draft Engineering Change Proposals (ECPs), Ordnance Alterations (OrdAlts), and Ship Alterations (ShipAlts) to improve design performance and resolve fleet issues.
• Obsolescence & DMSMS Mitigation: Conduct market research and engineering assessments to mitigate Diminishing Manufacturing Sources and Material Shortages (DMSMS), identifying replacement components for legacy hardware.
• Technical Documentation: Author and update Installation Control Drawings (ICDs), technical manuals, Preventive Maintenance System (PMS) documentation, and formal test reports.
• Quality & Logistics Support: Inspect vendor deliverables, support hardware production quality reviews, and manage local equipment movement for test events.
• Program Execution: Track project schedules, analyze program risks, assist with budget inputs, and participate in technical data calls and Navy program reviews.

Required Qualifications:

• Work. Must be legally authorized to work in the United States without the need for employer sponsorship now or at any time in the future. 
• Clearance: Ability to obtain and maintain an active U.S. DoD Secret Security Clearance.
• Work Authorization: U.S. Citizenship required (no employer sponsorship).
• Skills: Proficiency in technical writing, MS Office, hardware/software troubleshooting, and reading technical schematics/drawings.
• Travel: Willingness to travel periodically for shipboard technical assistance and off-site testing.

Preferred Qualifications:

• Naval Systems Experience: Prior experience with Navy combat systems, specifically MK 34 or MK 48 Gun Weapon Systems, or ISEA lab environments.
• Documentation & Process: Familiarity with DoD configuration management, ECP/ShipAlt workflows, and DMSMS tracking tools.
• Methodologies: Exposure to Agile/Scrum frameworks in engineering or software environments.

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Required Qualifications:

• Work. Must be legally authorized to work in the United States without the need for employer sponsorship now or at any time in the future. 
• Clearance: Ability to obtain and maintain an active U.S. DoD Secret Security Clearance.
• Work Authorization: U.S. Citizenship required (no employer sponsorship).
• Skills: Proficiency in technical writing, MS Office, hardware/software troubleshooting, and reading technical schematics/drawings.
• Travel: Willingness to travel periodically for shipboard technical assistance and off-site testing.

Preferred Qualifications:

• Naval Systems Experience: Prior experience with Navy combat systems, specifically MK 34 or MK 48 Gun Weapon Systems, or ISEA lab environments.
• Documentation & Process: Familiarity with DoD configuration management, ECP/ShipAlt workflows, and DMSMS tracking tools.
• Methodologies: Exposure to Agile/Scrum frameworks in engineering or software environments.

Security Clearance:

Applicants must have an active security clearance and/or the ability to obtain and maintain a US Government Security Clearance. Selected candidates will be subject to a government security investigation and must meet eligibility requirements to obtain a DoD Government- granted security clearance. Individuals will be subject to a background investigation to include but not limited to, criminal history, employment and education verification, drug testing, and creditworthiness.

EEO:

JSL Technologies, Inc. is an equal opportunity employer. We provide equal employment opportunities to all qualified applicants and employees without discrimination with regard to race, religion, creed, color, sex, sex stereotype, pregnancy, childbirth or related medical conditions, age, sexual orientation, gender, gender identification and expression, transgender status, transitioning employees, physical or mental disability, medical condition, genetic characteristics, genetic information, marital status, registered domestic partner status, status as military, or as a veteran or as a qualified disabled veteran, ancestry, citizenship, national origin.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed must be representative of the knowledge, skills, minimum education, training, licensure, experience, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions. Please contact HR@jsltechinc.com if you need accommodation for the application process.