Amentum is seeking a highly motivated and experienced Junior Naval Systems Security Engineer with a background in Navy surface major weapon, combat, and/or fire control systems to assist our customer with systems, technical, and security engineering methodologies and services.

Junior Naval Systems Security Engineer Responsibilities Include:

• Provide expertise in the development, integration, and management of complex Naval surface weapons and combat defense systems.
• Provide system design and system integration documentation for weapons control systems and surface combat, control, and/or situational awareness systems.
• Design and implement Systems Security Engineering (SSE) measures and techniques that prevent or delay unauthorized access to critical technologies.
• Integrate hardware and software protection into major weapons, combat, and/or fire control systems to deter exploitation.
• Develop Program Protection Plans (PPP) and other security-related documentation.
• Perform requirements derivation, allocation, and management for weapon control systems and external interfaces.
• Coordinate the impacts of proposed system changes with internal and external organizations and system stakeholders.

Minimum Requirements:

• Bachelor of Science (BS) degree from an accredited college or university in an engineering, scientific, or technical discipline.
• Two (2) years of experience in an engineering/science discipline; OR two (2) years of experience in program analysis in one or more of the following areas: major weapon, combat, and/or fire control systems programs; requirements definition; system design parameters; concepts of operation; risk assessment; producibility studies/analyses; performance analyses; test and evaluation; or post-delivery support.
• Must have an active Secret U.S. Government clearance. Note: U.S. citizenship is required to obtain a Secret clearance.

Preferred Qualifications:

• Experience with Systems Security Engineering (SSE) measures and techniques.
• Demonstrated experience working within AEGIS Combat System environments, including familiarity with AEGIS system architecture, integration, testing, operations, or lifecycle support.
• Experience with DoDI 5000.02, DoDI 5000.83, DoDI 5200.39, DoDI 5200.44, and DoDI 5200.47E.

Compensation Details:
US: $90,000 to $115,000

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:
09/02/2026 - 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.