Naval System Security Engineer

Amentum; Dahlgren (VA); On-site; USD 125,000 - 145,000; Full time

Benefits offered by this job

Health, dental, vision insurance

401(k) matching

Educational reimbursement

Parental leave

Stock purchase plan

Disability and life insurance

Job summary

Amentum invites applications for a Naval System Security Engineer to support Navy surface major weapons, combat, and fire control systems. The role emphasizes security engineering within complex defenses and integration across platforms.

Ideal candidates have extended DoD architecture and requirements experience, SE expertise, and an active SECRET clearance. This full-time role is based in Dahlgren, VA with opportunities to influence critical national security programs.

Qualifications

• BS degree in engineering/science/technical discipline or 4 years of relevant experience.
• Six years of DoW major weapon systems engineering experience with architecture and requirements work.
• Two years of concurrent Navy surface/submarine weapons experience.
• Six years of full-time systems engineering with system-level responsibilities.
• Active SECRET U.S. Government Clearance; U.S. Citizenship required.

Responsibilities

• Provide expertise with development, integration, and management of naval surface weapons systems.
• Create system design and integration documents for weapons control and surface combat systems.
• Design and implement security engineering measures to prevent unauthorized access.
• Integrate hardware and software protection into major weapons and fire control systems.
• Develop Program Protection Plans and related security documentation.
• Perform requirements derivation and management for weapon control interfaces.
• Coordinate impacts of proposed changes with internal and external stakeholders.

Skills

Systems engineering

DoDAF architecture

Requirements development

Security engineering

Navy surface weapons

DoW programs

Clearance (SECRET)

Education

BS in engineering/science/technical

Active SECRET clearance

Tools

DoDAF documentation

Job description

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

Naval System Security Engineer Responsibilities Include:

• Providing expertise with the development, integration, and management of complex Naval surface weapons/combat defense systems.
• Providing system design/system integration documents for weapons control systems and surface combat, control and/or situational awareness systems.
• Designing and implementing systems security engineering measures and techniques that prevent or delay unauthorized access to critical technologies.
• Integrating hardware and software protection into major weapons, combat, and/or fire control systems to deter exploitation.
• Developing Program Protection Plans (PPP) and other security related documentation.
• Performing requirements derivation, allocation, and management for a weapon control system and external interfaces.
• Coordinating 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, or four (4) years of a demonstrated knowledge base and subject matter expertise relevant to specific technical disciplines of the SOW, including the qualifications below; or U.S. Naval operational experience at the E-7 level or higher.
• In addition, six (6) years of engineering experience with a Department of War (DoW) major weapon, combat, and/or fire control systems program. Experience in concept definition, Department of Defense Architecture Framework (DoDAF) compliant architecture development, requirements definition, and initial and detailed system design activities. Systems engineering experience focused on requirements development and management of software systems. This includes experience related to the identification, analysis, and documentation of complex systems involving DoW weapon, combat, and/or fire control systems.
• Two (2) years of concurrent experience with U.S. Navy surface or submarine shipboard weapons, combat,and/or fire control systems to include current U.S. Navy programs.
• Six (6) years of full-time professional experience in systems engineering. Two of these years must have been full-time experience at the system level in any of the following areas: requirements definition, system design parameters, concepts operation, risk assessment, producibility studies/analyses, performance analyses, test and evaluation, post-delivery support.
• Must have an Active SECRET U.S. Government Clearance. Note: U.S. Citizenship is required to obtain a SECRET Clearance.

Preferred Experience:

• Systems security engineering (SSE) measures and techniques experience.
• DoDI 5000.02, DoDI 5000.83, DoDI 5200.39, DoDI 5200.44, and DoDI 5200.47E experience

Compensation Details:

125,000-$145,000

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:

• 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:

07/01/2026 - 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.