Senior Systems Engineer

The Senior Systems Engineer shall be responsible for designing, implementing, and sustaining networks and systems that support Live, Virtual, and Constructive (LVC) training environments. They shall ensure network and system capabilities meet operational requirements while complying with applicable DoW policies, accreditation standards, and technical guidelines. Responsibilities include: Design and sustain networks at multiple classification levels, up to TS/SCI, to support LVC training environments. Design and implement network capabilities to meet operational training needs, ensuring usability of VMware environments, virtual stacks, simulator integration, and exercise control systems. Translate operational training requirements into technical network and system designs. Assist in the Risk Management Framework (RMF) and ICD-503 accreditation process for newly developed or emerging capabilities. Provide technical guidance and subject matter expertise to support integration, troubleshooting, and optimization of LVC training systems. Prepare and submit technical documentation, design artifacts, and reports as required to the Government. Minimum Requirements and Experience: Minimum of 8–10 years of professional experience in systems and network engineering, preferably supporting DoW or Navy environments. Must have an Active Top Secret/SCI US Government Clearance. Note: US Citizenship is required to obtain Top Secret/SCI Clearance. Desired Experience/Qualifications: Bachelor’s degree preferred. Experience designing, implementing, and sustaining networks at multiple classification levels, up to TS//SCI. Proficiency with VMware environments, virtual stacks, simulator integration, and exercise control systems. Familiarity with RMF/ICD-503 accreditation processes and DoW IT standards. Strong written and verbal communication skills, including preparation of technical reports, design documentation, and briefings for Government stakeholders. Compensation Details: US: $130,000 to $135,000 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: 07/14/2026 - 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. Welcome back! We encourage you to check on the status of your current job applications with us. You can also search for a list of our current job openings and see if there are any new positions that might be a good fit for you. 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