NOSR - SISS2 -Specialist, Information System Security II (ATO/RMF Manager)

Job description

Amentum is looking for a NOSR - SISS2 -Specialist, Information System Security II (ATO/RMF Manager) at SUBLANT in Norfolk, VA. Essential Responsibilities: Serve as NIST Risk Management Framework (RMF) subject matter expert (SME) for COMSUBLANT assessment and authorization (A&A) process. Support Atlantic Fleet submarines by reviewing all applicable documentation relevant to the authorization to operate (ATO) process for accuracy and relevance, providing guidance and feedback as applicable based on current A&A policies. Monitor and track the progression of the A&A process for assigned units and COMSUBLANT special projects, ensuring stakeholders are aware of and able to meet prescribed deadlines. Prepare and review documentation to include System Security Plans (SSP) and other artifacts. Advise and guide ISIC and shipboard IT Divisional Sailors on A&A policies and references for ATO certification and maintenance. Maintain awareness of any change to applicable guidance or practice IAW governing policies and ensure that information is formally provided to boats in clear and concise language. Provide status and feedback of the A&A process for assigned units to Type Commanders as needed, ensuring there is awareness of identified or trending fleet deficiencies and difficulties and include recommendations for improvement. Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information. Maintain records on workstations, servers, routers, firewalls, and other network devices including system updates and upgrades. Propose, coordinate, and implement information systems security policies, standards, and methodologies. Provide support to the Information Systems Security Manager (ISSM) for maintaining the appropriate operational cybersecurity posture for a system, platform, program, or enclave. Resume requirements: SPECIALIZED EXPERIENCE: Three (3) years of full-time hands-on experience in the operation and/or maintenance of Submarine Network Systems and/or major network administration systems on board US Naval Submarines; or an equivalent civilian work experience outside of the military. GENERAL EXPERIENCE: Five (5) years full-time management experience applying knowledge of policies, procedures, and structures to develop, implement, and maintain a secure Information Systems computing environment on US NAVY Ships/Submarine. Active SECRET clearance. Ability to obtain TS/SCI clearance. Note: US Citizenship is required to maintain a secret clearance. Compensation Details: $90,000 - 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: 08/13/2026 - 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 .