Information Security Systems Engineer Senior

Amentum is seeking a Information Security Systems Engineer Senior for the Space Force Range Contract (SFRC).

Job Summary

SFRC is seeking a highly analytical and experienced Information Security Systems Engineer Senior (ISSE) to support the Launch and Test Range Systems (LTRS) in support of the U.S. Space Force. This is a senior engineering role for a technical and cybersecurity expert who will drive innovation to cybersecurity for the Spaceport of the Future.

This role requires a unique blend of strategic vision and hands-on expertise to navigate the complexities of legacy system virtualization, DoD cybersecurity compliance, and process automation.

The successful candidate will be the primary driver for implementing innovation, and integrating security controls into LTRS systems, adhering to Risk Management Framework (RMF) standards.

Key Responsibilities:

• Cybersecurity & RMF Leadership: Serve as a Lead and as a Subject Matter Expert (SME) of a team of ISSE’s for cybersecurity and compliance activities. Develop and manage the full Risk Management Framework (RMF) packages to achieve ATO accreditation for current and future enclaves.
• ATO Artifact & Policy Development: Develop, modify, and review all required security artifacts and documentation (CDRLs) for ATO packages, including system security plans, contingency plans, and STIG checklists. Translate complex DoD/DOW and NIST policies into actionable system-level requirements.
• Vulnerability Management & Security Hardening: Independently perform vulnerability assessments using tools like Nessus and SCAP. Analyze results, lead mitigation efforts, develop Plans of Action & Milestones (POA&Ms), and apply STIGs to harden both virtualized and physical systems.
• Automation & Process Improvement: Leverage scripting languages (Python, Bash, PowerShell) to automate security checks, data normalization, log analysis, and compliance reporting, improving efficiency and accuracy.
• Digital Transformation & Modernization: Drive innovation and automation efforts. Research and recommend new technologies and processes to continuously improve the LTRS cybersecurity capabilities.
• Stakeholder Engagement: Organize, develop, and present briefings, technical reports, and risk analyses to SFRC leadership, government customers, and engineering teams.

Required Skills & Experience:

• Bachelor's Degree in Computer Science, Cybersecurity, Information Technology, or a related field.
• Eight (8) or more years in information technology and cybersecurity, with a focus on federal government or DoD environments.

• Expert knowledge of the Risk Management Framework (RMF), including the full ATO lifecycle, from initial assessment to continuous monitoring.
• Proven experience developing and managing security artifacts, such as SSPs, POA&Ms, and other CDRL items, preferably within eMASS.
• Demonstrated technical expertise with virtualization technologies, specifically VMware, and experience designing and managing virtual environments.
• Demonstrated ability to assess and harden systems, including legacy Windows/Linux systems and network hardware (Cisco, Juniper), using tools like Nessus, SCAP, and STIGs.
• Proficiency in scripting and automation using languages like Python, Bash, or PowerShell to automate compliance and security tasks.
• Strong understanding of DoD Cybersecurity Policies and Procedures and experience transitioning systems from DIACAP to RMF is highly desirable.
• Self-motivated, strategic thinker capable of leading complex technical projects with minimal direct supervision.
• Exceptional interpersonal, communication, and presentation skills, with the ability to interact effectively with technical teams, leadership, and customers.
• Must be eligible to obtain and maintain a Top-Secret security clearance.

• DoD 8140 foundational and residential qualification withing twelve (12) months of hire start date.
• Ability to travel 20% within Florida
• Ability to push/pull 30 pounds
• Ability to climb up and down stairs
• The flexibility to work occasional non-duty hours or on weekends to support specific project or mission requirements

Compensation Details:

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:

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.