Sr. Information Systems Security Officer

Tyto Athene is searching for a Senior Information Systems Security Officer (ISSO) to support the National Space Intelligence Center (NSIC) in a Special Access Program (SAP) environment. The Senior ISSO will serve as the primary cybersecurity lead for SAP systems, supporting system authorization, continuous monitoring, and risk management activities in accordance with ICD 503 and DoD cybersecurity requirements. This role also serves as the team lead for a four-person IT Support Center.

Responsibilities:

• Serve as the primary cybersecurity lead for SAP information systems, ensuring compliance with ICD 503, NIST RMF, and applicable DoD security policies.
• Lead security authorization activities for SAP systems, including preparation and maintenance of SAP ATO packages using program-specific processes (non-eMASS).
• Develop and maintain RMF and SAP security documentation, including SSPs, SARs, and POA&Ms.
• Conduct and support security control assessments, vulnerability scanning, and continuous monitoring activities.
• Coordinate with Authorizing Officials, Program Security Officers, SCAs, system administrators, and engineers to manage risk and maintain system authorization.
• Lead security testing, audits, and compliance reviews to sustain SAP ATOs.
• Provide cybersecurity guidance and security awareness training to system users.
• Oversee day-to-day operations of the IT Support Center and support incident response activities.

Qualifications

Required:

• 10+ years of experience in an ISSO, Information Security Engineer, or similar role in a DoD, IC, or SAP environment, degree substitutions apply
• Demonstrated experience supporting SAP or SCI systems through ATO and reauthorization cycles.
• Strong knowledge of RMF, ICD 503, NIST SP 800-53, and DISA STIGs.
• Experience developing and managing ATO and RMF documentation (SSPs, SARs, POA&Ms).
• Hands-on experience with tools such as ACAS, HBSS, Splunk, Nessus, or SIEM solutions.
• DoD 8570/8140 IAM Level III or IAT Level II/III certification (e.g., CISSP, CISM, Security+).
• U.S. Citizenship required.
• Ability to work onsite in a classified environment.

Desired:

• Experience supporting Air Force, DoD, or Intelligence Community programs.
• Familiarity with SAP security policy and authorization processes.
• Knowledge of Zero Trust Architecture or modern cybersecurity practices.
• Scripting or automation experience (Python, PowerShell).

Clearance:

• Active TS/SCI clearance with SAP eligibility.

About Tyto Athene

Compensation:

• Compensation is unique to each candidate and relative to the skills and experience they bring to the position. The salary range for this position is typically between $125,000-$135,000. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range.

Benefits:

• Highlights of our benefits include Health/Dental/Vision, 401(k) match, Paid Time Off, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and parental leave.

Tyto Athene is a trusted leader in IT services and solutions, delivering mission-focused digital transformation that drives measurable success. Our expertise spans four core technology domains-Network Modernization, Hybrid Cloud, Cybersecurity, and Enterprise IT-empowering our clients with cutting-edge solutions tailored to their evolving needs. With over 50 years of experience, Tyto Athene proudly support Defense, Intelligence, Space, National Security, Civilian, Health, and Public Safety clients across the United States and worldwide.

At Tyto Athene, we believe that success starts with our people. We foster a collaborative, innovative, and mission-driven environment where every team member plays a critical role in shaping the future of technology. Are you ready to join #TeamTyto?

Tyto Athene, LLC is an Equal Opportunity Employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, [sexual orientation, gender identity,] national origin, disability, status as a protected veteran, or any characteristic protected by applicable law.