Systems Administrator​/ISSO

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Tyto Athene is searching for a Systems Administrator/Information System Security Officer to join our CA team.

• Provide system administration of Windows-based computers, networks, and server administration, as well as Linux system and server administration.
• Research, generate, and validate security controls that support the customers’ Risk Management Framework (RMF) and ICD 503 Security Accreditation.
• Define, create, and maintain Systems Security Plans (SSP) to support Accreditation and Authorization (A&A) reviews and coordinate with customer security organizations as part of a delivery pipeline to achieve Authority to Operate (ATO).
• Maintain an inventory of hardware and software for the information system.
• Manage Hyper‑V and virtual machines.
• Interface with customer IT staff.
• Perform cyber‑security baseline management and change reporting as needed.
• Resolve issues and develop strategies to make ongoing improvements that support system performance.
• Document system requirements, write IT security plans, and validate system and network parameters to conform with business and customer requirements.
• Support system evolution to keep up with new technologies and requirements.
• Support system users and provide onsite support.

• 3 or more years of hands‑on Systems Administration experience, including Windows and Linux system and server administration.
• Experience working with government secure networks and NIST RMF processes, audit log reviews, and evidence submission.
• Experience working with and supporting a diverse team of system users.
• ISSO experience and ability to develop solutions to complex IS compliance and security problems.
• Excellent communication skills.
• Onsite support is required.

• Active DoD Top Secret or Top Secret/SCI clearance. Maintain active clearance at the required level.

• CompTIA Security+.

• This position is on‑site in Santa Barbara, California. Relocation assistance is available for the right candidate.

• Compensation is unique to each candidate and relative to the skills and experience they bring. The salary range for this position is typically between $140,000 and $150,000.

• 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 supports Defense, Intelligence, Space, National Security, Civilian, Health, and Public Safety clients across the United States and worldwide.

Tyto Athene believes 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 #Team Tyto?

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.

Mid‑Senior level

Full‑time

Information Technology

IT Services and IT Consulting