Applied Intuition
Information Security System Officer (ISSO)
$125K–$180K
Poway, CA · On-site · Full-time · Posted Oct 16, 2026
- Experience
- Minimum 5 years if qualifying through experience instead of a bachelor’s degree; no separate years specified.
- Education
- Bachelor’s degree in a relevant field, or a minimum of 5 years of qualifying experience.
- Visa sponsorship
- Must be a U.S. citizen; must hold an active DoD security clearance and be eligible for and willing to accept Special Access Program briefings.
About the job
Own the day-to-day security posture and authorization of EpiSci’s classified information systems across its Irvine and Poway facilities.
What you'll do
- Maintain classified systems in an authorized state and build, update, and defend RMF authorization packages.
- Run continuous monitoring, vulnerability remediation, inspections, and incident response for classified systems.
- Configure and harden classified infrastructure and enclaves, and manage user access, media controls, and security training.
What they ask for
- Bachelor’s degree in a relevant field, or at least 5 years of ISSO, ISSE, or cybersecurity policy and engineering experience in a classified environment.
- DoD 8570/8140 IAM Level I/IAT Level 2 (Security+) as a condition of employment.
- Demonstrated RMF and authorization-package proficiency, with working knowledge of ICD-503, JSIG, and the NIST 800 series.
- Hands-on experience with NESSUS and ACAS, DISA STIGs, STIG Viewer, SCAP Compliance Checker, and HBSS or ESS; active DoD clearance (SECRET minimum) and U.S. citizenship.
Nice to have
- Prior SAP experience; TS/SCI with ability to obtain program access.
- Experience with eMASS, Xacta, or equivalent package management; Linux and Windows Server administration.
Pay
$125K – $180K (base salary)
Tools
RMF, JSIG, ICD-503, NIST 800 series, NESSUS, ACAS, DISA STIGs, eMASS
Model-written summary · the original posting is authoritative