Information Systems Security Engineer (ISSE)

Apavo Corporation • Reston, WA

1d

About The Position

Apavo is hiring an Information Systems Security Engineer (ISSE) to build cybersecurity into the delivery of new AI capabilities for an Intelligence Community customer. The role works alongside engineers from the start so that security and authorization keep pace with development. Apavo is a woman-owned cybersecurity company supporting Department of Defense and Intelligence Community missions.

Requirements

• Active TS/SCI clearance.
• At least 8 years of RMF experience as an ISSE, ISSO, or security engineer.
• Hands-on experience building authorization packages.
• A DoD 8570/8140 IAM or IAT baseline certification.

Nice To Haves

• Xacta experience.
• Experience securing cloud-native or containerized systems.
• Current on-site work in an Intelligence Community customer space.

Responsibilities

• Define authorization boundaries and trust relationships, and tailor security controls.
• Map control implementation to evidence and identify inherited controls.
• Support the GRC process using Xacta or a similar tool, prepare POA&M entries, and coordinate security assessments.
• Validate remediation and assemble authorization and IOC decision packages.
• Review container and release security evidence, including SBOMs, vulnerability scans, and STIG findings, with the DevSecOps team.

Benefits

• Medical, dental, and vision insurance starting on the first day; Apavo covers 90% effective January 1, 2027.
• 401(k) with a 3.5% employer match, starting January 1, 2027.
• 20 days of paid time off plus 11 paid federal holidays.
• Up to $3,000 per year in training and certification reimbursement.
• Parking reimbursement.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed