Information Systems Security Officer (ISSO)

Onyx Government Services,LLC • Scott AFB, IL

2d • Onsite

About The Position

The ISSO / RMF Engineer owns TRDM's ATO lifecycle. Maintains eMASS package, manages POA&Ms, executes IAVM, runs STIG/ACAS scans, and integrates security across the SDLC. Supports cyber incident reporting per PWS §5 (72-hour timeline).

Requirements

• Active SECRET clearance
• US Citizen
• Bachelor's degree
• CISSP
• DoD 8570 IAT-II
• 7+ years cybersecurity / RMF
• 3+ years as ISSO on DoD systems
• Hands-on eMASS experience

Nice To Haves

• CAP
• DoD Zero Trust experience
• FedRAMP experience
• Prior USTRANSCOM or AMC RMF experience

Responsibilities

• Maintain TRDM Authority to Operate (ATO) in eMASS
• Produce evidence/artifacts for all applicable NIST 800-53 controls (95% quality threshold per PWS)
• Execute IAVM program; coordinate with 375th ESS and AMC/A6
• Run STIG/SRG, ACAS, and Fortify scans; remediate findings
• Maintain POA&M; track milestones and risk acceptance
• Lead annual security review (ASR)
• Report cyber incidents within 72 hours
• Support continuous monitoring per FedRAMP and DoD policy

What This Job Offers

• Job Type: Full-time
• Career Level: Senior