Senior Information System Security Officer (ISSO) is open at C3EL in Washington, D.C.. The posting gives no salary; similar roles in the United States advertise a median of $197K. Posted on Sep 2, 2026, and still on C3EL’s careers page when we last checked, on Nov 15, 2026.
About the role
will include, but not be limited to: Provide on-site cybersecurity and RMF sustainment support. Maintain traceability between ServiceNow remediation tickets and CSAM POA&M records. Analyze findings, validate false positives, and prioritize remediation using CVSS, CISA KEV, exposure, exploitability, and mission impact. Support notification, triage, CSAM context retrieval, Splunk verification, SitReps, RCA, corrective…
The opening lines of the posting. The rest is on C3EL’s careers page.
Hiring at C3EL
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