greenhouse
Senior Information System Security Officer (ISSO)
C3EL
USA
Full-time
Senior Level
Onsite
Discovered 1 weeks ago
Free
Job Fit Check
Base Career helps you apply smarter for this job.
?%
Ready to ScanRole Overview
Job Title: Senior Information System Security Officer (ISSO)
Security Clearance: Ability to Obtain Tier 4 High-Risk Public Trust
Full Job Posting
Overview
Job Title: Senior Information System Security Officer (ISSO)
Security Clearance: Ability to Obtain Tier 4 High-Risk Public Trust
Location : Washington, D.C.
(Due to the nature of the work and contract requirements, U.S.
Citizenship is required. )
Description
C3EL is seeking a Senior Information System Security Officer (ISSO) to provide on-site cybersecurity and Risk Management Framework (RMF) sustainment support in Washington, D.C., for a new contract.
This role will serve as Operational Specialist for Splunk, ServiceNow, ConMon, vulnerability management, POA&M, and incident and change coordination, as well as being workstream lead and secondary backup for Lead ISSO duties.
Responsibilities
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 actions, and post-incident updates.
- Support CAB/CCB/ERB reviews, security impact analysis, artifact updates, and post-change verification.
- Track audit, penetration-test, and assessment findings through corrective action and evidence-supported closure.
Apply for this job in 1 click
Skip the repetitive application forms
Install the Base Career Chrome Extension and autofill job applications across major job boards with your profile.
Trusted by over 500,000 job seekers on Base Career
More from this employer
More jobs at C3EL
Senior Data / Inventory Specialist
Scott Air Force Base, USA
Senior
CONTINGENT UPON CONTRACT AWARD Overview: Position Title: Senior Data / Inventory Specialist Security Clearance: Ability to obtain and maintain required CAC/NIPRNet access and satisfy applicable Government suitability req
Discovered TodayView →
Program Manager
Scott Air Force Base, USA
Manager
CONTINGENT UPON CONTRACT AWARD Overview: Position Title: Program Manager Security Clearance: Ability to obtain and maintain required CAC/NIPRNet access and satisfy applicable Government suitability requirements. ( Secret
Discovered TodayView →
Senior Network / Telecommunications Engineer
Scott Air Force Base, USA
Senior
CONTINGENT UPON CONTRACT AWARD Overview: Position Title: Senior Network / Telecommunications Engineer Security Clearance: Ability to obtain and maintain required CAC/NIPRNet access and satisfy applicable Government suita
Discovered TodayView →
Project Manager / Deputy Program Manager
Scott Air Force Base, USA
Manager
CONTINGENT UPON CONTRACT AWARD Overview: Position Title: Project Manager / Deputy Program Manager Security Clearance: Ability to obtain and maintain required CAC/NIPRNet access and satisfy applicable Government suitabili
Discovered TodayView →
Cross-Functional IT Support Specialist
Scott Air Force Base, USA
Mid
CONTINGENT UPON CONTRACT AWARD Overview: Job Title: Cross-Functional IT Support Specialist Security Clearance: Secret (or higher) Location: Scott AFB, IL (Due to the nature of the work and contract requirements, U.S. Cit
Discovered YesterdayView →
AV/VTC & Telecommunications Support Specialist
Scott Air Force Base, USA
Mid
CONTINGENT UPON CONTRACT AWARD Overview: Job Title: AV/VTC & Telecommunications Support Specialist Security Clearance: Secret (or higher) Location: Scott AFB, IL (Due to the nature of the work and contract requirements,
Discovered YesterdayView →
End User Support / Systems Administrator
Scott Air Force Base, USA
Mid
CONTINGENT UPON CONTRACT AWARD Overview: Job Title: End User Support / Systems Administrator Security Clearance: Secret (or higher) Location: Scott AFB, IL (Due to the nature of the work and contract requirements, U.S. C
Discovered YesterdayView →
Application Support Specialist / Systems Administrator
Scott Air Force Base, USA
Mid
CONTINGENT UPON CONTRACT AWARD Overview: Job Title: Application Support Specialist / Systems Administrator Security Clearance: Secret (or higher) Location: Scott AFB, IL (Due to the nature of the work and contract requir
Discovered YesterdayView →
Senior Data / Inventory Specialist
Scott Air Force Base, USA
Discovered Today
Program Manager
Scott Air Force Base, USA
Discovered Today
Senior Network / Telecommunications Engineer
Scott Air Force Base, USA
Discovered Today
Project Manager / Deputy Program Manager
Scott Air Force Base, USA
Discovered Today
Cross-Functional IT Support Specialist
Scott Air Force Base, USA
Discovered Yesterday
AV/VTC & Telecommunications Support Specialist
Scott Air Force Base, USA
Discovered Yesterday
End User Support / Systems Administrator
Scott Air Force Base, USA
Discovered Yesterday
Application Support Specialist / Systems Administrator
Scott Air Force Base, USA
Discovered Yesterday