TSTC: Provides professional services and cybersecurity to federal agencies.
8+ YOE5+ Mgmt8+ years information security; at least 5 years in lead ISSO role on large USG programs; CISSP/PMP/CGRC preferred; knowledge of FedRAMP and A-123; experience with GRC tools; strong communication and independent work ethic.
ActioNet: Provides IT modernization and cybersecurity services for government agencies.
Secret clearance; experience supporting security and compliance for government systems; RMF/NIST 800-53 knowledge; risk assessments and ATO processes; familiarity with security testing tools.
Senior DevSecOps Information System Security Officer (ISSO)
Columbia, Maryland, United States
$125k-$225k/yrOnsiteFull Time
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
12+ YOE12+ years' experience with a bachelor's in CS/Cybersecurity/ISSO or related field; 10+ years with a master's; active TS/SCI with CI Poly; CISSP or DoD IAM/IAT II/III; AWS Solutions Architect Associate; risk assessment and vulnerability management experience.
Tetra TechNASDAQ: TTEK: Provides global consulting and engineering services for water and environment.
8+ YOE8+ years IT cybersecurity; 4+ years as ISSO/assessor/compliance; Bachelor in IT/CS/Engineering with 5+ years in IT security; certifications: CAP, CGRC, CISSO, CISM, or CISSP; knowledge of NIST RMF; tools: Nessus, AppDetective, Web Inspect, AppScan, Splunk; DHS SECRET clearance potential.
Nessus, AppDetective, Web Inspect, AppScan, Splunk, Archer
Coalfire: Provides professional cybersecurity advisory, assessment, and engineering services.
10+ YOE5+ MgmtProject management and senior ISSO experience; knowledge of NIST 800-37/800-53, FISMA; ability to obtain clearance/Public Trust; bachelor's in IT-related field; 10+ years IT/cybersecurity; 5+ years of management; PMP and certifications are a plus.
The Swift Group: Provides engineering and technology services for the national security community.
10+ YOEISSO with extensive DoD cybersecurity experience; DoD 8570/8140 IAM Level I or higher; bachelor’s in CS or related; TS/SCI with polygraph preferred/required for senior levels.
Security tools, Encryption techniques, Communication protocols, Hardware security, Software security, DoD cybersecurity standards
Red Arch Solutions: Provides IT engineering solutions for the intelligence community.
13+ YOERequires TS/SCI with CI poly, Security+ or equivalent IAT II/III, XACTA, RMF, Splunk; 13+ years in software/systems engineering or related field; full-time in SCIF.
Information System Security Officer (ISSO) Lead - Clearance Required
Ashburn, Virginia, United States
HybridFull Time
Cydecor: Providing technology solutions and mission support to defense agencies.
8+ YOE5+ MgmtBachelor's in CS/engineering/STEM/IT/cybersecurity; 8+ years information security; 5+ years leading ISSO; RMF/NIST 800-series; C&A/ATO; FISMA; multi-tenant cloud; strong communication.
Alpha Omega: Provides IT modernization and cybersecurity solutions for federal agencies.
5+ YOE5+ years in cloud information security; strong RMF/NIST knowledge; cloud security architecture and governance; federal government experience preferred
Tenable.sc, Nessus, BigFix, Arcsight, WebInspect, AWS, Azure, Google Cloud, IBM Cloud
Information System Security Officer (ISSO), Senior (On-Prem & Cloud)
Chantilly, Virginia, United States
$156k-$260k/yrOnsiteFull Time
American Systems: Providing engineering and IT solutions to federal government agencies.
10+ YOESenior ISSO with TS/SCI, polygraph required; 10+ years RMF, cybersecurity, DoD 8570 IAM III; Bachelors in Cybersecurity or related field; ATO management and cloud hardening experience.
ICD 503, NIST SP 800-53, FIPS 199, CISSP, CISM, CCSP
Steampunk: Provides digital transformation and IT consulting for federal agencies.
6+ YOEMaster's or Bachelor's with required years; or no degree with 12+ years; active CISSP/CASP/CISA/CISM/GSLC; strong NIST RMF/FISMA knowledge; vulnerability management; strong communication; mentoring
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
2+ YOE2+ years related experience; US Citizenship; TS/SCI with polygraph preferred; Support DoD SAP/SAP environments; Bachelor's or Associate degree with experience; IAT Level II or IAM Level II certifications.
GDITNYSE: GD: Delivers IT and mission services to government agencies.
2+ YOE2+ years of related experience; US citizenship; TS/SCI clearance; TS/SCI with polygraph preferred; SAP experience required; Bachelor’s or Associate degree with related experience; IAT Level II or IAM Level II certifications within 6 months.
Vantor: Provides AI-powered spatial intelligence and high-resolution Earth observation imagery.
8+ YOEActive TS/SCI clearance, U.S. citizenship, 8+ years ISSO/cybersecurity experience, DoD RMF/NIST knowledge, security tools, and relevant certifications.
cFocus Software: Provides cybersecurity compliance and enterprise IT services for government.
6+ YOE6+ years cybersecurity; 3+ years ISSO in federal env; NIST SP 800-53, RMF, FedRAMP; security docs; vulnerability management; strong briefing skills (leadership).
System High: Provides specialized security engineering and protection for national security missions.
1+ YOE1-2 years related experience; Bachelor’s degree or equivalent experience (4 years); DoD 8570.01-M IAT I or IAM I within 6 months; Current Top-Secret Clearance with SCI Eligibility; willing to submit to Counterintelligence polygraph; ability to regularly lift up to 50 lbs.
Hexagon US Federal: Provides geospatial and cybersecurity solutions to US federal agencies.
5+ YOEBachelor’s degree in cybersecurity or related field; 5–8 years in cybersecurity/ISSO roles; Security+ required; RMF/NIST knowledge; U.S. citizenship; ability to obtain favorable adjudication; 10% travel.
Cloud Information System Security Officer (ISSO) – Senior #1708368
Washington or Huntsville or Clarksburg or McLean
OnsiteFull Time
Network Designs, Inc.: Provides IT, network, and cybersecurity solutions to government agencies.
8+ YOESenior ISSO for cloud/hybrid systems; US citizenship; active TS clearance; onsite at DC/AL/WV locations; 8+ years federal ISSO experience; RMF/NIST; cloud security.
GCyber: Provides specialized cybersecurity and IT modernization for government agencies.
8+ YOEActive DoD Top Secret/SCI clearance; BS in engineering or CS; DoD 8570 IAT II cert; 8-10 yrs DoD/IC RMF; 5+ yrs ATO/eMass; 4+ yrs ISSO; travel to NSGB; Arlington, VA.
Celestar: Provides intelligence analysis and mission support to government agencies.
13+ YOESenior-level ISSO with active TS/SCI and CI Poly; 13+ years in software/systems engineering or related field; HS diploma or GED; Security+ or IAT II/III; experience with RMF (DIA), IATT, ATO, SSPs/SAPs; SCIF work required.
RealmOne: Provides cybersecurity and intelligence services for national security missions.
Bachelor's degree or four years related experience; DoD 8570 IAM I; two areas of security tools/implementation, protocols, or encryption; familiarity with security products and PKI; active clearance with polygraph.
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
140+
Hiring companies
78
Fresh sample
36% new in 30d
Salary visibility
49% show pay
Companies appearing in this market
Accenture Federal ServicesAgile DefenseGDITGeneral Dynamics Information TechnologyPeratonSteampunkCACIM.C. Dean