Why this role stands out
Leverage your extensive cybersecurity expertise to safeguard critical national defense systems at the Pentagon, gaining invaluable experience with the Risk Management Framework and cutting-edge security tools. This on-site role offers a unique opportunity to make a significant impact within a highly reputable organization while developing your skills in a dynamic, fast-paced environment.
Quick overview
Job description
Full Req: Overview: Leidos is seeking an experienced Information System Security Officer (ISSO) / Security Impact Assessment (SIA) professional to support a government customer onsite at the Pentagon. The position will support Risk Management Framework (RMF) activities for the 844CS National Military Command Center (NMCC). The role requires strong initiative, organization, communication, customer service, and the ability to operate in a fast-paced environment.
Responsibilities
- Run and review Evaluate STIG scans and manually validate STIG checklists.
- Analyze vulnerability scans and STIG results to identify critical open vulnerabilities requiring remediation.
- Work with system owners and work centers to close, mitigate, or document vulnerabilities through POA&Ms.
- Identify risks and impacts and recommend appropriate mitigation strategies.
- Provide remediation recommendations based on DoW and Air Force guidance and directives.
- Validate system hardware/software inventories against system assets.
- Create and maintain SOPs and Work Instructions.
- Create and track POA&Ms throughout the System Impact Assessment lifecycle.
- Create Remedy tickets to track STIG implementation.
- Complete monthly application STIG status reports and POA&M updates.
- Complete and validate STIG/SRG checklists for RMF on a quarterly basis.
- Provide management status reports and document system changes.
- Develop and maintain POA&Ms and support remediation activities.
- Support continuous monitoring and POA&M activities.
Required Qualifications
- Bachelor's degree or equivalent work experience and certifications.
- Current DoD 8570 IAT II certification, including GSEC, Security+, SCNP, or SSCP.
- 8-10 years of cybersecurity experience.
- Familiarity with the DoD STIG process.
- Excellent verbal and written communication skills.
- Familiarity with ACAS, eMASS, and XACTA.
Desired Qualifications
- Nessus experience.
- Systems administration experience.
- Experience with CCRI scoring.
- Security Control Knowledge and Self-Assessment experience.
- Experience obtaining an ATO and taking a system through the full RMF process.
Schedule: Dayshift; core support hours are 0600-1800.
Similar jobs
- RA

System Administrator with Security ClearanceRecently posted
Razor · Hanover, MD · On-site · Posted 14 Nov 2026 🇺🇸
LinuxSystem DesignTechnologySalary not listed - TC

Systems Administrator with Security ClearanceRecently posted
TEKsystems c/o Allegis Group · Aurora, CO · On-site · Posted 14 Nov 2026 🇺🇸
Active DirectoryDNSVMware+2TechnologySalary not listed - DT

Windows AdministratorRecently posted
Donato Technologies Inc · Albany, NY · Hybrid · Posted 13 Nov 2026 🇺🇸
Active DirectoryComplianceDNS+3Salary not listed - PH

IT Operations EngineerRecently posted Auto Apply
Physicalintelligence · San Francisco · On-site · Posted 14 Nov 2026 🇺🇸
OnboardingGoogle WorkspaceRobotics+8TechnologySalary not listed - LE

Network Administrator
Leidos · Pearl Harbor, HI · Hybrid 🇺🇸
SplunkNetwork AdministrationTechnology$59.1k - $106.9k/yr - ST
Storage EngineerRecently posted
Software Technology Inc · Clifton, NJ · Hybrid · Posted 13 Nov 2026 🇺🇸
TechnologySalary not listed - AK

Systems AdministratorRecently posted
Akima, LLC · Norfolk, VA · On-site · Posted 13 Nov 2026 🇺🇸
EncryptionComplianceRisk Management+2Technology$110k - $120k/yr - DC
Cloud Systems Administrator 2 with Security ClearanceRecently posted
DCCA · Annapolis Junction, MD · Hybrid · Posted 13 Nov 2026 🇺🇸
DockerKubernetesTerraform+4Technology$100k - $160k/yr - AD

Systems Administrator (Linux & Windows) with Security ClearanceRecently posted
Agile Defense · Fort Huachuca, AZ · On-site · Posted 13 Nov 2026 🇺🇸
OracleSQLShell+12TechnologySalary not listed - HX
Database Administrator III with Security ClearanceRecently posted
HX5 · Fort Walton Beach, FL · Hybrid · Posted 13 Nov 2026 🇺🇸
OraclePL/SQLSQL+5TechnologySalary not listed - FT

Windows Systems Administrator with Security ClearanceRecently posted
Flash Technology Group LLC · Columbia, MD · Hybrid · Posted 13 Nov 2026 🇺🇸
Technology$117k - $129k/yr - AS
Database Administrator (DBA)Recently posted
ARK Solutions Inc · Raleigh, NC · On-site · Posted 13 Nov 2026 🇺🇸
MySQLOracleSQL+7TechnologySalary not listed
