Senior Systems Administrator TS/SCI Cloud & Security

Leidos; Suitland (MD); On-site; USD 92,000 - 167,000; Full time

Job summary

Leidos is seeking a Systems Administrator in Suitland, MD to support ONI. You will provide specialized cybersecurity and IT support for critical intelligence systems used in parametric modeling, engineering analysis, and foreign material exploitation.

You will maintain secure, reliable systems, support accreditation activities, and collaborate with technology teams to sustain mission readiness in a high-security environment.

Qualifications

• Bachelor's degree with 8+ years experience or master's with 6+ years.
• Active DoD TS/SCI with polygraph eligibility.
• 5+ years Windows System Administration experience.
• Experience with security frameworks (C&A, RMF, NIST).

Responsibilities

• Troubleshoot and resolve technical issues within prescribed timelines.
• Track change requests and tickets in ServiceNow or Remedy AR.
• Maintain configuration management and lifecycle documentation.
• Evaluate system needs and recommend software/hardware updates.
• Support desktop updates, accreditation compliance, and security authorizations.
• Assist with risk management frameworks and compliance with DoD/IC policies.

Skills

Windows Server Administration

Active TS/SCI Clearance

Azure Cloud Administration

Security+ or 8570 Certification

RMF/NIST compliance

Troubleshooting

Communication

Collaboration with teams

Education

Bachelor's degree in a related field

Master's degree in a related field

Tools

ServiceNow

Remedy AR

Job description

Leidos is seeking a Systems Administrator in Suitland, MD to support ONI. You will provide specialized cybersecurity and IT support for critical intelligence systems used in parametric modeling, engineering analysis, and foreign material exploitation.

You will maintain secure, reliable systems, support accreditation activities, and collaborate with technology teams to sustain mission readiness in a high-security environment.