Senior Windows SME

Leidos is committed to delivering innovative solutions and supporting mission-critical operations for our customers. The DISA CESO ITSS team provides network operations and cyber defense support to the Defense Information Systems Agency (DISA) enabling secure and reliable communications for the Department of Defense (DoD) and Combatant Commands (COCOMs).

Leidos is seeking a Senior Windows Systems Administrator (SA) to serve as the primary Windows SA and subject matter expert (SME) for our team. This role focuses on ownership of our Windows environment while supporting a mixedOS infrastructure.

Primary Responsibilities

• Serve as the senior lead and primary Subject Matter Expert (SME) for all Windows Server environments driving technical strategy architecture decisions and operational excellence.

• Design architect implement and sustain enterprise Windows infrastructure.

• Own the health performance and availability of Windows systems; proactively monitor analyze trends and implement improvements to prevent issues before they impact operations.

• Lead complex troubleshooting and incident resolution efforts conducting deep root cause analysis and implementing permanent corrective actions across systems and services.

• Establish and enforce enterprise standards baselines and hardening guidelines in alignment with security frameworks and compliance requirements.

• Provide technical leadership and mentorship to system administrators and engineers; guide best practices and elevate team capabilities across Windows technologies.

• Lead planning and execution of system lifecycle activities including patching upgrades migrations and modernization initiatives.

• Provide cross-platform support by performing basic Linux system administration and coordinating with Linux SMEs for complex issues.

Qualifications

• Bachelors degree in a related discipline with 8 years of prior relevant experience or masters degree with 610 years of prior relevant experience.

• Security Certification or other DOD 8570 IAT Level II Certification

• Security Clearance Requirement: Active TS and SCI eligibility

• Strong experience administering Windows Server environments.

• Deep understanding of core Windows services and system management.

• Working knowledge of Linux systems.

• Solid troubleshooting and communication skills.

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:

Pay Range:

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.