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Senior SystemNetwork Administrator – Systems Integration

Leidos


Job Location:

Laurel, MD - USA

Monthly Salary: $ 116350 - 210325
Posted: 26 August 2026 (Yesterday)
Application Deadline: 23 November 2026
Vacancies: 1 Vacancy

Job Summary

About Leidos

Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security engineering and health industries. We deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers success. Guided by our Mission Vision and Values Leidos empowers its teams contributes to its communities and operates sustainablyalways with a commitment to doing the right thing for our customers our people and our community.

The Leidos Intel Sector combines technology-enabled services and mission software capabilities to support Intelligence Community customers as they address evolving national security challenges.

About the Opportunity

Leidos is seeking a highly experienced Senior System/Network Administrator Systems Integration to support the implementation operation troubleshooting and maintenance of complex IT systems and infrastructure.

You will administer Linux UNIX and Windows environments; build and maintain virtual and storage environments; configure network components; resolve complex technical problems; and support reliable day-to-day infrastructure operations. At this level you will also contribute to system and mission-architecture design understand system-administration interdependencies within Service-Oriented Architecture (SOA) environments and resolve complex integration issues spanning server hardware applications and software.

Why This Role Matters

Mission infrastructure depends not only on the reliability of individual systems networks storage platforms and virtual environments but also on how those components interact as part of a larger architecture.

As a Senior System/Network Administrator Systems Integration you will bring deep infrastructure experience to both operational administration and complex integration challenges helping ensure interconnected systems and applications function effectively together.

What Youll Do

Systems Network & Infrastructure Administration

  • Manage daily configuration and operation of IT systems.

  • Support implementation troubleshooting and maintenance of IT systems and associated infrastructure.

  • Monitor and support day-to-day operations across client/server storage network mobile and related devices.

  • Configure and manage Linux UNIX Windows and other applicable operating systems.

  • Install and load operating-system software troubleshoot system issues and maintain system integrity.

  • Configure network components and implement operating-system enhancements to improve reliability and performance.

  • Build configure monitor and maintain virtual environments.

  • Build configure monitor and maintain storage environments.

  • Optimize system operations and resource utilization and perform system-capacity analysis and planning.

Advanced Troubleshooting & User Support

  • Provide in-depth troubleshooting of IT systems.

  • Assist users in accessing and using IT systems.

  • Provide Tier 1 Help Desk and Tier 2 escalation support for problem identification diagnosis and resolution.

  • Support dispatch-system and hardware problems and remain engaged through resolution.

  • Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.

  • Communicate system status technical issues and resolution progress to agency management and internal customers.

Systems Integration & Mission Architecture

  • Support the design of systems mission architecture and associated hardware.

  • Apply working knowledge of system-administration interdependencies within Service-Oriented Architecture (SOA) environments.

  • Analyze and resolve complex problems involving server hardware applications and software integration.

Required Qualifications

Clearance

  • Active TS/SCI with Polygraph at time of Application to be considered for the position.

Education & Experience

  • Fifteen (15) years of System/Network Administration experience supporting programs and contracts of similar scope type and complexity.

  • Bachelors degree in a technical discipline from an accredited college or university.

  • Five (5) additional years of System/Network Administration experience may be substituted for the bachelors degree.

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:
August 24 2026

For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $116350.00 - $210325.00

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.


Required Experience:

Senior IC


About Company

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Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.

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