Senior Systems Administrator

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Your most important work is ahead.

If this sounds like the kind of environment where you can thrive, keep reading!

Leidos is seeking a Senior Systems Administrator to support enterprise backup, storage, and virtualization operations for a high-profile DoD program. This role will lead the design, implementation, and optimization of data protection solutions, including a migration from Commvault to Veeam, within a secure, large-scale environment.

Work location includes Fort Belvoir, VA (Primary) and Reston, VA (Temporary Secondary Location)

Clearance
Must hold an active TS/SCI clearance to start. (ship required)

Key Responsibilities:

• Lead administration and optimization of enterprise backup and recovery solutions (Commvault transitioning to Veeam).
• Architect and implement backup, storage, and disaster recovery strategies across physical and virtual environments.
• Serve as a subject matter expert for data protection, storage management, and recovery operations.
• Administer and troubleshoot Windows Server environments, including performance tuning, patching, and system optimization.
• Manage and optimize VMware infrastructure (vSphere, Horizon, VDI) supporting enterprise workloads.
• Ensure systems meet DISA STIG and DoD security requirements, lead hardening and compliance efforts.
• Analyze system performance, identify trends, and proactively resolve complex infrastructure issues.
• Lead incident response and root cause analysis for backup, storage, and system failures.
• Develop, maintain, and enforce SOPs, architecture documentation, and operational standards.
• Collaborate with PMO, engineering, cybersecurity, and Tiered support teams to drive system improvements.
• Evaluate and recommend new technologies, tools, and architectures to enhance performance and resiliency.
• Mentor junior administrators and provide technical leadership across the team.

Basic Qualifications:

• The candidate must have bachelor's degree with 8+ years of prior relevant experience or a Master's Degree with 6+ years of prior relevant experience, additional experience may be accepted in lieu of a degree.
• Candidate must, at a minimum, meet DoD 8570.11- IAT Level II certification requirements (currently Security+ CE, CCNA-Security, GSEC, or SSCP).
• Extensive experience with enterprise backup platforms (Veeam strongly preferred; Commvault experience highly desired).
• Strong expertise in Windows Server administration.
• An active Top Secret clearance is required for this position.
• Due to the nature of the government contracts we support, ship is required.
• Advanced experience with VMware technologies (vSphere, Horizon, VDI).
• Deep understanding of DISA STIGs, system hardening, and DoD security compliance frameworks.
• Proven experience designing and implementing backup, recovery, and storage solutions.
• Strong troubleshooting skills across systems, virtualization, and storage layers.
• Experience leading technical efforts and mentoring junior staff.
• Excellent documentation and communication skills.

Preferred Qualifications:

• Strong knowledge of SANs, Fibre Channel fabric, vSphere Standard/Distributed Switches.
• Experience with server rack hardware, firmware, and secure boot technologies.
• Strong analytical and troubleshooting skills with the ability to work independently and within a team.
• VMware Certified Professional (VCP).
• Veeam Certified Engineer (VMCE).

Certifications:

• IAT II (8570) Certification.

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

Original Posting:
April 2, 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 $116,350.00 - $210,325.00

The Leidos pay range for this job level is a general guideline only and 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.