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Salary
$92k – $167k per year
Location
In office (Laurel)
Seniority
Staff · 10+ years exp
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H-1B filings in 12 months: 50 · green card filings: 24
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Apr 10, 2026. Leidos scores B on the Alion truth index.

Overview
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Leidos is an American technology and engineering services company created in 2013 when Science Applications International Corporation split in two, with Leidos taking the technical services and solutions business. It is one of the largest suppliers to the United States government, working across defence programmes, intelligence systems, civil agencies including the Federal Aviation Administration, and healthcare services for the Department of Veterans Affairs. Headquartered in Reston, Virginia, the company also builds security detection products for airports and borders, and has concentrated recent investment on trusted artificial intelligence and autonomy for mission environments.

Systems Network Administrator (TS/SCI w/ Poly)

Leidos - National Security Sector | Cyber & Analytics Business Area (CABA)

Leidos is seeking a Systems Network Administrator / MIM Administrator (SME) to join our National Security Sector’s Cyber & Analytics Business Area (CABA). This team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, SIGINT, and advanced analytics, delivering mission-critical capabilities that directly support national security.

If you’re looking to work on high-impact systems in a mission-driven environment-while deepening your expertise in Identity & Access Management (IAM) -this is an opportunity to make a real difference.

Why Leidos?

At Leidos, you’ll work on meaningful missions with cutting-edge technologies-while being supported in your career growth.

We offer:

  • 401(k) with 6% match + immediate vesting
  • Generous PTO + 11 paid holidays
  • Flexible work schedules
  • Paid parental leave
  • Technical upskilling, training, and education support
  • Employee stock purchase plan
  • And more

What You Bring

Core Experience:

  • Strong experience supporting enterprise IT systems and infrastructure
  • Advanced troubleshooting across Windows-based environments
  • Hands-on expertise with: Microsoft Identity Manager (MIM) / Forefront Identity Manager (FIM); MS SQL Server (connectivity, maintenance, backups-not DBA-level)
  • Deep understanding of Identity lifecycle management (Joiner-Mover-Leaver); Data flow and synchronization across systems

Technical Skills:

  • MIM/FIM (MIM 2016 or FIM 2010 R2)
  • PowerShell (advanced) - including use with MIM Workflow Activity Library (MIMWAL)
  • Windows Server Infrastructure - AD, DNS, Group Policy
  • C# / .NET - ability to develop and maintain custom rules and workflow extensions
  • Experience with SQL Server (FIM Service & Sync DBs)

Familiarity with flat file integrations (or ability to learn quickly)

Basic Qualifications

  • 10+ years of experience as a Systems Administrator or similar role
  • Bachelor’s degree in a technical field (or 5 additional years of experience in lieu of degree)
  • IAT Level II certification or higher (e.g., Security+, Microsoft, VMware, etc.)
  • Active TS/SCI with Polygraph (required)

Preferred Qualifications

  • Familiarity with Microsoft's EntraID

Make an Impact

  • Join a team where your work directly supports national security and mission success. At Leidos, your expertise matters-and your growth does too.
  • Apply today: careers.leidos.com

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 7, 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 $92,300.00 - $166,850.00

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.

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