Mid/Senior System Administrator

Leidos

Confirmed live yesterday High trust

Quick summary

Work type: On-site
Location: Annapolis Junction, MD
Salary: $92,300–$166,850 / yr
Posted: 17 days ago
Freshness: Confirmed live yesterday
Nearby: 99+ roles within 25 mi

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $149k

This role $130k

$82k most similar roles pay here $187k

This role pays less than 66% of similar roles. Most pay $120,750–$177,250 — the shaded band above. At the midpoint, this role pays about $130k versus about $149k for comparable roles.

Based on 240 similar postings.

Employer

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.

Leidos currently has 264 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 245 roles with salary data.

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View all roles at Leidos

At a glance

TL;DR · Mid/Senior System Administrator

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Mid/Sr. System Administrator TS/SCI Poly joins the Cyber & Analytics Business Area to provide system administration support for a large, complex network environment featuring geographically distributed systems and multiple air-gapped domains. The role involves installing applications, managing server and desktop configurations, performing security management, and optimizing application performance. Key responsibilities include maintaining complex server enclaves, conducting vulnerability management assessments, performing patch management, and managing Active Directory configurations. The candidate will utilize a technical stack including Windows Server 2019, Red Hat, VMWare, SALT, Ansible, Splunk, Puppet, SolarWinds, and Nessus. Preferred skills include SQL Server, Python, PowerShell, PowerCLI, and experience with PKI systems using HSMs. This role addresses critical infrastructure needs within the Intel Sector, specifically supporting security engineering, network operations, mission software, and cryptographic key management in a high-stakes national security environment.

Skills

Windows Server 2019 Active Directory SALT Ansible Splunk Puppet SolarWinds Nessus Red Hat VMware SQL Server Python PowerShell PowerCLI PKI NTP Agile Virtualization

What you'll do

Manage and maintain a complex network of geographically distributed systems across multiple air-gapped domains.
Install applications and optimize server and desktop configurations to ensure continuous, efficient operation.
Perform security management tasks including vulnerability assessments, patching, certificate renewals, and Active Directory configurations.
Troubleshoot and resolve hardware and software issues while developing re-work solutions for system problems.
Maintain technical documentation of complex server and network environments to facilitate rapid incident resolution.
Manage web-based applications used for storing, sharing, and distributing information.
Communicate with users and external personnel regarding system outages, upgrades, and recommended resolution options.

What we're looking for

Bachelor's degree in a related technical field or equivalent experience.
At least 8 years of relevant experience as a systems administrator supporting end users and technical staff.
Proficiency with Windows Server 2019 and Active Directory.
Experience with software/hardware deployment, patching, operating systems, and backup functions.
Familiarity with SALT, Ansible, Splunk, Puppet, SolarWinds, and Nessus.
Knowledge of Red Hat, VMWare, and advanced security protocols.
Experience with client and server virtualization environments and hardware troubleshooting.
Must have TS/SCI with Polygraph clearance.
Proficiency with SQL Server (preferred).
SALT and Python scripting experience (preferred).
Experience in Agile Development Environments or on Agile Teams (preferred).
Knowledge of PKI systems, HSMs, PowerShell, and PowerCLI (preferred).

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