Senior Systems Administrator - Secure Linux/Windows & Cloud

Leidos Inc; Fort Meade (MD); On-site; USD 87,000 - 157,000; Full time

Job summary

Leidos is seeking a Systems Administrator to support the Intelligence Sector's Cyber & Analytics Business Area (CABA) in secure, classified environments. The role emphasizes Linux/Windows administration, virtualization, storage, identity management, and security across enclave services.

The ideal candidate will troubleshoot complex infrastructure issues, maintain SSP compliance, and ensure system availability for mission-critical operations.

Qualifications

• Seven years of system administration experience on similar programs.
• Bachelor's degree in a technical discipline from an accredited college.
• 5+ years of additional System Administration experience may substitute for the bachelor's degree.

Responsibilities

• Administer, maintain, and troubleshoot Linux and Windows systems, diagnosing and resolving issues from OS to application layers.
• Install, configure, patch, upgrade, secure, and maintain Linux servers (RHEL/ Rocky/ CentOS).
• Configure and maintain core enclave services (DHCP, DNS, domain services, identity management, authentication).
• Deploy and support virtualized and containerized environments; manage compute, storage, and networking resources.
• Support storage, network connectivity, system interfaces, and related infrastructure; troubleshoot performance and availability.
• Maintain systems per SSPs and secure administration requirements (STE/STN).
• Provide day-to-day admin support in classified environments.

Skills

Linux admin

Windows admin

Networking

Virtualization

Security

AWS cloud

Containerization

Automation

DoD compliance

Education

Bachelor's degree in a technical discipline

Tools

AWS

KVM

Proxmox

VMware

FreeIPA

Centrify

LDAP

Active Directory

Docker

Podman

Kubernetes

Ansible

PowerShell

Python

Bash

PKI

Job description

Leidos is seeking a Systems Administrator to support the Intelligence Sector's Cyber & Analytics Business Area (CABA) in secure, classified environments. The role emphasizes Linux/Windows administration, virtualization, storage, identity management, and security across enclave services.

The ideal candidate will troubleshoot complex infrastructure issues, maintain SSP compliance, and ensure system availability for mission-critical operations.