Leidos · 10 hours ago
Tier 3 Service Desk/ System Administrator
Bethesda, MD
Full-time
Onsite
Mid, Senior Level
$73K/yr - $133K/yr
4+ years expLeidos is seeking a highly skilled TS/SCI Tier 3 Service Desk/System Administrator to join their team supporting the OSINT Integration Center. In this role, you will leverage your expertise in Linux and Windows systems administration while providing exceptional user support services and collaborating with infrastructure engineers.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Perform Linux (primarily) and Windows builds, installations, configurations, administration, and troubleshooting
Implement and enforce DISA STIG compliance across systems and networks
Develop and maintain server builds for both virtual and physical environments
Manage and deploy system integration tools such as Kubernetes, Rancher, and Helm
Develop scripts for patching, configuration, and automation using Python, Bash, or PowerShell
Utilize configuration management tools like Salt and Ansible for infrastructure automation
Administer cloud environments, particularly AWS, including provisioning, monitoring, and optimization
Provide professional and knowledgeable customer support to maintain excellent client relationships
Coordinate with teammates to ensure service desk coverage from 6 AM to 6 PM, Monday through Friday
Qualification
Required
Bachelor's Degree with 4-8 years of relevant experience or Master's Degree with 2+ years of experience (three additional years of experience may be substituted for the bachelor's degree)
Active Top Secret clearance with eligibility for TS/SCI and Polygraph
Expertise in Linux systems administration (RHEL/CentOS, Ubuntu)
Experience with patching (yum/APT repositories) and virtual server builds
Familiarity with Agile project management and security requirements derivation
Strong scripting skills (Python, Bash)
Excellent verbal and written communication skills
Ability to work independently and collaboratively in a team environment
Experience working in air-gapped environments
Preferred
Experience with Kubernetes, Rancher, and IaC tools like AWS CloudFormation
Familiarity with CI/CD tools such as ArgoCD, Jenkins, and GitLab
Knowledge of ELK stack (Elasticsearch, Logstash, Kibana) and beats
Experience with Active Directory in a Linux environment
Background in maintaining AI/ML environments and large data storage solutions
Benefits
Health and Wellness programs
Income Protection
Paid Leave
Retirement
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
MarketScreener
2025-12-16
2025-12-16
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