Senior Systems Administrator
Leidos
full-time
Posted on:
Location Type: Office
Location: Gaithersburg • Arizona, Colorado, Maryland, Montana, Virginia • 🇺🇸 United States
Visit company websiteSalary
💰 $89,700 - $162,150 per year
Job Level
Senior
Tech Stack
AnsibleCyber SecurityLinuxPythonVMware
About the role
- Lead system administration for Linux and Windows-based systems in secure, mission-critical environments.
- Architect and manage complex server, storage, and virtualization infrastructure (VMware, KVM).
- Perform OS installation, configuration, hardening, and patching in compliance with DoD STIGs and agency policies.
- Monitor and tune system performance, conduct root cause analysis, and resolve complex issues quickly and efficiently.
- Support backup/recovery strategies, disaster recovery plans, and continuity of operations.
- Oversee and maintain automation scripts and infrastructure as code (Ansible, PowerShell, Bash, etc.).
- Maintain system documentation, configuration baselines, and support CM and RM activities.
- Lead and support deployment of system enhancements and modernization initiatives for Chinook and Maru programs.
- Collaborate with cybersecurity, network engineering, and software development teams to ensure system compliance and performance.
- Participate in security audits, incident response, and operational readiness activities.
Requirements
- US citizenship is required per contract.
- Bachelor’s degree in Computer Science, Engineering, Information Technology, or related discipline and 8-12 years of prior relevant experience or Master’s with 6-10 years of prior relevant experience.
- DoD 8570 IAT Level II or III certification (e.g., Security+ CE, CASP+, CISSP).
- Experience with Linux (Red Hat Enterprise Linux or CentOS) and Windows Server platform system administration.
- Proficiency with virtualization platforms (VMware, KVM) and management tools.
- Experience with automation and scripting (Ansible, Bash, PowerShell, Python).
- Familiarity with STIG compliance, system hardening, ACAS scans, and RMF processes.
- Strong understanding of enterprise networking, identity/access management, and storage concepts.
- Proven ability to troubleshoot, document, and lead systems-related projects independently.
- Experience supporting IC or DoD classified environments.
Benefits
- Health and Wellness programs
- Income Protection
- Paid Leave
- Retirement
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
Linux administrationWindows administrationOS installationsystem hardeningpatchingvirtualizationautomation scriptingroot cause analysisbackup/recovery strategiesdisaster recovery
Soft skills
troubleshootingdocumentationleadershipcollaborationindependent project management
Certifications
DoD 8570 IAT Level IIDoD 8570 IAT Level IIISecurity+ CECASP+CISSP