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Senior System Administrator
EEOCSystem Administrator leveraging technical expertise to enhance cybersecurity solutions for the Department of Defense. Collaborating with teams to implement improvements and lead modernization efforts.
Posted 6/30/2026full-timeColumbia • Maryland • 🇺🇸 United StatesSenior💰 $77,600 - $176,000 per yearWebsite
Tech Stack
Tools & technologiesCyber SecurityDNSFirewallsLinuxTypeScriptVMware
About the role
Key responsibilities & impact- Help design, deploy, and maintain Cross Domain Solutions for critical cybersecurity mission customers
- Recommend technologies and approaches to improve platform security, stability, reliability and comply with security controls
- Provide customers insight into their network through monitoring and performance management
- Identify problem areas and opportunities for improvement in a mission critical network
- Mentor and help the team work through challenges and develop new methodologies
- Identify new opportunities to modernize the network to help customers meet their needs
Requirements
What you’ll need- 3+ years of experience with Red Hat Enterprise Linux or CentOS
- Experience with GIT
- Experience managing virtual machines and VMware ESXi
- Knowledge of Linux firewalls, Linux RPMs, networking configuration, and DNS
- TS/SCI clearance with a polygraph
- Bachelor’s degree in a CS or IT field and 5+ years of experience with systems or network administration, or 10+ years of experience with systems or network administration in lieu of a degree
- Ability to obtain DoD 8570.1 IAT Level II Compliant Certification within 60 days of start date
Benefits
Comp & perks- health, life, disability, financial, and retirement benefits
- paid leave
- professional development
- tuition assistance
- work-life programs
- dependent care
- recognition awards program acknowledges employees for exceptional performance
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
Network AdministrationLinux FirewallsLinux RPMsNetworking ConfigurationDNS
Soft Skills
MentoringProblem Solving
Certifications
DoD 8570.1 IAT Level II Compliant Certification