Sr. Security Systems Administrator I (6548)
About The Position
As Sr. Security Systems Administrator I, you’ll deploy, operate, and maintain enterprise security systems in classified, enclave-based environments, ensuring systems are hardened, patched, and compliant with security baselines. The role manages access controls, audit logging, monitoring, and supports system migrations and integrations across hybrid infrastructures. Success requires strong Linux and/or Windows administration skills, STIG-based hardening expertise, and the ability to troubleshoot complex issues in TS/SCI environments. At MetroStar, we are obsessed with our people and have led a two-decade legacy of building the best and brightest teams. Because we know our future relies on our deep understanding and relentless focus on our people, we live by our mission: A passion for our people. Value for our customers.
Requirements
- Active TS/SCI clearance
- 7+ years of experience administering and securing Linux and/or Windows systems in enterprise or classified environments
- 5+ years of hands-on experience with security hardening (STIGs/CIS), patch management, vulnerability remediation, and virtualization
- Proven ability to independently troubleshoot complex system and integration issues in TS/SCI enclaves
- Strong experience administering Linux and/or Windows systems
- Experience with VMware virtualization environments
- Knowledge of system hardening standards (STIGs, CIS benchmarks)
- Experience with patch management and vulnerability remediation
- Familiarity with networking fundamentals (DNS, TCP/IP, firewalls)
- Ability to troubleshoot complex system and integration issues
Responsibilities
- Deploy, configure, and maintain enterprise security tools within a dedicated enclave
- Manage system hardening, patching, and compliance with security baselines
- Support migration activities, including system setup, validation, and cutover
- Monitor system performance and troubleshoot issues across hybrid environments
- Maintain access controls and audit logging for security systems
- Coordinate with cybersecurity teams to ensure tools are properly integrated and operational
Benefits
- Health, dental, and vision insurance
- 401(k) retirement plan with company match
- Paid time off (PTO) and holidays
- Parental Leave and dependent care
- Flexible work arrangements
- Professional development opportunities
- Employee assistance and wellness programs
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
Number of Employees
251-500 employees
