Cyber Systems Administrator - Level 3 (Secret Clearance)

The Level 3 Cyber Systems Administrator serves as a senior technical contributor responsible for advanced system administration, infrastructure optimization, incident resolution, and engineering support. This role operates with greater autonomy and supports complex enterprise environments and mission-critical systems., * Lead monitoring and health assessments of enterprise infrastructure and mission systems

• Perform advanced troubleshooting of complex system, network, and virtualization issues
• Execute and oversee system patching, maintenance, upgrades, and lifecycle management
• Drive incident response coordination, root cause analysis, and resolution documentation
• Partner with Integrated Product Teams (IPTs) to plan and execute engineering activities
• Provide cybersecurity compliance support and audit readiness assistance
• Identify inefficiencies and implement system performance optimizations
• Mentor junior administrators and support operational best practices
• Contribute to process engineering and infrastructure modernization efforts, * Microsoft Endpoint Configuration Manager (MECM): advanced packaging, OS deployment, patch management, troubleshooting DP/client communication issues
• Windows Server Update Services (WSUS): enterprise administration, synchronization, approval workflows, MECM integration
• VMware vSphere/ESXi: advanced administration including clusters, HA/DRS, performance tuning, virtual networking
• Windows Server 2016-2025 and Windows 11 enterprise administration
• Active Directory architecture, DNS, Group Policy design and troubleshooting
• PowerShell and Bash scripting for automation and system management
• Monitoring, logging, and performance analysis tools
• Experience supporting large-scale enterprise or mission-critical infrastructure

Clearance: Active DoD Secret Clearance with ability to obtain TS/SCI and SAP/SAR access, * Bachelor's degree in a STEM field (Computer Science, Information Systems, Engineering, Physics, Mathematics, Systems Engineering, Aerospace Engineering, or related discipline)

• Active DoD Secret Clearance with ability to obtain TS/SCI and SAP/SAR access
• DoD 8140 IAT Level II certification required (or higher) within 6 months (e.g., Security+, CySA+, CISSP), * 5+ years of relevant experience (Master's degree may substitute for up to 2 years), * PKI / Certificate Services (ADCS, certificate automation, OCSP, CRLs, TLS infrastructure)
• Ansible automation, CI/CD pipelines, and infrastructure-as-code implementation
• Microsoft Exchange hybrid or enterprise environments
• Experience leading technical initiatives or infrastructure projects
• Strong root cause analysis and systems engineering experience

Travel

• Up to 10% travel required

MILVETS offers an excellent benefits package including Health Insurance, Dental Insurance, Life Insurance, Disability Insurance, Vision, 401(k), Paid Time Off.

About the company: Since its founding in 1986, MILVETS Systems Technology, Inc. has been a reliable provider of quality services in the information and technology fields. As a Service-Disabled Veteran-Owned Small Business, certified by the Small Business Administration as a Small Disadvantaged Business, the company was founded to offer efficient, cost-effective information technology services to commercial and government clients., MILVETS Systems Technology, Inc. is an Equal Employment Opportunity/Affirmative Action Employer and maintains a Drug-Free Workplace. MILVETS Systems Technology, Inc. ("MILVETS") uses JazzHR Talent Fit AI to assist in candidate evaluation. This tool leverages artificial intelligence to generate insights but does not make autonomous hiring decisions. All employment decisions are made solely by MILVETS' recruitment and management teams. Candidate data processed through JazzHR Talent Fit AI is handled in compliance with applicable privacy and data protection regulations, including GDPR, and MILVETS' internal policies. MILVETS is an Equal Opportunity Employer (EOE) and complies with all relevant EEOC regulations to ensure fair and equitable hiring practices.