Systems Administrator / Infrastructure Engineer (Mid-Level)

Requirements

• Bachelor’s degree in Computer Engineering, Computer Science, IT Security, or related field, and 8–12 years of related experience; years of experience can be used in lieu of degree (two years of experience for one year of academia)
• Strong expertise in Windows and Linux operating systems in enterprise environments
• Experience with virtualization platforms (e.g., VMware vSphere, Microsoft Hyper-V \ or similar) in production environments
• Experience with Virtual Desktop environments (Horizon VDI, Azure Virtual Host, Microsoft RDS, or similar)
• Experience working in enterprise network/security environments [SC1] 
• Familiarity with high-security or regulated environments such as GCC High, government, defense, or compliance-driven infrastructure (HIPAA, RMF, CMMC, NIST, etc.)
• Strong understanding of Active Directory / Entra ID, including authentication, group policy, conditional access, and identity lifecycle management
• Experience supporting hybrid infrastructure environments (on-prem + cloud)
• Solid understanding of networking fundamentals (TCP/IP, DNS, DHCP, routing, VPNs)
• Experience with scripting/automation (PowerShell, Python, or equivalent) for operational efficiency
• Ability to independently manage infrastructure implementation, maintenance, and escalation-level troubleshooting
• Strong analytical and troubleshooting skills across systems, network, and application layers

Responsibilities

• Support Windows client setup, maintenance, troubleshooting, and remediation for end user deployments (including standard peripherals)

• Administer and support Windows and Linux server infrastructure in production environments
• Maintain and troubleshoot virtualized environments
• Manage and support identity infrastructure including authentication, access control, and policy enforcement
• Perform system monitoring, patch management, vulnerability remediation, and routine maintenance
• Serve as an escalation point for complex technical issues
• Assist with implementation of infrastructure upgrades, migrations, improvements, and modernization
• Collaborate on architecture, design, and security hardening decisions
• Document systems, procedures, and operational standards
• Support adherence to security best practices and government/customer compliance requirements

Preferred Skills (Nice to Have)

• Experience with Microsoft Azure, GCC High, or hybrid government cloud environments
• Familiarity with M365 administration (Exchange Online, SharePoint, Power Platform)
• Exposure to endpoint management tools (Intune, PDQ Deploy)
• Exposure to infrastructure-as-code or configuration management tools (Ansible, Chef, etc.) 
• Experience supporting multi-site or geographically distributed environments

Role Level Summary

This role is designed for a mid-level infrastructure engineer with strong hands-on enterprise experience, capable of independently managing and troubleshooting complex systems in secure, hybrid, and production environments, while collaborating on architecture, security design, and large-scale infrastructure initiatives.