Take2 Consulting, LLC · 15 hours ago
Sr Systems Administrator (Top Secret)
Take2 Consulting, LLC is seeking a Senior System Administrator responsible for administering and maintaining systems across SIPR and NIPR networks. The role involves overseeing system performance, security hardening, troubleshooting, and supporting modernization efforts in regulated DoD environments.
Responsibilities
Administer and maintain Linux and Windows server environments across SIPR and NIPR networks
Lead advanced troubleshooting, diagnostics, and root-cause analysis for complex system issues
Implement and maintain compliance with STIGs, RMF controls, and DoD cybersecurity policies
Manage AWS resources, including EC2 instances, IAM, VPC configurations, storage, and security settings
Oversee system upgrades, patching cycles, configuration management, and performance tuning
Support network-connected system operations, including DNS, DHCP, routing, and switching interactions
Develop and maintain technical documentation, configuration baselines, and system procedures
Collaborate with cybersecurity, engineering, and operations teams to ensure system integrity and mission readiness
Provide mentorship and technical guidance to junior administrators and support staff
Qualification
Required
Active Top Secret clearance
6–10+ years of experience in system administration supporting DoD or similarly regulated environments
Proficiency with Linux (RHEL preferred) and Windows Server administration
Experience working in both classified and unclassified environments
Strong understanding of RMF, STIGs, and DoD security standards
Hands-on experience managing AWS cloud environments
Solid understanding of networking fundamentals (TCP/IP, routing, switching, DNS, DHCP)
Active Security+ certification (required under DoD 8570 IAT II guidelines)