Systems Administrator (Senior-Level)
Core
Senior-level Systems Administrator supporting mission-critical enterprise infrastructure for secure communications and national defense operations.
Role type
Senior Systems Administrator (Infrastructure & Security)
Builds
Enterprise server environments, network infrastructure, and cybersecurity compliance frameworks for the U.S. Army Information Systems Engineering Command.
Domain
Defense / Cybersecurity / Enterprise Infrastructure
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Windows Server administration, Linux/UNIX administration, Active Directory management, Virtualization (VMware vSphere/ESXi), Network infrastructure management, Cybersecurity compliance (RMF), Backup and disaster recovery, Incident response, Vendor coordination, Technical documentation
Preferred skills
DoD/Army environment experience, Videoconferencing and VoIP support, Fiber optic cabling knowledge, Additional industry certifications (e.g., CCNA, VCP), VIP support experience
Technologies
Windows Server, Linux/UNIX, Active Directory, VMware vSphere/ESXi, Routers, Switches, Firewalls, Encryptors, LAN/WAN, VoIP
Responsibilities
Administer and maintain physical and virtual server environments; Install, configure, patch, and upgrade operating systems and enterprise services; Monitor system and network performance and troubleshoot hardware/software issues; Manage user accounts, permissions, and authentication services; Administer network infrastructure including routers, switches, and cabling; Support cybersecurity operations including RMF requirements and vulnerability assessments; Respond to cybersecurity incidents and classified spillage events; Execute backup, recovery, and disaster recovery procedures; Coordinate with vendors and government stakeholders; Support system modernization and technology evaluations; Prepare technical briefings and reports; Develop and update system documentation and SOPs; Identify and implement process improvements and automation opportunities.
Seniority
Senior, hands-on IC
