Senior Systems Administrator I
Core
Designing, implementing, and maintaining core infrastructure services critical to enterprise operations, ensuring high availability, security, and scalability for virtualization, AI, identity systems, and cloud environments.
Role type
Senior Systems Administrator (Infrastructure & Cloud)
Builds
Enterprise IT platform including virtualization, cloud, identity, and collaboration services for defense, security, civil aviation, and healthcare sectors.
Domain
Defense & Security / Enterprise IT Infrastructure
Required skills
Virtualization (VMware, Hyper-V), Cloud Platforms (Azure), Identity Management (ADFS, Entra), OS Administration (Windows, Linux), Networking (TCP/IP, DNS, DHCP), Database Management, Scripting (PowerShell), Troubleshooting, Documentation
Preferred skills
SAN/NAS/Backup technologies, AI app deployment (Copilot), Enterprise CA, Azure Local stack, MFA/Federation, Kubernetes
Technologies
VMware, Hyper-V, Azure, Active Directory, Entra, SQL, Postgres, PRTG, SolarWinds, Nagios, IronPort, ProofPoint, Cisco DUO, Nimble, Veeam, vSAN
Responsibilities
Administer and maintain operating systems, hypervisors, and applications; troubleshoot complex system issues; design and plan computer systems and network hardware; support digital transformation initiatives; create and maintain system documentation and runbooks; provide Tier-3 escalation support; manage Active Directory and Group Policies; participate in on-call rotation for production support.
Seniority
Senior, hands-on IC with leadership responsibilities
