US Defense - System Administrator Senior Technology Consultant, (Clearance TS/SCI) Aberdeen, MD, Onsite
Core
Senior System Administrator providing hands-on support, maintenance, and troubleshooting for High-Performance Computing (HPC) systems in a US Defense environment.
Role type
Senior System Administrator (HPC)
Builds
HPC system availability, security posture, and operational stability for US Defense clients
Domain
US Defense / High-Performance Computing
Required skills
Linux cluster administration, system patching, hardware troubleshooting, security posture management, on-call support, knowledge management, mentoring
Preferred skills
Vendor certifications (CompTIA, Red Hat, CISSP), solution design, stakeholder communication
Technologies
Linux, SUSE v15, HPC clusters, network and storage systems
Responsibilities
Monitor and maintain HPC system health; plan and perform monthly patching and OS upgrades; resolve client support tickets; maintain SLA availability reports; troubleshoot hardware and software issues; support new system installations and acceptance testing; maintain 24x7x2/4 on-call schedule; mentor junior team members
Seniority
Senior, hands-on IC with team leadership
