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System Administrator (Mid/Sr-TS/SCI FSP)

Crescens

Title: System Administrator (Mid/Sr-TS/SCI FSP)
Location: Bluffdale, UT & Annapolis Junction, MD (Onsite)

Type: Full time

Clearance Required: Active TS/SCI with Full Scope Polygraph (Must have Full Scope Poly from NSA)
Citizenship: U.S. Citizenship Required


Ideal Candidate
100 percent ONSITE. Must have Full Scope Poly from NSA. Prefer last poly within 7 years, but will consider others based on skill level and urgency of the program.


Job description:
  • System Administrators at all experience levels to support mission-critical operations in Maryland and Utah.
  • These funded positions support high-performance computing (HPC) environments and mission operations sustainment activities, including monitoring, troubleshooting, maintenance, and optimization of complex Linux-based infrastructures.
  • Candidates with strong Linux administration skills and a passion for solving complex technical challenges. Whether your expertise is in platform engineering, networking, or storage systems, you will play a critical role in ensuring the reliability, performance, and availability of mission-essential environments.
  • Monitor, maintain, and troubleshoot mission operations systems and infrastructure.
  • Install, configure, and administer Linux operating systems and applications.
  • Configure and manage file systems, networking services, and system resources.
  • Perform operating system and application troubleshooting in complex environments.
  • Develop and maintain Bash scripts to automate administrative tasks.
  • Compile, install, configure, and support software applications.
  • Support infrastructure automation and configuration management initiatives.
  • Collaborate with engineering and operations teams to resolve system issues and improve performance.
  • Document configurations, procedures, and troubleshooting processes.
  • Participate in system upgrades, maintenance activities, and operational support.
Desired Qualifications:
  • Understanding of High-Performance Computing (HPC) architectures.
  • Experience supporting large-scale enterprise or mission-critical environments.
  • Knowledge of high-speed networking technologies including:
  • InfiniBand
  • Slingshot
  • Experience with:
  • Jira
  • Confluence
  • Grafana
  • Prometheus
  • Nagios
  • Slurm
  • Git
  • Salt
  • Ansible
  • Storage & Network Engineering Preferred Experience
  • Candidates with storage, networking, or infrastructure engineering backgrounds are highly encouraged to apply.
  • Storage Technologies
  • Lustre file system configuration, administration, and troubleshooting.
  • Experience with DDN Exascaler file system appliances.
  • Storage fabric design, implementation, and support.
  • Storage performance tuning and optimization.
  • Networking Technologies
  • TCP/IP networking and storage networking concepts.
  • Experience with enterprise routing and switching platforms, including:
  • Cisco
  • Juniper
  • Arista
  • Emerging Technologies
  • Experience or interest in learning:
  • E1000 Storage Systems
  • Elastic Storage Nodes (ESNs)
  • DAOS (Distributed Asynchronous Object Storage)
  • Weka Data Platform
  • Performance and Benchmarking Tools
  • Experience with one or more of the following:
  • IOR
  • iperf
  • FIO
  • lnet_selftest

Required:
  • Active TS/SCI with Full Scope Polygraph security clearance.
  • U.S. Citizenship.
  • Experience administering Linux operating systems, including:
  • Red Hat Enterprise Linux (RHEL)
  • CentOS
  • Rocky Linux
  • SUSE Linux Enterprise Server (SLES)
  • Ubuntu
  • Experience with: Linux installation and configuration
  • File system administration
  • TCP/IP networking
  • Operating system troubleshooting
  • Application troubleshooting
  • Bash scripting
  • Software compilation and installation
  • Strong analytical and troubleshooting skills.
  • Ability to work independently and collaboratively in dynamic mission environments.
Vacancy posted more than 2 months ago

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