System Administrator III
Company: Reflexive Concepts
Location: Salt Lake City
Posted on: April 1, 2026
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Job Description:
Reflexive Concepts is seeking a System Administrator III to join
our team! The System Administrator will provide High Performance
Computing (HPC) services in the form of HPC enhanced sustainment
capabilities to two geographically dispersed areas. These
capabilities include: Systems running Red Hat, CentOS, SUSE and
custom vendor-specific operating systems, with high-speed shared
storage (lustre, and gpfs as examples), along with dedicated
high-speed low latency network interconnects like Infiniband and
Slingshot. Transitioning systems into Operations. This team works
across organizations to provide for planning, delivery, and
integration of new or additional HPC sustainment capabilities that
include HPC systems, servers (cluster, SMP, MPP and SPD), and
parallel file systems. System Administrators (HPC) must support The
HPC and ABS (ABUNDANTSHIELD high speed shared parallel storage) SRE
teams and follow Government designated policies and procedures,
developed to enhance the teams’ ability to perform their
sustainment responsibilities and to improve customer mission
operations. Requirements: B.S. in a technical discipline and 10
years’ experience as a System Administrator in programs and
contracts of similar scope, type and complexity or 15 years’
experience in lieu of a degree. Proficient with the following (as
specific position requires): Provide support for implementation,
troubleshooting and maintenance of IT systems Provide Tier 1 (Help
Desk) problem identification, diagnosis and resolution of problems
Manage the daily activities of configuration and operation of IT
systems Provide assistance to users in accessing and using IT
systems Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem
identification, diagnosis and resolution of problems Provide
support to IT systems including day-to-day operations, monitoring
and problem resolution for all of the client/server/storage/network
devices, mobile devices, etc. Provide support for the escalation
and communication of status to agency management and internal
customers Optimize system operations and resource utilization, and
perform system capacity analysis and planning Provide in-depth
experience in trouble-shooting IT systems Provide detailed analysis
and feedback to agency management and internal customers for
escalated tickets Provide support for the dispatch system and
hardware problems and remains involved in the resolution process
Configure and manage Linux, Unix, and Windows (or other applicable)
operating systems and installs/loads operating system software,
troubleshoot, maintain integrity of and configure network
components, along with implementing operating systems enhancements
to improve reliability and performance Support the design of
systems, mission architecture and associated hardware Possess a
working knowledge and understanding of system administration
interdependencies as part of the Service Oriented Architecture
(SOA) Analyze and resolve complex problems associated with server
hardware, applications and software integration DoD 8570 IAT II
level certification required.
Keywords: Reflexive Concepts, West Valley City , System Administrator III, IT / Software / Systems , Salt Lake City, Utah
