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System Administrator I

Reflexive Concepts

Technical/Functional Expert In High-Performance Computing

Reflexive Concepts is seeking a Technical/Functional Expert in High-Performance Computing to join our growing team!

The HPC Technical/Functional Expert provides senior-level architectural guidance, performance tuning, and lifecycle leadership for large-scale high-performance computing clusters and the workloads that run on them.

Qualifications:

  • Ten (10) years of relevant HPC engineering or administration experience
  • Bachelor's Degree or higher in a Technical Discipline
    • An additional five (5) years of relevant experience may be substituted for the degree, for a total of fifteen (15) years
  • IAT II baseline certification (e.g., CCNA-Security, GICSP, GSEC, Security+, or SSCP)
  • Linux+ (or equivalent: RHCSA/RHCE/RHCA, LPI Linux Essentials, LFCS, or Oracle Linux OCP) within 6 months of start

Required:

  • Deep expertise in HPC cluster architecture, schedulers, and parallel file systems
  • Demonstrated ability to lead design and performance-tuning efforts at scale
  • Active TS/SCI clearance with Full-Scope Polygraph (within the last 7 years)

Desired Skills:

  • SLURM, PBS, or other workload-manager experience
  • Parallel file systems (Lustre, GPFS/Spectrum Scale, BeeGFS)
  • MPI, OpenMP, GPU computing, and HPC interconnect technologies (InfiniBand, RoCE)
  • Performance benchmarking, telemetry, and capacity planning at scale
Vacancy posted 4 days ago
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