{"id":731055,"url":"https://alion.io/job/inflowfed-hpc-infrastructure-cluster-engineer","title":"HPC Infrastructure & Cluster Engineer","company":{"id":678779,"name":"INflow Federal","domain":"inflowfed.com","url":"https://alion.io/company/inflowfed","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"C","score":60,"open_postings":21,"ghost_share":0.667,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":53,"computed_at":"2026-10-30T05:48:23Z"}},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Springfield, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":140000,"max":195000,"currency":"USD","period":"year","gross":null,"usd_annual":195000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Bash","optional":false},{"name":"InfiniBand","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"OpenShift","optional":false},{"name":"Python","optional":false},{"name":"Red Hat","optional":false},{"name":"SLURM","optional":false}],"status":"live","first_seen_at":"2026-09-01T20:53:52Z","employer_posted_date":"2026-09-01","last_verified_at":"2026-10-31T04:49:28Z","board_verified":true,"closed_at":null,"days_open":59,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":57},"description":"We are seeking an Infrastructure & Cluster Engineer to manage the administration, health, and performance of the foundational compute environmen. In this role, you will be responsible for the end-to-end administration of a dedicated customer compute cluster. Your primary mission is to ensure a highly available, secure, and optimized hardware foundation. By maintaining a robust infrastructure, you will directly contribute to the critical technology integration and performance engineering efforts, ensuring a highly reliable platform for integrating and executing complex customer workloads.\nHere, your work is more than a job- it's a journey in innovation. With opportunities to work on high-impact projects, access to the latest technologies, and a culture that thrives on creativity and collaboration, INflow Federal is where your expertise can truly make a difference.\nSpecific Duties and Responsibilities:\nCluster Administration: Manage the day-to-day operations of the customer compute cluster, including Linux operating system administration, hardware monitoring, patching, and system upgrades.\nResource and Job Management: Configure, maintain, and optimize workload management and orchestration platforms, utilizing the Run:AI job scheduler to ensure efficient distribution of intensive AI/ML workloads across the cluster.\nInfrastructure Optimization: Tune cluster performance at the hardware, operating system, and network levels to maximize compute efficiency and data throughput for customer workloads.\nStorage and Network Management: Administer storage solutions and high-speed networking fabrics. Support the transition to and ongoing management of an InfiniBand GPU-to-GPU network infrastructure to minimize latency for distributed operations. \nEnvironment Configuration: Partner with technology integration teams to provision specific environments, dependencies, and container platforms, specifically leveraging Red Hat OpenShift, required for seamless customer model deployment.\nSecurity and Compliance: Ensure all infrastructure components remain compliant with federal security standards, implementing strict access controls and maintaining system accreditations.\nRequired Skills:\nExperience: 5+ years of experience in Linux systems administration and infrastructure management with a specific focus on high-performance computing environments.\nTechnical Skills:\nExpertise in managing bare-metal servers, enterprise storage arrays, and advanced network configurations (Experience with InfiniBand).\nStrong proficiency with workload managers, job schedulers, and AI orchestration tools (e.g., Run:AI, SLURM).\nHands-on experience with enterprise container orchestration platforms, specifically OpenShift or Kubernetes.\nExperience writing automation and configuration scripts (e.g., Bash, Python) to streamline cluster maintenance.\nTroubleshooting Focus: Proven ability to diagnose and resolve complex hardware, network, and OS-level issues.\nPreferred Skills:\nFamiliarity with parallel file systems and high-throughput storage architectures.\nPrior experience engineering or managing high-speed GPU-to-GPU communication 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