High-Performance Computing (HPC) (SA3) (Government)
About The Position
AT&T Global Public Sector is seeking a High-Performance Computing (HPC) Systems Administrator to support a large client-based IT enterprise installation, configuration, and networking of Linux and Windows-based platforms. This role requires specialized expertise in areas such as high-performance computing (HPC), automated processing systems, distributed software design, and secure hosting and networking solutions. The IT infrastructure primarily consists of Linux, with some Windows and UNIX. The environment includes a variety of network devices, server interconnections, mass storage solutions, and essential supporting infrastructure services. The services provided support areas including HPC, infrastructure maintenance for HPC systems, networking, office automation, and the development of specialized software. This position requires office presence a minimum of 5 days per week and is located in Columbia, Maryland. Work is performed at a government customer site.
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.
- DoD 8570 IAT II level certification required.
- Proficient with Linux OS, file systems, and TCP/IP networking.
- Proficient with BASH scripting.
- Experience with common operations and observability tooling: Jira, Confluence, Grafana, Prometheus, Nagios.
- Experience with HPC workload and configuration management tooling: Slurm, git, Salt, Ansible.
- Experience with hardening, patching, and tuning Linux/UNIX/Windows systems.
- Working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA).
- TS/SCI with polygraph clearance required.
Nice To Haves
- Experience with parallel file systems (e.g., Lustre/GPFS).
- Experience with high-speed interconnects (InfiniBand/Slingshot).
- Experience with transition of new systems/capabilities into operations (clusters, SMP/MPP, parallel file systems).
Responsibilities
- Provide HPC sustainment support across two geographically dispersed sites, including Linux-based HPC clusters (e.g., Red Hat/CentOS/Rocky/Ubuntu) with parallel file systems (e.g., Lustre/GPFS) and high-speed interconnects (InfiniBand/Slingshot).
- Transition of new systems/capabilities into operations (clusters, SMP/MPP, parallel file systems).
- Support to HPC and ABS (ABUNDANTSHIELD) SRE teams in accordance with Government policies and procedures.
- Operate and maintain systems/services: monitoring, incident response, troubleshooting, and routine maintenance.
- Install/configure Linux OS, file systems, and TCP/IP networking; troubleshoot OS and application issues.
- Automate/administer via BASH scripting; compile/install software as required.
- Use common operations and observability tooling: Jira, Confluence, Grafana, Prometheus, Nagios.
- Support HPC workload and configuration management tooling: Slurm, git, Salt, Ansible.
- Provide user support and escalation/status communication to agency management and internal customers.
- Optimize operations through resource utilization and capacity analysis/planning.
- Apply in-depth troubleshooting skills across heterogeneous systems (no single fixed solution).
- 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.
- Harden, patch, and tune Linux/UNIX/Windows systems; implement OS-level enhancements to improve reliability and performance.
- Support the design of systems, mission architecture and associated hardware.
- Analyze and resolve complex problems associated with server hardware, applications and software integration.
Benefits
- Medical/Dental/Vision coverage
- 401(k) plan
- Tuition reimbursement program
- Paid Time Off and Holidays (based on date of hire, at least 23 days of vacation each year and 9 company-designated holidays)
- Paid Parental Leave
- Paid Caregiver Leave
- Additional sick leave beyond what state and local law require may be available but is unprotected
- Adoption Reimbursement
- Disability Benefits (short term and long term)
- Life and Accidental Death Insurance
- Supplemental benefit programs: critical illness/accident hospital indemnity/group legal
- Employee Assistance Programs (EAP)
- Extensive employee wellness programs
- Employee discounts up to 50% off on eligible AT&T mobility plans and accessories, AT&T internet (and fiber where available) and AT&T phone
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What This Job Offers
Job Type
Full-time
Career Level
Senior
