High-Performance Computing (HPC) (SA3) (Government)

AT&T•Columbia, MD

2d•$108,000 - $193,280•Onsite

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. This role involves the installation, configuration, and networking of Linux and Windows-based platforms. The position requires a minimum of 5 days per week in the office at the specified government customer site in Columbia, Maryland. The scope of this contract demands specialized expertise in high-performance computing, automated processing systems, distributed software design, and secure hosting and networking solutions. The IT infrastructure is primarily Linux-based, with some Windows and UNIX systems, including various network devices, server interconnections, mass storage solutions, and supporting infrastructure services. The services provided support HPC, infrastructure maintenance for HPC systems, networking, office automation, and specialized software development.

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.
TS/SCI with polygraph clearance required.

Nice To Haves

Proficient with 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).
Experience with transition of new systems/capabilities into operations (clusters, SMP/MPP, parallel file systems).
Familiarity with support to HPC and ABS (ABUNDANTSHIELD) SRE teams in accordance with Government policies and procedures.
Proficient with operating and maintaining systems/services: monitoring, incident response, troubleshooting, and routine maintenance.
Proficient with installing/configuring Linux OS, file systems, and TCP/IP networking; troubleshooting OS and application issues.
Proficient with automation/administration via BASH scripting; compiling/installing software as required.
Experience using common operations and observability tooling: Jira, Confluence, Grafana, Prometheus, Nagios.
Experience supporting HPC workload and configuration management tooling: Slurm, git, Salt, Ansible.
Experience providing user support and escalation/status communication to agency management and internal customers.
Experience optimizing operations through resource utilization and capacity analysis/planning.
Experience applying in-depth troubleshooting skills across heterogeneous systems.
Experience providing detailed analysis and feedback to agency management and internal customers for escalated tickets.
Experience supporting the dispatch system and hardware problems and remaining involved in the resolution process.
Experience hardening, patching, and tuning Linux/UNIX/Windows systems; implementing OS-level enhancements to improve reliability and performance.
Experience supporting the design of systems, mission architecture and associated hardware.
Working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA).
Experience analyzing and resolving complex problems associated with server hardware, applications and software integration.

Responsibilities

Provide HPC sustainment support across two geographically dispersed sites.
Manage 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).
Handle the transition of new systems/capabilities into operations (clusters, SMP/MPP, parallel file systems).
Support HPC and ABS (ABUNDANTSHIELD) SRE teams in accordance with Government policies and procedures.
Operate and maintain systems/services, including monitoring, incident response, troubleshooting, and routine maintenance.
Install and configure Linux OS, file systems, and TCP/IP networking; troubleshoot OS and application issues.
Automate and administer via BASH scripting; compile and install software as required.
Utilize 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.
Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.
Support the dispatch system and hardware problems, remaining 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.
Understand system administration interdependencies as part of the Service Oriented Architecture (SOA).
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