High-Performance Computing (HPC) Systems Support (SA III) (Government)
Columbia, Maryland
Job Description:
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers’ mission.
The scope of this Contract 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 consists of a mix of Linux, Windows, and UNIX. The environment includes a variety of network devices, server interconnections, mass storage solutions, and essential supporting infrastructure services. The services provided under this Contract support areas including HPC, infrastructure maintenance for HPC systems, networking, office automation, and the development of specialized software.
AT&T has an opening for aPrincipal 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 position requires office presence a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.
Description of Job Duties/Responsibilities: System Administrators (HPC), must provide High-Performance Computing (HPC) services in the form of HPC enhanced sustainment capabilities to two geographically dispersed areas. These capabilities include:
- Multi-vendor HPC servers, HPC clusters, and SPD servers.
- 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.
- High speed shared parallel storage utilizes LUSTRE to provide performant shared storage solutions between two or more HPCs in a data center. An Interconnect service integrates HPC systems with a dedicated high-speed network connecting several storage appliances to dedicated HPC LNETs. These appliances would be available to various HPCs to enhance capabilities.
The HPC Operations Team must provide for implementing and managing monitoring capability required to track the health, status, and performance of the entire system to include its subcomponents (environmental, compute, storage, networks and applications) using various COTS and GOTS toolsets (such as Nagios, Splunk, Prometheus, etc.)
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. The contractor must follow those Government designated policies and procedures, which include ticket tracking processes, change approvals and change management processes, coding specifications, and the support (and adherence) to processes and policies associated with the Government designated (and deployed) base SRE tools.
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.
Required Clearance: TS/SCI with polygraph. (#ts/sci) (#polygraph)
Required Qualifications: 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.
Ready to join our team? Apply today!
Our High-Performance Computing (HPC) Systems Support (SA III) (Government)
earns between $108,000 - $251,700 yearly. Not to mention all the other amazing rewards that working at AT&T offers. Individual starting salary within this range may depend on geography, experience, expertise, and education/training.
Joining our team comes with amazing perks and 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) *Pro-rated when working less than 40 hrs/wk.
- 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
Weekly Hours:
40Time Type:
RegularLocation:
Columbia, MarylandIt is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.
Job ID R-96651 Date posted 01/13/2026
Benefits
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- Paid Time Off
- Tuition Assistance
- Medical and dental plans
- Discounts
- Training & Development
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