AT&T
AT&T

60 Att Systems Administrator Jobs Hiring Near You

TAC20-75 Sr. System Administrator

Reston, VA · On-site

$89K - $121K/yr

Shift Type Core Hours Job Title TAC20-75 Sr. System Administrator Education High School Location Reston, VA - US (Primary) Career Level Skill Level 3 Category ATP - Engineer VI Date Needed By Job ...

ServiceNow Platform Engineer

Bothell, WA · On-site

$143K - $215K/yr

Join AT&T and reimagine the communications and technologies that connect the world. The Chief ... ServiceNow Certified System Admin certification required * Deep working knowledge of most or all of ...

ServiceNow Platform Engineer

Dallas, TX · On-site

$143K - $215K/yr

Join AT&T and reimagine the communications and technologies that connect the world. The Chief ... ServiceNow Certified System Admin certification required * Deep working knowledge of most or all of ...

Showing results 21-40

AT&T Jobs Information

Do workers at AT&T get paid breaks?

Yes. Most people get paid breaks.
68% of people say they get paid breaks.
Based on data from 77 people who took the Breakroom Quiz between February 2026 and August 2026.

Does AT&T pay people when they’re sick?

Yes. Most people get paid when they’re sick.
70% of people say they would get paid if they were sick but scheduled to work.
Based on data from 83 people who took the Breakroom Quiz between February 2026 and August 2026.

At AT&T, are sick days and vacation days separate paid time off?

Only some people have separate paid time off for sick days and vacation.
34% of people say they have to use vacation days when they’re out sick.
Based on data from 79 people who took the Breakroom Quiz between February 2026 and August 2026.

Do part-time workers get paid time off at AT&T?

Most people who work part-time get paid time off.
80% of people who work part-time say they get paid time off
Based on data from 5 people who took the Breakroom Quiz between May 2025 and July 2026.

Is the health insurance from AT&T affordable enough for their workers?

Most people say the health insurance costs are okay.
86% of people say the health insurance costs are okay
Based on data from 80 people who took the Breakroom Quiz between February 2026 and August 2026.

Do people get paid time off at AT&T?

Most people get paid time off work.
95% of people say they get paid time off.
Based on data from 91 people who took the Breakroom Quiz between February 2026 and August 2026.

How far ahead of time do people find out their work schedule?

Only some people find out their schedule four weeks ahead of time.
  • 27% of people with changing schedules find out their shifts one week or less ahead of time.
  • 24% of people with changing schedules find out their shifts two weeks ahead of time.
  • 11% of people with changing schedules find out their shifts three weeks ahead of time.
  • 39% of people with changing schedules find out their shifts four weeks or more ahead of time.

Based on data from 101 people who took the Breakroom Quiz between August 2025 and August 2026.

Do workers at AT&T worry about hours?

Most people don’t worry about getting enough hours.
91% of people report they don’t worry about getting enough hours.
Based on data from 109 people who took the Breakroom Quiz between August 2025 and August 2026.

Do AT&T workers get to choose the shifts they work?

Some people don’t get to choose which shifts they work.
53% report that they don’t have enough control over which shifts they work.
Based on data from 93 people who took the Breakroom Quiz between August 2025 and August 2026.

How easy is it for AT&T workers to change shifts?

Some people find it hard to change shifts.
54% of people report that it’s hard to change shifts if they need to.
Based on data from 93 people who took the Breakroom Quiz between August 2025 and August 2026.

How easy is it to get time off at AT&T?

Most people find it easy to get time off.
73% of people report it’s easy to get time off.
Based on data from 83 people who took the Breakroom Quiz between February 2026 and August 2026.

Do AT&T managers change schedules at the last minute?

Most managers don’t change people’s schedules at the last minute.
78% of people say their manager doesn’t change their shift schedule at the last minute.
Based on data from 108 people who took the Breakroom Quiz between August 2025 and August 2026.

Do jobs at AT&T spill into time workers aren’t paid for?

Rarely. The job doesn't usually spill into unpaid time.
21% of people report that their job takes up time that they don’t get paid for.
Based on data from 111 people who took the Breakroom Quiz between August 2025 and August 2026.

How easy is it to take sick days at AT&T?

Most people find it easy to take sick days.
70% of people report that it’s easy to take time off if they are sick.
Based on data from 87 people who took the Breakroom Quiz between February 2026 and August 2026.

Is a AT&T job good for students?

Only some students say this is a good place to work if you’re studying.
45% of students report this isn’t a good place to work if you’re studying.
Based on data from 44 people who took the Breakroom Quiz between December 2024 and June 2026.

Is working at AT&T good if you’re a parent or caregiver?

Only some parents and caregivers say this is a good place to work.
41% of people who care for a child or other relative report this isn’t a good place to work.
Based on data from 103 people who took the Breakroom Quiz between July 2025 and July 2026.

Do people at AT&T feel treated with respect by their managers?

Most people feel treated with respect by their managers.
75% of people say they’re treated with respect by their managers.
Based on data from 81 people who took the Breakroom Quiz between February 2026 and August 2026.

Do people at AT&T get to take their breaks without interruption?

Most people get breaks without interruption.
84% of people report that they get to take their breaks without interruption.
Based on data from 87 people who took the Breakroom Quiz between February 2026 and August 2026.

Is it stressful to work at AT&T?

Most people feel stressed out here.
73% of people say they often feel stressed out at work.
Based on data from 85 people who took the Breakroom Quiz between February 2026 and August 2026.

Do people at AT&T enjoy their jobs?

Only some people enjoy their job.
40% of people report they don’t enjoy their job.
Based on data from 67 people who took the Breakroom Quiz between February 2026 and August 2026.

Do people at AT&T recommend working with their team?

Only some people recommend working with their team.
53% of people report that they wouldn’t recommend working with their immediate team to a friend.
Based on data from 92 people who took the Breakroom Quiz between February 2026 and August 2026.

Do people get enough training when they start at AT&T?

Most people got enough training when they started.
73% of people report they got enough training when they started working here.
Based on data from 86 people who took the Breakroom Quiz between February 2026 and August 2026.

Do people get support to advance at AT&T?

Only some people are given support to advance their career here.
In the last year, 35% of people report not being given support to advance their career here.
Based on data from 83 people who took the Breakroom Quiz between February 2026 and August 2026.

Do people think AT&T’s headquarters understands what’s happening where they work?

Most people think headquarters doesn’t understand what’s happening where they work.
84% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 85 people who took the Breakroom Quiz between February 2026 and August 2026.

Do workers feel well informed about how AT&T is doing?

Only some people feel well informed about how the company is doing.
37% of people feel that they aren’t kept well informed about how the company is doing as a whole.
Based on data from 84 people who took the Breakroom Quiz between February 2026 and August 2026.
Infographic showing various Systems Administrator job openings at Att in the United States as of August 2026, with employment types broken down into 94% Full Time, and 6% Part Time. Highlights an 99% Physical, and 1% Hybrid job distribution.

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

AT&T

Columbia, MD

$108K - $193K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 days ago


AT&T rating

7.3

Company rating: 7.3 out of 10

Based on 729 frontline employees who took The Breakroom Quiz

52nd of 99 rated telecommunications companies


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 primarily 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 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 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 position requires office presence a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. Work to be performed at government customer site.

Description of Job Duties/Responsibilities:

The System Administrator provides 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.

Proficient with the following (as specific position requires):

  • 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.
  • 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) (SA3) (Government) earns between $108,000 - $193,280 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:

40

Time Type:

Regular

Location:

Columbia, Maryland

AT&T and its subsidiaries are committed to equal employment opportunity. All hiring, promotion, and other employment decisions remain merit-based and free from discrimination on the basis of race, color, religion, religious creed, national origin, ancestry, age, sex, sexual orientation, gender, gender identity, gender expression, physical disability, mental disability, pregnancy, medical condition, genetic information, marital status, citizenship status, military status, veteran status, or any other characteristic protected by federal, state, or local laws. In addition, AT&T will provide reasonable accommodations to qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. Click here to learn more or request an application accommodation here.


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