AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Administer user identification and authentication mechanisms for information systems, including ...

59 Att Network Administrator Jobs Hiring Near You
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Administer user identification and authentication mechanisms for information systems, including ...
ServiceNow Developer (SNOW SME TC2) (Government)
Columbia, MD · On-site
$98K - $263K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Security+. * ServiceNow Certified System Administrator (CSA). Desired Qualifications: * Strong ...
ServiceNow Developer (SNOW SME TC2) (Government)
Columbia, MD · On-site
$98K - $263K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Security+. * ServiceNow Certified System Administrator (CSA). Desired Qualifications: * Strong ...
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Provide LAN administrator support with the installation, configuration and maintenance of network ...
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Provide LAN administrator support with the installation, configuration and maintenance of network ...
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... ServiceNow Certified System Administrator. * Must have at least one other advanced ServiceNow ...
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... ServiceNow Certified System Administrator. * Must have at least one other advanced ServiceNow ...
NMS ServiceNow Software Designer (IT Software Developer 2) (Government)
Chantilly, VA · On-site
$55.25 - $76/hr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Deploy, administer, develop, and integrate the ServiceNow suite on RHEL and Windows; collaborate ...
NMS ServiceNow Software Designer (IT Software Developer 2) (Government)
Chantilly, VA · On-site
$55.25 - $76/hr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Deploy, administer, develop, and integrate the ServiceNow suite on RHEL and Windows; collaborate ...
NMS ServiceNow Software Designer (IT Software Developer III) (Government)
Chantilly, VA · On-site
$55.25 - $76/hr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... ServiceNow Certified System Administrator. * Must have at least one other advanced ServiceNow ...
NMS ServiceNow Software Designer (IT Software Developer III) (Government)
Chantilly, VA · On-site
$55.25 - $76/hr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... ServiceNow Certified System Administrator. * Must have at least one other advanced ServiceNow ...
Senior Applications Developer (Government)
Columbia, MD · On-site
$98K - $180K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Consult with clients, hardware and software vendors, users, system administrators, and engineers
Senior Applications Developer (Government)
Columbia, MD · On-site
$98K - $180K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Consult with clients, hardware and software vendors, users, system administrators, and engineers
Land Mobile Radio (LMR) System Administrator (Government)
Columbia, MD · On-site
$72K - $124K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... We are seeking a detail-oriented LMR System Administrator who brings strong technical ...
Land Mobile Radio (LMR) System Administrator (Government)
Columbia, MD · On-site
$72K - $124K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... We are seeking a detail-oriented LMR System Administrator who brings strong technical ...
Senior Systems Administrator Engineer (Government)
Chantilly, VA · On-site
$98K - $220K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... No relocation is offered. * Administer and maintain Linux-based operating systems and ...
Senior Systems Administrator Engineer (Government)
Chantilly, VA · On-site
$98K - $220K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... No relocation is offered. * Administer and maintain Linux-based operating systems and ...
Information Systems Security Officer (ISSO2) (Government)
Columbia, MD · On-site
$98K - $168K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Experience partnering with ISSMs, system administrators, engineers, and mission stakeholders to ...
Information Systems Security Officer (ISSO2) (Government)
Columbia, MD · On-site
$98K - $168K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Experience partnering with ISSMs, system administrators, engineers, and mission stakeholders to ...
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... CUSTOMER-specific Component Mission Administrator (CMA) or Directorate Mission Administrator (DMA ...
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... CUSTOMER-specific Component Mission Administrator (CMA) or Directorate Mission Administrator (DMA ...
AT&T has an opening to fill a Network Support Technician (NST) position to support an Immigration ... Provide LAN administrator support with the installation, configuration and maintenance of network ...
AT&T has an opening to fill a Network Support Technician (NST) position to support an Immigration ... Provide LAN administrator support with the installation, configuration and maintenance of network ...
Senior Virtual Machine Operations and Deployment (VMOD) Analyst (Government)
Bellevue, NE · On-site +1
$71K - $145K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Azure Administrator, or other virtualization-related certifications would be beneficial. * Project ...
Senior Virtual Machine Operations and Deployment (VMOD) Analyst (Government)
Bellevue, NE · On-site +1
$71K - $145K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Azure Administrator, or other virtualization-related certifications would be beneficial. * Project ...
ServiceNow Developer (SNOW SME TC2) (Government)
Columbia, MD · On-site
$98K - $263K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Security+. * ServiceNow Certified System Administrator (CSA). Desired Qualifications: * Strong ...
ServiceNow Developer (SNOW SME TC2) (Government)
Columbia, MD · On-site
$98K - $263K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Security+. * ServiceNow Certified System Administrator (CSA). Desired Qualifications: * Strong ...
NMS ServiceNow Software Designer (IT Software Developer 2) (Government)
Chantilly, VA · On-site
$55.25 - $76/hr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Deploy, administer, develop, and integrate the ServiceNow suite on RHEL and Windows; collaborate ...
NMS ServiceNow Software Designer (IT Software Developer 2) (Government)
Chantilly, VA · On-site
$55.25 - $76/hr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Deploy, administer, develop, and integrate the ServiceNow suite on RHEL and Windows; collaborate ...
NMS ServiceNow Software Designer (IT Software Developer III) (Government)
Chantilly, VA · On-site
$55.25 - $76/hr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... ServiceNow Certified System Administrator. * Must have at least one other advanced ServiceNow ...
NMS ServiceNow Software Designer (IT Software Developer III) (Government)
Chantilly, VA · On-site
$55.25 - $76/hr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... ServiceNow Certified System Administrator. * Must have at least one other advanced ServiceNow ...
NMS ServiceNow Software Designer (IT Software Developer III) (Government)
Chantilly, VA · On-site
$55.25 - $76/hr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... ServiceNow Certified System Administrator. * Must have at least one other advanced ServiceNow ...
NMS ServiceNow Software Designer (IT Software Developer III) (Government)
Chantilly, VA · On-site
$55.25 - $76/hr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... ServiceNow Certified System Administrator. * Must have at least one other advanced ServiceNow ...
Senior Applications Developer (Government)
Columbia, MD · On-site
$98K - $180K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Consult with clients, hardware and software vendors, users, system administrators, and engineers
Senior Applications Developer (Government)
Columbia, MD · On-site
$98K - $180K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Consult with clients, hardware and software vendors, users, system administrators, and engineers
Information Systems Security Officer (ISSO2) (Government)
Columbia, MD · On-site
$98K - $168K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Experience partnering with ISSMs, system administrators, engineers, and mission stakeholders to ...
Information Systems Security Officer (ISSO2) (Government)
Columbia, MD · On-site
$98K - $168K/yr
AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network ... Experience partnering with ISSMs, system administrators, engineers, and mission stakeholders to ...
AT&T Jobs Information
Do workers at AT&T 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?
68% of people say they would get paid if they were sick but scheduled to work.
Based on data from 87 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?
69% of people say they don’t have to use vacation days when they’re out sick.
Based on data from 83 people who took the Breakroom Quiz between February 2026 and August 2026.
Do part-time workers get paid time off at AT&T?
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?
83% of people say the health insurance costs are okay
Based on data from 84 people who took the Breakroom Quiz between February 2026 and August 2026.
Do people get paid time off at AT&T?
95% of people say they get paid time off.
Based on data from 95 people who took the Breakroom Quiz between February 2026 and August 2026.
How far ahead of time do people find out their work schedule?
- 23% of people with changing schedules find out their shifts one week or less ahead of time.
- 23% of people with changing schedules find out their shifts two weeks ahead of time.
- 13% of people with changing schedules find out their shifts three weeks ahead of time.
- 40% of people with changing schedules find out their shifts four weeks or more ahead of time.
Based on data from 128 people who took the Breakroom Quiz between July 2025 and July 2026.
Do workers at AT&T worry about hours?
90% of people report they don’t worry about getting enough hours.
Based on data from 143 people who took the Breakroom Quiz between July 2025 and July 2026.
Do AT&T workers get to choose the shifts they work?
50% report that they don’t have enough control over which shifts they work.
Based on data from 121 people who took the Breakroom Quiz between July 2025 and July 2026.
How easy is it for AT&T workers to change shifts?
53% of people report that it’s hard to change shifts if they need to.
Based on data from 159 people who took the Breakroom Quiz between June 2025 and June 2026.
How easy is it to get time off at AT&T?
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?
81% of people say their manager doesn’t change their shift schedule at the last minute.
Based on data from 177 people who took the Breakroom Quiz between June 2025 and June 2026.
Do jobs at AT&T spill into time workers aren’t paid for?
19% of people report that their job takes up time that they don’t get paid for.
Based on data from 145 people who took the Breakroom Quiz between July 2025 and July 2026.
How easy is it to take sick days at AT&T?
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?
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?
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?
74% of people say they’re treated with respect by their managers.
Based on data from 85 people who took the Breakroom Quiz between February 2026 and August 2026.
Do people at AT&T get to take their 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?
74% of people say they often feel stressed out at work.
Based on data from 89 people who took the Breakroom Quiz between February 2026 and August 2026.
Do people at AT&T enjoy their jobs?
41% of people report they don’t enjoy their job.
Based on data from 71 people who took the Breakroom Quiz between February 2026 and August 2026.
Do people at AT&T recommend working with their team?
54% of people report that they wouldn’t recommend working with their immediate team to a friend.
Based on data from 96 people who took the Breakroom Quiz between February 2026 and August 2026.
Do people get enough training when they start at AT&T?
72% of people report they got enough training when they started working here.
Based on data from 90 people who took the Breakroom Quiz between February 2026 and August 2026.
Do people get support to advance at AT&T?
In the last year, 34% of people report not being given support to advance their career here.
Based on data from 87 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?
82% 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 89 people who took the Breakroom Quiz between February 2026 and August 2026.
Do workers feel well informed about how AT&T is doing?
40% of people feel that they aren’t kept well informed about how the company is doing as a whole.
Based on data from 88 people who took the Breakroom Quiz between February 2026 and August 2026.

Full-time
Medical, Dental, Vision, Life, Retirement, PTO
Re-posted 24 days ago
AT&T rating
7.3
Based on 728 frontline employees who took The Breakroom Quiz
58th of 97 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. 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 an Information Systems Security Officer to support information assurance programs and ensure the security posture of mission critical systems. The ISSO will play a key role in supporting security authorization activities in alignment with program and government requirements.
Description of Job Duties/Responsibilities:
The Information Systems Security Officer (ISSO) supports the Information System Security Manager (ISSM) and senior ISSOs in implementing and enforcing information systems security policies, standards, and methodologies. The ISSO helps maintain the security posture of classified information systems, supports Risk Management Framework (RMF) activities, manages security-relevant configuration control, and develops and maintains cybersecurity documentation in accordance with ODNI and DoD requirements. Work to be performed at government customer site.
Key Responsibilities:
- 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.
- Support senior ISSOs in implementing and enforcing information systems security policies, standards, and methodologies.
- Maintain the operational security posture of classified information systems, including support for continuous monitoring activities.
- Develop system security policy and ensure compliance with applicable requirements.
- Evaluate security solutions to ensure they meet security requirements for processing classified information.
- Assist with the management of security aspects of information systems and perform day-to-day security operations.
- Administer user identification and authentication mechanisms for information systems, including privileged user oversight.
- Provide configuration management (CM) for security-relevant information system software, hardware, and firmware; coordinate and assess security impact of changes.
- Maintain records for workstations, servers, routers, firewalls, intelligent hubs, network switches, and related components, including system upgrades.
- Develop, update, and maintain RMF/IA documentation (e.g., SSP) and supporting artifacts; keep documentation accurate and audit-ready.
Technical Skills and Tools:
- RMF and RMF toolsets (e.g., LATTEART, XACTA, BISCOTTI, WATCHCAT, STE).
- Compliance and configuration scanning tools (e.g., SCAP-based and host/network scanning solutions).
- Working knowledge of NIST SP 800-53 (Rev. 3 and/or Rev. 5) and NIST SP 800-37; understanding of the full RMF lifecycle, including Authority to Operate (ATO) and continuous monitoring.
- Security documentation development and maintenance (e.g., SSP, POA&M, Security Plan for Exceptions/waivers, BIA, Configuration Management Plan (CMP), After Action Report (AAR), Contingency Plan (CP), Security Assessment Report (SAR), Risk Assessment Report (RAR)).
- Strong collaboration with System Administrators (SA), System Owners, and other stakeholders to implement controls, manage change, and sustain compliance.
- Experience supporting information assurance/cybersecurity operations for systems processing classified information.
- Hands-on experience with RMF execution, security control implementation, and security authorization (ATO) support.
- Experience producing and maintaining RMF artifacts and supporting audits, assessments, and continuous monitoring activities.
- Ability to support control selection/tailoring and coordinate security control assessments with technical and program stakeholders.
- Strong written communication skills to produce clear, complete, and compliant security documentation.
- Ability to coordinate across ISSM/ISSO, system owners, engineering, and operations teams to implement controls, manage change, and sustain compliance.
Required Clearance: TS/SCI with polygraph. (#ts/sci) (#polygraph)
Required Qualifications:
Five (5) years of experience as an ISSO on programs and contracts of similar scope, type; and complexity is required. Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional experience as an ISSO may be substituted for a bachelor's degree.
- Experience is to include at least one (l) of the following areas: knowledge of current security tools, hardware/software security implementation; communication protocols; and encryption techniques/tools.
- DOD 8570 compliance with IAT Level I or higher is required.
Ready to join our team? Apply today!
Our Information Systems Security Officer (ISSO) Skill Level 1 (Government) earns between $98,100 - $156,530 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, MarylandAT&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.