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Government

Senior Network Engineer III (Government)

Columbia, Maryland

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Job Description:

This position requires office presence of a minimum of 5 days per week and is only located at customer's site. No relocation is offered.

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.

AT&T has an opening for a Network Engineer to support our operations by providing system, server, and network administration support across multi-level IT environments. 

Job Duties/Responsibilities:

  • Provide system/server and network administration support
  • Provide O&M support to existing server-based solutions including, but not limited to, CITRIX, ESRI, McAfee, Microsoft Red Hat, and SolarWinds.
  • Ensure the CDS-based and enterprise-wide networking devices and components are tested, implemented and maintained within optimal and required configurations to continue to provide the most secure operating environment possible.
  • Responsible for variety of engineering and operational related assignments associated with deployed operational solutions backed by Cisco and SolarWinds on multi-level IT system in support of the Activities Information System.
  • Provide O&M support - testing, validation, sustainment, upgrading and decommissioning as it relates to networking devices to include: Switches, routers, firewalls, encryption devices, copper and fiber-based connectivity.

Required Clearance:

TS/SCI or Secret clearance (#tssci) (#secret)

Required Qualifications:

  • Bachelor’s degree in relevant field of study, 8 years of relevant experience
  • Network+ or relevant certification

Our Senior Network Engineer's earn between $79,300 - $184,800. 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)
  • 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

It 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-87877 Date posted 10/23/2025
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Benefits

Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.

  • Paid Time Off
  • Tuition Assistance
  • Insurance Options
  • Discounts
  • Training & Development

Learn more about benefits

Our hiring process

Apply Now

Confirm your qualifications align with the job requirements and submit your application.

Assessments

You may be required to complete one or more assessments, depending on the role.

Interview

Get ready to put your best foot forward! More than one interview may be necessary.

Conditional Job Offer

We’ll reach out to discuss a conditional job offer and the next steps to joining the team.

Background Check

Timing is important – complete the necessary actions to proceed with onboarding.

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