Core Network Engineer (Network Designer II) (Government)

Chantilly, VAFull-time$89.2k–$180kPosted Aug 5, 2026

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.

Our National Security Team supports the intelligence community, providing, operating, and assuring critical voice, video

and collaboration services for the full spectrum of operations.

AT&T has an opening for CORE Network Engineer to support our government customers’ global enterprise networks. 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 a government customer site in Chantilly, VA.

Description of Job Duties/Responsibilities:

Design and Develop tools for relevant operating systems platforms.
Design and Develop tools that integrate with commercial applications.
Design and Develop database management systems, image processing, collaborative tools, data manipulation techniques, data visualization techniques, and directory services.
Develop and conduct unit tests
Determine feasibility of software design within time and cost constraints.
Document software designs and related instructions so that others can understand and replicate the program.
Write or contribute to instructions or manuals to guide end users.
Assign, coordinate, and review work and activities of programming personnel.
Collaborate with computer manufacturers and users to develop new programming methods.
Train subordinates in programming and program coding.
Design and build web sites, using authoring or scripting languages, content creation tools, management tools, and digital media.

Required Clearance: TS/SCI with polygraph. (#ts/sci) (#polygraph)

Required Qualifications:

Candidate must have 10 years of experience that can be a combination of work history and education. This equates to a Doctorate and 3 years, master’s and 4 years, bachelor’s and 6 years, associates and 8 years or HS diploma and 10 years. Required qualifications include the following:

Must be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2.

Ready to join our team? Apply today!

Our Core Network Engineer (Network Designer II) (Government) earns $89,200 - $180,000 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 wireline phone

Weekly Hours:

Time Type:

Regular

Location:

Chantilly, Virginia

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.