Senior Software Engineer (Government)
Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Oct 7, 2026. AT&T scores A on the Alion truth index.
This is a full-time onsite role based in the location(s) posted and is performed from the designated work location five days per week (Suitland, MD). 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 Senior Software Engineer to support operations by maintaining, documenting, and administering enterprise IT systems.
Job Duties/Responsibilities:
- Responsible for the detailed design, documentation, coding, code optimization, unit testing, code deployment and code improvements of both desktop and web-based solutions on Microsoft platforms. (i.e. Desktops, servers, and websites) With Microsoft technologies (.NET, ASP, NET, C#, etc) for multiple internal business/proprietary software products.
- Perform custom software development only when a commercial solution is not available.
- Ensure all software code is developed and maintained in accordance with (USG) Information Assurance (IA) and Security (INFOSEC) standards.
Clearance Requirements:
Active TS/SCI with poly (#tssci) (#polygraph)
Required Qualifications:
- Bachelor’s degree in related field.
- 8 years of relevant experience.
- Understanding and knowledge of: Microsoft. Net Technologies, Python, C#
Our Senior Software Engineer's earn between $108,000 - $210,000. 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 wireline 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.