Role Overview
AT&T is hiring a Senior Applications Developer (Government). This is a full-time role in Columbia. Part of AT&T's Security hiring, posted yesterday. Full responsibilities, required qualifications, and the apply link are listed in the description below.
Resume Keywords to Include
Make sure these keywords appear in your resume to improve ATS scoring
Job Description
This position requires office presence of a minimum of 5 days per week and is only located at customer's site.
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 our Federal Government by providing, operating and assuring critical voice, video and collaboration services for the full spectrum of national security operations.
AT&T has an opening for a Senior Applications Developer to support the day-to-day IT systems for our customized network solution in support of the federal government.
Job Duties/Responsibilities:
This individual is a key member of the Applications Development team and is responsible for implementing the ServiceNow application to include, at a minimum, the ServiceNow IT Service Management suite and the platform. This individual works alongside supporting team members, partners/vendors, as well as Senior Leadership, to lead the design, development, testing, deployment, sustainment, and administering of the ServiceNow solution. They perform technical aspects of the ServiceNow implementation including: ServiceNow solution architecture, install, application UI, process automation, external integrations, access control, security hardening, workflow design/configuration, reporting, upgrades, and patching. They also provide ServiceNow focused consultation and technical leadership. They support the Technical Exchange Meetings, contribute to user facing documents, and are responsible for ServiceNow applications upkeep.
The job duties of the Applications Developer are as follows:
- Performs designing, programming, testing and debugging ServiceNow and applicable scripts
- Perform capacity planning, system tuning, problem analysis and hardware/software upgrades
- Develop administrative policies, documentation, and procedures to ensure that ServiceNow is properly maintained and operated
- Perform testing and establish system acceptance criteria on new or current hardware and software
- Build service requests from customer requirements, request items, and tasks
- Determine training needs and develop ServiceNow based guidelines tailored to the work environment
- Build client profiles and system configurations for software distribution equipment
- Respond to system alerts and engage in troubleshooting and problem resolution
- Use workflows to manage data flows from customers to support teams
- Use scripting tools to process automation and perform integration
- Import and export data across various enterprise applications
- Perform system and integration testing with sample and live data
- Monitor the health and status of ServiceNow and applicable scripts
- Work with IT managers to generate views and reports as needed
- Analyze user requirements and current procedures to improve system capabilities
- Install software releases and maintains data confidentiality, integrity, and availability
- Consult with clients, hardware and software vendors, users, system administrators, and engineers
- Provide technical support for development, test, and production environments
- Experience in Linux/Unix System Administration
- Experience in managing a Self-Hosted ServiceNow instance and upgrading ServiceNow Core applications
- Assess existing ServiceNow usage and recommend forward evolution to maximize efficiencies
- Perform integrations and process automation using ServiceNow Orchestration
- Understand ITIL/ITSM processes
- Understand HTML, CSS, JavaScript, and other web technologies
- Must be knowledgeable in the support and development of ServiceNow, Splunk, Nlyte, VMware, Ansible, etc.
Required Clearance:
TS/SCI poly (#tssci) (#polygraph)
Required Qualifications:
- Five (5) years of experience as a Developer in programs and contracts of similar scope, type, and complexity are required.
- Bachelor’s degree in System Engineering, Computer Science, Applied Science, Electrical Engineering, Math, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university, a developer nanodegree, or equivalent work experience, is required.
- Five (5) years of additional SE experience may be substituted for a Bachelor’s degree.
- Must comply with DoD 8570 IAT, Level 2 (Security+).
- Must be US Citizen.
Our Senior Applications Developer's earn between $98,100 - $180,000. 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:
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.
Frequently Asked Questions
How do I apply for the Senior Applications Developer (Government) position at AT&T?
Use the Apply button above to submit your application directly to AT&T. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Senior Applications Developer (Government) position at AT&T located?
This position is based in Columbia. AT&T has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Senior Applications Developer (Government) at AT&T earn?
AT&T has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Senior Applications Developer (Government) role at AT&T posted?
This role was posted on June 17, 2026 (yesterday). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Senior Applications Developer (Government) role at AT&T require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. AT&T lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
AI-powered job search
Get every job scored to your resume
Upload your resume and get jobs ranked, your resume tailored, and employee contacts found automatically.
Get Started FreeNo credit card to start