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Senior Applications Developer (Government)

AT&T


Job Location:

Columbia, SC - USA

Monthly Salary: $ 98100 - 180000
Posted: 3 July 2026 (30+ days ago)
Application Deadline: 30 September 2026
Vacancies: 1 Vacancy

Job Summary

This position requires office presence of a minimum of 5 days per week and is only located at customers site.

AT&T Global Public Sector is a trusted provider of secure IP enabled cloud-based network solutions and professional services to theFederal 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.
  • Bachelors 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 Bachelors degree.
  • Must comply with DoD 8570 IAT Level 2 (Security).
  • Must be US Citizen.

Our Senior Applications Developers earn between $98100 - $180000. 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 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.


Required Experience:

Senior IC


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