Senior Applications Developer – Government

AT&T

Senior Applications Developer implementing and leading ServiceNow projects for AT&T providing critical services to the Federal Government. Collaborating with teams and delivering technical solutions for national security operations.

Posted 6/18/2026full-timeColumbia • Maryland • 🇺🇸 United StatesSenior💰 $98,100 - $180,000 per yearWebsite

Tech Stack

Tools & technologies

AnsibleITSMJavaScriptLinuxServiceNowSplunkUnixVMware

About the role

Key responsibilities & impact

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.
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.

Requirements

What you’ll need

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.
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.

Benefits

Comp & perks

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

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

ServiceNowServiceNow IT Service ManagementServiceNow solution architectureprocess automationscriptingLinux/Unix System AdministrationHTMLCSSJavaScriptServiceNow Orchestration

Soft Skills

technical leadershipconsultationproblem resolutioncapacity planningsystem tuninguser requirements analysistraining developmentdocumentationcollaborationcommunication

Certifications

Bachelor’s degreedeveloper nanodegreeDoD 8570 IAT Level 2 (Security+)