NMS ServiceNow Software Designer (IT Software Developer III) (Government)
Chantilly, Virginia
Job Description:
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 anNMS ServiceNow Senior Software Designer: To support a key program in AT&T’s National Security business segment. The NMS IT Software Designer will provide expert knowledge of network management systems, operating systems, commercial software, government software, and full integration of toolsets and servers. 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.
Description of Job Duties/Responsibilities:
- Compliance with Department of Defense (DoD) 8140.03 (8570) Information Assurance Technical (IAT) Level 2.
- Oversee and guide team members in the deployment, administration, development, and integration of the ServiceNow suite of tools on RHEL and Windows operating systems, while facilitating collaboration with database developers on MariaDB requirements.
- Lead the team in utilizing Agile, Scrum, and SDLC methodologies to coordinate, track, and deliver projects efficiently, fostering a culture of continuous improvement and accountability.
- Coordinate closely with Project Managers and Technical Leads, ensuring clear communication of team progress, risks, and technical challenges.
- Direct integration efforts with Cisco Network Services Orchestrator, GOTS, and other enterprise tools, assigning integration tasks and ensuring successful outcomes.
- Oversee the creation and maintenance of technical documentation by the team, ensuring accuracy and completeness for operations users and providing user handoff training as needed.
- Monitor the team’s efforts to maintain IT system and application performance/availability while responding proactively to emerging issues.
- Lead the team in hardening and securing systems, supporting Risk Management Framework (RMF) authorization and accreditation (A&A) efforts, and ensuring all engineered solutions are compliant.
- Guide the automation and orchestration of ServiceNow deployment activities using modern tools and methods (Ansible, Python, Terraform, PowerShell), and mentor the team in best practices for testing, validation, and verification.
- Manage the troubleshooting, diagnosis, and resolution of complex system and service issues, overseeing Root Cause Analysis (RCA) and driving continuous improvement.
- Direct system performance analysis and tuning activities, ensuring solutions are efficiently configured and optimized by the team.
- Lead engineering projects and technical processes through the Systems Development Life Cycle (SDLC), ensuring the team meets deliverables, achieves positive outcomes, and stays within scope and budget.
- Oversee the delivery of well-developed and engineered solutions as deployable packages, ensuring Operations teams can transition solutions to production environments with minimal manual intervention and high success rates.
- Perform additional duties as assigned and needed in a dynamic environment to support evolving business and technical requirements.
Required Clearance: TS/SCI with polygraph. (#ts/sci) (#polygraph)
Required Qualifications: Candidate must have 16 years of experience that can be a combination of work history and education. This equates to a doctorate and 8 years of experience OR a master’s and 10 years OR a bachelor’s and 12 years OR an associate’s and 14 years OR HS and 16 years. Must meet Information Assurance Technical (IAT) Level 2 certification requirements. Additional requirements include:
- Must have at least 5 years of relevant ServiceNow experience that can be a combination of work history, education, and training.
- Must have Certification: ServiceNow Certified System Administrator.
- Must have at least one other advanced ServiceNow certification.
- Team Leadership experience.
- The candidate must be highly motivated. Able to work independently with both local and geographically diverse team members. Using effective time management skills to meet deliverable timelines.
- The candidate must also have experience working within concept, design, engineering, production, and sustainment phases of ServiceNow system development lifecycle.
- Experience with at least one of (Agile, Scrum, SDLC).
- Must be able to work with minimal supervision to perform complex technical tasks and lead others effectively.
- Must be able to process and analyze information and trouble calls submitted by a customer (e.g., system administrator, developer, security specialist), make determinations, and provide and implement solutions.
- Proven experience automating the implementation and configuration of ServiceNow technologies to support large scale enterprise solution deployments and configuration management efforts.
- Hands-on experience with developing, evaluating, assessing, and refining automated testing, validation, and verifications methods.
- Excellent client-facing and internal communication skills.
- Exceptional organizational skills, including attention to detail, multitasking and critical thinking skills.
- Skilled in working within a team environment within a professional office setting.
- Skilled in the ability to focus study and research to rapidly solve specific problems.
- Excellent and clear written documentation skills.
- Excellent self-study to achieve advanced training as required by the team and the program.
- Thrive within a highly dynamic and changing environment while adapting and managing shifting customer priorities.
- Excellent verbal communication skills.
- Working knowledge of Service Now or other ITSM.
- Experience working with Microsoft Office products: Word, Excel, PowerPoint, and Outlook.
- Experience innovating in a collaborative environment.
- Advanced system architecture, design, and integration.
- Experience with databases. Ideally including MariaDB.
- Required Cross platform and integration experience including Windows, Linux, Juniper, and Cisco.
- Demonstrated experience developing and scripting within ServiceNow using languages such as JavaScript, as well as integrating ServiceNow with external systems using Java, Python, Perl, or PowerShell.
Desired Qualifications:
- CompTIA Security+ or equivalent will meet the minimum requirement for the role.
- ISC2 CISSP or equivalent is strongly preferred and exceeds the minimum requirement for this role.
Ready to join our team? Apply today!
Our NMS ServiceNow Software Designer (IT Software Developer III) (Government) earns between $108,000 - $225,000 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 phone
Weekly Hours:
40Time Type:
RegularLocation:
Chantilly, VirginiaIt 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.
Job ID R-89634 Date posted 11/10/2025
Benefits
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- Paid Time Off
- Tuition Assistance
- Medical and dental plans
- Discounts
- Training & Development
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