NMS ServiceNow Software Designer (IT SD II) (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 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:
- Deploy, administer, develop, and integrate the ServiceNow suite on RHEL and Windows; collaborate with database developers on MariaDB connectivity, schema, and performance requirements.
- Work within Agile/Scrum and SDLC processes to plan, build, test, and deliver ServiceNow features; participate in stand-ups, sprint planning, reviews, and retrospectives.
- Collaborate with Project Managers and Technical Leads to communicate status, risks, and technical challenges; provide estimates and technical inputs.
- Design and implement integrations between ServiceNow, Cisco Network Services Orchestrator (NSO), GOTS, and other enterprise tools using REST/SOAP APIs, IntegrationHub, and MID Server.
- Create and maintain technical documentation (design specs, runbooks, user guides) and support user handoff training when required.
- Monitor application performance and availability; build dashboards/alerts and proactively remediate issues.
- Implement security hardening and compliance controls; support RMF authorization and accreditation (A&A) by producing artifacts, remediating findings, and applying DISA STIG/SCAP benchmarks and customer-specific requirements.
- Support the automation of ServiceNow deployments and related tasks by contributing to the development of scripts using Ansible, Python, Terraform, and PowerShell; assist in creating test, validation, and verification scripts.
- Troubleshoot and resolve complex system and service issues; perform and document Root Cause Analysis (RCA) and implement corrective actions.
- Conduct system performance analysis and tuning to optimize configurations and throughput.
- Execute engineering tasks across the SDLC, adhering to change/release processes and delivering within scope and schedule.
- Package and deliver well-engineered solutions for Operations to deploy to production with minimal manual steps and a high success rate.
- Perform additional duties as assigned 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 10 years of experience that can be a combination of work history and education. This equates to a Doctorate and 3 years, master’s and 4 years, bachelor’s and 6 years, associates and 8 years or HS diploma and 10years. Additional required qualifications include: Compliance with Department of Defense (DoD) 8140 Information Assurance Technical (IAT) Level 2.
- 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.
- Must have at least 1 year of relevant ServiceNow experience that can be a combination of work history, education, and training.
- 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 work with 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.
- Strong communication skills for working effectively with clients and team members.
- Strong organizational skills, including attention to detail, multitasking and critical thinking skills
- Skilled in working within a team environment within a professional office setting.
- Thrive within a highly dynamic and changing environment while adapting and managing shifting customer priorities.
- Strong written and verbal communication skills.
- Working knowledge of Service Now or other ITSM platforms.
- Experience working with Microsoft Office products: Word, Excel, PowerPoint, and Outlook.
Desired Qualifications:
- Certification: ServiceNow Certified System Administrator.
- Cross platform and integration experience. Windows, Linux, Android, Juniper, and Cisco.
- 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.
- Experience with databases including MariaDB.
Ready to join our team? Apply today!
Our NMS ServiceNow Software Designer (IT Software Developer II) (Government) earns between $98,100 - $200,000 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-89638 Date posted 11/10/2025
Benefits
Your needs? Met. Your wants? Considered. Take a look at our comprehensive benefits.
- Paid Time Off
- Tuition Assistance
- Medical and dental plans
- Discounts
- Training & Development
Our hiring process
Apply Now
Confirm your qualifications align with the job requirements and submit your application.
Assessments
You may be required to complete one or more assessments, depending on the role.
Interview
Get ready to put your best foot forward! More than one interview may be necessary.
Conditional Job Offer
We’ll reach out to discuss a conditional job offer and the next steps to joining the team.
Background Check
Timing is important – complete the necessary actions to proceed with onboarding.
Welcome to the Team!
Congratulations! It’s time to experience #LifeAtATT.
Check your email (and SPAM) throughout the process for important messages and next steps.
Connect today
Didn’t find what you were looking for here? Sign up for our job alerts so we can connect and share the latest.