NMS ServiceNow Software Designer (IT Software Developer III) (Government)

AT&T; Chantilly (VA); On-site; USD 108,000 - 225,000; Full time

Benefits offered by this job

Medical/Dental/Vision coverage

401(k) plan

Tuition reimbursement program

Paid Time Off and Holidays

Paid Parental Leave

Paid Caregiver Leave

Adoption Reimbursement

Disability Benefits

Life and AD&D Insurance

Supplemental benefit programs

EAP

Wellness programs

Employee discounts

Job summary

AT&T Global Public Sector seeks an NMS ServiceNow Senior Software Designer to support a key government program in Chantilly, VA. The role requires hands-on expertise with ServiceNow, Linux, Windows, and database integrations to deliver secure, scalable solutions.

The candidate will lead a team in applying Agile, SDLC, and RMF processes, ensuring compliance, performance, and mission assurance while mentoring junior engineers and coordinating with project managers and technical leads.

Qualifications

• Must meet DoD 8140.03 IAT Level 2 requirements.
• 5 years ServiceNow experience + training.
• At least one additional advanced ServiceNow cert.
• Strong team leadership and independent work capability.
• Experience across concept, design, engineering, production, and sustainment SDLC phases.
• Proven automation in ServiceNow deployments for large-scale environments.
• Excellent documentation and client-facing communication.
• Ability to manage priorities in a dynamic environment.

Responsibilities

• Lead deployment, administration, and integration of ServiceNow on RHEL/Windows.
• Apply Agile, Scrum, and SDLC for project delivery with accountability.
• Coordinate with PMs and tech leads, report risks and progress.
• Direct integration with Cisco NSO, GOTS, and enterprise tools.
• Oversee technical documentation and user handoff training.

Skills

Team Leadership

Strong communication

RMF / DoD IAT2

Agile / Scrum / SDLC

ServiceNow expertise

Windows & Linux admin

Database management (MariaDB)

Automation/Scripting (Python, PowerSSH

Education

16 years experience or advanced degree equivalency

Tools

ServiceNow

Ansible

Python

Terraform

PowerShell

Java

JavaScript

MariaDB

Linux (RHEL)

Windows

Cisco

Juniper

REST APIs

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 an NMS 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.

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:

40

Time Type:

Regular

Location:

Chantilly, Virginia

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.