ServiceNow Software Designer - On-Site NMS Expert

att; Chantilly (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

AT&T Global Public Sector seeks an experienced NMS ServiceNow Software Designer to support a key National Security program. The role requires TS/SCI with polygraph clearance and is based at a government site in Chantilly, VA, with five days on-site.

You will deploy and integrate ServiceNow, design interfaces, and ensure RMF/A&A compliance. Responsibilities include collaboration with project managers, producing documentation, and maintaining dashboards.

Qualifications

• 10 years of experience required, combination of work history and education.
• DoD 8140 IAT Level 2 (CompTIA Security+) certification is required.
• At least 1 year of ServiceNow development/scripting experience (JavaScript) and integration with external systems.
• Experience across ServiceNow lifecycle stages: concept, design, engineering, production, sustainment.
• Experience with Agile/Scrum/SDLC practices and strong communication skills.

Responsibilities

• Deploy, administer, develop, and integrate the ServiceNow suite on RHEL and Windows.
• Work within Agile/Scrum and SDLC processes to plan, build, test, and deliver ServiceNow features.
• Collaborate with Project Managers and Technical Leads to communicate status, risks, and technical challenges; provide estimates and inputs.
• Design and implement integrations between ServiceNow, NSO, GOTS, and other tools using REST/SOAP APIs, IntegrationHub, and MID Server.
• Create and maintain technical documentation (design specs, runbooks, user guides) and provide handoff training.
• Monitor application performance and availability; build dashboards/alerts and remediate issues.
• Implement security hardening and compliance; support RMF authorization and A&A with artifacts and DISA STIG/SCAP benchmarks.
• Support automation of ServiceNow deployments with Ansible, Python, Terraform, PowerShell; develop test/validation scripts.
• Troubleshoot and resolve complex system issues; perform RCA and implement corrective actions.
• Conduct system performance analysis and tuning; execute SDLC tasks within change/release processes.

Job description

AT&T Global Public Sector seeks an experienced NMS ServiceNow Software Designer to support a key National Security program. The role requires TS/SCI with polygraph clearance and is based at a government site in Chantilly, VA, with five days on-site.

You will deploy and integrate ServiceNow, design interfaces, and ensure RMF/A&A compliance. Responsibilities include collaboration with project managers, producing documentation, and maintaining dashboards.