NMS ServiceNow Software Designer (IT SD 2) (Government)

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 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. Work to be performed at a government customer site in Chantilly, VA. Description of Job Duties/Responsibilities: • Deploy, administer, develop, and integrate the ServiceNow suite on RHEL and Windows; collaborate with database developers on database 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 10 years. Additional required qualifications include: • Compliance with Department of Defense (DoD) 8140 Information Assurance Technical (IAT) Level 2 (CompTIA Security+). • The candidate must be highly motivated. Able to work independently with both local and geographically diverse team members. Using effective tim