NMS ServiceNow Software Designer (IT SD3) (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 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. Work to be performed at a government customer site in Chantilly, VA.   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 database 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, COTS, 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 hist