ServiceNow Senior Software Designer

Responsibilities

• Lead systems engineering and architecture for the ServiceNow ecosystem on RHEL and Windows to support AT&T’s National Security business segment.
• Architect end-to-end platform capabilities, translating stakeholder requirements into technical roadmaps and implementation plans.
• Define and evolve the program’s technical architecture, advising leadership on trade-offs, risks, and investment priorities.
• Apply Agile, Scrum, and SDLC practices to plan, decompose, and track engineering work.
• Engineer and integrate solutions with Cisco NSO, GOTS, and other enterprise systems.
• Design and implement monitoring, observability, and automation strategies using tools like Ansible, Python, Terraform, and PowerShell.
• Direct the diagnosis and resolution of complex system-of-systems issues through Root Cause Analysis (RCA).
• Ensure all designs and operations comply with DoD 8140.03 (8570) IAT Level 2 requirements.

Requirements

• Active TS/SCI with Polygraph.
• 12-16 years of relevant professional experience (depending on education level).
• ServiceNow Certified System Administrator (CSA) certification.
• At least one additional advanced ServiceNow certification.
• Minimum of 5 years of relevant ServiceNow experience.
• IAT Level 2 certification.
• Proven experience with MariaDB and database management.
• Experience working across Linux (RHEL) and Windows platforms.
• Proficiency in scripting languages such as JavaScript, Python, or PowerShell for ServiceNow integration.

Preferred Qualifications

• ISC^2 CISSP or equivalent certification.
• Experience with Cisco or Juniper networking environments.

Benefits

• Competitive compensation packages.
• Health and Wellness programs.
• Income Protection.
• Paid Leave and Retirement plans.

About the Company

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, Leidos employs 47,000 global employees dedicated to solving the world's most complex challenges.