Sr. NMS ServiceNow Software Designer

Leidos; Chantilly (VA); On-site; USD 131,000 - 237,000; Full time

Job summary

Leidos in Chantilly, VA is seeking a Sr. NMS ServiceNow Software Designer to lead the ServiceNow suite deployment on RHEL and Windows, coordinate with DBAs, and apply Agile and SDLC practices.

You will mentor a team, ensure security and RMF/A&A compliance, automate deployment with Ansible, Terraform, PowerShell, and deliver production-ready solutions with thorough documentation.

Qualifications

• 16 years of experience or combination of work history and education
• Must meet IAT Level 2 certification (CompTIA Security+)
• At least 5 years of ServiceNow experience with ServiceNow Certified System Administrator
• At least one other advanced ServiceNow certification
• Experience scripting/developing within ServiceNow using JavaScript and integrating with Java/Python/PowerShell
• Strong team leadership, architecture, and integration skills
• Experience with Agile, Scrum, SDLC
• Ability to work with minimal supervision and multi-task in dynamic environment
• Experience with automation/testing/validation of ServiceNow implementations
• Excellent documentation and client-facing communication skills

Responsibilities

• Oversee deployment, administration, development, and integration of ServiceNow across RHEL and Windows
• Guide team using Agile, Scrum, and SDLC methodologies to deliver projects
• Direct integration with Cisco NSO and other enterprise tools; coordinate with PMs and tech leads
• Mentor team on testing, validation, and verification; ensure robust documentation and user handoff
• Secure systems, support RMF authorization and accreditation, and optimize performance

Skills

ServiceNow

JavaScript

Java

Python

PowerShell

Ansible

Terraform

SDLC

Agile/Scrum

RMF/A&A

Tools

ServiceNow

Cisco NSO

MySQL/MariaDB

Windows

Linux

Job description

Leidos has an opening for an Sr. NMS ServiceNow Software Designer: To support a key program in Leidos' National Security business segment. The Sr. 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.

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.

Requirements

Required Clearance at the time of application: TS/SCI with poly 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 (CompTIA Security+) 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.
• 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.
• Team Leadership experience.
• Advanced system architecture, design, and integration.
• 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.
• Exceptional organizational skills, including attention to detail, multitasking and critical thinking skills.
• Skilled in working within a team environment within a professional office setting.
• Experience innovating in a collaborative environment.
• Skilled in the ability to focus study and research to rapidly solve specific problems.
• 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.
• Strong internal and client‑facing communication skills, backed by clear technical documentation and professional verbal delivery.
• Strong foundational understanding of RDBMS (MySQL/MariaDB/RaptorDB) and SQL to collaborate effectively with Enterprise DBAs on schema design, custom indexing, data archiving, and platform performance tuning.
• Required Cross platform and integration experience including Windows, Linux, Juniper, and Cisco.
• Experience working with Microsoft Office products: Word, Excel, PowerPoint, and Outlook.
• CompTIA Network+ or network background equivalent is desired.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Pay Range $131,300.00 - $237,350.00

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers.

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement

More details are available here.

Pay and Benefits

Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement.

Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026.

For more information, visit www.Leidos.com.

Secure Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.