ServiceNow Developer

The Leidos Security and Engineering Programs (SEP) is seeking a hybrid ServiceNow Developer and ServiceNow Systems Administrator for the Center for Information Systems Security (CISS) program. The split of time between roles will vary based on requirements. This position requires the ability to work flexible hours in Chantilly, VA with as-needed travel to Washington DC or Alexandria, VA (under 25%).

Work Schedule is as follows:

Monday thru Friday: 6AM-2:30PM

Primary Responsibilities:

Maintain, support, and troubleshoot an on-prem production ServiceNow instance. Work with customers and end users to develop solutions for requested enhancements in development and sandbox environments before migrating to production. Assist with instance upgrades, including changes to licensing based off requirements and growth. Collaborate with team lead to create roadmap with timelines for project management and reporting purposes. Provide Linux and related systems support to maintain and upgrade ITSM backend/infrastructure. Assist with implementation of program and best-practice security requirements.

Basic Qualifications:

• BS degree and 4 – 8 years of prior relevant experience or Masters with 4+ years of prior relevant experience. A High School diploma with an additional 2 years’ relevant experience may be considered in lieu of a degree.
• Top Secret security clearance.

Technical Requirements:

•Relational databases: Clear understanding of ServiceNow data schemas, table relationships, and dot-walking.

•Web development basics: Foundational knowledge of HTML, CSS, and XML

•Scripting & logic: Write and debug clean JavaScript for Client Scripts, Business Rules, and Script Includes.

•Linux experience: Ability to support and upgrade the Linux ITSM platform backend.

ServiceNow Platform Knowledge:

•Platform configuration: Modify tables, forms, lists, UI Polices/Actions, and Access Control Lists (ACLs).

•Process automation: Build and maintain cross-module workflows using Flow Designer and Workflow Editor.

•System administration: Experience with User administration, Groups, and Roles.

•Reporting: Create and share standard dashboards and platform reports.

•Instance hygiene: Understand how to capture changes using Update Sets.

•Generalist development: Support, configure, and customize features across multiple modules including ITSM and custom applications.

•On-prem platform upgrade and patching experience.

Soft Skills & Delivery:

•Adaptability: Willingness to pivot quickly between different platform modules and diverse business requests.

•Requirements translation: Ability to turn basic business requests into functional platform configurations.

•Problem solving: Troubleshoot basic platform errors and user issues.

•Communication: Ability to gather requirements from non-technical stakeholders.

•Assist with the design and implementation with business process requirements.

Couse Completion:

•ServiceNow Fundamentals course

•IAT II Certification

•One of the following active certifications or the ability to obtain within three months of hire: ServiceNow Certified Application Developer, ServiceNow Certified System Administrator, ServiceNow Certified Implementation Specialist, or other ServiceNow certification.

Preferred Qualifications:

•ITIL v3/v4 Foundations Certification

•ServiceNow API experience, such as REST and SOAP

•Experience with ServiceNow on-prem.

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.

Original Posting:

September 10, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.