Sr ServiceNow Developer

Leidos LLC; Washington (District of Columbia); Hybrid; USD 108,000 - 195,000; Full time

Benefits offered by this job

Health and Wellness programs

Income protection

Paid leave

Retirement

Job summary

Leidos is seeking a Senior ServiceNow Developer to lead and optimize our ServiceNow implementation across ITSM, ITOM, ITAM, CMDB, HAM, and CSM. The role demands collaboration with stakeholders, cross-functional teams, and a strong focus on continual service improvements.

Hybrid/remote work is offered, with a preference for candidates local to Washington, DC, and willing to work East Coast core hours. A CSA or similar certification is desirable.

Qualifications

• Bachelor's degree and 8+ years of proven ServiceNow development experience.
• At least 4 years of experience in leading software development projects.
• Hands-on ServiceNow development across multiple modules, especially HAM, CMDB, CSM and HRSD.
• Familiar with ITSM, ITOM, and ITAM.
• Experience with Flow Designer and integrations.

Responsibilities

• Technical Lead: provide guidance and collaborate with clients to deliver high-quality ServiceNow solutions.
• Lead development review and mentor junior staff.
• Gather and document business and system requirements.
• Develop implementation plans, SOPs, and system architectures for deployments.
• Ensure security policies and development best practices are followed.
• Coordinate project team meetings and maintain project documentation.

Skills

ServiceNow development

Agile methodologies

Requirements gathering

Stakeholder communication

Education

Bachelor's degree

Tools

JavaScript/GLIDE

Flow Designer

HTML5/AngularJS/jQuery/CSS

Job description

Leidos is looking for a Senior ServiceNow Developer to support and lead ongoing ServiceNow continuous improvement projects of existing ServiceNow implementation for an enterprise. The successful candidate will be able to adapt to client needs, and to support the implementation of the ServiceNow roadmap. The Senior ServiceNow Developer will collaborate with a diverse workforce within a matrix environment and be able to communicate effectively in obtaining and synthesizing requirements from external stakeholders, while working with the team to build upon the existing ServiceNow foundation. As a Senior ServiceNow Developer, you will play a crucial role in designing, developing, and implementing solutions within the ServiceNow platform. You will be responsible for maintaining and performing continual service improvements on the following implemented modules: ITSM, ITOM, ITAM, CMDB, HAM, CSM. This position is hybrid / remote. However, candidates must be willing to work east coast core work hours and "MUST BE" local to Washington, DC area and may be required to work onsite at times.

Qualifications

• Bachelor's degree and 8+ years of proven experience as a ServiceNow Developer with strong understanding of the platform’s architecture and capabilities.
• May consider additional years of experience in lieu of a degree.
• At least 6 years of experience with design, development and support.
• At least 4 years of experience in leading software development projects.
• Must have hands on ServiceNow development experience across multiple modules in particular experience with Hardware Asst Management (HAM), Configuration Management Database (CMDB), Customer Service Management (CSM) and HR Service Delivery (HRSD).
• Familiar with ITSM, ITOM, and ITAM.
• Shows initiative, presents ideas to overcome challenges, self-starter.
• Positive attitude, willingness to learn and team-oriented.
• Exceptional communication and organizational skills.
• Support development in Agile framework.
• Actively participate in agile daily scrums and ceremonies, updating stories daily in ServiceNow documenting development progress and collaborating across platform teams.
• Hands-on experience with ServiceNow custom-scoped application development.

Responsibilities

• Technical Lead: Exhibits exceptional customer service and teamwork, collaborating effectively with clients and vendors to achieve mission success while maintaining a strong commitment to delivering high-quality products and services. Effectively conveys key ideas and gathers actionable feedback from cross-functional team members and stakeholders. Demonstrates strong creativity, collaboration, and the ability to communicate with clarity and impact. Identifies risks and challenges, performs qualitative and quantitative analyses, evaluates alternatives, and provides well-informed recommendations.
• Lead Development review process and provide technical guidance and support to junior and mid-level staff.
• Gather and document business and system requirements.
• Support in the development of use cases and testing procedures, ensuring product functionality, debugging and testing is completed prior to production deployment.
• Coordinate and lead project team meetings with technical staff and other key stakeholders.
• Develop implementation plans, SOP, system architecture for all project deployments.
• Assist in the architecture, design, management, and implementation of ServiceNow.
• Prepare IT to project status reports and presentations by collecting, analyzing, and summarizing information and trends.
• Maintains project documentation repository.
• AI experience: Now Assist, third-party LLM API’s, Automatic test framework Development: Demonstrated experience working on large-scale projects in diverse team environments with a focus on ServiceNow tools and techniques, including experience with JavaScript/GLIDE, HTML5, Angular JS, jQuery and CSS. Design, configure, and implement environments for applications, engineer suitable release management procedures, and provide production support.
• Design, create and configure Business Rules, UI Policies, UI Actions, Client Scripts and ACLs including advanced scripting.
• Design and develop automation workflows, perform unit tests, and conduct reviews to make sure work utilizes coding standards and best practices for platform performance, and assess the overall quality of delivered components.
• Experience using Flow Designer.
• Integration experience.
• Collaborate with team on software design, to provide accurate work estimates and implementation of new features including interfaces, contracts with storage system, and data transformation.
• Liaise with other development, infrastructure, and operations teams.
• Ensure that all security policies and practices are adhered to as part of development.
• Ensure all development is created in alignment with ServiceNow Technical Best Practices.

What Sets You Apart

• Experience integrating ServiceNow with external systems
• Familiarity with organizational change management
• Ability to support multiple projects simultaneously
• Experience with Okta and SSO technologies
• Ability to obtain public trust clearance prior to start date.
• Active ServiceNow Certified Systems Administrator (CSA) Certification or the ability to obtain certification within 3 months of hire date.

You Might Also Have

• ServiceNow Certified Application Developer Certification
• ServiceNow Certified Implementation Specialist Certification
• ITIL v3 Foundations Certification
• Project management experience

About Leidos

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that provide them with an opportunity to thrive, professionally and personally. For us, helping you grow your career is good business. 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: July 14, 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 $107,900.00 - $195,050.00 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.

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.

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.

Securing 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.