Senior ServiceNow Developer

Washington, DC

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Type: Contract

Experience: 8

Education: BA

Category: Information Technology

Contractor Work Model: Hybrid

Brand: System One

Compensation Range: 75.00 - 85.00 Per Hour

Job ID: 378625

Date Posted: 08/17/2026

Shortcut: http://jobs.systemone.com/nHtvl0


Job Title: Senior ServiceNow Developer
Role Type: Contract with potential for Contract to Hire
Location: Washington, DC

Work Model: Remote for now - possibly quarterly onsite or potential for future onsite requirements due to change in management candidates MUST be local
Clearance Requirements: Ability to obtain Public Trust prior to start date


System One 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.

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 service
  • 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

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M-2
#LI-CB5
Ref: #851-Rockville-S1

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