ServiceNow Sr. Developer / Tech Lead

Description

Centennial Technologies is seeking a ServiceNow Senior Developer / Technical Lead to support the design, development, and implementation of ServiceNow solutions for federal clients. This role serves as a hands-on technical leader, responsible for guiding development efforts, ensuring best practices, and delivering scalable, high-quality ServiceNow capabilities.

Unlike an Architect, this role is execution-focused, with responsibility for solution implementation, team guidance, and technical quality, rather than enterprise-wide architecture ownership.

Requirements

• Lead the design and development of ServiceNow solutions across modules such as ITSM, ITOM, CSM, HRSD, or custom applications 
•  Translate business and functional requirements into technical solutions and platform configurations 
• Serve as a technical lead for development teams, providing guidance, mentorship, and code reviews 
• Develop and customize ServiceNow applications using: Business Rules, Script Includes, UI Policies, Client Scripts, Flow Designer, IntegrationHub, and Automation workflows 
• Support integration efforts with external systems via REST/SOAP APIs, MID Server, and third-party tools 
• Ensure adherence to ServiceNow best practices, coding standards, and platform governance 
• Participate in Agile/Scrum ceremonies, sprint planning, and backlog refinement 
• Troubleshoot and resolve complex technical issues across the platform 
• Collaborate with architects and stakeholders to align solutions with overall platform strategy 
• Support testing activities, including unit testing, system testing, and deployment validation 
• Contribute to documentation, including technical design documents and implementation guides 

Required Qualifications

• 5–8+ years of experience in ServiceNow development and implementation 
• Strong hands-on experience with: JavaScript, Glide API, ServiceNow scripting, Core ServiceNow modules, (ITSM required; others preferred)
• Experience developing custom applications and workflows on the ServiceNow platform 
• Proven ability to lead development efforts or serve as a technical point of contact 
• Experience with integrations (REST, SOAP, APIs, MID Server) 
• Familiarity with Agile development methodologies 
• Strong problem-solving skills and ability to work in a fast-paced environment 
• Excellent communication skills with both technical and non-technical stakeholders 

Preferred Qualifications

• Experience with additional ServiceNow modules such as: ITOM, CSM, HRSD, SecOps, GRC 
• Experience in federal or public sector environments 
• Familiarity with platform upgrades, releases, and instance management 
• Exposure to DevOps/DevSecOps practices within ServiceNow delivery 
• Experience mentoring junior developers or leading small teams   

Certifications

• ServiceNow Certified System Administrator (required) 
• ServiceNow Certified application Developer (preferred) 
• Additional ServiceNow certifications (e.g., ITSM, ITOM, CSM) are a plus 

Clearance Requirements

• U.S. Citizenship required 
• Ability to obtain and maintain a Public Trust Clearance 

Education

• Bachelor’s degree in Computer Science, Information Systems, or related field (or equivalent experience)

Work Conditions

• Location: Hybrid – At least 4 days onsite in Tysons Corner, VA. 
• Job Type: Full-time 

Benefits and Perks

• Medical and Vision Insurance – Centennial covers 80% of employee and family premium costs, making high-quality healthcare affordable for you and your loved ones. 
• Dental Insurance – 100% employer-paid coverage for employees. 
• Short-Term and Long-Term Disability Insurance – Fully employer-paid, providing financial security and peace of mind. 
• Life Insurance – Company-paid coverage to support you and your family. 
• 401(k) Retirement Plan with Employer Match – A competitive 401(k) retirement plan with employer matching to support      your long-term financial goals. 
• Paid Time Off & Federal Holidays – A generous paid time off program and 11 paid federal holidays that support balance, flexibility, and time to recharge. 
• Metro Reimbursement – Transportation benefits to help offset commuting costs and make getting to work easier and more affordable.

Centennial offers a highly competitive benefits package that protects your family, rewards your future, and supports your work-life balance.

Work Environment and Culture

• Collaborative, respectful, and inclusive culture. 
• Direct access to leadership and decision-makers. 
• Opportunity to work on high-impact federal modernization programs. 
• Recognition programs for outstanding performance and innovation. 

Technology and Innovation

• Exposure to cutting-edge technologies (AI, cloud, data, automation, cybersecurity). 
• Opportunities to contribute to proprietary platforms and innovation labs. 
• Modern tools and environments that support productivity and creativity. 

Why Employees Love Working at Centennial

• Small business agility with enterprise-level impact. 
• Your ideas are heard and implemented. 
• You see the real-world impact of your work in government programs that matter. 
• Strong values: professionalism, focus, integrity, trust, innovativeness, and excellence. 

Equal Opportunity Employer:

Centennial is an equal opportunity employer and complies with all applicable federal, state, and local employment laws.