Lead ServiceNow Developer

General information

Requisition #

R71236

Locations

USA-VA-Herndon

Posting Date

10/07/2026

Security Clearance Required

None

Remote Type

Hybrid

Time Type

Full time

Description & Requirements

Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now-be extraordinary at MANTECH!

MANTECH seeks a motivated, career and customer-oriented Lead ServiceNow Developer to serve as the technical authority for our internal enterprise ITSM environment in Herndon, VA. This is a hybrid position.

This role focuses on hands-on custom development and complex enterprise system integrations to ensure seamless interoperability across MANTECH's internal IT ecosystem.

Responsibilities include but are not limited to:

• Diagnosing and resolving platform performance bottlenecks, integration failures, and legacy code issues.
• Collaborating with the Product Manager and enterprise infrastructure/security teams to execute technical requirements according to ServiceNow best practices.
• Architecting, designing, and building secure, scalable integrations between ServiceNow and enterprise systems using REST, SOAP, Integration Hub, MID Servers, and custom web services.
• Leading complex script development using JavaScript, Script Includes, Business Rules, Client Scripts, Flow Designer, and Service Portal components.
• Providing technical guidance, code reviews, and architectural oversight to mid- and junior-level developers on the team.
• Maintaining system baselines and configuration management items to align with enterprise architecture standards.
• Recommending, and when approved, implementing process and policy improvements across the ServiceNow platform.

Minimum Qualifications:

• Bachelor's degree in Computer Science, Software Engineering, or a related technical field.
• 6+ years of hands-on ServiceNow development experience, with at least 2 years in a technical lead role.
• Proven experience designing and implementing complex enterprise integrations using Integration Hub, Webhooks, API endpoints, and OAuth.
• Advanced proficiency in JavaScript, HTML/CSS, JSON/XML, and relational database concepts.
• ServiceNow Certified Application Developer (CAD) certification.
• Experience working across a large team to drive technical agenda and managing complex, intertwined systems and data flows.

Preferred Qualifications:

• ServiceNow Certified Implementation Specialist (CIS) in one or more ITSM modules.
• Experience with automated testing tools (ATF) and DevOps pipeline integrations.
• Experience creating, maintaining, and communicating complex information technology documentation.
• Self-starter with excellent people skills to work across teams and drive change throughout an organization.

Clearance Requirements:

• U.S. Citizen

Physical Requirements:

• Must be able to remain in a stationary position 50%.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $128,800.00-$214,500.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.