Senior ServiceNow Platform Lead & Architect

NCC Group; Rijswijk; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Flexible Working

Generous Holiday Allowance

Medicash & Critical Illness Scheme

Pension, Life Assurance & Share Save

Green Car Scheme

Cycle to Work

Special Time Off

Family Planning

Job summary

NCC Group seeks a Senior ServiceNow Developer to lead hands-on development on a heavily customised ServiceNow platform supporting cybersecurity managed services. You will own architectural direction, mentor teammates, and work directly with customers on requirements, escalations, and service impact.

The role demands expert JavaScript, performance-focused development, and a strong ability to balance out-of-the-box configurations with bespoke solutions while ensuring upgradeability and reliability.

Qualifications

• Hands-on ServiceNow development experience, including a minimum of 3 years in complex, heavily customised, multi-application enterprise instances.
• Expert-level JavaScript: strong command of server-side scripting and modern client-side JavaScript.
• Demonstrable experience as the most senior technical developer setting standards, owning code review and architectural decisions, mentoring others.
• Experience delivering ServiceNow within a managed service, MSP or multi-customer environment with direct customer engagement on requirements and escalations.
• ServiceNow CAD and CSA certifications are preferred.
• Experience designing and maintaining integrations (REST, SOAP, OAuth, SSO) with external systems.
• SSDLC practice, secure release management and version control knowledge.

Responsibilities

• Technical Leadership: own architectural direction and standards for the platform.
• Complex Application Development: design and build scoped applications and data models beyond out-of-the-box capabilities.
• Advanced Scripting and JavaScript Engineering: write and optimise server-side and client-side code.
• Customer-Facing Solution Design: translate requirements into technical designs for customers and stakeholders.
• Integrations: build robust REST and SOAP integrations with external systems.
• Platform Health and Upgradeability: manage performance, debt reduction and upgrade impact.
• Code Review and Technical Standards: enforce coding standards and foster team improvement.
• Documentation: create technical specs and runbooks for support and extension.

Skills

ServiceNow development

JavaScript

Technical leadership

Customer engagement

System integration

Education

Bachelor's degree in CS or related field

Tools

ServiceNow platform

Jira

Azure DevOps

Job description

NCC Group seeks a Senior ServiceNow Developer to lead hands-on development on a heavily customised ServiceNow platform supporting cybersecurity managed services. You will own architectural direction, mentor teammates, and work directly with customers on requirements, escalations, and service impact.

The role demands expert JavaScript, performance-focused development, and a strong ability to balance out-of-the-box configurations with bespoke solutions while ensuring upgradeability and reliability.