Senior ServiceNow Developer

Service Now Senior Developer is responsible for designing, developing, and implementing solutions within the Service Now platform to address business needs and improve workflow efficiency. You will collaborate with cross-functional teams to gather requirements and translate them into technical solutions by customising and configuring Service Now applications, modules, and workflows.

Service Now Developers also integrate Service Now with other systems and applications, ensuring the platform’s stability, security, and scalability. Key responsibilities include development, testing, debugging, troubleshooting, and ongoing support and maintenance of Service Now applications and integrations.

Please note that “Castle Water” Service Now version is not an Out of the Box but a heavily customised version.

• Competitive salary: £65,000 – £70,000 per year
• Company pension, life insurance and sick pay
• Cycle-to-work scheme and on-site parking
• Monday to Friday schedule, so your weekends are all yours

· Design, develop, and implement Service Now solutions to meet business requirements.

· Customise and configure Service Now applications, modules, and workflows.

· Develop and maintain Service Now integrations with other systems and applications.

· Collaborate with cross-functional teams to gather requirements and translate them into technical solutions.

· Perform testing, debugging, and troubleshooting of Service Now configurations and customisations.

· Ensure the Service Now platform’s stability, security, and scalability.

· Provide first and second line of support and maintenance for Service Now applications and integrations.

· Participate and present in meetings with Key Company Stakeholders.

· Keep abreast of Service Now platform updates, new features, and best practices.

· At least 2 years of practical and proven experience with the following Service Now modules: CSM, FSM, SPM

· At least 1 year of proven experience with Service Now ITSM module

· Experience with Service Now integrations using web services (REST, SOAP), MID Servers, and other integration methods.

· Certified Application Developer (minimum 2 years’ experience)

· Certified Service Now Administrator

· Bachelor’s degree in Computer Science, Information Technology, or related field.

Not mandatory but beneficial:

Not mandatory but beneficial:

• a. Knowledge of database concepts and SQL.

Castle Water is redefining the utilities sector as one of the fastest-growing and most successful companies in the UK. Guided by our core values of fairness, transparency, tenacity and being supportive, we deliver outstanding service to a diverse range of customers, including some of the UK’s largest companies and public sector organisations.

We believe in putting people first. Whether it’s creating positive interactions with our customers or fostering a supportive workplace culture, our commitment to fairness and transparency ensures we build lasting relationships with our customers.

With over 20,000 5-star Trustpilot reviews, our reputation is built on trust and excellence. We tackle every challenge with tenacity and a dedication to doing what’s fair and right.

Our head office in Blairgowrie, Perthshire, is located within easy reach of Perth and Dundee. As a company embedded in the local community, we actively participate in events that reflect our supportive values. We also have offices in Brentford, London, and Ayr, offering plenty of opportunities to join our growing team.

If you’re looking for company that’s dynamic, forward-thinking and values-driven, Castle Water is the place for you.

We’re committed to making the process as smooth and accessible as possible. If you need any additional support or reasonable adjustments, please let us know. You can reach us by calling or emailing

• 2026
• Castle Water Careers. All rights reserved.