Senior ServiceNow Developer - SC Clearance Required

IBM
IBM

Software Engineering

Remote

Posted on Oct 28, 2026
Introduction

At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.

You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver solutions that create real business impact. From day one, you’ll work on meaningful, high profile programmes that stretch your skills and accelerate your growth.

We invest heavily in you—supporting continuous learning, in demand skills development, and long term career progression. You’ll thrive in a flexible, inclusive environment that values curiosity, encourages reinvention, and recognises what makes you unique.

We offer:

  • Tools and policies to support your work-life balance from flexible working approaches, sabbatical programs, paid paternity leave, maternity leave and an innovative maternity returners scheme
  • More traditional benefits, such as 25 days holiday (in addition to public holidays), private medical, dental & optical cover, online shopping discounts, an Employee Assistance Program, life assurance and a group pension plan through salary sacrifice.

In this role, you'll work in one of our IBM Consulting FutureNow Centers, where we deliver deep technical and industry expertise to a wide range of public and private sector clients around the world. Our delivery centers offer our clients locally based skills and technical expertise to drive innovation and adoption of new technology.

Your role and responsibilities

As a Senior ServiceNow Developer at IBM, you will provide technical expertise across complex UK public-sector ServiceNow programmes, designing and developing secure, scalable and maintainable solutions. You will work closely with architects, consultants, clients and delivery teams to translate requirements into high-quality ServiceNow solutions aligned with platform best practice and enterprise standards.

You will take ownership of development activities across the ServiceNow platform, providing technical leadership, supporting complex implementations and ensuring solutions are robust, upgrade-safe and fit for purpose.

Key Responsibilities

  • Design, develop and configure ServiceNow solutions across applications, workflows, business rules, client scripts, UI policies, Script Includes and Flow Designer.
  • Develop robust server-side and client-side JavaScript to meet complex business and technical requirements.
  • Design and implement integrations using REST, SOAP, IntegrationHub and other ServiceNow integration technologies.
  • Develop and maintain custom applications, scoped applications, data models, APIs and reusable components.
  • Translate functional and technical requirements into scalable, maintainable and upgrade-safe solutions.
  • Apply ServiceNow development best practices, coding standards and a configuration-first approach, minimising unnecessary customisation.
  • Perform unit testing, debugging, troubleshooting and performance optimisation across ServiceNow solutions.
  • Support deployment activities using appropriate ServiceNow development and release processes, including update sets and source control where applicable.
  • Work closely with architects and technical leads to ensure solutions align with enterprise architecture, security and platform standards.
  • Provide technical input into solution design, technical specifications, estimates and implementation approaches.
  • Support Agile delivery through sprint planning, backlog refinement, development, testing, code reviews and retrospectives.
  • Conduct code reviews and provide technical guidance and mentoring to junior ServiceNow developers.
  • Maintain high-quality technical documentation and support knowledge transfer across development and support teams.
  • Contribute to platform upgrades, technical debt reduction, automation and continuous improvement.
  • Ensure development activities comply with IBM, client and UK public-sector security, governance and compliance requirements.
  • Maintain and comply with UK SC Security Clearance requirements when working on sensitive public-sector programmes.
Required education
None
Preferred education
Bachelor's Degree
Required technical and professional expertise
  • Proven experience as a Senior ServiceNow Developer delivering complex implementations and enhancements.
  • Strong hands-on JavaScript development across Business Rules, Client Scripts, Script Includes, UI Actions, UI Policies and ACLs.
  • Experience with Flow Designer, Workflow, IntegrationHub and ServiceNow automation.
  • Strong experience developing REST/SOAP integrations, APIs and custom applications.
  • Good understanding of ServiceNow platform architecture, data models, security and development best practices.
  • Experience with Update Sets, Source Control, Automated Test Framework (ATF) and ServiceNow deployment practices.
  • Strong troubleshooting, debugging and performance optimisation skills.
  • Experience delivering upgrade-safe, configuration-first solutions with minimal customisation.
  • Experience working in Agile/DevOps environments, including estimation, code reviews, testing and continuous delivery.
  • Ability to translate technical and functional requirements into scalable, maintainable solutions.
  • Strong communication skills and experience working with architects, consultants and client stakeholders.
  • Experience mentoring developers and providing technical leadership.
  • Understanding of UK public-sector security, governance and compliance requirements.
  • UK SC Security Clearance or eligibility to obtain and maintain clearance.

This role is subject to pre-employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS). An additional range of Personal Security Controls referred to as National Security Vetting (NVS) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV).

Preferred technical and professional experience
  • Experience integrating ServiceNow with external systems, using REST/SOAP, IntegrationHub and out-of-the-box integration capabilities.
  • Experience developing and optimising Business Rules, Script Includes, Client Scripts, UI Actions and Flow Designer solutions.
  • Experience with custom/scoped application development, data modelling, APIs and reusable components.
  • Experience optimising workflows, dashboards, reports and platform performance using ServiceNow best practices.
  • Experience supporting post-go-live enhancements, upgrades and technical debt reduction across medium to high-complexity environments.
  • Understanding of ATF, source control, deployment practices and upgrade-safe development.
  • Experience with JavaScript debugging, troubleshooting and code optimisation.
  • Ability to identify opportunities for automation, platform optimisation and continuous improvement.

Desirable Certifications

  • ServiceNow Certified System Administrator (CSA)
  • ServiceNow Certified Application Developer (CAD)
  • ServiceNow Certified Implementation Specialist (CIS)
  • ServiceNow Certified Application Specialist (CAS)
  • ServiceNow Certified Technical Architect (CTA)

ABOUT BUSINESS UNIT

IBM Consulting is IBM’s consulting and global professional services business, with market leading capabilities in business and technology transformation. With deep expertise in many industries, we offer strategy, experience, technology, and operations services to many of the most innovative and valuable companies in the world. Our people are focused on accelerating our clients’ businesses through the power of collaboration. We believe in the power of technology responsibly used to help people, partners and the planet.

YOUR LIFE @ IBM

In a world where technology never stands still, we understand that, dedication to our clients success, innovation that matters, and trust and personal responsibility in all our relationships, lives in what we do as IBMers as we strive to be the catalyst that makes the world work better.

Being an IBMer means you’ll be able to learn and develop yourself and your career, you’ll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

Are you ready to be an IBMer?

ABOUT IBM

IBM’s greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world.

Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we’re also one of the biggest technology and consulting employers, with many of the Fortune 500 companies relying on the IBM Cloud to run their business.

At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it’s time for you to join us on our journey to being a responsible technology innovator and a force for good in the world.

IBM is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

OTHER RELEVANT JOB DETAILS

IBM wants you to bring your whole self to work and for you this might mean the ability to work flexibly. If you are interested in a flexible working pattern, please talk to our recruitment team to find out if this is possible in the current working environment.

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