Service Now Developer

00070949991

Date published Oct 21 2026
Location London,UK-250 W George St / United Kingdom
Job category Digital
Work model Hybrid

About the Role

We are seeking a hands-on ServiceNow Developer to build, integrate and support telecom solutions across TSM, TSOM, CSM, ITSM and CMDB/CSDM.

Key Responsibilities

· Configure and develop ServiceNow solutions and telecom service-assurance workflows.

· Develop Business Rules, Script Includes, Client Scripts, UI Policies, ACLs and notifications.

· Build workflows and integrations using Flow Designer, IntegrationHub and REST/SOAP APIs.

· Support CMDB/CSDM, CI relationships, IRE, Discovery, Service Mapping and data migration.

· Perform unit testing, resolve defects and support SIT, UAT, releases and hypercare.

· Maintain Jira stories and technical documentation while following ServiceNow development standards.

Mandatory Skills and Experience

· Strong ServiceNow development, JavaScript and Glide API experience.

· Experience in TSM, TSOM, CSM, ITSM, ITOM or CMDB/CSDM.

· Experience with Flow Designer, IntegrationHub, REST/SOAP, Import Sets and Transform Maps.

· Understanding of CMDB, CSDM, IRE, testing and deployment.

· Good Agile, Jira, communication and documentation skills.

Desirable Experience

· Telecom or fibre-network experience, preferably with TSM/TSOM and service assurance.

· Exposure to TM Forum APIs, OSS/BSS integrations, Discovery, Service Mapping or platform migration.

Preferred Certifications

· ServiceNow CSA or CAD; relevant CIS certification is desirable.

About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.

Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.

Benefits that help you thrive and grow

Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.

a blue line drawing of a plant with leaves

Financial wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

Physical and mental health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more.

Build The Career You Want Midnight Blue RGB

Your career, your way

With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.

Making A Meaningful Impact Midnight Blue RGB

Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Your path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

a person sitting at a desk typing on a laptop

Step 1: Apply to the right opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

a person holding a tablet and talking on the phone

Step 2: Connect with your recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

a person and person standing in front of a window

Step 3: Show off your skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

a group of people sitting around a table

Step 4: Decision time

Our team will then review each candidates’ potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us—but you can count on us to keep you updated.

Cognizant has given me the opportunity to thrive as a leader and as a person. The culture of recognition, the great benefits and the sense of community motivate me, and I strive to give my best every day.

Cognizant has one of the best learning ecosystems you can ask for. From sponsored certifications to training platforms to mentorship, we have all that we need to grow.

I have the privilege of working with an amazing, diverse team with loads of international experience. It’s inspiring when we all bring our different thinking, skills and experience together to deliver great things.

Change region

Americas

India

Europe, Middle East, and Africa

Asia Pacific and Japan