Senior ServiceNow Platform Engineer & CSM Lead

Boston Consulting Group (BCG); Greater London; On-site; GBP 90,000 - 140,000; Full time

Job summary

Boston Consulting Group is seeking a senior ServiceNow Architect to join our Enterprise Services squad, owning the technical “how” for CSM and scoped apps and guiding design decisions. You will design, build, and evolve ServiceNow capabilities with Flow Designer, IntegrationHub, UI Builder, and Performance Analytics, collaborating with engineers, architects, and stakeholders.

This hands-on role requires leadership in design discussions, code reviews, and mentoring, while maintaining alignment

Qualifications

• 8+ years of experience with ServiceNow in complex enterprise environments.
• Senior technical reference for a product or squad, owning end-to-end design decisions.
• Strong hands-on experience with ServiceNow CSM.
• Experience designing scoped applications, including boundaries and lifecycle management through source control.
• Experience in performance, integrations, and overall product reliability (upgrades a plus).
• Proficiency in JavaScript and ServiceNow development, including server and client-side scripting, security and debugging.
• Experience mentoring engineers and establishing engineering standards; ServiceNow certifications preferred (CSA, CAD, CSM, CTA).

Responsibilities

• Design, build, configure, and evolve ServiceNow capabilities, including workflows, integrations, automations, and reporting.
• Own technical decisions and ensure alignment with enterprise architecture, governance, and platform standards.
• Lead code reviews, design discussions, and mentoring to raise the technical bar across the squad.
• Collaborate with engineers, architects, and stakeholders to keep solutions extensible and scalable.
• Manage technical debt and ensure long-term sustainability of the products.

Skills

ServiceNow

JavaScript

Mentoring engineers

Technical storytelling

Agile methodology

Tools

REST

GraphQL

IntegrationHub

UI Builder

Performance Analytics

Job description

Boston Consulting Group is seeking a senior ServiceNow Architect to join our Enterprise Services squad, owning the technical “how” for CSM and scoped apps and guiding design decisions. You will design, build, and evolve ServiceNow capabilities with Flow Designer, IntegrationHub, UI Builder, and Performance Analytics, collaborating with engineers, architects, and stakeholders.

This hands-on role requires leadership in design discussions, code reviews, and mentoring, while maintaining alignment