Defence ServiceNow Architect – Lead Enterprise IT

Hamilton Barnes Associates Limited; United Kingdom; Hybrid; GBP 90,000 - 110,000; Full time

Benefits offered by this job

Hybrid working across UK locations

Work on high-profile Defence projects

Job summary

Hamilton Barnes Associates Limited is recruiting an experienced ServiceNow Architect to deliver enterprise-scale ServiceNow solutions for Defence customers across the UK. You will lead technical design, guide integrations, and mentor teams to ensure robust, scalable architectures.

You will design HLDs/LLDs, drive ITSM transformations, and work with clients in workshops and onsite engagements. A security clearance and UK National status are required, with hybrid UK-location flexibility.

Qualifications

• UK National (No Dual Nationals) is required.
• Eligible for or currently hold SC Security Clearance.
• Minimum of 2 years' experience as a ServiceNow Architect.
• Proven ability to design enterprise-scale ServiceNow solutions and document designs.
• Strong understanding of HLDs/LLDs and both on-premise and cloud ServiceNow environments.
• Experience mentoring developers and leading complex integrations.

Responsibilities

• Design and architect enterprise-scale ServiceNow solutions for Defence customers.
• Produce High-Level Designs (HLDs) and Low-Level Designs (LLDs).
• Lead the technical design and architecture of ServiceNow implementations and transformations.
• Drive ITSM transformation initiatives, including ServiceNow instance consolidation.
• Mentor developers and conduct technical design and code reviews.
• Lead integration design and support complex solution architecture.
• Participate in governance forums and technical steering boards.
• Develop architecture roadmaps and strategic technical direction.
• Support pre-sales and bid activities where required.
• Work closely with clients through workshops and onsite engagements.

Skills

ServiceNow development

Technical design

HLD/LLD

Architectural leadership

Mentoring developers

Integrations

Defence environments

Tools

ServiceNow

Job description

Hamilton Barnes Associates Limited is recruiting an experienced ServiceNow Architect to deliver enterprise-scale ServiceNow solutions for Defence customers across the UK. You will lead technical design, guide integrations, and mentor teams to ensure robust, scalable architectures.

You will design HLDs/LLDs, drive ITSM transformations, and work with clients in workshops and onsite engagements. A security clearance and UK National status are required, with hybrid UK-location flexibility.