Senior Network Engineer — IT/OT, SD‑WAN/SASE, Remote

Hamilton Barnes Associates Limited; Scotland; Hybrid; GBP 73,800 - 92,250; Full time

Job summary

Hamilton Barnes Associates Limited is seeking a Senior Network Engineer to support a fast-paced enterprise network programme. This role involves stabilising and improving a complex hybrid network with a focus on Cisco infrastructure, SD-WAN, SASE, and IT/OT integration.

The successful candidate will resolve high-priority connectivity issues and provide operational improvements while working with cross-functional teams. The position offers an attractive pay rate.

Responsibilities

• Assess and stabilise existing Cisco network & SD-WAN estate.
• Support or accelerate SASE/Zero Trust rollout.
• Improve IT/OT network segmentation and security posture.
• Resolve high-priority network and connectivity issues.
• Provide clear documentation and operational improvements.
• Work closely with infrastructure and security teams on delivery.

Skills

Strong Cisco enterprise networking experience (routing, switching, security)

SD-WAN implementation/support (Cisco SD-WAN preferred)

SASE architecture exposure

Zero Trust networking principles

IT/OT integration experience

Strong troubleshooting across WAN, LAN, and security layers

Tools

Zscaler

Prisma Access

Cisco Umbrella

Network automation (Python/Ansible/API-driven config)

Job description

Hamilton Barnes Associates Limited is seeking a Senior Network Engineer to support a fast-paced enterprise network programme. This role involves stabilising and improving a complex hybrid network with a focus on Cisco infrastructure, SD-WAN, SASE, and IT/OT integration.

The successful candidate will resolve high-priority connectivity issues and provide operational improvements while working with cross-functional teams. The position offers an attractive pay rate.