Service Delivery Engineer

🔒 Confidential Employer
Posted 24 March 2026
LOCATION
Thatcham, Berkshire
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Juniper (Mist) Cisco Networking Firewalls ESX / virtualisation Network Access Control

FULL DESCRIPTION

We’re looking for a skilled and proactive Service Delivery Engineer to join our Managed Services team. This is a senior technical role where you’ll take ownership of service performance, reliability, and continuous improvement across customer environments.

What You’ll Be Doing

  • Proactively monitor and optimise customer platforms to ensure performance, availability, and capacity targets are met
  • Act as the final escalation point for complex incidents, providing advanced troubleshooting and resolution
  • Collaborate with customers and internal teams to drive continuous service improvement
  • Support onboarding and transition of new managed service customers, including setup of monitoring, connectivity, and management tools
  • Review and manage network changes, ensuring compliance with logging, monitoring, and security standards
  • Maintain accurate technical documentation, including diagrams and operational processes
  • Work alongside Account Managers and Sales teams to scope and support new opportunities
  • Provide technical leadership across problem management and complex change activities

What We’re Looking For

Essential Skills & Experience

  • Strong 3rd Line / Infrastructure experience (3–5 years minimum)
  • Experience in a Managed Services environment
  • Expertise in networking technologies including:
  • Juniper (Mist), Aruba, or Cisco (switching, routing, wireless)
  • VLANs, DNS, DHCP, and certificate services
  • Firewalls (Fortinet, Cisco, Palo Alto, Check Point)
  • ESX / virtualisation experience
  • Network Access Control (Cisco ISE / Aruba ClearPass)
  • Familiarity with ITSM tools (e.g. ServiceNow)
  • Confident working directly with customers and senior stakeholders

Desirable

  • Cisco CCNP (or equivalent)
  • ITIL v4 Foundation
  • Knowledge of Cyber Essentials / ISO 27001
  • Experience with Infoblox DDI
  • Experience managing change, problem, and major incidents
  • Security clearance (BPSS or SC)
Sign up free — access 45,000+ UK sponsor-licensed jobs