Level 3 Infrastructure Engineer

develop; Milton Keynes; On-site; GBP 54,000 - 72,000; Part time

Job summary

develop is seeking a Level 3 Infrastructure Engineer / Consultant for a nine-month contract, with one day per week in Milton Keynes. You will lead discovery across a hybrid cloud and on-prem estate, document existing systems, and define the future infrastructure roadmap while delivering BAU support.

The role requires hands-on Azure and AWS experience, Windows Server, Linux, VMware, and strong networking knowledge.

Qualifications

• Lead technical discovery across cloud and on‑premise estate.
• Document current systems, architecture, dependencies and services.
• Define retain, replatform, migrate and retire pathways across the environment.
• Develop infrastructure roadmaps and produce HLDs and LLDs.
• Provide technical input into business cases, costs and transformation planning.

Responsibilities

• Design and deliver infrastructure improvements across Azure, AWS and on-premise environments.
• Support cloud migrations, platform rebuilds and legacy infrastructure remediation.
• Provide Level 3 BAU support, root-cause analysis and environment stabilisation.
• Improve resilience, business continuity and operational maturity.
• Support the transition of BAU infrastructure into a future managed service model.

Skills

Azure

AWS

VMware

Windows Server

Linux

Networking

Infrastructure as Code

Terraform

Security hardening

Cloud migration

Tools

VMware vSphere

Job description

Level 3 Infrastructure Engineer / Consultant - 9 month contract - 1 day a week in Milton Keynes - ASAP Start

We are looking for an experienced Level 3 Infrastructure Engineer / Consultant to support a major technology transformation across a complex hybrid cloud and on-premise environment.

You will take ownership of understanding and documenting the existing estate, defining the future infrastructure roadmap and helping deliver the transformation. Alongside this, you will provide senior-level BAU support to improve the stability and resilience of the current environment.

Key Responsibilities

• Lead technical discovery across the existing cloud and on-premise estate.
• Document current systems, architecture, dependencies and services.
• Define retain, replatform, migrate and retire pathways across the environment.
• Develop infrastructure roadmaps and produce HLDs and LLDs.
• Provide technical input into business cases, costs and transformation planning.
• Design and deliver infrastructure improvements across Azure, AWS and on-premise environments.
• Support cloud migrations, platform rebuilds and legacy infrastructure remediation.
• Provide Level 3 BAU support, root-cause analysis and environment stabilisation.
• Improve resilience, business continuity and operational maturity.
• Support the transition of BAU infrastructure into a future managed service model.
• Strong experience across hybrid cloud and on-premise environments.
• Hands-on Azure and AWS experience.
• Strong Windows Server, Linux, VMware and networking knowledge.
• Proven infrastructure discovery, modernisation and transformation experience.
• Experience producing technical roadmaps, HLDs and LLDs.
• Cloud migration, replatforming and infrastructure remediation experience.
• Strong troubleshooting and L3 escalation capability.
• Able to work autonomously and communicate technical recommendations to senior stakeholders.
• Experience within financial services, insurance or another regulated environment.
• Terraform / Infrastructure-as-Code.
• Security and infrastructure hardening experience.
• Experience transitioning services to an MSP / managed service environment.