Senior Infrastructure Engineer

Senior Infrastructure Engineer - Central London

£550 - £600 p/d (outside IR35)

3 month initial term

A leading construction engineering business is seeking a Senior Infrastructure Engineer to join their team.

They are a well-established business about to enter a period of considerable operational change, including merger and acquisition activity, making it an exciting time to join and be part of their journey.

Reporting into the Infrastructure Manager, you will oversee core infrastructure and networking.

You'll work closely with managed service providers to ensure seamless operations and business continuity, whilst taking a lead on regular site set-ups and supporting infrastructure integration across newly acquired entities.

Key Responsibilities:

, Lead and manage office and site networks, aligning with business strategy

, Act as an escalation point for the Service Desk Team

, Set up and configure Local Area Networks (LANs), including hardware deployment and support

, Coordinate with third-party MSPs for network and infrastructure management

, Manage firewall operations and connectivity with ISPs

, Oversee network IP addressing and VPN setups

, Support business continuity through proactive incident management

, Rapid deployment of site connectivity solutions, including 4G routers

, Monitor network health and performance, ensuring high availability and resilience

, Maintain inventory and configuration records for infrastructure and software

, Collaborate with the Security Operations Center on network security

, Support software licensing and upgrades

, Support data privacy and security audits

, Maintain server rooms and ensure operational efficiency

, Develop and implement business processes and documentation

, Support M&A activity, including infrastructure due diligence, integration planning and execution

, Lead tenant-to-tenant migrations (e.g., Microsoft 365/Azure), ensuring minimal disruption to business operations

, Assist with onboarding newly acquired businesses, including network integration, identity consolidation and systems alignment

Requirements:

, Strong knowledge of Azure infrastructure management

, Strong in network protocols (TCP/IP, DHCP, DNS, etc.); ideally candidates must hold a CCNA/CCNP etc.

, Experience with FortiGate Firewalls and Windows Operating Systems

, Familiarity with WAN, LAN, VPN and wireless networks

, Proven experience supporting M&A activities, including tenant-to-tenant migrations and infrastructure integration

, Experience with Microsoft 365 migrations, Azure AD/Entra ID and hybrid environments is highly desirable