Senior Infrastructure Engineer

Context Recruitment; England; On-site; GBP 72,000 - 88,000; Full time

Job summary

A leading construction engineering firm is seeking a Senior Infrastructure Engineer in Central London with a salary of up to £80k. The successful candidate will oversee core infrastructure, support LAN/WiFi configurations, and manage firewall operations. Key skills include Azure infrastructure management and experience with the Microsoft tech stack. This is a full-time position suited for those at a mid-senior level, offering the chance to join an organization with ambitious growth plans.

Qualifications

• Strong knowledge of Azure infrastructure management.
• Strong LAN and WiFi network understanding with troubleshooting abilities.
• Excellent communication skills with a proactive approach.

Responsibilities

• Support and oversee core infrastructure and networking.
• Coordinate with third-party MSPs for network implementation.
• Manage firewall operations and connectivity.

Skills

Azure infrastructure management

LAN and WiFi network understanding

Communication skills

Tools

Microsoft tech stack (Windows Server, Azure AD, Exchange 365, PowerShell)

FortiGate Firewalls

Job description

Base pay range

Central London

Up to £80k

Leading, well-established construction engineering business is seeking a Senior Infrastructure Engineer.

You will support and oversee core infrastructure and networking, working closely with managed service providers to ensure seamless operations and business continuity whilst taking a lead on regular site set‑ups.

You’ll be joining at a critical time as the organisation expands its technical capability, with ambitious growth plans and multiple acquisitions planned every year for the next 5 years (8 in the past 12 months).

Key Responsibilities

• Strong experience of the Microsoft tech stack; Windows Server, Azure AD / Entra, Exchange 365, Purview, PowerShell.
• Act as an escalation point for the Service Desk Team
• Assist in set up and configuration of LAN environments (particularly in regard to basic firewall configs), including hardware deployment and support
• Coordinate with third‑party MSPs for network and infrastructure implementation and ongoing management
• Manage firewall operations and connectivity with ISPs
• Oversee network IP addressing and VPN setups
• Support business continuity through proactive incident management
• Maintain inventory and configuration records for infrastructure and software
• Support software licensing and upgrades
• Support data privacy and security audits

Requirements

• Strong knowledge of Azure infrastructure management
• Strong LAN and WiFi network understanding (ability to configure / troubleshoot to a reasonable level and manage). While not an absolute requirement, a CCNA or CCNP (or equivalent knowledge), would be beneficial
• Experience with FortiGate Firewalls would be highly beneficial
• Excellent communication skills with a proactive and self‑motivated approach

Seniority level

Mid-Senior level

Employment type

Full‑time

Job function

Information Technology

Industries

Engineering Services, Construction, and IT Services and IT Consulting