Senior Infrastructure Engineer

context recruitment; City Of London; On-site; GBP 68,000 - 80,000; Full time

Job summary

A well-established construction engineering firm in central London seeks a Senior Infrastructure Engineer to oversee their core infrastructure and networking. You will manage site networks and coordinate with service providers to ensure business continuity while growing with ambitious plans. Candidates should have strong Azure infrastructure and network protocol knowledge. The position initially requires 4 days onsite, reducing to 3 after 3 months.

Qualifications

• Strong knowledge of Azure infrastructure management.
• Strong in network protocols (TCP/IP, DHCP, DNS).
• Experience with FortiGate Firewalls and Windows OS.
• Familiarity with WAN, LAN, VPN, and wireless networks.

Responsibilities

• Lead and manage office and site networks.
• Act as an escalation point for the Service Desk Team.
• Set up and configure Local Area Networks (LANs).
• Coordinate with third-party MSPs for network management.
• Manage firewall operations and ISP connectivity.
• Oversee network IP addressing and VPN setups.
• Support business continuity through incident management.
• Deploy site connectivity solutions, including 4G routers.
• Monitor network health and ensure high availability.
• Maintain inventory and configuration records.
• Collaborate with the Security Operations Center (SOC).
• Support software licensing and upgrades.
• Support data privacy and security audits.
• Provide technical support and mentoring.
• Maintain server rooms for operational efficiency.
• Develop and implement business processes.

Skills

Azure infrastructure management

TCP/IP, DHCP, DNS protocols

FortiGate Firewalls

Windows Operating Systems

WAN, LAN, VPN management

Job description

Senior Infrastructure Engineer

Central London

Up to £80k

Well-established, highly profitable construction engineering business is seeking an experienced Senior Infrastructure Engineer to join them on a permanent basis. 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).

Reporting into the IT Operations 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.

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 (SOC) on network security
• Support software licensing and upgrades
• Support data privacy and security audits
• Provide technical support and mentoring
• Maintain server rooms and ensure operational efficiency
• Develop and implement business processes and documentation

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

4 days per week onsite initially, dropping to 3 days after 3 months.