Senior Infrastructure Engineer

VIQU IT Recruitment; Greater London; On-site; GBP 70,000 - 100,000; Full time

Job summary

VIQU IT Recruitment partners with a leading technology organisation seeking a Senior Infrastructure Engineer to own cloud, network and on-premises infrastructure. This hands-on role covers Azure, networking, security, identity, virtualisation and monitoring, while acting as a senior escalation point and leading infrastructure projects.

You will design, implement and maintain secure Azure infrastructure and networking, lead cloud migration and infrastructure modernisation projects, and manage

Qualifications

• Extensive hands-on cloud, network and on-prem infrastructure experience.
• Strong Azure infrastructure and security experience.
• Experience with enterprise networking (LAN/WAN, VPN, DNS, DHCP, VLAN).
• Familiarity with ISO 27001 controls and audits.

Responsibilities

• Design, implement and maintain secure Azure infrastructure and networking
• Lead cloud migration and infrastructure modernisation projects
• Manage enterprise LAN, WAN, VPN, routing, DNS, DHCP and VLANs
• Administer Sophos and Barracuda firewalls, including VPN and security policies
• Manage Entra ID, including Conditional Access, MFA, RBAC and PIM
• Manage Intune and NinjaOne for endpoint security, patching and automation
• Support Microsoft 365, Mimecast and secure web gateway technologies
• Administer VMware vSphere and NSX environments
• Monitor infrastructure performance, investigate alerts and conduct root cause analysis
• Support vulnerability management, remediation and infrastructure hardening
• Maintain ISO 27001 controls and provide audit evidence
• Lead technical projects, documentation and mentoring across the team

Skills

Leadership

Project management

Documentation

Stakeholder communication

Independence

Tools

Azure

VMware vSphere

NSX

Entra ID

Intune

Mimecast

Microsoft 365

NinjaOne

Sophos

Barracuda

LogicMonitor

PRTG

Job description

VIQU are partnering with a leading technology organisation seeking a Senior Infrastructure Engineer to take ownership of its cloud, network and on-premises infrastructure. This hands-on role covers Azure, networking, security, identity, virtualisation and monitoring, while acting as a senior escalation point and leading infrastructure projects.

Key Responsibilities for Senior Infrastructure Engineer:

• Design, implement and maintain secure Azure infrastructure and networking


• Lead cloud migration and infrastructure modernisation projects


• Manage enterprise LAN, WAN, VPN, routing, DNS, DHCP and VLANs


• Administer Sophos and/or Barracuda firewalls, including VPN, NAT and security policies


• Manage Entra ID, including Conditional Access, MFA, RBAC and PIM


• Manage Intune and NinjaOne for endpoint security, patching and automation


• Support Microsoft 365, Mimecast and secure web gateway technologies


• Administer VMware vSphere and NSX environments


• Monitor infrastructure performance, investigate alerts and conduct root cause analysis


• Support vulnerability management, remediation and infrastructure hardening


• Maintain ISO 27001 controls and provide audit evidence


• Lead technical projects, documentation and mentoring across the team

Key Experience Required for Senior Infrastructure Engineer:

• Senior infrastructure or network engineering experience, ideally within an MSP


• Strong hands-on Azure infrastructure and security experience


• Strong enterprise networking knowledge across LAN/WAN, VPN, routing, DNS, DHCP and VLANs


• Hands-on Sophos and/or Barracuda firewall experience


• Experience with Entra ID, Intune and NinjaOne


• Microsoft 365 and Mimecast experience, with strong email and web security knowledge


• VMware vSphere and NSX experience


• Experience with vulnerability management and infrastructure security


• ISO 27001 experience, including audits and evidence gathering


• Infrastructure monitoring experience, ideally LogicMonitor or PRTG


• Strong technical documentation, communication and stakeholder skills


• Ability to work independently, lead projects and act as a senior escalation point