Senior Infrastructure Engineer

Harvey Nash; England; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading technology staffing company in London seeks a Senior Infrastructure Engineer to manage enterprise infrastructure with a strong focus on security. This role supports the phased adoption of Microsoft 365 while ensuring high availability of core on-premise technologies. The ideal candidate thrives in a dynamic environment, possesses strong technical skills, and has a genuine interest in technology. This full-time position offers a hybrid work model with a collaborative team dedicated to performance.

Qualifications

• Strong hands-on experience with Microsoft and VMware on-premise environments.
• Microsoft and/or VMware certifications beneficial.
• Exposure to SaaS/security platforms such as CrowdStrike or Okta advantageous.

Responsibilities

• Manage core on-premise Microsoft technologies and support Microsoft 365 adoption.
• Administer Exchange Server ensuring high availability across devices.
• Play an active role in security including email security and penetration testing.

Skills

Microsoft Active Directory

VMware vSphere

Veeam

Exchange administration

Identity platforms

Education

Degree in a technical or engineering discipline

Tools

Microsoft 365

PowerShell

VMware Horizon

Azure

Job description

This range is provided by Harvey Nash. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Direct message the job poster from Harvey Nash

Location – London – Hybrid (4 days onsite per week, 1 day WFH)

I am seeking a Senior Infrastructure Engineer to join a fast‑paced Family Office technology team, responsible for delivering secure, resilient, and high‑performing enterprise infrastructure for a globally mobile user base.

The environment is primarily on‑premise, with a strong focus on security and resilience, alongside a controlled adoption of Microsoft 365.

The ideal candidate understands how systems work end‑to‑end, can clearly explain technical decisions, and thrives in a dynamic environment with changing priorities. A genuine interest in technology beyond the workplace is highly valued.

Key Responsibilities

• Manage core on‑premise Microsoft technologies and support the phased adoption of Microsoft 365
• Administer Exchange Server (PowerShell‑based), ensuring high availability across devices
• Manage VMware vSphere, vSAN, Horizon, and Aria environments
• Oversee backup, recovery, and storage platforms (Veeam, ExaGrid, enterprise storage)
• Play an active role in security, including email security (Mimecast), penetration testing, DR, and business continuity
• Implement best practices for infrastructure operations, patching, monitoring, and lifecycle management
• Deliver white‑glove user support and maintain clear technical documentation
• Ensure SaaS and cloud services are securely deployed and well‑integrated

Qualifications & Experience

• Degree in a technical or engineering discipline preferred
• Microsoft and/or VMware certifications beneficial
• Strong hands‑on experience with Microsoft and VMware on‑premise environments
• Solid storage and backup experience (e.g. Veeam, ExaGrid, vSAN, Dell/Compellent or equivalent)
• Exchange administration experience, including mail flow and SPF/DKIM/DMARC
• Experience with zero‑trust security, MFA, conditional access, and identity platforms desirable
• Exposure to SaaS/security platforms such as CrowdStrike, ThreatLocker, Netskope, or Okta advantageous

Technical Skills

• Microsoft: Active Directory, Group Policy, Windows Server, IIS, DFS, SQL Server, Certificate Services
• VMware: vCenter, ESXi, vSAN, Horizon, DRS, vDS, Aria
• Identity & Security: Entra ID, Okta, AD FS, Conditional Access, Mimecast, CrowdStrike
• Infrastructure & Monitoring: Veeam, ManageEngine, SIEM, SNMP, Syslog
• Networking & Email: DNS, DNSSEC, SPF, DKIM, DMARC, PKI

Please apply!

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Information Technology

Industries

Staffing and Recruiting