Senior Infrastructure Engineer

Vertex it Solutions; Greater London; Hybrid; GBP 65,000 - 85,000; Full time

Job summary

A leading IT services company is seeking a Senior Infrastructure Engineer to design and maintain its global IT infrastructure, based in London. The role requires extensive experience with Microsoft technologies, cloud environments, and security management. Key responsibilities include managing hybrid cloud services, ensuring infrastructure security, and mentoring junior engineers. This 12-month fixed-term contract offers a potential for permanency and includes one remote workday per week.

Qualifications

• Extensive experience in a senior infrastructure engineering role, preferably within a global or multi-site SME.
• Deep technical expertise in Microsoft, VMware, and Cloud technologies.
• Proactive problem-solver with the ability to mentor junior team members.

Responsibilities

• Design, build, and maintain the company's global IT infrastructure.
• Manage and administer our hybrid cloud environment with a strong focus on Microsoft Azure.
• Ensure the security of our infrastructure and data.
• Provide 3rd line support for complex technical issues.
• Plan and execute infrastructure projects.

Skills

Microsoft Stack

Cloud Technologies

System Centre Configuration Manager (SCCM)

Virtualisation

Networking & Monitoring

Security & Asset Management

Server Operating Systems

Backup Solutions (Veeam)

Job description

Senior Infrastructure Engineer

Duration: 12-month fixed-term staff contract (not contract), with a strong potential for conversion to a permanent role.
Location: This role is office based, located in Hammersmith, London + 1 day remote work per week

We are looking for a highly motivated and experienced Senior Infrastructure Engineer to join our global IT team. The successful candidate will play a key role in designing, implementing, maintaining, and supporting our entire IT infrastructure, which supports our business operations across multiple international locations.

This is a practical role requiring a combination of deep technical expertise in Microsoft, VMware, and Cloud technologies, strategic thinking, and the ability to work effectively in a fast-paced, international setting. The ideal candidate will be a proactive problem-solver, a mentor to junior team members, and a driving force in the ongoing improvement of our IT services.

Key Responsibilities

• Design, build, and maintain the company's global IT infrastructure, including on-premises HPE/Dell server and storage hardware, co-located data centres, and cloud-based systems.
• Manage and administer our hybrid cloud environment, with a strong focus on Microsoft Azure, Entra ID, and Azure MDM for modern device management.
• Ensure the security of our infrastructure and data by managing on-premises and cloud security controls and working closely with the Security Operations Centre (SoC) to action vulnerability management and system patching.
• Manage and maintain our Windows and Linux (CentOS, Red Hat, Ubuntu) server estate, as well as core Microsoft services (AD, GPO, DNS, NPS/Radius, CA, SMTP Relay), and our extensive VMware vSphere/vCenter virtualisation platform.
• Administer and optimise our System Centre Configuration Manager (SCCM) hierarchy, including Primary/Secondary sites, Distribution Points, Cloud Management Gateway (CMG), and Azure integration for global software deployment and updates.
• Manage and maintain our VDI environment (VMware Horizon/Citrix/OLVM), ensuring a reliable experience for our global user base.
• Take ownership of the company's backup and disaster recovery solutions, primarily using Veeam, and manage our tape library infrastructure.
• Provide 3rd line support for complex technical issues, acting as an escalation point for the service desk and junior engineers.
• Plan and execute infrastructure projects, including upgrades, migrations, and new implementations.
• Act as a technical lead and mentor for junior infrastructure engineers, fostering a culture of knowledge sharing and professional development.

Requirements

• Extensive experience in a senior infrastructure engineering role, preferably within a global or multi-site SME.
• Expertise in the Microsoft Stack:
• Cloud Technologies:
• System Centre Configuration Manager (SCCM):
• Virtualisation & VDI:
• Hardware Experience:
• Networking & Monitoring:
• Security & Asset Management:
• Server Operating Systems & Backups