Senior Infrastructure Engineer

Join Giacom – the UK's only provider of Communications, Cloud, Hardware and Billing through a single platform. We connect technology resellers and service providers with market-leading solutions, helping them deliver brilliant technology outcomes for businesses nationwide. If you're looking to be part of a fast-growing, innovative organisation where your work makes a real impact, we'd love to hear from you.

The Senior IT Infrastructure Engineer is responsible for the design, implementation, and support of robust and secure IT infrastructure solutions that underpin our operations. This role provides technical leadership within the infrastructure team, ensuring systems are scalable, resilient, and aligned with business requirements. Working closely with the Infrastructure Manager, the Senior Engineer contributes to strategic projects, mentors’ junior staff, and acts as a subject matter expert across a range of technologies. The role is critical to maintaining high service availability, supporting innovation, and enabling the business to operate efficiently and securely.

What you'll be doing

• Design, implement, and maintain infrastructure solutions including servers, networks, storage, and cloud services.

• Act as a technical lead on infrastructure projects and initiatives.

• Provide 3rd line support and act as an escalation point for complex technical issues.

• Monitor and optimise system performance, availability, and security.

• Ensure infrastructure documentation is accurate and up to date.

• Collaborate with other IT teams to support cross-functional projects and service delivery.

• Contribute to disaster recovery planning and execution.

• Assist in evaluating and implementing new technologies and tools.

• Support compliance with IT policies, standards, and regulatory requirements.

• Mentor and support junior engineers and technicians.

Skills, Qualifications, and Experience

• Extensive experience in infrastructure engineering across on-premises and cloud environments.

• Strong knowledge of Microsoft technologies (Windows Server, Active Directory, M365, Exchange).

• Experience with virtualization platforms (e.g. VMware, Hyper-V).

• Solid understanding of networking principles and technologies (LAN/WAN, firewalls, VPNs).

• Experience with cloud platforms (Azure, AWS) and hybrid environments.

• Excellent troubleshooting and problem-solving skills.

• Strong documentation and communication abilities.

• Relevant certifications (e.g. Microsoft, Cisco, VMware).

What's in it for you?

• Hybrid Working

• Investment in your future career with a variety of learning and development opportunities.

• No dress code - embrace the freedom to bring your whole self to work.

• 25 days annual leave, plus bank holidays. You'll even get your birthday off, too!

• A pension plan for your future.

• Complimentary refreshments in all our offices.

For a comprehensive list of all our benefits, click here.

Diversity and equality lie at the heart of our values. As an equal opportunities and disability-confident employer, we encourage applications from all eligible candidates, regardless of their backgrounds. We firmly believe that diversity enriches and strengthens our team with a variety of perspectives that drives innovation.