Job Description

We are seeking an experienced IT Infrastructure Engineer to join our team and play a key role in implementing, maintaining, and securing our organisation's core IT infrastructure. This position covers both on-premises and cloud environments, ensuring systems are reliable, secure, and aligned with business needs.



The role requires strong technical expertise in Microsoft 365 (including Entra ID and Azure), with additional experience in security tools such as Microsoft Defender and Mimecast. The successful candidate will be proactive, collaborative, and passionate about delivering robust IT services.



Based at Thorpe Park, Leeds, with hybrid working and a minimum of two on-site days per week.

This role is being advertised directly by EP UK Investments Ltd. We are working with select recruitment partners and kindly ask that other agencies do not contact us regarding this vacancy.

Key Responsibilities


Reporting to the Group Operations and Architecture Manager, the key responsibilities and duties will include:

Infrastructure Management & Support

Administering, maintaining, and optimising Microsoft 365 services, including Entra ID, Exchange Online, Teams, SharePoint, and Azure services. Managing and supporting VMware on-premises infrastructure, including virtualised servers, storage, and networking components. Ensuring infrastructure systems are patched, maintained, and aligned with best practices for availability, performance, and security. Providing escalation support for complex technical issues across the infrastructure stack.

Security & Compliance

Overseeing and maintaining security tools including Microsoft Defender and Mimecast, focusing on detection and response to potential threats. Co-ordinating and implementing vulnerability detection and remediation processes. Implementing security practices throughout infrastructure, including access control, patching, and configuration management. Assisting with security reviews and audits to help meet internal policies and industry regulations. Participating in incident response activities by providing technical support for infrastructure-related issues.

Continuous Improvement

Identifying opportunities to modernise, streamline, and improve infrastructure services. Keeping up to date with technology trends and recommend improvements that align with business goals. Collaborating with IT colleagues to ensure a secure, efficient, and resilient IT environment. Skills, Knowledge and Expertise

Background

Proven experience in IT operations, system administration, or cyber security - essential*.
Hands-on expertise with security tools, vulnerability management, and incident response - essential*.
Solid knowledge of security technologies (firewalls, IDS/IPS, SIEM, vulnerability scanners) - essential*.
Strong technical skills in Microsoft 365 (Entra ID, Exchange, Teams, SharePoint, Intune, Azure), Windows Server/Active Directory, and networking fundamentals (DNS, DHCP, VPNs, firewalls). Familiarity with Microsoft Defender and Mimecast. Strong analytical and troubleshooting skills across complex IT environments.

Behaviours

Integrity and professionalism, with a strong commitment to maintaining secure and reliable IT systems. Adaptability and flexibility to work in a dynamic environment, managing multiple priorities and projects. Initiative and ownership in driving infrastructure improvements and delivering high-quality project outcomes. Resilience under pressure, with the ability to resolve issues quickly and minimise business impact. A mindset committed to continuous improvement, with a proactive approach to seeking out opportunities for learning and professional development.

Qualifications

Degree qualified in Computer Science, Information Technology, or other relevant discipline - essential*.
Relevant certifications (e.g., Microsoft Certified: Azure Administrator, CompTIA Security+) - desirable*.
About EP UK Investments Ltd


EPUK Investments Ltd (EPUKI) is the UK division of Energeticky a pr?myslovy holding (EPH), a leading energy group of over 70 companies that owns and operates assets across Europe. EPH group employs circa 24,000 people internationally, owns EUR30.5bn of assets, generating EUR37.1bn of revenue and an EBITDA of EUR4.3bn.

EPUKI was established in 2015 as the strategic platform for expanding the EPH group into the UK energy market. Since launching, EPUKI has made several acquisitions and developed a number of new opportunities and now owns multiple renewable and flexible power generating assets in the UK and Ireland.

EPUKI has grown rapidly to revenues ~3.5bn and EBITDA ~300m. We pride ourselves on an entrepreneurial culture and flat leadership structure where individuals (wherever they are in the organisation) can make a real impact on our business.

Our aim is to enable the UK and Ireland low carbon transition through provision of flexible and reliable energy supply. To achieve this, we will:

develop, construct and acquire the right assets to support the transformation of the energy system; invest in our people and our assets to best respond to the changing needs of our sector; continuously challenge ourselves to identify opportunities, build our knowledge and develop innovative solutions.



EPUKI is one of the largest independent generators in the UK and Ireland, with an asset base that covers multiple technologies and a range of revenue streams; these include fully merchant baseload and peaking plant and index traded baseload plants, providing a range of system services across the energy and balancing spectrum.

Despite its significant market presence, EPUKI has a flat structure with fast paced decision-making ability enabling better optimisation of market positions. The market continues to evolve and develop as the UK and Irish governments drive towards Net Zero with increasing challenges of renewables penetration, introduction of hydrogen and other new technologies.