×
Register Here to Apply for Jobs or Post Jobs. X

Senior Infrastructure and Security Analyst

Job in Wrexham, Wrexham County, LL13, Wales, UK
Listing for: Greenergy
Full Time position
Listed on 2026-05-30
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Job Description & How to Apply Below
Senior Infrastructure and Security Analyst

Join to apply for the Senior Infrastructure and Security Analyst role at Greenergy

Senior Infrastructure and Security Analyst

4 days ago Be among the first 25 applicants

Join to apply for the Senior Infrastructure and Security Analyst role at Greenergy

Commitment to innovation and a drive to do things differently have seen Greenergy grow from a bedroom start-up to become a world leader in waste-based renewables, and the UK’s leading fuel supplier. We endeavour to approach the status quo of an established industry with fresh eyes, and empower our people to develop and to deliver change through innovation. Our values underpin every interaction we have, whether with colleagues, customers, suppliers and the communities in which we operate.

It is these values of Respect, Ownership, Care and Integrity that have delivered our growth as a business and developed strong customer relationships.

Choose to work for Greenergy and you’ll join a dynamic and passionate team, who are constantly looking to grow and improve.

This remote role is responsible for providing third-line Infrastructure and Security support across the estate. It encompasses both project implementation and day-to-day management of the on-premise and cloud environments (Azure, M365, Microsoft Defender, Oracle Cloud, etc.), as well as the server and network infrastructure across all offices and sites. We are seeking a versatile engineer—a true "Swiss Army knife"—who is comfortable working with a broad range of technologies outlined in the person specification below.

Most crucially, strong network experience is essential.

Key Responsibilities

Projects

  • Planning /Implementing network infrastructure for Greenergy sites in UK & Internationally
  • Responsible for either leading or contributing to infrastructure projects
  • Working with the team for the delivery of new infrastructure and services into live environment and acceptance of service into operational environment
  • Responsible for ensuring documentation is produced for services and activities are consistent with best practice, including Operations Guides

Security

  • Pro-active Business and Operational Technology Cyber Security to ensure it’s in line with good practice
  • Accountable for the integrity, security and successful operation of all systems and data across the infrastructure
  • Adherence to operational procedures and industry best practices

BAU

  • Responsible for the day-to-day support of the infrastructure across all Greenergy sites, data centres and cloud services (Azure/O365 etc)
  • Day-to-day liaison with key partners and third party local suppliers, including issue escalation.
  • Leading the management and/or the technical resolution of major incidents
  • Responsible for the identification of efficient and effective improvements to manage enterprise class infrastructure General:
    Client and company driven by a 24x7 operating environment, so some out of hours or weekend work will also be required on an ad hoc basis.
  • One of the areas this role will cover is our Terminals and Plants so experience of Operational Technology will be beneficial/desirable.
  • The role is remote but there might be requirement to travel to sites to deliver projects.

Skills, Qualifications and Experience

Qualifications and Experience

  • Experience with Cisco Networking technology – Configuring Cisco/Meraki Switches / Firewalls / Access Point, Meraki SDWAN/SASE (CCNA Preferred) - Essential
  • Experience with VMWare and Virtualisation - Essential
  • Experience with Operational Technology (OT) environments - Desirable
  • Experience with Cloud computing experience; O365, Azure, Microsoft Teams - Essential
  • Experience with Microsoft server technologies – Windows 2016, AD, DNS, DHCP, Certificate services - Essential

Personal Attributes

  • Motivation to learn quickly in a fast moving and dynamic environment
  • High level of self-motivation
  • Strong organisational capabilities with excellent attention to detail
  • Ability to work collaboratively in a team environment and manage multiple projects simultaneously.
  • Excellent written and verbal communication skills
  • Enthusiastic approach to develop the role and drive change.
  • Required to be available for travel to…
Position Requirements
10+ Years work experience
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary