Senior Infrastructure and Security Analyst

Senior Infrastructure and Security Analyst

Application Deadline: 9 May 2025

Department: Information Technology

Employment Type: Permanent

Location: United Kingdom

Description

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, Knowledge and Expertise

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 sites around the UK and internationally as appropriate. 

Benefits

• Competitive compensation: Enjoy a competitive salary, complemented by a generous performance-related pay scheme that recognises your achievements.
• Private medical insurance: Prioritise your health with comprehensive private medical insurance, including access to online GP services from AXA for you and your family.
• Enhanced company pension: Secure your future with enhanced company pension contributions that support your long-term financial goals.
• Cycle to work scheme: Embrace a sustainable lifestyle with our cycle to work scheme.
• Season ticket loan: Spread the cost of your commute and take advantage of annual discounts with an interest free season ticket loan.
• Volunteering and charity: We encourage you to give back to the community through volunteering days and charitable initiatives.
• Enhanced holiday allowance: Enjoy 25 days of annual leave, in addition to bank holidays.
• Global travel insurance: Travel with peace of mind, courtesy of worldwide multi-trip travel insurance coverage for you and your family.
• Employee discount platform: Access exclusive discounts through our employee discount platform.
• Enhanced parental leave: Generous maternity and paternity pay to support you and your family when you need it most.

Greenergy are proud to be an equal opportunities employer and we are committed to equality of opportunity for all staff. We believe that diversity and inclusion among our colleagues is critical to our success as a global company. Employment at Greenergy is based solely on a person's merit and qualifications directly related to professional competence. We do not discriminate against any employee or applicant because of age, disability, sex, gender reassignment, sexual orientation, pregnancy, maternity, race, religion or belief, marriage and civil partnerships.