3rd Line Infrastructure Engineer

Good Energy; England; Hybrid; GBP 50,000 - 60,000; Full time

Job summary

A renewable energy company is seeking a skilled 3rd Line Infrastructure Engineer for their Technology Department. The role includes maintaining IT infrastructure and enhancing Microsoft 365 security. Ideal candidates are experienced problem-solvers with a collaborative approach and deep knowledge of IT systems, particularly Microsoft technologies. This position offers excellent hybrid working benefits and a competitive salary.

Benefits

GBP 500 work from home allowance

GBP 500 travel allowance

GBP 500 annual development allowance

15% annual bonus

25 days annual leave

Qualifications

• Collaborative and problem-solving mindset.
• Experience in infrastructure implementation, operation, or optimization.
• Eager to share knowledge and support others.

Responsibilities

• Configure and support core infrastructure components.
• Maintain and enhance on-premise infrastructure.
• Monitor and optimize uptime and user experience.

Skills

Hands-on experience in IT administration

Deep knowledge of Microsoft Office 365

Confident administering Entra ID

Able to resolve escalations effectively

A team player sharing knowledge

Education

Qualification in IT administration

Tools

Windows Server

VMWare

PowerShell

Job description

3rd Line Infrastructure Engineer

Application Deadline: 24 August 2025

Department: Technology

Employment Type: Permanent - Full Time

Location: Chippenham, Wiltshire

Reporting To: Duncan Palmer

Compensation: GBP 50,000 - GBP 60,000 / year

Description

No day will be the same - here are some of the highlights

We're looking for a passionate and skilled and adaptable 3rd Line Infrastructure Engineer to join our team. Acting as a subject matter expert, you'll play a key role in maintaining and improving Good Energy's IT estate, helping to shape an integrated IT operating model across our group of companies.

In this hands-on role, you'll support a wide range of tasks, from managing escalations and configuring SaaS products, to improving patch management and maintaining our on-premise environment. You'll collaborate closely with specialists across networking, databases, and Microsoft technologies, ensuring a smooth and secure IT experience for the business.

Responsibilities:

• Core infrastructure support: Configure and support key infrastructure components, including Active Directory/Entra ID, Endpoint Manager, Exchange, MDM, Mimecast, and other security tools.
• Microsoft 365 environment: Improvement and expansion of our Microsoft 365 infrastructure, with a focus on security and usability.
• On-Premise maintenance: Maintain and enhance the on-premise infrastructure, including VMs, patching, backups, and storage management.
• Change & governance: Deliver IT changes with a strong focus on usability, security, risk appetite, and governance.
• Service decommissioning: Decommission outdated systems in collaboration with the Compliance team, ensuring data security and policy alignment.
• Service uptime & user experience: Monitor and optimise the uptime and quality of user experience across all infrastructure services.
• Projects & continuous improvement: Support new projects, service renewals, and ongoing infrastructure improvements.
• Team collaboration: Work closely with the wider IT team to support shared goals and cross-functional initiatives.
• Physical Infrastructure support: Assist with server racking and patching (reasonable adjustments can be made to support candidates).
• Communication & stakeholder engagement: Communicate effectively with both internal teams and external stakeholders.
• Capability & risk management: Help build team capability, manage relevant business risk, and support the delivery of high performance.

What you'll need to succeed

You'll be a collaborative, problem-solver with a team-first mindset and a passion for making systems better. You'll thrive in a fast-paced environment, balancing long-term projects with day-to-day support across a growing IT estate. Curious and proactive, you'll be quick to understand existing infrastructure and eager to share your knowledge with others.

As a driven and confident Engineer, you'll work independently, enjoy learning, and take pride in delivering practical, secure, and efficient solutions. You'll also comfortable engaging directly with end users to resolve issues and improve experiences.

Essentials:

• Hands-on experience or qualification in IT administration, especially in infrastructure implementation, operation, or optimisation.
• Previous experience in roles such as 3rd Line Engineer or Office 365 Administrator, with broad exposure to IT systems and tools.
• Deep knowledge of Microsoft Office 365, including configuration, policies, automation, and security (Defender ATP)
• Confident administering Entra ID, Group Policy, Exchange (On-Prem/Online), PowerShell, IPSec, patching, and VPN configuration
• A proactive mindset-ready to dive in, understand existing systems, and drive improvements
• A team player who shares knowledge and supports the wider IT function
• Comfortable working hybrid, with team office days on Wednesdays and increased presence during probation or as needed
• Confident handling escalations and communicating directly with users to resolve issues effectively

Desirables:

• Knowledge of: Windows Server, VMWare, Nutanix, Arctic Wolf, Unitrends
• Familiarity with ITIL and Microsoft certification pathways
• App support or exposure to compliance and information governance in regulated environments
• Experience with server room migrations, firewalls (e.g., Juniper), Watchguard, Cisco, Meraki, SFTP, and security best practices
• Understanding of data and cyber security principles
• Experience using Power Platform, participating in BCP/DR planning, or working with VOIP/Teams Direct Routing
• Exposure to Azure, AWS, ADO, or database administration

Benefits you can rely on

Great allowances for hybrid working:
GBP 500 work from home allowance - an annual allowance paid monthly alongside your salary to support with working from home costs.
GBP 500 travel allowance - an annual allowance paid monthly alongside your salary to support with travelling to work costs.

GBP 500 annual development allowance: To spend on your chosen development area, whether that's in your current role, or future roles.

15% annual bonus: company-wide bonus scheme designed to reward collective teamwork and delivery of results across the whole business.

Holiday: 25 days annual leave, a day off for your birthday, additional days leave for long service, plus bank holidays. You'll also have the option to buy additional leave, allowing for a better work-life balance.

Ethical Pension with Aviva: Good Energy offers an ethical pension plan provided by Aviva, with employer-matched contributions up to 7.5% of your base salary.

See more of our benefits here