Energy Centre Network & Communication Engineer (London, GB) in London

Energy Jobline ZR; City Of London; Hybrid; GBP 45,000 - 58,000; Full time

Job summary

A leading energy company is seeking a Network and Communication Engineer to maintain digital infrastructures for district heating networks. You will ensure efficient performance and security of communication systems. The ideal candidate has network engineering experience, a full UK driving licence, and is willing to travel across the UK. This role offers an annual salary range of £45,636 to £57,937 and includes generous benefits.

Benefits

26 days annual leave

Generous pension

Life cover

Bonus opportunities

Flexible benefits

Qualifications

• Proven experience in network engineering or operational technology environments.
• Full UK driving licence and willingness to travel across the UK.
• Hands-on experience configuring routers, switches, and firewalls.
• Familiarity with network monitoring tools to analyse performance.

Responsibilities

• Maintain and improve data communication infrastructure across heat networks.
• Provide 2nd line technical support for digital technology systems.
• Carry out maintenance activities both remotely and on site.
• Strengthen cyber security posture of operational technology.

Skills

Network engineering

Operational technology environments

Problem-solving

Electrical experience

Configuration of routers, switches, firewalls

Knowledge of Layer 2/3 networking

Remote and on-site maintenance

Education

IOSH (Working Safely) qualification

Tools

Network monitoring tools

Job description

Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide.

We focus on the Oil & Gas, Renewables, Engineering, Power, and Nuclear markets as well as emerging technologies in EV, Battery, and Fusion. We are committed to ensuring that we offer the most exciting career opportunities from around the world for our jobseekers.

Job Description

Permanent home based involving frequent nationwide travel to key sites when required. £45,636‑£57,937

Energy Centre Network & Communication Engineer

Here's what you'll be doing

At E.ON, we're leading the transition to a low-carbon future. Our Energy Infrastructure Solutions (EIS) team designs, builds, operates, and maintains district heating and local energy networks across the UK - helping cities, communities, and businesses decarbonise their energy use.

As a Network and Communication Engineer, you'll play a vital role in maintaining and improving the digital backbone of our district heating networks. You'll make sure our sites and assets are visible to our Control Centre, securely connected, and performing efficiently - ensuring our customers enjoy continuous service and accurate billing.

Key Responsibilities

• Maintain and continuously improve the data communication and digital networking infrastructure across our heat networks.
• Provide 2nd line technical support for digital and operational technology systems.
• Carry out reactive and planned maintenance activities, both remotely and on site, following the maintenance management system (CMMS).
• Strengthen and maintain the cyber security posture of our operational technology and digital infrastructure.
• Support improvements to plant performance and system reliability through technical insight and data analysis.
• Provide local hands‑on support for the managed service provider within the boundaries of agreed activities defined by the service contract/service definition.
• Work with E.ON service management team in the management, measurement and review of the against service SLA's/KPI's and associated service definition commitments.
• Assist in scheduling maintenance to optimise resources and minimise downtime.
• Configure Layer 2 and 3 network switches, firewalls, and IP networks for adopted assets.
• Develop and maintain digital monitoring systems and cloud-based configurations (VPN, firewall, network monitoring).
• Oversee large‑scale VPN network performance and connectivity.
• Conduct GSM/LTE surveys, configuration, and failover testing.
• Supervise on‑site contractors and ensure safe, compliant delivery of work.
• Produce technical documentation, internal engineering standards, and reports to support projects and incidents.
• Participate in the out‑of‑hours on‑call rota to support operational continuity.

What we need from you

• Proven experience in network engineering, digital infrastructure, or operational technology (OT) environments.
• Full UK driving licence and willingness to travel to sites across the UK, with flexibility to participate in an on‑call rota for out‑of‑hours support.
• Excellent problem‑solving skills with a proactive and safety‑conscious approach.
• Electrical experience and working with structured cabling.
• IOSH (Working Safely) or equivalent qualification in health and safety.
• Hands‑on experience configuring routers, switches, and firewalls.
• Knowledge of Layer 2/3 networking, LAN/WAN architecture, cloud networking (e.g. AWS, Azure), and wireless system.
• Familiarity with network monitoring tools to analyse network performance and troubleshoot issues.
• Experience with maintenance and fault resolution, both remote and on site.

It would be great if you had

• Experience within the energy, utilities, or district heating sectors.
• Awareness of cyber security principles for operational and industrial systems.

Here's what you need to know

• Award‑Winning Workplace - We're proud to be named a Sunday Times Best Place to Work 2025 and the Best Place to Work for 16‑34‑year‑olds.
• Outstanding Benefits - Enjoy 26 days of annual leave plus bank holidays, a generous pension, life cover, bonus opportunities, and access to 20 flexible benefits with tax/NI savings.
• Flexible & Family‑Friendly - Our industry‑leading hybrid and family‑friendly policies earned us double recognition at the Personnel Today Awards 2024.
• Inclusive & Diverse - We are the only energy company in the Inclusive Top 50 UK Employers.
• Support at Every Stage of Life - We are Fertility Friendly and Menopause Friendly accredited, with inclusive support for everyone.
• Accessible & Supportive - As a Confident Employer, we guarantee interviews for disabled applicants who meet the minimum criteria and will make any adjustments needed during the process.
• Invested in Your Growth - From inclusive talent networks to top‑tier development programmes, we'll support your growth every step of the way.

At a glance

Reference no.: 240389

Closing date: 07/11/2025 Salary: £45,636‑£57,937

Get in touch

If you have any questions please contact the recruiter, [e-mail]. Please note, CV's emailed directly will not be considered.

About us

E.ON is a privately owned international energy company. Our 75,000 colleagues in 15 countries work daily towards the improvement of technical innovations and user‑friendly customer solutions for the new energy world. We are the first large energy company to focus more heavily upon the energy of the future through our three business areas of energy networks, renewable energies and customer solutions.

Connect with us

www.eon‑uk‑careers.com