---
title: 'Graduate Hardware Engineer at Octopus Energy Group'
canonical: 'https://feeny.ai/job/graduate-hardware-engineer-octopus-energy-group-slough-8pdkh3spfeds'
type: 'job'
last_seen: '2026-10-20'
---

# Graduate Hardware Engineer at Octopus Energy Group

- **Company:** Octopus Energy Group
- **Location:** Slough, United Kingdom
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2026-10-20
- **Last confirmed live:** 2026-10-20
- **Apply:** https://jobs.lever.co/octoenergy/e8a3afb6-dad5-4820-a601-f1a549b1f827

## Job description

We are looking for a motivated Graduate Hardware Engineer to join our small but highly focused Hardware Development team. You will experience the full spectrum of the hardware lifecycle, making a tangible impact on products that deploy directly into thousands of homes.

You will play a hands-on role in bringing our next generation of Electric Vehicle (EV) and smart energy hardware to life. This position is perfect for an adaptable, enthusiastic graduate who enjoys tackling a wide variety of tasks and thrives in a collaborative, fast-paced environment.

What you will do:

- Hardware Development: Assist in the end-to-end specification and development engineering of EV chargers and other innovative smart energy hardware.
- Testing & Validation: Conduct rigorous hands-on testing, prototyping, and validation of hardware components to ensure safety, reliability, and performance.
- Certification Support: Assist the team in navigating complex regulatory landscapes, preparing documentation and hardware for crucial industry certifications and compliance standards.
- Problem Solving: Actively investigate hardware issues and perform root-cause analysis to resolve technical challenges.
- Cross-Functional Collaboration: Work closely with firmware/software, and product teams both internal and external companies to integrate hardware seamlessly into the broader Octopus technology ecosystem.

What you will need:

- Education: A recent graduate degree (BSc, BEng) in Electrical/Electronic Engineering, or a closely related discipline.
- Excellent Communicator: Strong verbal and written communication skills, with the ability to effectively discuss technical concepts with both engineering peers and commercial areas of the business.
- Adaptability: A versatile mindset with a genuine enjoyment of varied daily tasks—from product testing and validation, hands on hardware testing, to writing reports and brainstorming design solutions.
- Technical & Safety Foundation: A solid theoretical understanding of circuit design/operation and a ‘can do’ approach to problem-solving. Crucially, you are comfortable working with mains voltages and demonstrate a strict, uncompromising approach to electrical safety.
- Logistics: Ability and willingness to work flexibly between our Slough office, Oxford Street office and your home setup as required.

## Why else you'll love it here

- Wondering what the salary for this role is? Just ask us! On a call with one of our recruiters it's something we always cover as we genuinely want to match your experience with the correct salary. The reason why we don't advertise is because we honestly have a degree of flexibility and would never want salary to be a reason why someone doesn't apply to Octopus - what's more important to us is finding the right octofit!
- Octopus Energy Group is a unique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co-owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about! We were named the UK's top company to work for in 2025, and we ranked in the top ten in the Sunday Times Best Places to Work 2026. Our Group CEO, Greg has recorded a podcast about our culture and how we empower our people. We’ve also been placed in the top 10 companies for senior leadership
- Visit our UK perks hub - Octopus Employee Benefits

If this sounds like you then we'd love to hear from you, tell us what you care about, why Octopus feels right and most importantly, bring us the real you! Applying for jobs can be a bit scary so have a nose through some of our tips first🚀

P.S. Our process usually takes up to 4 weeks, but we’ll always do our best to flex around what works for you. Along the way, you’ll chat with our recruitment team and your Recruiter will help you throughout different stages. Got any burning questions before then? Drop us a message at talent@octoenergy.com and we’d love to help!

Are you ready for a career with us? We want to ensure you have all the tools and environment you need to unleash your potential. Need any specific accommodations? Whether you require specific accommodations or have a unique preference, let us know, and we'll do what we can to customise your interview process for comfort and maximum magic!

Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we hire. Across Octopus, we're looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal opportunities, an inclusive work environment, and fairness for everyone.

## About Octopus Energy Group

## Company Overview
- **One-liner**: Octopus Energy Group is a global clean energy and technology company driving the green energy transition through its retail energy supply, renewable generation, energy services, and proprietary Kraken technology platform.
- **Entity Type**: Private (backed by institutional investors; not publicly traded)
- **Headquarters**: London, England, United Kingdom
- **Founded**: 2015
- **Founders**: Greg Jackson

## Core Business
- Primary industry: Energy (retail electricity and gas supply, renewable generation, energy services, and energy technology)
- Target customers: B2C (residential households), B2B (businesses, other utilities via Kraken licensing)
- Mission: “To drive the global green energy revolution” – bringing affordable, green energy to the world

## Products & Services
- **Octopus Energy (Retail)**: Electricity and gas supply to 10+ million households across 8 countries, known for award-winning customer service and smart tariffs.
- **Kraken Technologies**: Proprietary SaaS platform that acts as an “operating system for utilities,” managing everything from renewable generation to customer billing. Licensed to support over 50 million customer accounts globally.
- **Octopus Electric Vehicles (OEV)**: EV leasing service with over 27,500 vehicles in the UK, one of the top 10 EV leasing businesses.
- **Octopus Electroverse**: Europe’s largest public EV charging network, connecting nearly 1.1 million customers to over 1 million charge points across 40+ countries.
- **Octopus Energy Services**: Installation of smart meters, heat pumps, EV chargers, solar panels, and batteries (installed ~903,000 meters and 65,000 low-carbon devices in FY25).
- **Octopus Energy Generation**: Manages a £7 billion portfolio of 400+ renewable generators (wind and solar farms) across 19 countries.
- **Octopus Energy Heating**: Designs and manufactures heat pumps (Cosy series).
- **Centre for Net Zero**: Impact-driven research unit working at the intersection of tech, energy, and climate.

## Market Standing
- **Valuation**: Not publicly disclosed (reported “over a billion in funding” raised to date)
- **Key Metric**: Annual Revenue £13,683 million (FY25, ended April 2025), up 10% YoY [octopusenergy.group](https://octopusenergy.group/static/documents/OEGL_Financial_statements_Annual_Report_FY25.pdf)
- **Notable Investors**: Origin Energy, Tokyo Gas, CPP Investments, Generation (sustainable fund co-chaired by Al Gore), and Octopus Group
- **Growth Signals**:
  - Headcount: 3,282 employees (+30.6% YoY) [linkedin.com](https://linkedin.com/company/octopusenergy)
  - Serves 10 million customers globally (7.6 million in UK alone – UK’s largest household supplier)
  - Non-UK customer base nearly doubled to 2.4 million
  - Kraken aims to serve 100 million accounts by 2027
  - Expanded to 27 countries; operations in UK, Germany, USA, Japan, Spain, Italy, France, New Zealand, and more

## Competitive Advantages
- **Proprietary Kraken platform** delivers the lowest operational cost-to-serve in the industry, enabling superior economics and rapid scaling.
- **Customer-centric model** with 5-star TrustPilot rating (750,000+ reviews) and Which? Recommended Provider for nine consecutive years.
- **Vertically integrated** across the entire energy value chain: generation, retail, hardware installation, EV charging, and technology licensing.
- **Strong brand and rapid international expansion** – proven ability to replicate the model in multiple markets.
- **Backing of world-class investors** including Al Gore’s Generation fund, providing credibility and capital.

## Strategic Focus
- **International scaling**: Grow non-UK customer base and enter new markets.
- **Kraken expansion**: Reach 100 million licensed accounts by 2027.
- **Electrification of heat and transport**: Scale heat pump manufacturing, EV charging network, and smart home hardware.
- **Renewable generation growth**: Continue investing in wind and solar assets.
- **Demand flexibility**: Develop smart tariffs and grid-balancing products to enable a decentralised, green energy system.

## Why Work Here
- **Culture**: Described as “work with freedom and responsibility” – high trust, ownership, and autonomy. Founder Greg Jackson compares building the team to a dry-stone wall: fitting authentic people together naturally.
- **Recognition**: Named one of the Sunday Times Best Places to Work in 2026 [octopus.energy/careers](https://octopus.energy/careers/).
- **Mission-driven**: Every employee contributes to the urgent goal of affordable, green energy globally.
- **Diverse roles**: Hundreds of openings across retail, engineering, data science, hardware installation, EV, and more.
- **Engineering culture**: Kraken team works with advanced data and machine learning to revolutionise the energy grid.
- **Work model**: Not explicitly stated as fully remote; likely hybrid/office-based in London and other global hubs, with flexibility.
- **Growth trajectory**: Rapid headcount growth (+30.6% YoY) and global expansion offer career advancement opportunities.

## Sources
1. [octopus.energy/about-us](https://octopus.energy/about-us/)
2. [octopus.energy/careers](https://octopus.energy/careers/)
3. [linkedin.com](https://linkedin.com/company/octopusenergy)
4. [jobs.lever.co/octoenergy](https://jobs.lever.co/octoenergy)
5. [octopusenergy.group (Annual Report FY25)](https://octopusenergy.group/static/documents/OEGL_Financial_statements_Annual_Report_FY25.pdf)

## Other roles at Octopus Energy Group

- [Roofer - Yorkshire](https://feeny.ai/job/roofer-yorkshire-octopus-energy-group-yorkshire-zm98j4z32xvq) — Yorkshire, United Kingdom
- [Roofer - Midlands](https://feeny.ai/job/roofer-midlands-octopus-energy-group-walsall-xy0xqkhhh007) — Walsall, United Kingdom
- [Electrician (Yorkshire)](https://feeny.ai/job/electrician-yorkshire-octopus-energy-group-yorkshire-09yky7gd2cyw) — Yorkshire, United Kingdom
- [Dialoger*in / Fundraiser*in (m/w/d) Dein Upgrade: Festanstellung](https://feeny.ai/job/dialoger-in-fundraiser-in-m-w-d-dein-upgrade-festanstellung-octopus-energy-2g7e34c2bmn4) — Münster, DE
- [Dialoger*in / Fundraiser*in (m/w/d) Dein Upgrade: Festanstellung](https://feeny.ai/job/dialoger-in-fundraiser-in-m-w-d-dein-upgrade-festanstellung-octopus-energy-phzbgft0cvn2) — Osnabrück, DE
- [Dialoger*in / Fundraiser*in (m/w/d) Dein Upgrade: Festanstellung](https://feeny.ai/job/dialoger-in-fundraiser-in-m-w-d-dein-upgrade-festanstellung-octopus-energy-8x0t726apfnd) — Bonn, DE
- [Vertriebsmitarbeiter*in / Promoter*in (m/w/d) POS](https://feeny.ai/job/vertriebsmitarbeiter-in-promoter-in-m-w-d-pos-octopus-energy-group-munster-6kaskzszsap6) — Münster, DE
- [Vertriebsmitarbeiter*in / Promoter*in (m/w/d) POS](https://feeny.ai/job/vertriebsmitarbeiter-in-promoter-in-m-w-d-pos-octopus-energy-group-osnabruck-er0t4twgcn4q) — Osnabrück, DE
- [Vertriebsmitarbeiter*in / Promoter*in (m/w/d) POS](https://feeny.ai/job/vertriebsmitarbeiter-in-promoter-in-m-w-d-pos-octopus-energy-group-bonn-1knf2qvefjnt) — Bonn, DE
- [Business Energy Specialist](https://feeny.ai/job/business-energy-specialist-octopus-energy-group-wellington-v724vfcd2frx) — Wellington, New Zealand