CSIRT Engineer (Cyber Security Incident Response Team)

Job Description

Role OVO-View

Team: Cyber Defence Operations

Location: Hub Based - Hybrid for all

Salary banding: £56,000 and £75,000

Experience: Mid-level

Working pattern: Full-Time

Reporting to: Delivery & Growth Lead

Sponsorship: Unfortunately we are unable to offer sponsorship for this role.

Top 3 qualities for this role: Adaptability, Passionate, Integrity

Where you’ll work:

Depending on the needs of your business area, we expect hub based people to be in the office at least once a week, and to go to OVO Connection events in-person.

You’ll be assigned to the closest one of our three hub offices, Bristol, Glasgow, or London; unless your role requires field-based work. Each hub has accessible spaces to park your laptop, is designed to inspire people, help them connect and bring big ideas to life.

Everyone belongs at OVO:

At OVO, we are on a mission to solve one of humanity's biggest challenges, the climate crisis. And we know it takes all of us to change the world. That's why we need diverse people from all abilities, gender identities, ethnicities, ages, sexual orientations, life experiences and backgrounds to join us.

Teamworking for the planet:

Everything we do here spins around Plan Zero. So, naturally, the team you’ll be joining plays a gigantic role in making that happen. Here’s how:

The Cyber Defence Operations team is responsible for ensuring the resilience and security of all OVO systems, data, and critical infrastructure. Our vision is to maintain a continuously hardened and observable digital estate, allowing OVO to innovate quickly and securely. Our impact directly supports Plan Zero by protecting the technology that underpins all climate-crisis-solving initiatives, guaranteeing that our mission to drive a clean energy transition is never disrupted.

This role in a nutshell:

The purpose of this role is to act as a hands-on cybersecurity specialist within the Cyber Defence Operations team, expertly managing the full lifecycle of security threats, from proactive defence hardening and detection engineering to rapid incident response. This position directly relates to Plan Zero by ensuring the stability and trustworthiness of the technology platform that enables millions of customers to transition to net-zero carbon living.

Your key outcomes will be:

• Front-line of the Security Operations Centre at OVO, handling day-to-day incidents, with a view of leading several junior analysts in the upcoming months
• Execute the incident response process for critical security alerts, ensuring swift containment, eradication, and post-incident analysis
• Develop and implement security monitoring and detection logic (e.g., SIEM rules) to reduce the time from compromise to detection (MTTD)
• Conduct and support proactive security exercises, including penetration tests and red teaming activities, to continuously assess and harden OVO’s environment

Systems: Google Chronicle, Crowdstrike, Jira, Sublime, Tines

You’ll be a successful CSIRT Engineer at OVO if you…

• Possess deep SOC expertise
• You have a proven track record of navigating high-pressure environments and managing the full lifecycle of security alerts
• Are an Incident Response specialist
• You effectively lead the transition from detection to containment and recovery with speed and technical precision
• Apply an offensive mindset
• You leverage your experience in Penetration Testing or Red Teaming to anticipate adversary tactics and proactively harden defences
• Invest in technical leadership
• You scale your impact by mentoring junior and senior analysts, directly contributing to the team’s collective growth
• Drive operational efficiency
• You collaborate across the team to refine detection logic, automate workflows, and optimise ticket response to maintain a lean, effective operation

Let’s talk about what’s in it for you:

We’ll pay you between £56,000 and £75,000, depending on your specific skills and experience.

We keep our pay ranges broad on purpose to give us, and you, flexibility to match your experience to our zero carbon mission.

You’ll be eligible for an on-target bonus of 15%. We have one OVO bonus plan that focuses on the collective performance of our people to deliver our Plan Zero goal.

We also offer plenty of green benefits and progressive policies to help you feel like you belong at OVO…and there’s flex pay. We'll give you 9% Flex Pay on top of your salary – 4% of this is auto enrolled into your pension, and the remaining 5% is yours to do what you like with. You can use this to buy from our extensive range of flexible benefits, including our green benefits which we've put at the heart of our offering, add to your pension or even take it as cash.

Here’s a taster of what’s on offer:

For starters, you’ll get 34 days of holiday (including bank holidays).

For your health
With benefits like a healthcare cash plan or private medical insurance depending on your career level, critical illness cover, life assurance, health assessments, and more

For your wellbeing
With gym membership, travel insurance, workplace ISA, will writing services, dental insurance, and more

For your lifestyle
With extra holiday buying, discount dining, home & tech loans, and supporting your favourite charities with give-as-you-earn donations

For your home
Get up to £400 towards any OVO Energy plan, plus great discounts on solar, smart thermostats and EV chargers

For your commute
Nab a great deal on ultra-low emission car leasing, plus our cycle to work scheme and public transport season ticket loans

Want to hear about our full range of flexible benefits and progressive people policies? Our People Team can tell you everything you need to know.

For your Belonging

To find better ways to support our people, we need to listen to each other’s experiences and find ways to build a truly inclusive and diverse workplace. As part of this, we have 8 Belonging Networks at OVO. Led by our people, for our people - so when you join OVO, you can play a part - big or small - with any of the Networks. It's up to you.

Oh, and one last thing...

We’d be thrilled if you tick off all our boxes, yet we also believe it’s just as important we tick off all of yours. And if you think you have most of what we’re looking for but not every single thing, go ahead and hit apply. We’d still love to hear from you!

If you have any additional requirements, there’s a space to let us know on the application form; we want to make the process as easy and comfortable for you as possible.