Security Engineer (Mid and Senior)

What you'll do:

• Build and maintain security tooling and infrastructure to improve our overall security posture
• Respond to security incidents and help improve incident processes
• Work with the wider Platform and application teams to ensure that our infrastructure, systems, and applications are secure
• Develop secure coding practices and provide guidance to development teams on application security best practices
• Keep up to date with the latest security trends and technologies related to application security, and evaluate their potential impact on our systems and data
• Develop and maintain security documentation related to application security, including policies, procedures, and guidelines


This is a varied role in a growing team. You’ll have the opportunity to get involved in other security-related projects and initiatives as needed. We encourage you to take on new challenges that align with your skills and internests, and to collaborate with other teams to drive improvements in security across our entire organisation

What you'll have:

• Excellent security and technology background
• Strong understanding of web application security concepts, including OWASP Top 10 vulnerabilities, secure coding practices, and application security testing tools
• Experience with security tools and technologies, such as web application firewalls (WAFs), and static and dynamic application security testing (SAST/DAST) tools
• Experience in endpoint (e.g. EDR and ZTNA) and cloud (e.g. CSPM and CNAPP) security tooling
• Experience with security SaaS solutions
• Good AWS experience (or knowledge) and familiarity with various AWS security services (or familiarity with Azure and/or GCP with a willingness to learn AWS)
• Strong analytical and problem-solving skills, with the ability to identify and mitigate security risks


A good candidate will have experience in at least some of the areas mentioned, we’re not expecting any candidate to be an expert in all areas!

What will help:

• Security certifications (any of the famous abbreviations) 
• Certifications from cloud providers’ certification paths
• Security qualifications (e.g. apprenticeships or degrees)
• Experience with preparing high quality documentation
• Experience using logging tools (whether this was a SIEM system or not) to generate alerts and reports
• Knowledge of the MITRE ATT&CK framework

💚 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 recently named the UK's top company to work for, and we ranked in the top ten in the Sunday Times Best Places to Work 2024. 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