Offensive Security Developer – Red Team
Salary: National Circa £95000 and London Circa £110000
We’re looking for an Offensive Security Developer to join our Attack Simulation team in Aviva’s Cyber Security function.
You’ll be part of a team that mimics real-world threats to test and strengthen our defences. If you’re passionate about red teaming, love building offensive tools, and want to make a real impact on how we protect millions of customers—this could be your next move.
A bit about the job:
You’ll be on the front lines of cyber defence—designing and executing red team engagements, developing custom tools, and simulating real-world threats to test and strengthen our security posture. Working alongside a highly skilled team, you’ll help identify vulnerabilities across people, processes, and technology, and play a key role in protecting millions of customers.
Skills and experience we’re looking for:
* Strong programming/scripting skills in Python, C/C++, PowerShell, .NET or Rust
* Deep understanding of Windows/Linux internals and network protocols
* Proven experience in cloud security testing and Command and Control frameworks
* Familiarity with the MITRE ATT&CK framework and advanced attack techniques
* Several years of experience in offensive security or red teaming
Preferred qualifications and experience:
* Experience with software development and CI/CD pipelines
* Certifications such as OSCP, CRTO, OSEP, or similar
* Background in threat emulation or purple teaming
* Exposure to regulated or government environments
What you’ll get for this role:
At Aviva, we invest in you. Here’s what you can expect:
* Salary National Circa £95000 and London Circa £110000 (depending on location, skills, and experience).
* Bonus opportunity - 12% of annual salary. Actual amount depends on your performance and Aviva’s.
* Generous pension scheme - Aviva will contribute up to 14%, depending on what you put in.
* 29 days holiday plus bank holidays, and you can choose to buy or sell up to 5 days.
* Make your money go further - Up to 40% discount on Aviva products, and other retailer discounts.
* Up to £1,200 of free Aviva shares per year through our Matching Share Plan and share in the success of Aviva with our Save As You Earn scheme.
* Brilliantly supportive policies including parental and carer’s leave.
* Flexible benefits to suit you, including sustainability options such as cycle to work.
* Make a difference, be part of our Aviva Communities and use your 3 paid volunteering days to help others.
* We take your wellbeing seriously with lots of support and tools.
* Take a lookto learn more. Put a salary into this calculator to see what your total Aviva Reward could be.
Aviva is for everyone:
We’re inclusive andwelcome everyone– we want applications from all backgrounds and experiences. Excited but not sure you tick every box? Even if you don’t, we would still encourage you to apply.
We also consider all forms of flexible working, including part time and job shares.
We flex locations, hours and working patterns to suit our customers, business, and you.
Most of our people are smart working – spending around 50% of their time in our offices every week - combining the benefits of flexibility, with time together with colleagues.
To find out more about working at Aviva take a lookhere
We interview every disabled applicant who meets the minimum criteria for the job. Once you’ve applied, please send us an email stating that you have a disclosed disability, and we’ll interview you.
We’d love it if you could submit your application online.If you require an alternative method of applying, please give Kirthi Kanikireddy a call on 02045922145 or send an email to kirthi.kanikireddy@aviva.com
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