At a Glance
- Tasks: Lead a team of offensive security engineers and manage high-priority security testing.
- Company: Join a leading quantitative finance firm with a focus on innovation and collaboration.
- Benefits: Competitive pay, 35 days leave, healthcare, and monthly company events.
- Other info: Inclusive work environment that values diversity and personal growth.
- Why this job: Make a real impact in security while working with cutting-edge technology.
- Qualifications: Experience in offensive security, penetration testing, and team leadership required.
The predicted salary is between 60000 - 80000 £ per year.
Overview
We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity.
From our London HQ, we unite world‑class researchers and engineers in an environment that values deep exploration and methodical execution – because the best ideas take time to evolve.
Together we’re building a world‑class platform to amplify our teams’ most powerful ideas.
Security is foundational to this mission and must be delivered in a way that supports how our engineering teams build and operate complex systems at scale.
Take the next step in your career.
Key Responsibilities
- Leading, developing and growing a team of offensive security engineers and penetration testers.
- Owning and delivering the offensive security testing programme across the firm’s highest‑priority systems, balancing recurring assessments with testing of new and changing services.
- Managing testing intake, prioritisation and resourcing, including coordinating external testing partners where required.
- Driving offensive testing methodologies, from scope definition through to safe validation of real‑world attack paths and control effectiveness.
- Establishing attack‑chain validation and continuous purple teaming with detection and response teams.
- Introducing automated assurance capabilities, including breach and attack simulation and adversary emulation tooling.
- Overseeing physical and social engineering assessment where appropriate.
- Reporting meaningful security metrics to demonstrate control effectiveness and drive continuous improvement.
- Building strong working relationships across engineering, risk and incident response teams, communicating findings and influencing decisions through evidence and technical credibility.
Qualifications
- Strong hands‑on experience in offensive security and penetration testing across networks, web and APIs, cloud and infrastructure.
- Experience with CI/CD, Kubernetes and identity systems, with exposure to AI or agentic systems.
- Experience defining testing scope, rules of engagement and threat‑led, attack‑chain‑based assessments.
- Familiarity with automation, breach and attack simulation tooling or other approaches to scaling offensive testing.
- Experience leading or developing technical teams, including performance management and coaching.
- Strong judgement in prioritising work, balancing risk, impact and competing demands.
- Experience building teams and evolving ways of working as the function matures.
- Strong communication skills, with the ability to explain offensive findings and drive remediation.
- Ability to influence technical decisions through credibility, evidence and collaboration.
Benefits
- Highly competitive compensation plus annual discretionary bonus.
- Lunch provided via Just Eat for Business and dedicated barista bar.
- 35 days’ annual leave.
- 9% company pension contributions.
- Informal dress code and excellent work‑life balance.
- Comprehensive healthcare and life assurance.
- Cycle‑to‑work scheme.
- Monthly company events.
G-Research is committed to cultivating and preserving an inclusive work environment.
We place great value on diversity of experience and opinions and want to ensure that applicants receive a recruitment experience that enables them to perform at their best.
If you have a disability or special need that requires accommodation, please let us know in the relevant section.
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Offensive Security Manager employer: Barlowe LLP
At G-Research, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration among world-class researchers and engineers. Located in London, our team enjoys highly competitive compensation, generous annual leave, and a strong commitment to work/life balance, alongside unique perks like a dedicated barista bar and monthly company events. We are dedicated to employee growth, providing opportunities to work on cutting-edge security systems while ensuring an inclusive environment for all.
StudySmarter Expert Advice🤫
We think this is how you could land Offensive Security Manager
✨Get Involved in the Cybersecurity Community
Diving into the cybersecurity community is key for landing that full-time gig. Join forums like Reddit's r/cybersecurity or attend local meetups to connect with industry veterans and other job seekers. Networking is everything in this field—don’t just be a passive lurker!
✨Show Off Your Skills with Capture the Flag Competitions
Participate in Capture the Flag (CTF) competitions; these are not just a fun way to boost your skills but also a chance to showcase your talent to potential employers. Many companies, including Barlowe LLP, love seeing candidates who actively engage in these challenges.
✨Tailor Your Online Presence
Make sure your LinkedIn and any professional profiles reflect your cybersecurity expertise. Share your projects, whether they’re personal or from a previous role, to catch the eye of hiring managers. This is how they’ll find your passion and commitment to the field!
✨Apply Directly Through Barlowe LLP
Don’t forget to head straight to our website and check out any openings for cybersecurity roles at Barlowe LLP. Applying directly can sometimes give you an edge, especially if you can mention that you've been following our work or engaging in the community.
We think you need these skills to ace Offensive Security Manager
Some tips for your application 🫡
Show off your technical skills:In cybersecurity, it's crucial to highlight your technical prowess. Make sure your CV showcases specific skills like network security, penetration testing, or threat analysis. If you have relevant certifications (like CEH or CISSP), pop those on the front page to grab attention!
Tailor your portfolio for the role:Even for a full-time role, a portfolio can set you apart. If you've worked on any cybersecurity projects—be it CTF challenges, security assessments, or research papers—include these in your application. This demonstrates not just your skills, but also your hands-on experience!
Use real-world examples:When writing your cover letter, don’t just stick to your qualifications. Share real-world examples of how you’ve tackled security issues or vulnerabilities. This gives the hiring team at Barlowe LLP insight into your practical problem-solving abilities and makes your application memorable.
Demonstrate your passion for cybersecurity:Cybersecurity is an ever-evolving field, so show us that you’re always learning! Mention any recent courses, webinars, or industry events you’ve attended. This not only exhibits your enthusiasm but also signals to Barlowe LLP that you’re committed to staying ahead in the game.
How to prepare for a job interview at Barlowe LLP
✨Sharpen Your Technical Skills
For a role in cybersecurity, it’s essential to be up-to-date with the latest tools and techniques. Brush up on your knowledge of firewalls, intrusion detection systems, and vulnerability assessment tools. Be ready to discuss specific scenarios where you’ve applied these skills, as hands-on experience can really set us apart in interviews.
✨Prepare for Scenario-Based Questions
Expect the interviewers at Barlowe LLP to throw in some hypothetical situations to see how you’d handle them. Think about common security breaches or incidents and be prepared to explain how you would respond. This not only shows your problem-solving skills but also your understanding of real-world cybersecurity challenges.
✨Highlight Your Certifications
Certifications like CompTIA Security+, CISSP, or CEH can give you a significant edge in a full-time role in cybersecurity. Make sure to mention these during your interview and be prepared to discuss what you learned through those certifications and how they relate to the position at Barlowe LLP.
✨Show Your Passion for Cybersecurity
Since you’re going for a full-time gig, showing genuine enthusiasm for the field can make all the difference. Share any personal projects, blogs, or communities you’re part of that relate to cybersecurity. This not only showcases your passion but also your commitment to staying engaged in this ever-evolving field.
