At a Glance
- Tasks: Investigate security vulnerabilities and develop reliable testing methods for applications and APIs.
- Company: Nebula, a cutting-edge security workspace focused on innovation.
- Benefits: Remote work, competitive salary, and opportunities for professional growth.
- Other info: Dynamic remote role with a focus on collaboration and continuous learning.
- Why this job: Join a small team to make a real impact in security research and engineering.
- Qualifications: Experience in application security research or penetration testing is a plus.
The predicted salary is between 72000 - 88000 £ per year.
Nebula brings planning, tool use, investigation and reporting into a security workspace.
The engineering challenge spans reliable execution, evidence quality and interfaces that people can follow.
Work can range from an API authorisation path to an interrupted task, a noisy finding or a difficult mobile layout.
The goal is to make the behaviour dependable and the result understandable.
A small team connects research and engineering directly to the people using the product.
Build across disciplines
Application security, agent systems and platform reliability meet in the same workflow.
Remote roles
Explore the remote, full-time roles below. Discuss location, working arrangements and role-specific expectations with the team.
- Find your focus
- Open roles
Open a role to see the work and the experience that would help.
- Security research
- Offensive Security Researcher
- Remote · Full-time
Turn careful manual investigation into repeatable, evidence-led testing.
- What you will work on
- Investigate application and API attack paths in authorised environments.
- Develop test cases that distinguish an observation from a reproducible finding.
- Explain impact, remediation and retest requirements clearly.
- Useful experience
Practical application security research, responsible disclosure or penetration testing. Share a permitted write-up, lab or tool that shows how you think.
Build the planning, tool use and evaluation behind Nebula.
- What you will work on
- Design how agents plan, coordinate and recover from tool failures.
- Evaluate investigation quality using realistic, repeatable tasks.
- Improve reliability, latency and cost with measurable evidence.
- Useful experience
Experience building or evaluating LLM applications, agent workflows or machine-learning systems. A small well-tested system is useful evidence.
Build reliable APIs and orchestration for long-running security work.
- What you will work on
- Develop APIs and task execution in the Python and Fast API stack.
- Keep permissions, session state and evidence handling explicit.
- Make failures observable and recovery paths testable.
- Useful experience
API design, asynchronous services, data modelling and automated testing. Tell us about a difficult production failure you helped resolve.
Keep security tools isolated, observable and available to the right session.
- What you will work on
- Build and harden container execution, networking and workspace storage.
- Improve resource limits, recovery and deployment verification.
- Make operational behaviour understandable through bounded diagnostics.
- Useful experience
Linux, containers, networking and service operations. Share a design or incident review that demonstrates your approach to isolation and reliability.
Make complex security investigations clear and usable.
- What you will work on
- Build accessible React interfaces for tasks, findings and evidence.
- Connect real-time product state to clear loading and recovery behaviour.
- Work across interfaces, API contracts and meaningful end-to-end checks.
- Useful experience
React, Type Script, accessible interface design and API integration. Show a shipped feature, thoughtful component or useful open-source contribution.
Show what happened, how you know and what remains uncertain. Good security work makes the next decision easier.
Care for the boundaries
Authorisation, isolation and responsible handling of data are part of engineering the product.
Own the whole behaviour
Consider the user, the failure path and the test. A useful feature is understandable, recoverable and maintainable.
Offensive Security Researcher in London employer: Breachline Labs Limited
Breachline Labs Limited fosters a collaborative and innovative work culture, allowing employees to engage in meaningful security research. The company emphasizes remote work flexibility and provides opportunities for professional development in the field of offensive security.
StudySmarter Expert Advice🤫
We think this is how you could land Offensive Security Researcher in London
✨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 Breachline Labs Limited, 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 Breachline Labs Limited
Don’t forget to head straight to our website and check out any openings for cybersecurity roles at Breachline Labs Limited. 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 Researcher in London
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 Breachline Labs Limited 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 Breachline Labs Limited that you’re committed to staying ahead in the game.
How to prepare for a job interview at Breachline Labs Limited
✨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 Breachline Labs Limited 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 Breachline Labs Limited.
✨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.
