Penetration Tester (CHECK/CREST) in London
Penetration Tester (CHECK/CREST)

Penetration Tester (CHECK/CREST) in London

London Full-Time 55000 - 90000 £ / year (est.) Home office (partial)
Oscar Associates Ltd

At a Glance

  • Tasks: Conduct penetration tests on web apps, APIs, and infrastructure while leading client engagements.
  • Company: Join a top UK consultancy focused on offensive security with a dynamic team.
  • Benefits: Competitive salary, remote work, expenses covered, and bonuses for site visits.
  • Other info: Flexible roles available for mid and senior levels with varied engagement types.
  • Why this job: Make a real impact in cybersecurity with diverse projects and clear career paths.
  • Qualifications: Experience in penetration testing and strong communication skills.

The predicted salary is between 55000 - 90000 £ per year.

Location: Fully Remote, UK (with client site visits as required)

Salary: £55,000 - £90,000 DOE + expenses + overnight bonus for site work

Type: Permanent, Full-Time

Summary:

We are looking for experienced Penetration Testers to join one of the UK's larger dedicated offensive security practices. With a team of around 70 testers split across CHECK and Crest work, this is a well-established consultancy delivering high-quality assessments across a broad client base, with genuine variety in engagement type, sector, and technical depth.

The team is structured across two streams, more commercially-driven engagements through Crest, and deeper, security-led work through CHECK, so there's a clear path whichever direction you want to lean. Multiple roles are available across mid and senior levels, and the company is flexible on starting clearance level.

This role is fully remote with client site visits as required. No two weeks look the same.

Key Responsibilities:

  • Deliver web application, API, and infrastructure penetration tests, taking ownership of engagements end-to-end from scoping through to final report delivery.
  • Lead client-facing engagements, communicating high-risk findings as they are identified to support swift remediation.

Penetration Tester (CHECK/CREST) in London employer: Oscar Associates Ltd

As a leading player in the UK's offensive security landscape, our company offers Penetration Testers a dynamic and supportive work environment that prioritises professional growth and development. With a fully remote setup complemented by client site visits, employees enjoy flexibility while engaging in diverse projects across various sectors, ensuring no two weeks are the same. We foster a culture of collaboration and innovation, providing ample opportunities for career advancement within our well-established team of experts.
Oscar Associates Ltd

Contact Detail:

Oscar Associates Ltd Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Penetration Tester (CHECK/CREST) in London

✨Tip Number 1

Network like a pro! Reach out to fellow Penetration Testers and industry professionals on LinkedIn or at local meetups. We all know that sometimes it’s not just what you know, but who you know that can help you land that dream job.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your past penetration tests, findings, and any cool projects you've worked on. This gives potential employers a taste of what you can bring to the table, and we all love a good showcase!

✨Tip Number 3

Prepare for those interviews! Brush up on common penetration testing scenarios and be ready to discuss your approach to different types of engagements. We want you to feel confident and ready to impress when the time comes.

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we’re always on the lookout for passionate testers like you to join our team!

We think you need these skills to ace Penetration Tester (CHECK/CREST) in London

Penetration Testing
Web Application Security
API Security
Infrastructure Security
Client Engagement
Report Writing
Risk Assessment
Communication Skills
Problem-Solving Skills
Technical Knowledge in Offensive Security
Scoping and Planning
Remediation Support
Team Collaboration
Adaptability

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Penetration Tester role. Highlight your relevant experience, especially in web application and API testing. We want to see how your skills match what we're looking for!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you're passionate about penetration testing and how you can contribute to our team. Keep it engaging and personal – we love a bit of personality!

Showcase Your Skills: In your application, don’t forget to mention any specific tools or methodologies you’re familiar with. Whether it's CHECK or CREST, let us know how your expertise aligns with our needs. We appreciate a proactive approach!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you’re keen on joining our team at StudySmarter!

How to prepare for a job interview at Oscar Associates Ltd

✨Know Your Stuff

Make sure you brush up on your technical skills related to penetration testing. Familiarise yourself with the latest tools and techniques in web application, API, and infrastructure testing. Being able to discuss specific methodologies or recent projects will show your expertise and passion for the field.

✨Understand the Company

Research the consultancy's approach to CHECK and Crest work. Knowing their client base and the types of engagements they handle will help you tailor your responses. It’s also a great way to demonstrate your interest in the role and how you can contribute to their success.

✨Prepare for Client Engagement Scenarios

Since the role involves leading client-facing engagements, think about how you would communicate high-risk findings effectively. Prepare examples of how you've handled similar situations in the past, focusing on your communication skills and ability to support swift remediation.

✨Ask Insightful Questions

At the end of the interview, don’t shy away from asking questions. Inquire about the team structure, the variety of engagements, or how they support professional development. This shows that you’re not just interested in the job, but also in growing with the company.

Penetration Tester (CHECK/CREST) in London
Oscar Associates Ltd
Location: London

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