CHECK Or Crest Penetration Tester
CHECK Or Crest Penetration Tester

CHECK Or Crest Penetration Tester

Full-Time 40000 - 45000 £ / year (est.) Home office (partial)
Oscar Associates Ltd

At a Glance

  • Tasks: Conduct penetration tests on web apps, APIs, and infrastructure to identify vulnerabilities.
  • Company: Join a dynamic security team in Leeds with a focus on innovation.
  • Benefits: Enjoy a competitive salary, hybrid working, and a company pension scheme.
  • Other info: Opportunity for career growth and collaboration with experienced consultants.
  • Why this job: Make a real impact by helping clients secure their environments and grow your skills.
  • Qualifications: CHECK Team Member status or working towards Crest Registered Tester certification required.

The predicted salary is between 40000 - 45000 £ per year.

We are looking for a skilled and motivated Penetration Tester to join a growing security team in Leeds. The main purpose of this role is to deliver high‑quality offensive security assessments across web applications, APIs, and infrastructure, helping clients understand and remediate vulnerabilities across their environments. This is a great opportunity for a CHECK Team Member (CTM) or a tester actively progressing along the Crest Pathway (CRT) to take ownership of engagements end‑to‑end, work alongside experienced consultants, and continue developing technically across a varied client base. This role operates on a hybrid basis in Leeds, with occasional site visits required.

Key Responsibilities

  • Carry out web application, API, and infrastructure penetration tests, taking ownership of engagements from scoping through to final report delivery.
  • Support purple team activities including phishing simulations and malicious insider style assessments.
  • Produce clear, professional reports for clients, tailoring findings to client‑specific context and business risk.
  • Communicate high‑risk vulnerabilities to clients as they are identified, supporting swift remediation.
  • Support junior team members and assist with quality assurance on reports where required.
  • Assist with the maintenance of internal penetration testing infrastructure, including device setup and tooling updates.
  • Stay up to date with the evolving threat landscape, contributing to internal knowledge sharing and continued team development.

Requirements

  • CHECK Team Member (CTM) status, or actively working towards Crest Registered Tester (CRT) on the Crest Pathway.
  • Hands‑on experience delivering web application, API, and/or infrastructure penetration tests in a professional setting.
  • Strong understanding of common vulnerability classes (eg OWASP Top 10), exploitation techniques, and remediation guidance.
  • Confident client‑facing communication skills, with the ability to explain technical findings to both technical and non‑technical audiences.
  • Strong written reporting skills, with the ability to produce clear, well‑structured deliverables.

Benefits

  • Salary: £40,000 - £45,000 DOE
  • Hybrid Working
  • Company Pension Scheme

CHECK Or Crest Penetration Tester employer: Oscar Associates Ltd

Join a dynamic and innovative security team in Leeds as a Penetration Tester, where you'll have the opportunity to take ownership of engagements and work alongside experienced consultants. Our hybrid working model promotes a healthy work-life balance, while our commitment to employee growth ensures you can advance your skills and career in a supportive environment. With competitive salaries and a company pension scheme, we offer a rewarding workplace for those looking to make a meaningful impact in the field of cybersecurity.
Oscar Associates Ltd

Contact Detail:

Oscar Associates Ltd Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land CHECK Or Crest Penetration Tester

✨Tip Number 1

Network like a pro! Attend local meetups or online webinars related to penetration testing. It's a great way to connect with industry professionals and might just lead to your next job opportunity.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your penetration testing projects, including any reports you've written. This will give potential employers a taste of what you can do and set you apart from the crowd.

✨Tip Number 3

Don’t be shy about reaching out! If you see a role that excites you, drop a message to the hiring manager or team members on LinkedIn. A personal touch can make a big difference in getting noticed.

✨Tip Number 4

Apply through our website! We love seeing applications directly from candidates who are genuinely interested in joining our team. Plus, it shows you're proactive and keen on being part of our security journey.

We think you need these skills to ace CHECK Or Crest Penetration Tester

Penetration Testing
Web Application Security
API Security
Infrastructure Security
CHECK Team Member (CTM) status
Crest Registered Tester (CRT) progression
Vulnerability Assessment
Exploitation Techniques
Remediation Guidance
Client-Facing Communication
Technical Reporting
Knowledge Sharing
Quality Assurance
Threat Landscape Awareness

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that match the Penetration Tester role. Highlight your CHECK Team Member status or progress towards it, and any hands-on experience with web applications, APIs, and infrastructure testing.

Craft a Compelling Cover Letter: Use your cover letter to tell us why you're passionate about penetration testing. Share specific examples of your work, especially those that demonstrate your ability to communicate technical findings clearly to clients.

Showcase Your Reporting Skills: Since strong written reporting skills are key for this role, consider including samples of your previous reports or summarising your approach to producing clear, professional documentation in your application.

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates during the process.

How to prepare for a job interview at Oscar Associates Ltd

✨Know Your Stuff

Make sure you brush up on your knowledge of web applications, APIs, and infrastructure penetration testing. Familiarise yourself with the OWASP Top 10 vulnerabilities and be ready to discuss how you've tackled them in past roles.

✨Showcase Your Communication Skills

Since you'll need to explain technical findings to both technical and non-technical audiences, practice articulating complex concepts in simple terms. Consider preparing a few examples of how you've communicated findings effectively in previous projects.

✨Tailor Your Approach

Research the company and its clients to understand their specific security needs. Be prepared to discuss how you would tailor your penetration testing approach to fit their context and business risks.

✨Ask Insightful Questions

Prepare some thoughtful questions about the team dynamics, ongoing projects, and the company's approach to security. This shows your genuine interest in the role and helps you assess if it's the right fit for you.

CHECK Or Crest Penetration Tester
Oscar Associates Ltd

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