Penetration Tester -Remote Working in Chelmsford, Essex

Penetration Tester -Remote Working in Chelmsford, Essex

Chelmsford +1 Full-Time 55000 - 90000 £ / year (est.) No home office possible
Oscar Associates (UK) Limited

At a Glance

  • Tasks: Conduct penetration tests on web apps, APIs, and infrastructure while leading client engagements.
  • Company: Join a top UK consultancy with a strong focus on offensive security.
  • Benefits: Earn £55,000 - £90,000 plus bonuses, remote work, and travel expenses covered.
  • Other info: Flexible roles available for mid and senior levels with excellent career growth.
  • Why this job: Make a real impact in cybersecurity while working remotely and mentoring others.
  • Qualifications: Experience in penetration testing and strong communication skills required.

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

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.

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.

  • 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.
  • Produce clear, professional reports tailored to client-specific context and business risk.
  • Contribute to internal QA, mentor more junior consultants, and support report quality across the team.
  • Hands-on experience delivering web application, API, and/or infrastructure penetration tests in a professional consultancy setting.

Salary: £55,000 - £90,000, depending on experience, certifications and clearance level.

Benefits include:

  • Fully remote working
  • Overnight bonus for client site visits
  • Travel and expenses covered for client work
  • Company pension scheme

Locations

Chelmsford Essex

Penetration Tester -Remote Working in Chelmsford, Essex employer: Oscar Associates (UK) Limited

Join a leading offensive security consultancy that values your expertise and offers a fully remote working environment, allowing you to balance your professional and personal life seamlessly. With competitive salaries, generous travel expenses, and an overnight bonus for client site visits, we prioritise employee well-being while fostering a culture of mentorship and continuous learning. Here, you'll have the opportunity to work on diverse projects, enhance your skills, and contribute to a team dedicated to delivering high-quality security assessments across various sectors.
Oscar Associates (UK) Limited

Contact Detail:

Oscar Associates (UK) Limited Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Penetration Tester -Remote Working in Chelmsford, Essex

✨Tip Number 1

Network like a pro! Connect with fellow penetration testers on LinkedIn or join relevant forums. Engaging with the community can lead to job opportunities that aren't even advertised yet.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your penetration testing projects, whether they're from Hack The Box or personal challenges. This gives potential employers a taste of what you can do.

✨Tip Number 3

Prepare for interviews by brushing up on common penetration testing scenarios and tools. Practise explaining your thought process during tests, as this will impress interviewers and show your expertise.

✨Tip Number 4

Don't forget to apply through our website! We have multiple roles available, and applying directly can give you an edge. Plus, it shows you're genuinely interested in joining our team.

We think you need these skills to ace Penetration Tester -Remote Working in Chelmsford, Essex

Penetration Testing
CHECK Certification
CREST Certification
Web Application Testing
API Testing
Infrastructure Testing
Client Engagement
Report Writing
Quality Assurance
Mentoring
Risk Assessment
Technical Research
Community Involvement

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience in penetration testing, especially with CHECK and CREST. We want to see how your skills match the role, so don’t be shy about showcasing relevant projects or certifications!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about offensive security and how you can contribute to our team. Keep it professional but let your personality come through.

Showcase Your Technical Skills: In your application, mention specific tools and methodologies you’ve used in your penetration testing work. We love seeing hands-on experience, so if you've tackled web applications, APIs, or infrastructure, let us know!

Apply Through Our Website: We encourage you to apply directly through our website for the best chance of getting noticed. It’s super easy, and you’ll be one step closer to joining our awesome team of testers!

How to prepare for a job interview at Oscar Associates (UK) Limited

✨Know Your Stuff

Make sure you brush up on your technical skills related to penetration testing. Familiarise yourself with the latest tools and techniques, especially those relevant to web applications, APIs, and infrastructure. Being able to discuss your hands-on experience confidently will impress the interviewers.

✨Tailor Your Approach

Research the company and its client base before the interview. Understand their specific needs and challenges in offensive security. This will help you tailor your responses and demonstrate how your skills can directly benefit them, making you a more attractive candidate.

✨Showcase Your Communication Skills

As a Penetration Tester, you'll need to communicate findings clearly to clients. Prepare to discuss how you've effectively communicated high-risk issues in past roles. Use examples that highlight your ability to convey complex information in an understandable way.

✨Engage with the Community

Mention any involvement in the cybersecurity community, such as participating in Hack The Box or TryHackMe. This shows your passion for the field and commitment to continuous learning. It also indicates that you're up-to-date with current trends and practices in penetration testing.

Penetration Tester -Remote Working in Chelmsford, Essex
Oscar Associates (UK) Limited
Location: Chelmsford

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