Senior Penetration Tester in Belfast

Senior Penetration Tester in Belfast

Belfast Full-Time 43200 - 72000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Join our team as a Senior Penetration Tester and tackle exciting security challenges.
  • Company: Instil, an award-winning tech company with a focus on innovation and collaboration.
  • Benefits: Enjoy flexible working, competitive salary, generous holiday, and professional development opportunities.
  • Why this job: Make a real impact in offensive security while mentoring junior testers in a supportive environment.
  • Qualifications: CHECK Team Member status and at least 2 years of penetration testing experience required.
  • Other info: Be part of a vibrant culture with community initiatives and a commitment to employee wellbeing.

The predicted salary is between 43200 - 72000 £ per year.

We are looking for a Senior Penetration Tester with CHECK to join our growing team. You will play a critical role in delivering high-quality penetration testing engagements across infrastructure, cloud, web, and mobile applications for a diverse range of clients, including software, fintech, manufacturing, engineering, legal, and public sector organisations. This is a hands-on role where your expertise will help identify and remediate security weaknesses, while contributing to the development of our methodologies and mentoring junior testers. If you’re passionate about offensive security and want to work on varied, challenging projects in a supportive environment, we’d love to hear from you.

Essential Skills

  • CHECK Team Member (CTM) status
  • Current UK Security Clearance
  • At least 2 years of penetration testing experience
  • Strong experience with web application and network penetration testing methodologies
  • In-depth knowledge of operating systems (Linux, Windows, Active Directory)
  • Familiarity with cloud environments and ability to perform cloud security reviews
  • Proficiency with tools such as BurpSuite Pro, Nmap, Nessus, and Kali Linux
  • Knowledge of scripting languages (Python, Shell, etc.)

Nice-to-Have

  • CHECK Team Lead (CTL) status (Infrastructure or Applications)
  • Relevant certifications (OSCP, Cyber Scheme)
  • Experience with Hack the Box or Capture the Flag simulations

Why Join Instil?

  • Recognition That Matters: A discretionary annual performance bonus that rewards your impact and contribution to our success.
  • Flexibility Built In: Flexible working arrangements and summer hours, because life isn’t 9 to 5, and balance matters.
  • Financial Security: A highly competitive pension scheme with generous employer contributions, private healthcare, and life assurance for peace of mind.
  • Health & Wellbeing: Employee Assistance Programme, mental health support, cycle-to-work scheme, and regular social events to keep our culture vibrant.
  • Time to Recharge: 35 days holiday, enhanced maternity pay, and family-first policies so you can focus on what matters most.
  • Learning Never Stops: From courses to certifications, we’ll invest in your development so you can keep growing and shaping what’s next.
  • Community & Culture: Opportunities to volunteer, give back, and be part of initiatives that make Instil a truly inclusive and connected workplace.

And that’s just the start, drop us a note to find out more.

Company Description

Instil has been delivering world-class software engineering and technology solutions for over 20 years, trusted by global brands to solve complex challenges and drive innovation. From modernising legacy systems to building cutting-edge applications, we help our clients navigate an ever-changing digital landscape with confidence and agility. We’re proud to be an award-winning employer, reflecting how our people are at the heart of everything we do: Recognised as a Great Place to Work for three consecutive years, and in 2024 ranked in the Top 20 Best Workplaces in the UK for medium-sized companies. Winner of Company of the Year at the Digital DNA Awards 2022, celebrating excellence in Northern Ireland’s tech sector. Driven by a love for technology and a commitment to excellence, we bring together people who want to make a difference. We’ll support your journey, because your success is part of ours.

Senior Penetration Tester in Belfast employer: Instil Software

Instil is an exceptional employer that prioritises the wellbeing and growth of its employees, offering a comprehensive benefits package that includes flexible working arrangements, a competitive pension scheme, and extensive learning opportunities. With a vibrant work culture that fosters collaboration and inclusivity, employees are encouraged to thrive both personally and professionally, making it an ideal place for those passionate about offensive security to make a meaningful impact in a supportive environment.
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Contact Detail:

Instil Software Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Penetration Tester in Belfast

✨Tip Number 1

Network like a pro! Reach out to folks in the industry, attend meetups, and join online forums. The more connections we make, the better our chances of landing that Senior Penetration Tester role.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your penetration testing projects, tools you've used, and any cool challenges you've tackled. This will help us stand out when applying through our website.

✨Tip Number 3

Prepare for interviews by brushing up on common questions and scenarios related to penetration testing. We should also be ready to discuss our methodologies and how we can contribute to the team at Instil.

✨Tip Number 4

Don’t forget to follow up after interviews! A quick thank-you email can go a long way in showing our enthusiasm for the role and keeping us fresh in the interviewer's mind.

We think you need these skills to ace Senior Penetration Tester in Belfast

CHECK Team Member (CTM) status
Current UK Security Clearance
Penetration Testing Experience
Web Application Penetration Testing Methodologies
Network Penetration Testing Methodologies
Operating Systems Knowledge (Linux, Windows, Active Directory)
Cloud Security Reviews
Proficiency with BurpSuite Pro
Proficiency with Nmap
Proficiency with Nessus
Proficiency with Kali Linux
Knowledge of Scripting Languages (Python, Shell)
CHECK Team Lead (CTL) status (Infrastructure or Applications)
Relevant Certifications (OSCP, Cyber Scheme)
Experience with Hack the Box or Capture the Flag Simulations

Some tips for your application 🫡

Tailor Your CV: Make sure your CV is tailored to the Senior Penetration Tester role. Highlight your CHECK status, relevant experience, and any specific tools or methodologies you've used. 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! Share your passion for offensive security and why you want to join our team at Instil. Be sure to mention any unique projects or experiences that set you apart from other candidates.

Showcase Your Skills: In your application, don't just list your skills—show us how you've applied them in real-world scenarios. Whether it's through penetration testing engagements or mentoring junior testers, we want to see your hands-on experience!

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 serious about joining our awesome team!

How to prepare for a job interview at Instil Software

✨Know Your Tools Inside Out

Make sure you're well-versed in the tools mentioned in the job description, like BurpSuite Pro and Nmap. Practise using them in real-world scenarios or labs to demonstrate your hands-on experience during the interview.

✨Showcase Your Methodologies

Be prepared to discuss your approach to penetration testing. Highlight specific methodologies you've used in past projects, especially for web applications and cloud environments. This will show that you not only have the skills but also a structured way of thinking.

✨Brush Up on Security Clearance Knowledge

Since current UK Security Clearance is essential, be ready to talk about your clearance status and any relevant experiences. Understanding the implications of security clearance can set you apart as a candidate who takes compliance seriously.

✨Demonstrate Your Passion for Offensive Security

Share examples of your passion for offensive security, whether it's through personal projects, participation in Hack the Box, or Capture the Flag events. This enthusiasm can resonate well with the interviewers and show that you're genuinely invested in the field.

Senior Penetration Tester in Belfast
Instil Software
Location: Belfast

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