Offensive Security Consultant

Offensive Security Consultant

Full-Time 50000 - 65000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Deliver advanced penetration testing and strengthen client defences against cyber threats.
  • Company: Join Quorum Cyber, a fast-growing leader in cybersecurity with a collaborative culture.
  • Benefits: Enjoy a competitive salary, world-class benefits, and access to cutting-edge technology.
  • Other info: Be part of a diverse team that values continuous learning and innovation.
  • Why this job: Make a real impact in cybersecurity while developing your skills in a dynamic environment.
  • Qualifications: Experience in offensive security and relevant certifications like OSCP or equivalent.

The predicted salary is between 50000 - 65000 £ per year.

Location: Hybrid / Redheughs Rigg, Edinburgh EH12 9DQ, UK

Job type: Permanent / Full-time

Sector and subsector: IT | Cybersecurity

Salary: Competitive salary

Company Description: At Quorum Cyber, we’re on a mission to help good people win. Founded in Edinburgh in 2016, we’re one of the fastest growing cyber security companies in the UK and North America, serving over 400 customers on four continents. We protect organisations against the rising threat of cyber‑attacks, enabling them to thrive in an increasingly unpredictable and inhospitable digital landscape. As a Microsoft‑only security house, a Microsoft Solutions Partner for Security, a member of the Microsoft Intelligent Security Association (MISA), and winner of the Microsoft Security MSSP of the Year 2025 award, we offer a unified security ecosystem comprised of innovative services, all delivered through our customer platform, Clarity.

In September 2024, Quorum Cyber acquired Canada‑based, Microsoft Solutions Partner for Security, Difenda. This was closely followed in December 2024 by the acquisition of US‑based, Kivu Consulting, a global cyber security firm with world‑leading incident response capabilities.

Role Purpose: The Offensive Security Consultant delivers advanced penetration testing, red teaming, and compromise assessment engagements, working closely with clients to identify vulnerabilities and strengthen their defences. The role contributes to developing new methodologies, tools, and services that enhance the organisation’s offensive security capabilities.

What I Do Is:

  • Play a key part in setting the strategy and direction of the Offensive Security team, including building new products and services, developing methodologies, creating processes, selecting tools, ensuring quality assurance and managing certification paths.
  • Lead, manage and deliver technical engagements, ensuring we provide best‑in‑class cyber security services to our customers.
  • Ensure our clients build and strengthen their internal capabilities, partnering with internal security teams to increase the effectiveness of their investment and reduction of risk.
  • Build and nurture the team, ensuring we find and retain the best people, grow their skills and help them develop their careers.
  • Lead and collaborate in technical research, ensuring teams are always advancing our practices and improving our skills.

The Skills I Need Are:

  • Proven technical experience in penetration testing, red team, or offensive security engagements.
  • Deep understanding of attack methodologies, vulnerability exploitation, and post‑exploitation techniques.
  • Relevant certifications such as OSCP, CPSA, CRT or equivalent.
  • Strong communication skills with the ability to explain technical findings clearly to diverse audiences.
  • Ability to work autonomously within a team, manage multiple engagements, and balance priorities effectively.
  • A collaborative mindset with a passion for continuous learning and technical innovation.

I Know I Have Done A Great Job If:

  • My engagements are delivered on time, within scope, and to consistently high technical standards.
  • I’ve strengthened client trust through collaboration, communication, and expert advice.
  • I’ve contributed to developing new tools, methodologies, or services that enhance our offensive security offering.
  • I mentor others, helping the team grow in both capability and confidence.
  • I’ve played a key role in creating an environment where the team continually learns, innovates, and enjoys delivering great work together.

Other Information: You will get an excellent salary, with world class benefits. As a leading‑edge technology company you will have access to the latest technology, and an environment that will encourage and nurture your curiosity. We are passionate about your development, and you will be empowered to advance your skills and expertise.

Our Commitment to Equality & Diversity: Our diversity is a huge part of our success, and collecting data during the hiring process helps us understand how to keep strengthening and supporting that diversity. We are an equal opportunity employer. We are committed to fostering an inclusive, accessible, and equitable workplace where all qualified applicants receive fair consideration. We do not discriminate on the basis of race, national or ethnic origin, colour, religion, age, sex, sexual orientation, gender identity or expression, marital status, family status, disability, or any other characteristic protected under applicable federal, provincial, or territorial human rights legislation.

Offensive Security Consultant employer: Hollybank Trustees Ltd

Quorum Cyber is an exceptional employer, offering a dynamic work environment in the heart of Edinburgh, where innovation and collaboration thrive. With a strong commitment to employee development, competitive salaries, and world-class benefits, we empower our Offensive Security Consultants to advance their skills while working with cutting-edge technology. Our inclusive culture fosters diversity and encourages continuous learning, making Quorum Cyber a rewarding place for those passionate about cybersecurity.

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Contact Details:

Hollybank Trustees Ltd Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Offensive Security Consultant

Tip Number 1

Network like a pro! Get out there and connect with folks in the cybersecurity scene. Attend meetups, webinars, or even local events. You never know who might have the inside scoop on job openings or can put in a good word for you.

Tip Number 2

Show off your skills! Create a portfolio showcasing your penetration testing projects or any red teaming engagements you've done. This gives potential employers a taste of what you can bring to the table and sets you apart from the crowd.

Tip Number 3

Prepare for interviews by brushing up on your technical knowledge and soft skills. Practice explaining complex concepts in simple terms, as you'll need to communicate effectively with diverse audiences. Remember, it's not just about what you know, but how you share it!

Tip Number 4

Apply through our website! We love seeing candidates who are genuinely interested in joining our team. Tailor your application to highlight your relevant experience and passion for offensive security. Let's make this happen together!

We think you need these skills to ace Offensive Security Consultant

Penetration Testing
Red Teaming
Compromise Assessment
Attack Methodologies
Vulnerability Exploitation
Post-Exploitation Techniques
OSCP Certification

Some tips for your application 🫡

Tailor Your CV:Make sure your CV is tailored to the Offensive Security Consultant role. Highlight your relevant experience in penetration testing and any certifications you hold, like OSCP or CPSA. We want to see how your skills align with our mission!

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. Be sure to mention any specific methodologies or tools you've worked with that relate to the role.

Showcase Your Communication Skills:Since strong communication is key for this role, make sure your application reflects your ability to explain complex technical concepts clearly. We love candidates who can bridge the gap between tech and non-tech audiences!

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 genuinely interested in joining our team at Quorum Cyber!

How to prepare for a job interview at Hollybank Trustees Ltd

Know Your Stuff

Make sure you brush up on your technical skills related to penetration testing and red teaming. Be ready to discuss specific methodologies, tools, and techniques you've used in past engagements. This will show that you’re not just familiar with the theory but have practical experience too.

Communicate Clearly

Since strong communication skills are key for this role, practice explaining complex technical concepts in simple terms. You might be asked to present findings to non-technical stakeholders, so being able to articulate your thoughts clearly will set you apart.

Show Your Collaborative Spirit

Quorum Cyber values teamwork, so be prepared to share examples of how you've worked with others in previous roles. Highlight any experiences where you’ve partnered with internal security teams or mentored colleagues, as this demonstrates your collaborative mindset.

Stay Curious and Innovative

This role requires a passion for continuous learning and technical innovation. Be ready to discuss how you keep up with the latest trends in cybersecurity and any new tools or methodologies you’ve explored. Showing your enthusiasm for growth will resonate well with the interviewers.