Senior Penetration Tester
Senior Penetration Tester

Senior Penetration Tester

Leatherhead Full-Time 48000 - 84000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Join our assurance testing team to deliver top-notch penetration testing services.
  • Company: Bytes is a rapidly growing tech company with over 600 employees, focused on digital transformation.
  • Benefits: Enjoy hybrid working, excellent training, gym access, and a vibrant office culture.
  • Why this job: Shape the future of cybersecurity while mentoring junior testers in a supportive environment.
  • Qualifications: 3 years of penetration testing experience and relevant certifications are essential.
  • Other info: Be part of a Sunday Times Top 100 Best Place to Work with strong diversity commitments.

The predicted salary is between 48000 - 84000 £ per year.

Established in 1982, Bytes has grown rapidly and now employs over 600+ people across 5 locations in the UK and Ireland. Our turnover in Financial Year 2019 was in excess of £520M. We work with SME’s, corporates and public sector organisations to modernise and digitally transform their IT infrastructures.

We invest in our employees through on-going support, training and advice to help them achieve their career aspirations, rewarding success both financially and personally. There is opportunity to grow and move internally which can be seen through our long-standing employees who have developed existing and new skills to move into senior positions in the organisation leaving space for new team members to begin their journey.

  • Over 600 staff (plans to double in size over the next 5 years)
  • Operating from modern, hybrid working environments with offices in Leatherhead, Reading, London or Manchester
  • Winners of an array of industry awards
  • Sunday Times Top 100 Best Places to Work
  • Excellent training and career prospects offered
  • Fantastic office with gym, canteen, open plan, smart casual dress code, regular incentives and company events
  • Supporters of 85+ charities with strong commitment to diversity and sustainability

POSITION DETAILS:

Position Title:

Reports to (POSITION):

Reports to (POSITION):

Head of Penetration Testing

Team:

Team:

Assurance Testing

Department:

Department:

Cyber Consulting

PURPOSE OF JOB:

(OVERALL DESCRIPTION OF THE POST WITHIN THE TEAM AND ORGANISATION)

Bytes are a CREST certified penetration testing organisation and have significant growth and expansion plans. This role is to join the assurance testing team working with Bytes customers across all aspects of penetration testing. We are seeking individuals that have both a broad range of skills or are focused on specific aspects of penetration testing and red teaming. The role is ideal for anyone that has been providing penetration testing and security consulting services to customers and is now looking for the next step up in their career, or just a great company / team to work with. The role will include delivering customer testing engagements and working on R&D projects, scoping customer engagements, completing statements of work, mentoring, training, and helping to develop new consulting services as well as increasing Bytes’ presence in thought leadership for penetration and assurance testing services. This role will shape the future of our customers technical security landscape.

KEY RESPONSIBILITIES:

  • Delivering penetration testing service, including but not limited to infrastructure, web application, API, wireless, desktop applications, and mobile application testing for customers.
  • Carry out configuration reviews including but not limited to cloud, firewalls, workstations, and servers.
  • Carry out in-depth red team and social engineering engagements.
  • To work under the direction of the Head of Assurance on internal projects, research and development, tool creation and increasing the effectiveness of our services by bringing new ideas and ways of working.
  • Provide guidance, support, and mentorship to junior penetration testers, helping them develop their technical skills, critical thinking abilities and problem-solving capabilities.

INDIVIDUAL RESPONSIBILITIES:

  • Delivering penetration testing, red teaming and configuration review services to customers.
  • Interacting with the sales team to ensure that new business is scoped appropriately for delivery of testing engagements.
  • Managing customer engagements and being responsible for the quality / timeliness of all work delivered for that customer.
  • Delivering high quality engagements to customers and delivering real value to them.
  • Document findings, vulnerabilities, and recommendations in detailed reports, providing clear and actionable information to customers or internal stakeholders.

WIDER TEAM NETWORK

(WHICH TEAMS WILL THE POSITION WORK WITH DIRECTLY AND WHO WILL THEY RELATE TO EXTERNALLY)

Internal

  • Audit, Advisory & Strategy and Assurance teams in Cyber Consulting
  • Sales teams
  • Pre-Sales teams
  • Security team
  • IT

External

  • Customers
  • Distribution

QUALIFICATIONS, EXPERIENCE, & SKILLS:

( DELETE AS REQUIRED IF ESSENTIAL OR DESIRABLE, REMOVE UNNECESSARY REQUIRENENTs)

Educational Qualifications:

DESIRABLE

Professional Qualifications

  • CREST CCT-INF / CCT-APP or equivalent

ESSENTIAL

Years of Experience

  • 3 years penetration testing consulting experience

ESSENTIAL

Other Requirements

  • Ability to pass BPSS or HMG SC vetting requirements

ESSENTIAL

(INCLUDE CORE COMPETENCIES & SKILLS REQUIRED FOR THIS POSITION BASED ON THE GRADE)

  • Good time management, can handle conflicting priorities, and deliver excellent levels of quality across all services.
  • Strong customer focus – able to meet the demands of internal and external customers.
  • Excellent communication skills – providing verbal and written communication that are outstanding to the Head of Testing as well as other stakeholders including customers.
  • Ability to work both independently and as a team and enjoy working in an environment that requires continuous learning and development.
  • Ability to adapt to a fast-moving security landscape and keep pace with latest thinking.
  • Strong code of ethics and morals.

MEASURES & GOALS

(HOW WILL THE SUCCESS OF THE PERSON IN THIS POSITION BE MEASURED – WHAT ARE THE EXPECTED OUTPUTS)

OBJECTIVE

MEASURE

FREQUENCY

Quality output / attention to detail

Feedback from QA team and customer engagements

Positive engagement with management, stakeholders, peers, and customers

Feedback whether positive or negative from personnel engaged with

Positive engagement with team and demonstration of team skills

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Senior Penetration Tester employer: Bytes Group

At Bytes, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters growth and innovation. With modern hybrid working environments across the UK, including Leatherhead, Reading, London, and Manchester, we provide excellent training opportunities and a supportive atmosphere that encourages career advancement. Our commitment to employee well-being is reflected in our fantastic office amenities, regular incentives, and a strong dedication to diversity and sustainability, making Bytes a truly rewarding place to build your career.
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Contact Detail:

Bytes Group Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Penetration Tester

✨Tip Number 1

Familiarize yourself with the specific tools and methodologies used in penetration testing. Being well-versed in industry-standard tools like Metasploit, Burp Suite, and OWASP ZAP can set you apart from other candidates.

✨Tip Number 2

Engage with the cybersecurity community by attending conferences, webinars, or local meetups. Networking with professionals in the field can provide valuable insights and potentially lead to job opportunities at Bytes.

✨Tip Number 3

Showcase your experience with real-world penetration testing scenarios. Prepare to discuss specific projects you've worked on, the challenges you faced, and how you overcame them during the interview process.

✨Tip Number 4

Highlight your ability to mentor and support junior team members. Bytes values collaboration and growth, so demonstrating your leadership skills can make a strong impression.

We think you need these skills to ace Senior Penetration Tester

Penetration Testing
Red Teaming
Configuration Review
Cloud Security
Firewall Management
Social Engineering
API Security Testing
Web Application Security
Mobile Application Security
Desktop Application Security
Technical Documentation
Customer Engagement Management
Mentoring and Training
Research and Development
Problem-Solving Skills
Excellent Communication Skills
Time Management
Adaptability to Fast-Moving Security Landscape
Strong Ethical Standards

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights relevant experience in penetration testing and security consulting. Focus on specific projects or roles that demonstrate your skills in areas like infrastructure, web application, and API testing.

Craft a Strong Cover Letter: In your cover letter, express your enthusiasm for the role and the company. Mention how your background aligns with Bytes' focus on growth and innovation in cybersecurity, and provide examples of how you've contributed to similar projects in the past.

Showcase Your Skills: Clearly outline your technical skills and certifications, such as CREST CCT-INF or CCT-APP. Highlight your experience with red teaming, configuration reviews, and mentoring junior testers, as these are key responsibilities of the role.

Demonstrate Your Communication Abilities: Since excellent communication is crucial for this position, ensure your application materials are well-written and free of errors. Use clear and concise language to convey your ideas and experiences effectively.

How to prepare for a job interview at Bytes Group

✨Showcase Your Technical Skills

Be prepared to discuss your experience with various types of penetration testing, including infrastructure, web applications, and mobile applications. Highlight specific projects where you successfully identified vulnerabilities and delivered actionable recommendations.

✨Demonstrate Your Mentorship Abilities

Since the role involves mentoring junior testers, share examples of how you've supported others in their professional development. Discuss any training sessions you've led or guidance you've provided to help others improve their skills.

✨Communicate Clearly and Effectively

Excellent communication is key in this role. Practice articulating complex technical concepts in a way that is understandable to non-technical stakeholders. Be ready to provide clear examples of how you've documented findings and communicated them to clients.

✨Stay Updated on Security Trends

The cybersecurity landscape is constantly evolving. Show your passion for continuous learning by discussing recent trends, tools, or techniques in penetration testing that you find interesting. This will demonstrate your commitment to staying ahead in the field.

Senior Penetration Tester
Bytes Group
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  • Senior Penetration Tester

    Leatherhead
    Full-Time
    48000 - 84000 £ / year (est.)

    Application deadline: 2026-12-13

  • B

    Bytes Group

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