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Claranet

Associate Penetration Tester

Hybrid

Leeds, United kingdom

Full Time

19-12-2025

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Skills

Python Ruby Perl Penetration Testing Monitoring Application Testing Security Testing Problem-solving Sales Training Public Speaking Marketing Project Management Recruitment business development

Job Specifications

Position Summary

As an Associate Penetration Tester at Claranet, you will able to deliver you own web application tests and through training and partnering, you will have the opportunity to become involved in a full range of testing work from mobile app and infrastructure testing to social engineering and Red Team exercises.

Role Mission

Claranet’s strategy is to build long-term, trusted relationships with its customers by delivering market-leading, integrated managed services. We are seeking a leader to build and to own the existing and future market-leading multi-solutions portfolio that Claranet offers to customers that enables cross and up sell.

Objectives & Key Results

Undertaking web application testing and infrastructure testing engagements
Using the opportunities provided by the business to improve skills and capabilities into all areas of testing
Working with key clients providing bespoke consultancy, analysis and expertise
Assisting with pre/post sales activities as required
Encouraging a positive, proactive, collaborative and solution-oriented approach among colleagues
Communicating within Claranet and with clients, both orally and in writing

Teams To Collaborate With

Customer Experience & Managed Services – Ensure we are consistently providing the best service to our customers, proactively monitoring their needs, and integrating their feedback into our future portfolio and propositions
Customer Success & Growth – Ensure that the portfolio is up to date, meets customer needs and enables cross and up selling. Agree Portfolio Mix, Volumes and Targets to ensure alignment.
Finance contributes to the budget process for portfolio and propositions development
HR & People – Support recruitment and learning and development strategies to develop industry leading product and service offerings
Business Development – Enables pipeline growth and cross sell opportunities to new and existing customers by providing advanced support across bid, marketing & PR, sales operations, product and project management functions.

Position Specifications

Behavioural Competencies – Organisational & Behavioural Fit

Client facing, able to confidently and professionally represent the company
Must be self-motivated and able to work in an independent manner as well as part of a team
Excellent written and oral communications skills
Positive, collaborative and enthusiastic
Conducting penetration testing work out of normal office hours on occasion
Willing to travel to deliver onsite work as required
Appetite to shadow, train and develop to improve capabilities into all areas of security testing

Critical Competencies – Technical Fit

Essential Technical:

Have a good understanding of web and external infrastructure testing and methodologies
Able to manually and proficiently exploit web application and network infrastructure vulnerabilities
Have a logical and time-conscious approach to report writing
Have experience of at least one scripting language such as Ruby, Python or Perl

Desirable Experience:

Delivering chargeable web app testing engagements
Providing remediation advice
Producing accurate technical reports
Working under pressure of deadlines and structuring workload accordingly
Problem-solving, helping others to understand complex ideas

In Addition, The Following Are Highly Desirable:

A related Batchelor’s degree.
CISSP, CISA, CEH, OSCP or equivalent reputable information security certifications
Experience with Bug Bounties
Public speaking experience
Full UK driving license

About the Company

Claranet modernise and run critical applications and infrastructure. We simplify the management of IT services so our customers can concentrate on what they do best. By working with us our customers gain access to a wide range of managed services, professional services, and training across Cloud, Networks, Managed Cyber Security, and Workplace communication and collaboration technologies. Founded in 1996, Claranet has evolved from a pioneering ISP (Internet Service Provider) into a leading technology services provider with ... Know more