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Sky
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October 19, 2026
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Associate Cyber Security Tester

London, England
Full-time
Hybrid
Entry Level
Sky is hiring an Associate Cyber Security Tester to conduct penetration testing and security assessments across applications, infrastructure, mobile platforms and emerging technologies. The role also involves documenting findings, advising teams on vulnerability remediation, and researching threats and testing methods, including responsible use of AI-assisted tools.
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Responsibilities

  • Show proficiency in managing your workload independently and familiarise yourself with industry business practices and procedures while taking ownership of your development pathway alongside your line manager and colleagues
  • Work towards achieving a defined set of objectives identified between yourself and your line manager, tailoring to your goals and completing a pentesting certification
  • Conduct penetration test engagements for both applications and complex infrastructure setups, as well as retests, to gain a deep understanding of how we conduct cyber security assessments across a wide range of systems and services here at Sky
  • Use AI-assisted tools to support research, vulnerability analysis and reporting while applying appropriate validation and professional judgement. Develop an understanding of the security risks associated with AI and LLM-based applications, and contribute to the assessment of these technologies during security testing
  • Independently attend meetings where infrastructure and application scopes are defined, document the respective engagement terms, conduct and support cyber security assessments. This includes appropriately documenting and sharing all findings
  • Work with various areas of the business to scope projects and advise teams on remediation of identified vulnerabilities
  • Gain a good understanding of how to conduct advanced infrastructure and advanced web application penetration tests
  • Develop an understanding of modern security testing methodologies covering applications, infrastructure, mobile platforms and emerging technologies, including AI-enabled systems
  • Conduct research into emerging technologies, security threats and testing methodologies, including the responsible use of AI-assisted tooling to improve the efficiency and quality of security testing

Qualification

Required

  • A passion for cyber security and a positive outlook and approach to the work we do
  • Practical experience with penetration testing which can be substituted for a relevant degree or equivalent qualification or completion of the Sky Cyber Graduate Scheme
  • A proven and demonstrable interest in Artificial Intelligence (AI) and its application within cyber security, with an awareness of AI-assisted security tooling and the security considerations of AI-enabled applications
  • Demonstrate curiosity and a continuous learning mindset, proactively exploring new technologies, attack techniques and security research to develop technical expertise
  • Knowledge of common infrastructure and application pen test security tools
  • Live the Sky Values and demonstrate enthusiasm and a can-do attitude
  • Good time management and organisational skills to meet strict deadlines
  • Be proactive and able to work independently as well as part of a team
  • Excellent teamwork skills to collaborate, share and support colleagues
  • Ethical integrity to be trusted with confidential information
  • To be eligible for this role you are required to have the appropriate right to work in the UK
  • Please be aware Sky does not offer sponsorship for this position

Preferred

  • OSCP (Offensive Security Certified Professional)
  • PNPT (Practical Network Penetration Tester)
  • CPTS (Certified Penetration Testing Specialist)
  • CREST CRT
  • Burp Suite Certified Practitioner (BSCP)
  • AI/ML or GenAI certification (e.g. Microsoft, AWS, Google, SANS/GIAC or equivalent), or demonstrable practical experience using AI/LLMs to automate or enhance security testing

Benefits

  • Free Sky TV or NOW package, including Sky Sports and Sky Cinema
  • Pension package with up to 9% employer contribution
  • Private healthcare with mental health support
  • Aviva Digital GP and dental insurance
  • Discounts on Sky products, including Sky Mobile, Sky Broadband, Sky Glass and Sky Protect
  • Share save and Tech schemes
  • A range of Sky VIP rewards and experiences
  • Hybrid working, with 2 days in the office per week
  • 13 subsidised restaurants and cafes at the Osterley Campus
  • Gym at the Osterley Campus
  • Cinema at the Osterley Campus
  • Car wash and beauty salon at the Osterley Campus
  • Free shuttle buses from Osterley, Gunnersbury and Ealing Broadway stations
  • Free onsite parking for cars, motorbikes and bicycles
Sky connects and entertains millions of people across Europe. At the heart of everything we do, is a belief that people deserve better.
Glassdoor
3.7
Founded in 1989
Isleworth, Hounslow, GBR
10001+ employees
https://www.sky.com
Sky connects and entertains millions of people across Europe. At the heart of everything we do, is a belief that people deserve better.
Glassdoor
3.7
Founded in 1989
Isleworth, Hounslow, GBR
10001+ employees
https://www.sky.com