Principal Red Team Operator
Confirmed on the employer's own hiring board on Nov 1, 2026. First seen by Alion on Oct 30, 2026. GSK scores B on the Alion truth index.
GSK remains committed to achieving bold commercial ambitions for the future. By 2031, we aim to deliver £40 billion in annual sales, leveraging our existing strong performance momentum to significantly increase our positive impact on the health of billions of patients globally. Our Ahead Together strategy is centred on early intervention to prevent and alter the course of disease, thereby protecting people and supporting healthcare systems.
Our diverse portfolio consists of vaccines, specialty medicines, and general medicines.
Through continuous innovation and a dedicated focus on scientific and technical excellence, we strive to develop and launch new, groundbreaking treatments that address critical health challenges.
Job Purpose:
The Principal Red Team Operator will lead workstreams within Red Team and act as a subject matter expert for the capability. This is a senior hands-on offensive security role.
About the team. The Red Team emulates real adversaries against GSK. Operators run full-lifecycle engagements using real-world attacker tradecraft, then measure what GSK's defenders actually detect and how they respond.
Key responsibilities:
This role will provide you the opportunity to lead key activities to progress your career. These responsibilities include some of the following:
- Lead assigned workstreams from definition through delivery.
- Act as subject matter expert for the capability and advise stakeholders across GSK.
- Mentor colleagues and review their technical or analytical work.
- Execute red team engagements across a variety of networks using real-world adversarial tactics, techniques and procedures, from conception through to report delivery.
- Emulate real attackers to simulate security incidents, then observe and measure how GSK's monitoring and incident response perform.
- Develop after-action reports stating what was achieved, what was detected, what was missed and what should change.
- Build and maintain red team infrastructure, including command and control, redirectors and payload delivery, with operational security discipline.
- Develop custom tooling and exploits where off-the-shelf capability is insufficient or too well signatured.
- Run purple team exercises with the Cyber Defense team to convert findings into detection coverage.
- Map engagement activity to MITRE ATT&CK so coverage gaps are expressed in a common language.
Basic Qualifications:
- Degree in a relevant discipline, or related experience.
- Demonstrated experience in offensive security and red team operations.
- Working knowledge of adversary tradecraft and command and control frameworks.
- Practical experience with full-lifecycle engagement delivery.
- Strong practical experience in the relevant cyber security domain.
- Proven experience leading workstreams and delivering high-quality outcomes.
- Ability to act as a subject matter expert and advise stakeholders confidently.
- Strong written and verbal communication skills.
Preferred Qualifications:
- OSCP, OSEP, OSED, CRTO, GPEN or GXPN.
- Exploit development capability.
- Active Directory and cloud attack path expertise.
- Experience with detection evasion within an authorised engagement.
- Experience in a regulated industry, including OT and clinical system awareness.
- Relevant certification such as OSCP, OSEP, CRTO, GPEN, GXPN.
- Experience in pharmaceutical, life sciences or another highly regulated industry.
- Typical tools and technologies: command and control frameworks, custom offensive tooling, Active Directory and cloud attack tooling, MITRE ATT&CK.
Skills
Adversary Simulation, AI for Cybersecurity, AI Red Teaming, Cloud Security, COSO Framework, Cyber Threat Intelligence, Forensic Data Analysis, Incident Management, Infrastructure Security, Intrusion Detection, Intrusion Prevention, ML Security, Offensive Cyber Operations, Red Teaming, Security Monitoring, Security Operations, Security Planning, Security Protocols, Security Risk, Security Technologies, TradecraftWhy GSK?
Uniting science, technology and talent to get ahead of disease together.
GSK is a global biopharma company with a purpose to unite science, technology and talent to get ahead of disease together. We aim to positively impact the health of 2.5 billion people by the end of the decade, as a successful, growing company where people can thrive. We get ahead of disease by preventing and treating it with innovation in specialty medicines and vaccines. We focus on four therapeutic areas: respiratory, immunology and inflammation; oncology; HIV; and infectious diseases - to impact health at scale.
People and patients around the world count on the medicines and vaccines we make, so we’re committed to creating an environment where our people can thrive and focus on what matters most. Our culture of being ambitious for patients, accountable for impact and doing the right thing is the foundation for how, together, we deliver for patients, shareholders and our people.
Inclusion at GSK:
As an employer committed to Inclusion, we encourage you to reach out if you need any adjustments during the recruitment process.
Please contact our Recruitment Team at [email protected] to discuss your needs.
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