Senior Red Team Security Consultant - CBEST, CCSAS
Senior Red Team Security Consultant - CBEST, CCSAS
Salary: £85,000 - £105,000 (Depending on Experience) + Bonus
Location: UK or Europe (Remote‑First)
Travel: Occasional overseas travel required
Overview
This is an attractive opportunity for a Senior Red Team Security Consultant to join a prestigious and prominent cyber security organisation, home to some of the sharpest minds in the industry - absolute specialists in adversarial simulation, offensive security, and threat‑driven testing.
Responsibilities
* Lead Red Team engagements, TIBER‑EU and CBEST testing.
* Develop advanced threat scenarios and attack chains.
* Build offensive tooling, malware, implants, and C2 frameworks.
* Execute stealthy lateral movement, privilege escalation, EDR evasion.
* Operate across cloud and hybrid infrastructures.
* Provide consultancy, risk translation, and uplift strategies.
* Contribute to R&D projects, PoC tooling, exploit development.
About You – Required Skills & Experience
You will be an exceptional offensive security professional with outstanding proven operational‑level experience in delivering complex Red Team and adversarial engagements. You must demonstrate a solid understanding of modern endpoint detection technologies and maintain a strong OPSEC‑driven mindset - ensuring disciplined, stealthy execution throughout all stages of an engagement.
* TIBER‑EU, CBEST.
* Adversarial tradecraft, OPSEC, stealth ops.
* Active Directory exploitation, cloud attack paths.
* C, C++, C#, .NET, Python.
* C2 frameworks such as Cobalt Strike, Sliver, Mythic.
Required Certifications
* OSEP - Offensive Security Experienced Penetration Tester
* OSCE / OSCE³ - Offensive Security Certified Expert / Expert³
* OSEE - Offensive Security Exploit Expert
* OSCP - Offensive Security Certified Professional
* OSWE - Offensive Security Web Expert
* OSED - Offensive Security Exploit Developer
* CCSAS - CREST Certified Simulated Attack Specialist
* CRT - CREST Registered Penetration Tester
* CCT INF / CCT APP - CREST Certified Tester (Infrastructure / Applications)
* GPEN - GIAC Penetration Tester
* GXPN - GIAC Exploit Researcher & Advanced Penetration Tester
* CRTO - Certified Red Team Operator
Professional Attributes
Exceptional consulting capability, communication, analysis, collaboration, OPSEC discipline.
Security Requirements
Legal right to work in UK/EU. Must undergo background checks.
What We Offer
£85,000 - £105,000 + bonus, remote‑first, occasional travel, elite team environment, R&D time
About Adecco
Adecco is acting as an Employment Agency. We are proud to be an equal opportunities employer. We are on the client's supplier list for this position.
Keywords
Red Team, Red Teaming, Red Team Operator, Red Team Consultant, Adversary Simulation, Threat Emulation, Offensive Security, Cyber Offense, Cyber Attack Simulation, Penetration Testing, Senior Pen Tester, Intelligence‑Led Testing, TIBER‑EU, CBEST, Ethical Hacking, Offensive Tooling, Cobalt Strike, Sliver, Mythic, OPSEC, EDR Evasion, Active Directory Exploitation, Cloud Security, AWS Security, Azure Security, GCP Security, Security Research, OSCE, OSEP, OSEE, CRTO, CCSAS, GXPN, GPEN, C2 Frameworks, Payload Development, Tool Development
Job Info
Job Title:
Senior Red Team Security Consultant - CBEST, CCSAS
Company:
Location:
Posted:
Jan 21st 2026
Closes:
Feb 21st 2026
Sector:
IT
Contract:
Permanent
Hours:
Full Time
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