Red Team Penetration Tester

iO Associates - UK/EU
London
8 months ago
Applications closed

Related Jobs

View all jobs

Penetration Tester

Penetration Tester

Senior Red Team Security Consultant - CBEST, CCSAS

Recruitment Consultant - Cyber Security | Cheltenham | Contract

Penetration Tester | CHECK Team Member

CERT Incident Responder

Red Team Penetration Tester - Up to £70,000 (Permanent, Remote with occasional travel to client sites)

We're seeking an experiencedRed Team Operatorto simulate sophisticated adversaries against some of the UK's most critical infrastructures. This is a hands-on role involving assumed breach, phishing, custom tooling, Active Directory abuse, and advanced detection evasion.

Key Responsibilities:
* Deliver full-scope red team operations - initial access, lateral movement, C2, domain compromise.
* Build and manage red team infrastructure (redirectors, C2, staging servers).
* Develop/customize offensive tooling to evade EDR/AV.
* Run phishing campaigns, payload delivery, and obfuscation strategies.
* Produce high-quality technical and executive reporting.
* Collaborate with purple/blue teams and contribute to internal tool and SOP development.
* Mentor junior operators and support internal training lab setup.

Required Skills & Experience:
* 2+ years in red team or adversary simulation.
* Strong experience with infrastructure testing and AD exploitation.
* Proficient in C2 frameworks (Cobalt Strike, Mythic, Brute Ratel, Sliver).
* Skilled in PowerShell, Python, C#, or similar languages.
* Experience with phishing, payload obfuscation, and staging techniques.
* Knowledge of Active Directory attacks (Kerberoasting, delegation abuse, Golden/Silver tickets).
* Strong OPSEC awareness and covert operation execution.
* Excellent documentation and reporting ability.

Desirable:
* Certifications: OSCP, OSEP, CRTO, CCT INF, CCSAS.
* Cloud exploitation experience (Azure, AWS IAM).
* Phishing frameworks (GoPhish, King Phisher).
* Malware development or binary modification.
* Previous blue/purple team collaboration.

Other Requirements:
* Must have lived in the UK for the past 5 years.
* Must hold or be eligible for SC/DV clearance.
* Full UK driving licence.
* Willingness to travel for UK-based client engagements.

This is a unique opportunity for a Red Teamer to lead impactful operations, develop tooling, and shape advanced offensive capabilities. If you thrive in covert operations and want to make a real difference - apply now.

Subscribe to Future Tech Insights for the latest jobs & insights, direct to your inbox.

By subscribing, you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

Careers

How Many Cyber Security Tools Do You Need to Know to Get a Cyber Security Job?

If you are trying to build or move forward in a cyber security career, it can feel like the list of tools you are expected to know never ends. One job advert asks for SIEM platforms, another mentions penetration testing tools, another lists cloud security, threat intelligence platforms, endpoint detection, scripting languages and compliance frameworks. Scroll LinkedIn and it gets worse. Everyone seems to “know” dozens of tools, certifications and platforms. Here is the reality most cyber security hiring managers agree on: they are not hiring you because you know every tool. They are hiring you because you understand risk, can think like an attacker and a defender, follow process, communicate clearly and make good decisions under pressure. Tools matter — but only when they support those outcomes. So how many cyber security tools do you actually need to know to get a job? For most job seekers, the answer is far fewer than you think. This article explains what employers really expect, which tools are essential, which are role-specific and how to focus your learning so you look credible, not overwhelmed.

Jobs

What Hiring Managers Look for First in Cyber Security Job Applications (UK Guide)

If you want to stand out in the highly competitive world of cyber security job applications, you need to understand what hiring managers look for before they even finish reading a CV. Cyber security hiring managers scan applications quickly and with specific priorities in mind. They assess not just your technical ability, but your judgement, professionalism, clarity, risk awareness and evidence of impact. This guide explains what hiring managers look for first in cyber security applications across roles like Security Analyst, Security Engineer, Penetration Tester, Incident Responder, Security Architect, Governance Risk and Compliance specialists and Cloud Security positions. Use this as a practical, step-by-step checklist to sharpen your CV, LinkedIn profile, cover letter and portfolio before you apply on www.cybersecurityjobs.tech .

Education

The Skills Gap in Cyber Security Jobs: What Universities Aren’t Teaching

Cyber security has become one of the most critical disciplines in the modern economy. From protecting financial systems and healthcare data to securing national infrastructure, cloud platforms and supply chains, cyber security professionals now sit at the frontline of digital trust. Demand for cyber security talent in the UK has surged. Job vacancies remain high, salaries continue to rise, and organisations across every sector report difficulty hiring skilled professionals. Yet despite this demand, many graduates struggle to break into cyber security roles and employers consistently report that candidates are not job-ready. The problem is not intelligence, ambition or academic effort. It is a persistent and widening skills gap between university education and real-world cyber security work. This article explores that gap in depth: what universities teach well, what they routinely miss, why the gap exists, what employers actually want, and how jobseekers can bridge the divide to build sustainable careers in cyber security.

🍪 We use cookies to enhance your browsing experience on our website. By continuing to use this site, you consent to the use of cookies as described in our Cookie Policy. You can review our Cookie Policy for more information.