Offensive Security Consultant/Penetration Tester
£500 per Day | Inside IR35 | Fully Remote | 12-Month Contract
We are working with a leading global cyber security vendor looking for an experienced Offensive Security Consultant/Penetration Tester to join their Professional Services team on an initial 12-month contract.
This is an excellent opportunity to work on complex enterprise security engagements, delivering penetration testing, adversary simulations and red team exercises for customers across a range of industries.
Key Responsibilities
- Conduct hands-on penetration testing across enterprise networks, cloud environments (AWS, Azure, GCP), web applications, APIs and mobile platforms.
- Plan and execute red team and purple team exercises , aligned with frameworks such as MITRE ATT&CK.
- Identify vulnerabilities, develop proof-of-concept exploits and demonstrate potential security risks.
- Conduct Active Directory security assessments and exploitation testing.
- Support phishing simulations, social engineering and other adversary simulation activities.
- Produce detailed technical reports, communicate findings to customers and recommend remediation strategies.
- Work directly with enterprise customers and internal Professional Services teams.
Skills & Experience
- Strong hands-on experience in penetration testing, offensive security or red teaming .
- Practical experience with tools such as Burp Suite, Metasploit, Cobalt Strike, Nmap, BloodHound and Empire .
- Scripting experience using Python, PowerShell, Bash or Go .
- Good understanding of Active Directory, cloud security, container security and web/API vulnerabilities.
- Knowledge of MITRE ATT&CK and OWASP Top 10 .
- Experience delivering customer-facing security assessments and presenting technical findings.
- Certifications such as OSCP, OSEP, OSWE, OSCE, GPEN, GWAPT or GPEN-equivalent qualifications would be advantageous.
Contract Details
- Rate: £500 per day
- IR35: Inside IR35
- Duration: Initial 12 months
- Location: Fully Remote
- Client: Leading Global Cyber Security Vendor
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Penetration Tester employer: 83zero Ltd
As a Supply Chain Planning Analyst at our Desford location, you will be part of a dynamic team in a thriving manufacturing environment that values innovation and continuous improvement. We offer a supportive work culture that encourages professional growth through hands-on experience and collaboration with cross-functional teams, ensuring that your contributions are recognised and impactful. With competitive pay and a commitment to employee development, this role provides an excellent opportunity for those looking to advance their careers in supply chain management.
