Offensive Security Specialist (Pen Tester / Red Teamer) Opportunity

threatspike labs company

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Offensive Security Specialist (Pen Tester / Red Teamer) in UNITED KINGDOM

Remote 8 months ago

Company Overview

ThreatSpike Labs is on a mission to make robust cyber security accessible to all. We specialise in empowering organisations of every size with advanced, comprehensive security solutions—regardless of budget or in-house expertise.


Role Summary

We’re expanding our Offensive Security Team and seeking a passionate Pen Tester/Red Teamer. In this role, you’ll conduct a wide spectrum of security assessments—from penetration testing and red team exercises to vulnerability scanning and physical access evaluations.


Key Responsibilities

• Client Engagement Management: Serve as the primary point of contact for clients, ensuring timely project delivery and clear, consistent communication.

Security Assessment Execution: Perform detailed security assessments (including penetration testing and vulnerability analysis) and document findings for both technical and non-technical stakeholders.

Red Team Challenges: Take part in advanced red team simulations—social engineering attacks, privileged escalation, and post-exploitation strategies—providing actionable insights to strengthen security defences.


Technical Proficiencies

• Python/Scripting: Strong Python skills for custom script creation, data parsing, and automating tasks.

Linux/Windows Proficiency: Deep knowledge of Linux/Windows systems, including command line navigation, file permissions, and common security tools.

Burp Suite Expertise: Skilled in intercepting and manipulating web traffic, running automated scans, and identifying vulnerabilities.

Nmap & Enumeration Tools: Experienced in network scanning/enumeration (Nmap) to uncover open ports, services, and misconfigurations.

Active Directory Analysis/Impacket: Proficient with tools like Impacket to analyse Active Directory, identify weaknesses, and exploit them effectively.


What We’re Seeking

• Qualifications: Degree in Computer Science, Engineering, Mathematics, or Physics.

Experience Level: Open to graduates, juniors, and experienced candidates—red team exposure is a plus.

Skills: Creative problem-solving, adaptability, and a passion for tackling constantly evolving threats.

Attributes: Motivated, determined, and eager to learn; self-starters with a track record of hands-on experience.

Communication: Strong interpersonal skills for collaboration within a close-knit, fast-paced environment.


Our Focus & Culture

We prioritise quality over quantity. You’ll join a small, highly collaborative team that values continuous learning and professional growth. There’s no gatekeeping here—we encourage on-the-job skill development, knowledge sharing, and collaborative problem-solving.


Professional Development

• Support for earning professional certifications.

• Ongoing training opportunities (company-led and self-driven).


Position Type

• Fully Remote – Work from anywhere with a strong internet connection.


Benefits & Perks

• Competitive base salary

• Pension plan

• Flexibility for remote work


Appreciated Certifications

While not mandatory, the following certifications (or equivalent) will be viewed favourably and demonstrate a solid foundation in offensive security practices:

Offensive Security (OSCP, OSEP, OSWE, OSCEE, etc.)

CRTO/CRTL (focusing on red team operations and C2 frameworks)

CREST certifications

GIAC certifications (e.g., GPEN, GXPN, GAWN)

eCPPT or other industry-recognised qualifications


ThreatSpike Labs supports ongoing professional development and encourages team members to pursue relevant certifications to advance their skill sets.


Join us at ThreatSpike Labs and help shape the future of cyber security by empowering organisations to protect themselves against ever-evolving threats.


Ready to apply?

  • If you’re enthusiastic about pushing the boundaries of offensive security, we want to hear from you!
Apply now

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