Cyber Security Specialist

LT Harper Ltd; United Kingdom; Remote; GBP 80,000 - 100,000; Full time

Job summary

A leading security firm is seeking experienced Red Team Operators and Leads to join their team remotely. Responsibilities include leading advanced penetration tests and regulatory engagements in the financial services sector. Candidates must have over 5 years of experience and a strong consultancy background. This role offers competitive compensation and a supportive work environment.

Benefits

Flexible work environment

Cutting-edge projects

Opportunities for growth

Qualifications

• 5+ years of penetration testing experience is essential.
• Experience in red teaming, especially in financial services, is preferred.
• Strong consultancy skills are a must.

Responsibilities

• Lead and deliver advanced red team engagements.
• Manage client engagements and report to stakeholders.
• Collaborate with internal blue teams.

Skills

Penetration testing experience

Red team experience

Client-facing roles

Scripting/programming languages

Tools

SOC/SIEM/EDR tooling

Job description

Red Team Operators & Leads (Financial Services Focus) - REMOTE - Applicants must have lived in the UK for the last 5 years - £100k + benefits

Are you an experienced Red Teamer looking to take on high-impact engagements in the financial services sector? I am looking for Red Team Operators and especially Red Team Leads to join a growing offensive security team.

You'll play a critical role in delivering regulatory red team engagements-particularly in environments governed by frameworks like TIBER, CBEST, CSTAR, and DORA. If you thrive on leading complex assessments, developing creative attack paths, and engaging with clients at the highest levels-this role is for you.

What You'll Do

• Lead and deliver advanced red team and penetration testing engagements
• Work on regulatory red team exercises in the financial services sector
• Manage complex client engagements, reporting to stakeholders, and working with internal blue teams
• Bring new ideas and techniques to your engagements, from initial access to post-exploitation
• Collaborate across teams and mentor junior members of staff

What We're Looking For

Must-Have Skills:

• 5+ years of penetration testing experience (more is welcome)
• Significant hands-on red team experience
• Strong consultancy background - comfortable in client-facing roles
• Familiarity with multiple scripting/programming languages

Strong Pluses (at least one of the following):

• Prior red teaming experience in the financial services sector
• Experience with SOC/SIEM/EDR tooling and methodologies
• Exposure to TIBER, CBEST, CSTAR, or other regulatory red teaming standards
• Involvement in DORA readiness or related compliance work
• Holder (or previous holder) of CREST CCSAS, CCRTS, or CCSAM
• Experience developing novel initial access techniques or custom tooling

Why Join?

You'll be part of a seasoned, high-performing red team delivering engagements that truly matter-working with major financial institutions to test and improve their resilience against real-world threats.

We offer:

• A flexible and supportive work environment
• Cutting-edge projects in the regulatory space
• Opportunities to lead, innovate, and grow your technical and leadership skills

Ready to make an impact? Apply now