Security Engineering Manager - Offensive Security

Arcus Search; Greater London; On-site; GBP 150,000 - 190,000; Full time

Job summary

Arcus Search in London is recruiting an established Offensive Security Engineering Manager to define a programme, set technical direction and raise the team capability bar.

You will lead offensive security testing, build relationships with Engineering teams, and promote best practices. This is a fast-paced environment with top engineers focused on solving complex challenges at scale.

Qualifications

• Hands-on pentesting across APIs, Cloud, Network, production infra.
• Experience defining testing scope and attack/threat models.
• Proven leadership to build and shape technical teams.
• Excellent stakeholder communication in high-stakes environments.

Responsibilities

• Lead offensive security testing initiatives and define a program.
• Raise team capability and mentor engineers.
• Build strong collaboration with Engineering teams and promote best practices.
• Define organizational testing scope and attack/threat lead protocols.

Skills

Leadership

Stakeholder influence

Offensive security

Threat analysis

Communication

Tools

Kubernetes

CI/CD

Job description

We're recruiting for an established Offensive Security Engineering Manager for a renowned Trading firm in London. We need a Leader who can define a programme, set the technical direction and raise the team capability bar.

You will thrive in leading offensive security testing, building relationships with Engineering teams and teaching offensive security best practice.

This is a fast-paced, highly technical environment with some of the industries best Engineers who love solving complex challenges at scale.

We'd like to hear from you if:

• You have proven hands-on experience in pentesting and offensive security across APIs, Cloud, Network and production infrastructure
• You have strong know-how with Kubernetes, CI/CD and exposure to AI or Agentic systems
• You have defined an organizational testing scope, attack and threat lead analysis protocols
• You are a Leader capable of building and shaping technical teams
• You are comfortable in high-stakes, fast-paced environments
• You are a strong communicator with ability to influence stakeholders and challenge ambiguity

This is an office based role working from a modern space in Central London, offering exceptional compensation with more than comprehensive benefits and rewards, we are targeting the top 0.01% of Offensive Security Engineering leaders.