Security Engineering Manager - Offensive Security

Arcus Search; Greater London; On-site; GBP 140,000 - 190,000; Full time

Benefits offered by this job

Competitive compensation

Central London office

Job summary

Arcus Search is seeking an Offensive Security Engineering Manager in London to drive the programme, set technical direction, and raise team capability. You will lead offensive security testing, build relationships with engineering, and teach best practices in a fast-paced, highly technical environment.

You will shape testing scope, attack and threat analysis, and influence stakeholders while guiding a high-profile security team in Central London.

Qualifications

• Hands-on pentesting and offensive security experience across APIs, cloud, network and production infra.
• Ability to define testing scope, attack, and threat lead analysis protocols.
• Strong leadership to build and shape technical teams and influence stakeholders.

Responsibilities

• Define programme and technical direction for offensive security.
• Lead offensive security testing and mentor engineers in best practices.
• Collaborate with engineering teams to raise security capability and resolve complex challenges.

Skills

Offensive security

Leadership

Stakeholder comms

Pentesting

Education

Security engineering degree or equivalent

Tools

Kubernetes

CI/CD pipelines

Cloud platforms

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.