Orbis Group
Infrastructure Security Engineer
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Information Security Engineer (Infrastructure → Security)
London | Hybrid | 3 days
A leading technology-driven trading firm is looking for an InfoSec Practitioner to join a small, highly technical security team in London.
This is not a traditional SOC role and not a pure security engineering position either. The team is looking for someone who enjoys being hands-on operationally, but who also wants to improve systems, tooling, detections and infrastructure over time.
The environment is heavily infrastructure-focused, so strong networking and systems understanding is a major plus.
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The role will involve:
- Investigating alerts and security events
- Reviewing logs and handling operational security issues
- Improving detections and reducing false positives
- Working closely with infrastructure and platform teams
- Reviewing security configurations and automation opportunities
- Contributing to network security and monitoring initiatives
- Using scripting/automation to improve operational workflows
The ideal profile:
- 3–7 years experience within Security Operations / Security Engineering
- Strong networking and infrastructure fundamentals
- Comfortable across Linux and Windows environments
- Scripting/programming familiarity
- Experience with EDR/NDR or monitoring tooling
- Pragmatic mindset with strong operational judgement
- Able to balance security with business impact and usability
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This is a strong fit for someone who enjoys operational ownership, improving systems incrementally and working closely with engineering/infrastructure teams rather than sitting in a siloed governance function.
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