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Security Engineer
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Security Engineer
At-a-Glance
Security Engineer, founding UK member of the Security organisation within a fast-growing cloud security business
Hybrid role based in Belfast, three days a week in-office
Competitive salary
Genuine founding-team opportunity with a clear path toward technical or team leadership as the UK presence scales
Hands-on cloud security work across incident response, detection engineering and advanced threat investigations
About the Company
Our client is a next-generation cloud security platform that uses runtime context to identify and prioritise the risks that matter most.
Powered by eBPF-based sensors, their platform delivers agentless cloud posture discovery, real-time threat protection and integrated API security, built around cost-effective, end-to-end protection for modern cloud infrastructure.
They're a fast-growing, ambitious company building a security organisation from the ground up in the UK.
The Role
This is a rare opportunity to become the founding UK member of the Security organisation, working within the MDR (Managed Detection and Response) team.
You'll bring deep, hands-on cloud security expertise to proactive customer reviews and advanced investigations, working closely with Security Analysts, Researchers and Backend engineers to sharpen detection quality.
You'll independently own UK-hours coverage, take ownership of complex and critical incidents escalated from Tier 1/2, and get involved in customer-facing conversations where staying calm under pressure matters.
As the UK presence grows, there's a clear path toward technical or team leadership for the right person.
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Key Responsibilities
- Fine-tune detection and response mechanisms to improve accuracy and reduce noise
- Lead proactive reviews of customer environments to identify risks and exposed attack surfaces
- Conduct in-depth security investigations across supply chain, API, malware and runtime attack scenarios
- Document investigation outcomes and build playbooks to strengthen future detection and response
- Collaborate with Security Analysts, Research and Backend teams to improve detection quality
- Own complex or critical incidents escalated from Tier 1/2, including live customer engagements
- Lead recurring customer meetings, translating security findings into clear, actionable recommendations
- Stay ahead of emerging threats, attack techniques and cloud security best practices
- Contribute to the development and training of AI-driven detection models
What You'll Need
Essential:
- Solid, hands-on experience in cybersecurity, ideally gained at a leading cloud or cloud security company
- Strong working knowledge of detection engineering, incident response and threat analysis, with the ability to explain attack techniques such as supply chain, API, malware and runtime in depth
- Hands-on experience with at least one major cloud platform (AWS, GCP or Azure)
- Hands-on experience with container technologies (Docker/Kubernetes)
- Comfortable and hands-on with Linux
- Familiarity with networking fundamentals and scripting (Python/Bash)
- Strong communication and presentation skills, with proven ability to engage directly with customers and stay composed under pressure
- Self-directed, comfortable operating independently in a fast-paced, high-ownership startup environment
- Already based in Northern Ireland (visa sponsorship is not available for this role)
- Willingness to participate in a shared on-call rotation, including availability during nights, weekends or holidays during rotation weeks
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Desirable / Nice to Have:
- Windows knowledge
- B.Sc. in Computer Science or Information Security
Why Apply?
- Competitive salary
- Hybrid working model, three days a week in Belfast
- Genuine founding-team opportunity as the first UK member of the Security organisation
- Clear path toward technical or team leadership as the UK team grows
- Exposure to advanced, high-impact investigations across supply chain, API, malware and runtime attack scenarios
- Work closely with Security Analysts, Research and Backend teams at a fast-growing company
Next Steps
If this sounds like the move you've been looking for, get in touch with Eve Geddis to find out more. Connect on LinkedIn or send your CV directly to eve.geddis@example.com.
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