Security Engineer

Upwind Security; Belfast City District; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

Upwind Security, a fast-growing cloud security platform, is seeking a Security Engineer to join the MDR team as the founding U.K. member. The role focuses on proactive reviews, advanced guidance for customers, and UK-hours coverage within a hybrid, in-office setup in Belfast.

You will work with analysts, researchers, and engineers to elevate detection, response, and threat investigation capabilities. You will lead complex investigations across cloud environments, API security, and malware

Qualifications

• Hands-on cybersecurity experience in cloud environments.
• Strong knowledge of detection engineering and incident response.
• Ability to analyze threats across supply chain, API, malware and runtime contexts.

Responsibilities

• Fine-tune Upwind's detection and response mechanisms.
• Lead proactive reviews of customer environments to identify risks and exposed attack surfaces.
• Conduct in-depth security investigations and develop playbooks to improve detection and response.
• Collaborate with Security Analysts, Research, and Backend teams to improve detection quality.
• Own handling of complex incidents escalated from Tier 1/2, including live engagements with customers.
• Participate in recurring customer meetings, translating findings into actionable recommendations.
• Stay up to date with emerging threats and best practices in cloud security.
• Contribute to AI-driven detection model development and training.

Skills

Detection engineering

Incident response

Threat analysis

Cloud platforms

Container technologies

Linux

Python

Bash scripting

Education

B.Sc. in Computer Science / Information Security

Job description

About The PositionUpwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization and posture insights, ensuring teams focus on what truly matters. With industry-leading efficiency and eBPF-powered sensors, Upwind delivers comprehensive capabilities, including agentless cloud posture discovery, real-time threat protection, and integrated API security. From misconfigurations to malware defense, Upwind ensures end-to-end, cost-effective cloud infrastructure protection. At Upwind, you'll have the opportunity to think creatively, explore new ideas, and use your skills to make a meaningful impact on our growth.

DescriptionAbout The PositionUpwind is a next-generation Cloud Security Platform that leverages runtime context to identify and prioritize critical risks, providing precise insights and efficient cloud security management. Unlike traditional tools, Upwind uses runtime data proactively for risk prioritization and posture insights, ensuring teams focus on what truly matters. With industry-leading efficiency and eBPF-powered sensors, Upwind delivers comprehensive capabilities, including agentless cloud posture discovery, real-time threat protection, and integrated API security. From misconfigurations to malware defense, Upwind ensures end-to-end, cost-effective cloud infrastructure protection. At Upwind, you'll have the opportunity to think creatively, explore new ideas, and use your skills to make a meaningful impact on our growth. We are looking for a Security Engineer to join our MDR team as the founding U.K. member of the Security organization. In this role, you will be part of our security function, focusing on proactive reviews and providing advanced guidance to customers, while independently owning U.K.-hours coverage. This is an opportunity to bring deep cloud security expertise to a fast-growing team, working closely with analysts, researchers, and engineers, with a clear path toward technical or team leadership as the U.K. presence scales.Responsibilities

• Assist in fine-tuning Upwind's detection and response mechanisms.
• Support proactive reviews of customer environments to identify risks, exposed attack surfaces, and recommend improvements.
• Lead and conduct in-depth security investigations, including supply chain, API, malware, and runtime attack scenarios, documenting outcomes and developing playbooks to enhance future detection and response.
• Collaborate with Security Analysts, Research, and Backend teams to enhance detection quality.
• Own the handling of complex or critical incidents escalated from Tier 1/2, including live, high-pressure engagements with customers.
• Participate in recurring customer meetings, helping translate security findings into clear, actionable recommendations, and maintain composure when conversations get tense.
• Stay up to date with emerging threats, attack techniques, attack surfaces, and best practices in cloud security.
• Contribute to the development and training of AI-driven detection models, leveraging machine learning to improve investigation accuracy and response efficiency.

Requirements

• Based in Belfast, NI. This is a hybrid, in-office, 3 days per week role; visa sponsorship is not available.
• You must already be based in NI **
• This role includes participating in a shared on-call rotation. While escalations are infrequent, team members are expected to be available for nights, weekends, or holidays during their rotation week.
• Solid, hands-on experience in cybersecurity, ideally from a leading cloud or cloud security company, with real-world exposure to cloud environments.
• Strong working knowledge of detection engineering, incident response, and threat analysis, with the ability to explain attack techniques (supply chain, API, malware, runtime) in depth.
• Hands-on experience with at least one major cloud platform (AWS, GCP, or Azure) and container technologies (Docker/Kubernetes).
• Comfortable and hands-on with Linux; Windows knowledge is a plus.
• Familiarity with networking fundamentals and scripting (Python/Bash).
• Strong communication and presentation skills, with proven ability to engage directly with customers, including staying composed under pressure or pushback.
• Self-directed and comfortable operating independently in a fast-paced, high-ownership startup environment.
• Curiosity, problem-solving mindset, and a genuine personal interest in security beyond the day job.
• B.Sc. in Computer Science / Information Security, an advantage.