Senior Cyber Security Engineer

Didcot, United KingdomOn-site

Responsibilities

Building and refining incident response playbooks to ensure consistent and effective handling of threats •

Strengthening the security posture of our cloud environments (AWS, Azure, GCP) through continuous improvement and optimisation •
Strong understanding of cyber security across infrastructure, cloud environments, and applications •
Deep knowledge of public cloud security (GCP, AWS, Azure) and SaaS platforms such as Microsoft 365 •
Familiarity with SIEM/XDR platforms and vulnerability management tools •
Solid understanding of identity and access management, Zero Trust architectures, and secure network design •
Ability to write scripts or code to automate security tasks (e.g. Python, Bash, PowerShell) •
Strong knowledge of Linux and Windows systems, including system hardening approaches •
Understanding of secure software development practices and how to integrate security into CI/CD pipelines •
Ability to collaborate effectively across technical teams and embed security into everyday work •
To apply, you must have the legal right to work in your chosen location.
When applying, please submit your CV in English Why Open Cosmos? •

At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on…
Our COO Teams are the engine that powers Open Cosmos’ operations.
This division brings together mission management, supply chain, and quality & product assurance to make sure every mission is delivered smoothly, reliably, and to the highest standards.
They turn plans into action, keeping us efficient and mission-ready at all times.
This is a hands-on role focused on strengthening our security posture end-to-end.
You’ll work across cloud, corporate, and mission-critical environments, embedding security into how we build, operate, and scale.