"security critical systems" Jobs

90 open tech roles matching “security critical systems”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, AWS, Kubernetes. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 90 results

Blockchain.com

Join Blockchain.com as a Senior Infrastructure Security Engineer to enhance security across our platforms and respond to cyber threats.

Blockchain.com London Published 5 months ago
Flexible on stack
Blockchain.com

Join Blockchain.com as a Security Engineer to enhance the security of institutional trading processes in a rapidly growing crypto company.

Blockchain.com London Published 4 months ago
Flexible on stack
Valarian

Join Valarian as the Head of Information Security to lead security strategy and compliance in a cutting-edge technology company.

Valarian London Published 6 days ago
Second Front Systems

Join Second Front Systems as a Senior Platform Engineer to enhance national security through innovative DevSecOps solutions.

Second Front Systems United Kingdom, London and Surrounding Areas £110k–£130k/yr Published 1 month ago
Flexible on stack
Intercom

Join Fin as a Senior Application Security Engineer to shape security in AI-powered customer service solutions.

Intercom London, England Published 2 months ago
Intercom

Join Fin as a Cloud Security Engineer to secure AI-powered customer service platforms and enhance cloud security practices.

Intercom London, England Published 2 months ago
Flexible on stack
Valarian

Join Valarian as a Software Engineer to build and operate backend services for a secure Kubernetes platform.

Valarian London Published 2 months ago
Flexible on stack
Valarian

Join Valarian as a TechOps Engineer to support and evolve our IT function in a hybrid work environment.

Valarian London Published 1 week ago
Flexible on stack
Cloudflare

Join Cloudflare as a Senior Response Engineer to lead network security efforts against sophisticated threats in a hybrid work environment.

Cloudflare Hybrid Published 1 week ago
Flexible on stack
Valarian

Design and build backend services for a complex security-focused Kubernetes platform in a collaborative startup environment.

Valarian London Published 3 months ago
Flexible on stack 70% coding
Anthropic

Serve as a trusted security expert for enterprise customers, addressing critical security and compliance questions in the age of AI.

Anthropic London, UK £190k–£225k/yr Published 3 months ago
Valarian

Lead operational and governance execution for Valarian’s platform engineering team, focusing on security and technical product management.

Valarian London Published 1 week ago
Valarian

Own the release lifecycle for Acra, ensuring secure and reliable software delivery in high-consequence environments.

Valarian London Published 3 weeks ago
Flexible on stack
Sierra

Join Sierra as a Deployed Infrastructure Engineer to manage customer deployments of our AI platform while collaborating with cross-functional teams.

Sierra London Published 1 month ago
Flexible on stack
Sierra

Join Sierra as a Deployed Infrastructure Engineer to manage customer deployments of our AI platform in a collaborative environment.

Sierra London Published 2 months ago
Flexible on stack
Applied Intuition

Join Applied Intuition as a Systems Engineer to define requirements and integrate technology onto autonomous vehicles and defense systems.

Applied Intuition London Published 3 months ago
Flexible on stack
Graphcore

Join Graphcore as a Senior Linux Distribution & Validation Engineer to build the foundation for AI systems with hands-on systems engineering.

Graphcore London, UK £73.5k–£99.5k/yr Published 1 month ago
Flexible on stack
Coram AI

Join Coram AI as an Infrastructure Software Engineer to build and maintain a custom edge and cloud stack for IoT products.

Coram AI London Published 6 months ago
Flexible on stack