"security reliability engineering" Jobs

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

Showing 20 of 123 results

Mixpanel

Join Mixpanel as a Senior Security Engineer to lead detection and response initiatives in a high-impact security team.

Mixpanel London, UK (Hybrid) £103k–£139.5k/yr Published 4 months 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 3 months ago
Cloudflare

Lead the Edge SRE team at Cloudflare in London, focusing on production reliability and tool development for edge services.

Cloudflare Hybrid Published 1 week ago
Heavy meetings
Valarian

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

Valarian London Published 3 months ago
Flexible on stack
Valarian

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

Valarian London Published 1 month ago
Flexible on stack
Blockchain.com

Join Blockchain.com as a Site Reliability Engineer to enhance infrastructure for a rapidly growing crypto platform.

Blockchain.com London Published 2 years 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 3 months 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 4 months ago
Flexible on stack 70% coding
Valarian

Join Valarian as a Senior Infrastructure Engineer to build and improve the foundational infrastructure for ACRA in a high-trust environment.

Valarian London Published 4 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 3 months ago
Flexible on stack
Valarian

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

Valarian London Published 1 month ago
Cloudflare

Join Cloudflare as a Senior Software Engineer to lead complex projects and mentor engineers while building scalable security solutions.

Cloudflare Hybrid €66k–€91k/yr Published 1 month ago
Flexible on stack 70% coding
Valarian

Join Valarian as a Platform Engineer to build internal platform capabilities that enhance developer velocity and operational consistency.

Valarian London Published 4 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 month ago
Flexible on stack
Cloudflare

Join Cloudflare as a Systems Engineer to build high-performance systems handling a quarter of the Internet's traffic.

Cloudflare Hybrid €54k–€75k/yr Published 1 month ago
Flexible on stack
Cognition

Join Cognition as an IT Engineer to enhance employee technology experience and support global IT operations in London.

Cognition 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 4 months ago
Flexible on stack
Meter

Design and deploy resilient wireless networks while leading technical decisions and supporting customer installations.

Meter London Published 1 year ago