"defensive security" Jobs

36 open tech roles matching “defensive security”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, C++, Docker. Every listing is re-checked daily and closed roles are removed.

Showing 20 of 36 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
HackerOne

Join HackerOne as a Senior Security Engineer to design and deliver AI-powered detection and response capabilities in a cloud-native environment.

HackerOne London Published 3 weeks 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 3 weeks ago
Cloudflare

Join Cloudflare as a Response Engineer to protect enterprise customers from complex cyber threats in a dynamic operational environment.

Cloudflare Hybrid Published 6 days ago
Flexible on stack
Vercel

Join Vercel as a Senior Security Software Engineer to enhance security in the innovative v0 platform.

Vercel Hybrid - San Francisco, New York City, London, Berlin $208k–$312k/yr Published 2 months ago
Flexible on stack 70% coding
Sierra

Join Sierra as a Security and Compliance Manager to enhance customer trust and navigate complex regulatory landscapes in AI.

Sierra London Published 6 months ago
Volta

Join Volta as a Security Engineer focusing on compliance to implement and maintain security controls for ISO 27001 and SOC 2.

Volta Palo Alto, CA Published 2 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
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
Synthesia

Lead and grow a senior AppSec team at a leading AI video platform, focusing on security tooling and strategy.

Synthesia Europe Published 3 months ago
Flexible on stack Heavy meetings
Applied Intuition

Join Applied Intuition as a Solution Architect to solve complex technical problems in the defense sector.

Applied Intuition London Published 1 month ago
Flexible on stack
Applied Intuition

Join Applied Intuition as a Software Engineer to design and develop high-performance software solutions for national security applications.

Applied Intuition London Published 1 month ago
Flexible on stack
Applied Intuition

Join Applied Intuition as a Solution Engineer to help customers solve complex technical problems in the UK & EUR Defence sector.

Applied Intuition London Published 1 month ago
Flexible on stack
Applied Intuition

Join Applied Intuition as the first fullstack engineer in the UK team, shaping user-facing products for autonomous capabilities.

Applied Intuition London Published 1 month ago
Flexible on stack
Applied Intuition

Join Applied Intuition as a Forward Deployed Engineer to integrate vehicle intelligence products in military and government environments.

Applied Intuition London Published 3 months ago
Flexible on stack
Applied Intuition

Join Applied Intuition as a Senior Software Engineer to lead the design and development of cutting-edge autonomous solutions.

Applied Intuition London Published 1 month ago
Flexible on stack
Applied Intuition

Join Applied Intuition as a Solution Engineer to support customers in adopting autonomous systems in the UK and EUR Defence sector.

Applied Intuition London Published 1 month ago
Flexible on stack
Applied Intuition

Join Applied Intuition as a Senior Cloud Infrastructure Engineer to enhance developer efficiency and design robust cloud solutions for defense applications.

Applied Intuition London Published 1 month ago
Flexible on stack
Applied Intuition

Join Applied Intuition as a Robotics Software Engineer to develop and deploy autonomy solutions for defense platforms.

Applied Intuition London Published 1 month ago
Flexible on stack
Applied Intuition

Join Applied Intuition as a Senior GNC Engineer to design and test flight autonomy capabilities for military UAVs.

Applied Intuition London Published 1 month ago
Flexible on stack