"national security" Jobs

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

Showing 20 of 270 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 3 months ago
Flexible on stack
Second Front Systems

Join Second Front Systems as a Senior Technical Implementation Engineer to lead complex deployments in UK government and secure cloud environments.

Second Front Systems United Kingdom, London and Surrounding Areas £90k–£110k/yr Published 1 month ago
Flexible on stack
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
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
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
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
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 1 week ago
Flexible on stack
Vercel

Join Vercel as a Security Software Engineer to enhance the security of open source frameworks like Turborepo and SvelteKit.

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

Join Vercel as a Security Engineer to enhance internal security and manage detection response in a hybrid work environment.

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

Join Algolia as an Information Security Engineer to enhance security measures and protect customer data in a collaborative environment.

Algolia Remote - United Kingdom £66.1k–£91.8k/yr Published 2 months ago
Flexible on stack
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
Wiz

Join Wiz as a Security Engineer to secure cloud-native environments and influence product development in a fast-growing startup.

Wiz London, UK; Remote - United Kingdom Published 3 weeks ago
Flexible on stack
Blockchain.com

Join Blockchain.com as a Senior Product Security Engineer to enhance security across various product lines in a hands-on role.

Blockchain.com London Published 2 months ago
Flexible on stack
Vercel

Join Vercel as a Product Security Engineer to lead security initiatives and ensure the safety of our web products and services.

Vercel Hybrid - San Francisco, New York City, London, Berlin $208k–$312k/yr 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 2 months ago
Datadog

Join Datadog as a Principal Partner Manager to drive growth with top security-focused channel partners in EMEA.

Datadog London, United Kingdom Published 5 months ago
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
Okta
Okta London, United Kingdom $126k–$172k/yr 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 2 months ago
Flexible on stack