Corporate Security Engineer
ClickHouse
Senior Security Engineer
Element
full-time
Posted on:
Location Type: Remote
Location: Remote • 🇬🇧 United Kingdom
Visit company websiteJob Level
Senior
Tech Stack
AWSCloudGoPythonRustTypeScript
About the role
- Contribute to the continuous penetration testing programme for Element and Matrix.org infrastructure.
- Own vulnerability management: triage, prioritisation, and remediation guidance.
- Embed security into CI/CD and infrastructure-as-code workflows.
- Partner with engineering teams to raise security awareness and embed best practices.
- Conduct security research to identify novel vulnerabilities in infrastructure and code.
- Triage external vulnerability reports and coordinate responses/advisories.
- Deliver customer-facing security features (e.g. SBOMs, advisories).
- Review and support secure development in Python, Rust, TypeScript and Go.
- Support Compliance by implementing and evidencing security controls.
- Contribute to protocol analysis and development with Matrix.org Foundation staff.
Requirements
- Strong grasp of core security principles and common vulnerability classes (across infrastructure, cloud and applications).
- Strong knowledge of network and cloud security, particularly AWS.
- Demonstrable offensive security experience (pentest, bug bounty, or research). Tooling fluency in common pentesting tools (nmap, nuclei, mitmproxy, Burp, ffuf, etc); bonus points for the ability to script your own.
- Proficiency in at least one of Python, Rust, TypeScript, or Go.
- Experience working with software teams to help them embed security practices into their workflows.
- Comfortable working in a remote-first organisation.
- Based in Europe (including UK).
Benefits
- Meaningful, mission-driven work in open source
- 40 days of annual leave (incl. local public holidays)
- Private healthcare (depending on location)
- Share options
- Flexible hours and remote-first culture
- Family-friendly environment
- Annual bonus subject to individual and company performance
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard skills
penetration testingvulnerability managementsecurity researchsecure developmentPythonRustTypeScriptGonetwork securitycloud security
Soft skills
security awarenesscollaborationcommunicationtriageprioritisationremediation guidance
