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Senior Application Security Engineer, Milton Keynes
Client: Cloudsmith
Location: Milton Keynes, UK (Remote work within the UK)
Job Category:
Other
-
EU work permit required:
Yes
Job Views:
4
Posted:
31.05.2025
Expiry Date:
15.07.2025
Job Description:
Some people like building things. Others like breaking them. You? You love both and more importantly, you love stopping bad actors from breaking the things you helped build. If that sounds like your vibe, we’ve got a job you’ll want to see.
This job is with the software supply chain company - securing and powering how software gets delivered everywhere.
What you'll do:
* Embed security across the platform, from source to production.
* Architect security controls across distributed, cloud-native systems.
* Lead threat modeling and security reviews (and get people to enjoy them).
* Perform ethical pen-testing on services and infrastructure.
* Extend security automation and monitoring with tools like CircleCI, GitHub Actions, DataDog, AWS Security Hub, etc.
* Harden everything from container runtimes to APIs to artifact pipelines.
* Write secure code, review others’ code, and help everyone improve their secure coding skills.
* Build tools, automate routine tasks, and occasionally develop proof of concepts for fun.
You need:
* A background in software development, with proficiency in Python and some TypeScript.
* Deep application security knowledge.
* Hands-on experience with SAST, DAST, RASP, and securing cloud environments (preferably AWS).
* Strong understanding of container security, API security, Infrastructure as Code, and CI/CD pipelines.
* Experience with pen testing, threat modeling, and developing security tools.
* Bonus: experience securing artifact systems or supply chains.
* Bonus: familiarity with Firecracker, gVisor, SCA, and data enclaves.
* You believe security should enable, not block, engineering.
* You’re diplomatic and able to work collaboratively with engineering teams to secure the SDLC.
This job is remote within the UK or on the Island of Ireland. Applicants must be physically located in these areas; remote work from outside the UK or Ireland is not permitted.
Work permit sponsorship is not available for this position.
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