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Security Infrastructure Software Engineer (C/Python) - Cork, Ireland

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Key Highlights
100% onsite role in Cork, Ireland
High-security standards with HSM-protected cryptographic keys
Full lifecycle engineering role (architecture, development, testing, integration)
Key Responsibilities
Contribute to architecture, development, testing, integration, and debugging of secure infrastructure services
Collaborate with device engineering teams to optimize secure infrastructure solutions
Help shape the architecture of company products
Technical Skills Required
C Python Java
Benefits & Perks
Salary, stock, and performance-related bonus
Employee stock purchase scheme and matching pension scheme
Life, medical, income, and travel insurance
Maternity/paternity leave and education assistance
Relocation and immigration support (if needed)
Subsidised physical and mental wellbeing memberships
Employee-run clubs and bicycle purchase scheme
Nice to Have
Java development experience (Spring, RESTEasy, JAXB, JCA/JCE)
Experience with PKI/certificates and cryptographic key management
Hands-on experience with OpenSSL, PKCS#11, and HSM platforms
Familiarity with post-quantum cryptography
Experience with containerization (Docker, Kubernetes)

Job Description

A world-renowned semiconductor company is hiring in Cork, Ireland. This is a chance to build the secure services that protect cryptographic keys across the whole organisation.

Why this role is exciting

You’ll join the development team behind the services that support device image signing and factory provisioning, using keys protected by Hardware Security Modules (HSMs). The services are mostly delivered as Java applications on standalone, on-premises servers with attached HSMs, built to very high security and assurance standards. This is an engineering role, not a cybersecurity IT position.

What you’ll do

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