Linux Systems Developer OpenSSL C

Linux Systems Developer / Engineer (OpenSSL C) London to £85k Do you have a deep knowledge of Linux combined with OpenSSL? You could be progressing your career at a successful and expanding software house that provide cyber security products to a range of finance, government, defence, law enforcement and pharmaceutical companies. As a Linux Systems Developer you'll join a core Linux team in a newly created role, taking ownership of developing and maintaining secure, reliable software at operating system level. You'll work across Linux security mechanisms, kernel-level hardening and cryptographic technologies, applying security-by-design principles throughout the development lifecycle. This is a specialist engineering role suited to someone who enjoys working close to the operating system and tackling complex security challenges. You'll use C as your primary language, with Bash for scripting, developing robust, maintainable software and contributing to technical design and code reviews. A key focus will be assessing and strengthening the security of the Linux platform, including in-depth work with OpenSSL, X.509 certificates and PKI, as the organisation works towards Common Criteria certification. Location / WFH: You can work from home most of the time, meeting up with an international team, in Central London offices once a week. About you: You have strong programming experience in C, including debugging, memory management and system-level programming You're highly proficient with Bash scripting for automation, tooling, testing and integration You have a deep understanding of Linux operating systems, especially Debian based ones, system services, process management, permissions and system administration You have a good knowledge of OpenSSL (both on the command line and programmatically), X.509 certificates and PKI fundamentals You understand Linux security mechanisms including seccomp, udev and auditd You have a good knowledge of Linux privilege management, capabilities, access controls and application isolation You have a strong understanding of secure software development practices, threat mitigation and common security vulnerabilities You're keen to take ownership, work independently, solve complex technical problems and communicate technical concepts clearly What's in it for you: Salary to £85k + OTE 25 days holiday, rising to 27 in two years, ability to buy 5 days per year Private Medical Care, Life Cover, Pension Subsidised gym membership Hybrid working Apply now

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