Secure Linux Systems Developer (C/C++, Python)

CareerPoster; Greater London; On-site; GBP 80,000 - 100,000; Full time

Benefits offered by this job

Private medical insurance

Pension scheme

Life cover 4 x salary

Season ticket loan

Salary exchange benefits

Job summary

CareerPoster is seeking a Linux Systems Developer to design, develop and maintain secure Linux-based software. You will work close to the OS, solving complex problems with a strong emphasis on security engineering and system-level programming.

The role involves implementing Linux components with C++, Python, and Bash, applying secure coding practices and collaborating in design reviews to improve development workflows. Candidates should be adept at debugging and OS-level issue resolution.

Qualifications

• Strong programming experience in C and C++, including memory management and system-level programming.
• Proficiency in Python and Bash scripting for automation, tooling, testing and integration.
• Solid understanding of Linux operating systems (Debian-based), services, processes, permissions and admin tasks.
• Practical knowledge of OpenSSL and PKI fundamentals.
• Understanding of Linux security mechanisms including seccomp, udev and auditd.
• Knowledge of Linux privilege management and application isolation.
• Awareness of secure software development practices, threat mitigation and common vulnerabilities.
• Experience using debugging and diagnostic tools to investigate OS issues.
• Ability to work independently and communicate technical concepts clearly.

Responsibilities

• Design, implement, test and maintain Linux components using C++, Python and Bash.
• Develop efficient, secure, reliable software with a focus on security.
• Participate in code reviews, technical design discussions and process improvements.
• Apply secure coding principles and security-by-design across the SDLC.

Skills

C++

Python

Bash

Linux internals

Security engineering

OpenSSL

X.509 PKI

seccomp

udev

auditd

privilege management

secure SDLC

debugging tools

communication

Tools

OpenSSL

Git

CI/CD

Testing frameworks

Job description

CareerPoster is seeking a Linux Systems Developer to design, develop and maintain secure Linux-based software. You will work close to the OS, solving complex problems with a strong emphasis on security engineering and system-level programming.

The role involves implementing Linux components with C++, Python, and Bash, applying secure coding practices and collaborating in design reviews to improve development workflows. Candidates should be adept at debugging and OS-level issue resolution.