At a Glance
- Tasks: Design and develop secure software for Linux systems using C++, Python, and Bash.
- Company: Join a leading tech firm focused on secure endpoint technology.
- Benefits: Enjoy competitive pay, private medical insurance, and generous annual leave.
- Other info: Great opportunities for professional growth and a dynamic work environment.
- Why this job: Make an impact on high-profile projects while collaborating with industry experts.
- Qualifications: Strong programming skills in C++, Python, and Bash; Linux knowledge essential.
The predicted salary is between 63000 - 77000 £ per year.
About the Role
We are seeking a skilled Linux Systems Developer with strong programming skills in C++, Python and Bash, alongside a solid understanding of Linux internals, system-level development and security engineering.
The successful candidate will design, develop and maintain secure, reliable software for Linux-based systems.
They will have practical experience with Linux security mechanisms, cryptographic technologies, certificate management and system hardening, with the ability to apply security principles throughout the software development life cycle.
This role is suited to an engineer who enjoys working close to the operating system, solving complex technical problems and building robust, security-focused software.
Key Responsibilities
- Design, implement, test and maintain Linux components using C++, Python and Bash.
- Develop efficient, reliable and maintainable software with a strong emphasis on security.
- Participate in code reviews, technical design discussions and continuous improvement of development practices.
- Apply secure coding principles and security-by-design practices to Linux software development.
- Required Skills & Qualifications
- Strong practical programming experience in C and C++, including debugging, memory management and system-level programming.
- Proficiency in Python and Bash scripting for automation, tooling, testing and integration.
- Strong understanding of Linux operating systems, especially Debian-based ones, system services, process management, permissions and system administration.
- Practical knowledge of Open SSL (both on the command line and programmatically), X.509 certificates and PKI fundamentals.
- Understanding of Linux security mechanisms including seccomp, udev and auditd.
- Knowledge of Linux privilege management, capabilities, access controls and application isolation.
- Understanding of secure software development practices, threat mitigation and common security vulnerabilities.
- Experience using debugging and diagnostic tools to investigate software and OS issues.
- Ability to work independently, solve complex technical problems and communicate technical concepts clearly.
- Nice-to-Have
- Experience developing Linux daemons and system services.
- Practical experience troubleshooting TLS, certificate validation and certificate-based authentication issues.
- Familiarity with Linux kernel interfaces, system calls, ioctls or device drivers.
- Experience with Git, CI/CD, automated testing and software packaging.
- Familiarity with security standards, vulnerability management and security assessment processes.
- Experience working with embedded Linux, industrial systems, appliances, or other security-sensitive Linux platforms.
- Why Join Us
- Shape the future of secure endpoint technology.
- Work on high-impact projects for global, high-profile clients.
- Collaborate with a team of experts pushing the boundaries of Linux and security.
- Competitive compensation and strong opportunities for professional growth.
Package & discretionary benefits
- 25 days annual leave plus an additional 2 days after 2 years' service
- 5 days additional holiday purchase available
- Private medical insurance
- Health cashback plan with Healthshield
- Pension scheme
- Life cover 4 x salary
- Season ticket loan
- Salary exchange benefits (ride2work, pension)
- Subsidised gym membership
- Employee referral scheme
Role will be subject to an employment screening process and will require security clearance.
Linux Systems Developer in London employer: CareerPoster
Global is an exceptional employer that prioritises employee development and a supportive work culture at our Leeds site. With comprehensive training provided, we foster a collaborative environment where attention to detail and customer service excellence are celebrated, ensuring that our team members thrive while contributing to a prestigious brand experience.
StudySmarter Expert Advice🤫
We think this is how you could land Linux Systems Developer in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at CareerPoster or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to CareerPoster.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like CareerPoster.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like CareerPoster that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Linux Systems Developer in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at CareerPoster.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at CareerPoster and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at CareerPoster
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If CareerPoster uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
