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- Tasks: Lead and optimise Unix systems, ensuring stability and performance across platforms.
- Company: Join Paragon, a forward-thinking company with a focus on innovation and collaboration.
- Benefits: Enjoy a competitive salary, remote work flexibility, and opportunities for professional growth.
- Why this job: Make a real impact by shaping Unix systems in a dynamic, hands-on role.
- Qualifications: Extensive experience with AIX and Linux, strong troubleshooting skills, and a passion for mentoring.
- Other info: Permanent remote position with occasional travel; inclusive workplace culture.
The predicted salary is between 48000 - 68000 £ per year.
We are looking for a Senior Unix Systems Engineer to join Paragon and take technical ownership of their Unix estate across the UK and international hosting environment. As the Senior Unix Systems Engineer, you’ll act as the technical lead and senior escalation point for Unix platforms across Paragon’s hosting estate. You’ll be responsible for the stability, performance, security, and ongoing improvement of AIX and Linux environments, while supporting infrastructure strategy, automation, and mentoring within the team. This is a senior, hands-on role for someone who enjoys being close to the platform, leading by example, and shaping how Unix systems are designed, supported, and improved across on-prem and cloud environments.
Main Responsibilities:
- Act as the senior technical authority for Unix platforms across Paragon
- Design, build, support, and optimise AIX and Linux environments (Red Hat, Oracle Linux, CentOS)
- Provide 3rd line support and senior escalation for complex Unix incidents
- Lead patching, upgrades, lifecycle management, and platform improvements
- Support Unix platforms across on-prem VMware and public cloud environments (AWS, Azure, OCI)
- Drive automation, scripting, and configuration improvements to reduce manual effort
- Ensure Unix environments meet security, compliance, backup, and DR requirements
- Work closely with cloud, infrastructure, security, and application teams
- Contribute to platform strategy and mentor engineers within the team
- Participate in an on-call rota and occasional out-of-hours work
Required Skills & Experience:
- Extensive experience supporting AIX and Linux in enterprise environments
- Strong knowledge of Oracle Linux, including Ksplice
- Experience across on-prem, hybrid, and cloud infrastructure
- Solid understanding of virtualisation, storage, and Unix networking
- Strong troubleshooting skills and ability to resolve complex, business-critical issues
- Experience working in ITIL-governed environments
- Confident communicator, comfortable working with senior technical and non-technical stakeholders
Desirable:
- Unix or Linux certifications (RHCE, RHCSA, or similar)
- Strong scripting and automation experience (Bash, Python, PowerShell)
- Experience working in AWS, Azure, or OCI
- Previous experience mentoring engineers or acting as a technical lead
This is a permanent remote role – with occasional travel to Paragon sites. Hours Monday–Friday, 9am–5pm.
Please note that due to the high volume of responses we receive, only successful applicants will be contacted. We are an equal opportunity employer, and we encourage job applications from people of all backgrounds. All qualified applicants will receive consideration regardless of gender, race, religion, age, disability, sexual orientation, or marital status.
Salary: £68,000
Contract: Permanent
Location: Remote (UK based)
Senior Unix Engineer employer: Devonshire Appointments
Contact Detail:
Devonshire Appointments Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Unix Engineer
✨Network Like a Pro
Get out there and connect with folks in the industry! Attend meetups, webinars, or even online forums. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Show Off Your Skills
When you get the chance to chat with potential employers, don’t hold back! Share your hands-on experience with AIX and Linux, and talk about how you've tackled complex issues. Let them see your passion for Unix systems!
✨Tailor Your Approach
Before any interview, do your homework on the company and its tech stack. Make sure to highlight your relevant experience with their specific environments, whether it’s AWS, Azure, or on-prem solutions. Customisation is key!
✨Apply Through Our Website
Don’t forget to apply directly through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search.
We think you need these skills to ace Senior Unix Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior Unix Engineer role. Highlight your experience with AIX and Linux, and don’t forget to mention any relevant certifications or projects that showcase your skills in automation and cloud environments.
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re the perfect fit for the role. Talk about your passion for Unix systems and how your experience aligns with the responsibilities listed in the job description.
Showcase Your Problem-Solving Skills: In your application, give examples of complex Unix incidents you've resolved. This will demonstrate your troubleshooting skills and ability to handle critical issues, which is key for this senior position.
Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of applications and ensures you get all the updates directly from us. Plus, it shows you’re keen on joining our team!
How to prepare for a job interview at Devonshire Appointments
✨Know Your Unix Inside Out
Make sure you brush up on your AIX and Linux knowledge before the interview. Be ready to discuss specific experiences you've had with these systems, especially in enterprise environments. Highlight any complex incidents you've resolved and how you approached them.
✨Showcase Your Automation Skills
Since automation is key for this role, prepare examples of how you've used scripting (like Bash or Python) to improve processes. Discuss any tools or frameworks you've implemented to reduce manual effort and enhance efficiency.
✨Communicate Clearly and Confidently
You'll be working with both technical and non-technical stakeholders, so practice explaining complex concepts in simple terms. Think about how you can demonstrate your communication skills during the interview, perhaps by sharing a story where you successfully collaborated with different teams.
✨Prepare for Scenario-Based Questions
Expect to face scenario-based questions that test your troubleshooting skills and decision-making. Think through potential challenges you might encounter in a Unix environment and how you would address them. This will show your problem-solving abilities and readiness for the role.
