Overview

Lead Linux Systems Administrator – Infrastructure & Team Leadership | London. Miller Maxwell is recruiting on behalf of a well-established, profitable, and globally expanding institutional brokerage. With over 500 employees across four regions, the firm is investing heavily in its infrastructure and seeks a Lead Linux Systems Administrator to drive technical excellence and lead strategic infrastructure projects across Europe.

This is a hands-on leadership role combining deep technical expertise with team management and strategic delivery.

As Lead Linux Systems Administrator, you’ll oversee the evolution of critical Linux environments while mentoring a growing team. You’ll lead infrastructure initiatives, balance BAU support with strategic delivery, and champion automation and innovation across the business.

Responsibilities

• Lead and mentor a team of Linux engineers, fostering a high-performance culture.
• Design and build new Linux environments as part of major infrastructure projects in 2025.
• Remain hands-on with system administration, scripting (Python/Bash), and troubleshooting.
• Drive adoption of automation tools and streamline operational workflows.
• Collaborate with QA, Development, and DevOps teams to improve deployment pipelines.
• Oversee system monitoring, performance tuning, and proactive issue resolution.
• Ensure clear communication with service desk and stakeholders on system changes.

Qualifications

• 8+ years of experience in Linux systems engineering/administration.
• Proven leadership experience managing technical teams.
• Experience managing Systems Administrators, DevOps, or Infrastructure teams - essential that you have managed teams.
• Strong scripting skills in Python and Bash
• Experience with virtualization technologies (Nutanix, VMware)
• Solid understanding of networking concepts, including multicasting

What’s on Offer

• Competitive bonus and profit share.
• Share options.
• 26 days holiday.
• Private medical insurance.
• Pension, life insurance, and wellness programs.

Location: London – Hybrid working model.

Recruiter Contact: Miller Maxwell – Specialists in Infrastructure & Trading Technology

Additional Information

Seniority level: Mid-Senior level

Employment type: Full-time

Job function: Information Technology and Finance

Industries: Technology, Information and Media, Financial Services, and IT System Custom Software Development