Senior System Administrator - Financial Trading

A fast-growing global financial trading organisation is expanding its IT Infrastructure function and is hiring an experienced Senior Systems Administrator to strengthen its cloud, automation, and end-user infrastructure capabilities. This is a senior, hands-on role working closely with IT Operations to improve and scale the backend environment.

This role is ideal for someone who enjoys owning end-user systems, solving complex technical problems, and driving automation across a global environment.

This is ideal for someone who has grown from IT Operations into a senior engineering role. A technically curious engineer who wants to refine infrastructure, automate everything possible, and remove bottlenecks.

If you enjoy team collaboration and working in a fast-paced and ever-evolving environment, get in touch and apply today! 

Responsibilities:

• Act as a senior escalation point for complex 3rd-line issues across the end-user environment.
• Lead backend automation and root-cause analysis to improve reliability and reduce operational workload.
• Deliver and support global infrastructure projects, including migrations and cloud adoption.
• Work closely with IT Operations, offering guidance, troubleshooting, and system improvements.
• Contribute ideas and hands-on solutions to uplift infrastructure, automation, and tooling.
• Help shape the move towards increased cloud usage across multiple international offices.

Key Skills & Experience

• 7+ years’ experience in Systems Engineering / IT Operations.
• Strong background in Windows / Microsoft environments.
• Deep experience with AWS (or another major cloud provider with a willingness to pivot to AWS.
• Demonstrable experience with automation (PowerShell, scripting, IaC, etc.).
• Exposure to end-user technologies such as SSO (e.g., Okta) and MDM tools (Intune or JAMF – JAMF experience not essential).
• Comfortable working in a fast-paced environment
• Excellent communication skills to handle complex end-user issues with clarity.

Location

• Amsterdam (4 days per week in the office, 1 day from home)

Salary & Benefits:

• Up to €100,000 base salary (depending on depth of experience).
• Bonus potential + a strong benefits package.
• Opportunity to help define a growing cloud function in a world-class high-frequency trading firm
• Visibility, autonomy, and the chance to significantly impact how the business scales