Senior Systems Engineer_NL, Haarlem

Posted Thursday, May 28, 2026 at 10:00 PM Gaming Laboratories International (GLI) is looking for a Senior Systems Engineer (IT Generalist– Infrastructure&Operations) to join our IT team in the Netherlands - Haarlem. Type: Full-Time Travel: Up to 5% Who We Are…

Wherever there is legalized gambling, jurisdictions have a set of regulations by which manufacturers and operators must adhere to. Any game or system which is released to the public must be able to show that it conforms to the required regulations. To do this, the game or system must be tested. This is where we come in. Since 1989, Gaming Laboratories International (GLI) has been the global leader in the testing and certification of gaming devices and systems. We are proud of our stability and our history of world-class customer service delivery to jurisdictions worldwide.Role Summary

We are seeking a Senior Systems Engineer who operates as a high-performing IT generalist, capable of owning and delivering across a broad infrastructure landscape. This role is responsible for the provisioning, operation, maintenance, and continuous improvement of systems, networks, and services across multiple GLI office locations. The successful candidate will combine deep technical capability with strong ownership, disciplined prioritisation, and the ability to consistently deliver to a high standard.Key Responsibilities

Own and manage assigned infrastructure, systems, and applications, ensuring reliability, performance, and security. Administer and optimise Cisco networking environments (routing, switching, LAN/WAN performance). Manage and support VMware virtualisation platforms, including performance tuning and troubleshooting.Maintain core infrastructure services (Windows Server, DNS, DHCP, TCP/IP, enterprise email systems). Monitor system health (logs, alerts, performance metrics) and proactively resolve issues before impact. Support and operate backup and disaster recovery processes, ensuring data integrity and availability.Apply system updates, patches, and configuration changes in line with security and operational standards. Lead and contribute to incident and problem management, including root cause analysis and preventative actions. Maintain high-quality technical documentation, including system configurations and procedures.Provide escalation support and resolve complex technical issues across multiple domains. Work closely with internal stakeholders to understand business requirements and deliver effective technical solutions. Support global operations, including inter‑site connectivity and remote troubleshooting.Senior-Level Capability (Essential for Success)

Strong expertise in Cisco networking (routing, switching, troubleshooting). Proven capability managing VMware environments at scale. Demonstrated advanced troubleshooting capability across multiple technical domains. Ability to work independently with limited supervision and deliver consistent results.Experience in ITIL practices, particularly Problem Management and service improvement. Operational Expectations (What Good Looks Like)

Consistently delivers as a reliable, high-performing individual contributor. Effectively prioritises own workload while supporting team members where appropriate. Demonstrates strong ownership and accountability for outcomes. Applies structured troubleshooting and ITIL-aligned processes. Maintains a strong balance between supporting others and delivering personal responsibilities.Required Qualifications&Experience

Bachelor's degree in IT, Computer Science, or equivalent experience. 5+ years in enterprise IT infrastructure environments. Strong hands‑on experience with: Backup and disaster recovery systems. Strong knowledge of network topology and remote access technologies. Strong communication skills, with the ability to operate across both technical and business audiences.Proven ability to manage multiple priorities with attention to quality and deadlines. Summary

This is a hands‑on Senior Systems Engineer role for a true IT generalist, someone who can operate autonomously across technologies, take ownership, and consistently deliver high‑quality outcomes in a demanding, business‑critical environment. Benefits that include:

25 holidays per year, excluding bank holidays Pension Plan Commute travel allowance, covering 100% of public transportation,€0,23ct by car and €0,10ct by bike Annual Discretionary Bonus €25, - monthly health insurance contribution €15, - monthly wellbeing contribution Quarterly company eventsQuarterly team lunches Discretionary Annual Salary Reviews Fresh fruit at the office Weekly Friday Social Hour Gaming Laboratories International (GLI) is a gaming company. Any of our employees may be required to obtain a gaming license within one or all of the gaming jurisdictions. If you are requested by GLI to obtain a gaming license, your continued employment may be contingent on your ability to obtain that gaming license.This job description should not be interpreted as all‑inclusive; it is intended to identify major responsibilities and requirements of the job. The incumbent may be requested to perform other job‑related tasks and responsibilities than those stated above. GLI is an Equal Opportunity Employer All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status

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