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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System Engineer - **Company:** skeyes - **Location:** Steenokkerzeel, Belgium - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Active Directory, Cluster Analysis, Disaster Recovery, Multi-Factor Authentication, VMware ESX Servers, Hypervisor, Identity and Access Management, Internet Small Computer System Interface (ISCSI), Nagios, Public Key Infrastructure, Windows PowerShell, Ansible, VMware VSphere, Load Balancing, System Availability, Hyperconverged Infrastructure, Information Technology, Vcenter, Performance Monitor - **Published:** May 23, 2026 - **Apply:** https://be.indeed.com/viewjob?jk=ceaec9006735a623 ## About the Role Do you have experience in vSphere?, * you have at least five years' experience as a System Engineer in a large-scale IT environment involving critical systems and networks; * to ensure the safety of air traffic, our systems must be reliable and meet very high (quality) standards. We therefore expect you to have in-depth knowledge of the following areas: + identity & access management (PAM, IAM, Directory services); + monitoring under Nagios; + virtualisation (Clustering and Load-balancing, traditional and by « container »); + high availability and Disaster recovery (Back-up/restore); * you have decent knowledge of: + VMware ESX Hypervisor (ESX, vSphere, vCenter); + storage concepts (SAN, NAS, DAS, CIF, NFS, ISCSI); + multi-factor authentication and PKI; + automation (Ansible, Powershell). * you also have experience with monitoring and alerting (systems), particularly Nagios, and are able to integrate these into complex infrastructure environments in order to proactively detect and respond to system issues; * English is no problem at all for you, and you are also fluent in French or Dutch. ## Description You are responsible for managing key areas such as monitoring and Active Directory (AD). You are also responsible for managing the virtual IT infrastructure, hyper-converged solutions and storage systems (SAN, NAS, DAS). To this end, you will work closely with members of your IT Infrastructure team as well as with colleagues from other technical departments such as Voice & Radio communications, navigation, radar surveillance and Air Traffic Management. Subject Matter Expert Active Directory (AD) Active Directory security is a critical issue. As a Subject Matter Expert, you are responsible for the design, security, access management and resilience of the AD, whilst ensuring its ability to recover and its compliance with security requirements. Monitoring (Nagios) You will also be responsible for designing, deploying and optimising the monitoring solution using Nagios, to ensure reliable, effective and proactive monitoring of critical systems. System infrastructure virtualisation skeyes is working hard to transform its physical infrastructure into a more virtualised environment. To this end, we are counting on your experience, expertise and knowledge to ensure the success of this transition. Design, develop and provide support for system solutions You are responsible for developing the architecture of our systems, as well as for the practical implementation, monitoring and support required. * Ensure a high-quality 24/7 service and systems that operate at peak performance To ensure this, you will implement corrective actions and carry out system maintenance, as well as proposing improvements. You will also put in place initiatives to improve monitoring, performance and capacity through monitoring, alerts and forecasting. Finally, you will provide third-line support and analyse the root causes of system issues. * Ensure the security of the system You maintain the system's current security measures and implement new ones. You continuously identify flaws and weaknesses in order to further refine these security measures. * Engineering, Technical & IT * Steenokkerzeel ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Dev & Test in the Cloud? 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