Required skills
- System Administration
- Process Automation
- IT/OT Infrastructure
- VMware
- SAN Storage
- Microsoft Windows Server
- Linux
- Terminal Servers
- High Availability
- Security
- Hardening
- Microsoft Active Directory
- PowerShell
- Industrial Environments
Languages: Dutch
Job description
Waternet is seeking an experienced Senior System Administrator for their Process Automation department to manage and optimize IT/OT infrastructure for critical technical installations. This role involves ensuring system availability, continuity, and performance within a complex environment.
Project overview
ZZP ALLOWED - RECRUITMENT NOT ALLOWED
For Waternet, we are looking for an experienced Senior System Administrator within the Process Automation (PA) department. The team is responsible for managing the hardware and software and the LAN/WAN networks of Waternet's technical installations. Due to the further unbundling of Waternet, temporary reinforcement is needed.
You will work in a team of seven system administrators on managing, developing, building, and maintaining business-critical process automation systems. The technical environment includes VMware, SAN Storage, Microsoft and Linux platforms, terminal servers, application servers, and high-availability environments.
Activities
Proactively manage and optimize the IT/OT infrastructure.
Ensure availability, continuity, capacity, performance, and scalability.
Manage and implement VMware, SAN Storage, Windows, and Linux environments.
Monitor systems and advise on technical improvements.
Apply security by design, perform vulnerability checks, and advise on hardening.
Translate functional issues into technical solutions.
Collaborate with network, database, SCADA, application, and security specialists.
Participate in technical projects and implementations.
Document activities and technical designs.
Hard Requirements
Demonstrable HBO (higher professional education) work and thinking level.
More than 8 years of experience with platforms, systems, and networks.
Good command of the Dutch language, both spoken and written.
More than 3 years of experience with security and hardening.
Possession of a B driver's license.
More than 5 years of experience with Microsoft Active Directory.
More than 5 years of experience writing PowerShell code.
More than 3 years of experience with process automation within industrial environments.
Wishes / Preferences
ITIL certification and knowledge of Topdesk.
Experience with HP systems, local storage, and SAN Storage.
Experience with management and implementation of Windows, Linux distributions, terminal servers, application servers, and Veeam within complex environments.
MCSE and VMware certification.
Experience with Linux Bash scripting.
Experience with executing and/or managing projects.
Experience within a (semi-)governmental organization.
Profile Sought
You are an independent, analytical, and results-oriented senior system administrator with extensive experience in complex, business-critical IT/OT environments. You work accurately, are stress-resistant, and have strong communication skills. You can collaborate well with various technical disciplines and understand the importance of security, availability, and sound technical documentation.
Interviews will take place on November 24th.
Project details
- Start: 2026-11-30T23:00:00
- Location: Amsterdam Noord-Holland, NL
- Languages: Dutch
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