Overview
About the Role: Senior Network System Engineer
Sysmatch is an IT Consultancy and Outsourcing Company with a wide range of technological skills. We focus on robust and scalable solutions for our clients, with more than two decades in the IT market.
Key Responsibilities
* Manage, maintain, and optimize Windows Server environments (AD, DNS, DHCP, GPO, File/Print, etc.).
* Support and administer Linux systems (less priority).
* Oversee and tune databases (SQL Server, MySQL, Oracle, PostgreSQL).
* Administer and secure on-prem Active Directory and its synchronization with Microsoft Entra ID.
* Provide operational support for Microsoft 365 services as required.
* Automate operational processes using PowerShell and Python.
* Contribute to Infrastructure-as-Code (IaC) practices, ideally with Pulumi or Ansible.
* Maintain and secure the network infrastructure, including:
* Firewalls: WatchGuard, OPNSense, Azure Firewall (hub-and-spoke architecture).
* Switching: Ruckus and HP Aruba.
* Wireless: Ubiquiti and Ruckus.
* NAC: Ruckus
* Support and maintain VMware vCenter and its ecosystem in a dedicated project (nice to have).
* Collaborate with Cloud Engineers on hybrid integrations with Azure and AWS.
* Ensure system and network reliability, security, and scalability.
* Participate in on-call rotation and incident escalations.
Skills & Experience
* 5+ years in a Systems/Network Engineering role in enterprise environments.
* Strong expertise in Windows Server technologies (on-prem + hybrid).
* Experience with SQL databases (SQL Server, MySQL, Oracle, PostgreSQL).
* Hands-on experience with enterprise networking (routing, switching, firewalls, wireless).
* Familiarity with WatchGuard, OPNSense, Azure Firewall, Ruckus, Aruba, and Ubiquiti solutions.
* Experience with VMware vCenter and related virtualization components.
* Proficiency in PowerShell and Python scripting for automation.
* Familiarity with IaC (Pulumi experience is a plus).
* Knowledge of Azure and AWS (secondary to core infra).
* Strong troubleshooting and problem-solving skills.
* Excellent communication and collaboration skills.
What we offer
* A dynamic project in a well-regarded client at an international level;
* Salary classification according to the experience shown;
* Career development with involvement in ambitious and innovative technological projects;
* Good working environment with young and dynamic teams;
* Personalized follow-up to each consultant;
* Integration into Sysmatch staff with access to all company activities;
* Participation in trainings and Team Building events;
* A network of partnerships offering exclusive discounts (health, wellness, travel, gastronomy, culture, leisure, training, etc).
Recruitment, selection and integration process
The first contacts will be made by phone call or video call. We are prepared to ensure the monitoring and integration of new employees and support them in this new phase of their professional career.
Seniority level
* Mid-Senior level
Employment type
* Full-time
Job function
* Information Technology
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