It Systems Engineer

Düsseldorf, NW, DE, Germany

Job Description

Network, Systems & Support Engineer



(Including Service Desk Leadership)



My client is looking for a well-rounded Network, Systems and Support Engineer who can take ownership of their hybrid IT environment. This person will manage Microsoft 365, Windows Server, enterprise networking, and provide senior-level support while guiding junior service desk staff. The ideal candidate is hands-on, proactive, and comfortable working across both cloud and on-premises systems.

Key ResponsibilitiesNetwork Management



Configure and maintain routers, switches, firewalls, VPNs, and wireless networks Monitor and troubleshoot performance issues (latency, packet loss, connectivity) Manage VLANs, routing protocols (OSPF, BGP, EIGRP) and QoS Maintain network security using firewalls and IDS/IPS tools Support network scaling and capacity planning

Systems & Server Administration



Manage Windows Server (2016–2022) and Terminal Server environments Administer Active Directory, Azure AD, O365, DNS, DHCP, and Group Policy Manage virtualization platforms (VMware, Hyper-V, Nutanix) Support backup, disaster recovery and high-availability solutions

Service Desk Leadership



Handle Tier 2/3 escalations for complex O365, server, and network issues Mentor junior support staff and promote strong troubleshooting practices Maintain internal knowledge base and improve self-service resources Review ticket trends to prevent recurring issues

Security & Compliance



Apply patches, firmware upgrades, and vulnerability fixes Support Zero Trust principles, least-privilege access, and segmentation

Automation & Documentation



Automate tasks using PowerShell, Python, Bash or Ansible Optimise system and network performance Maintain clear documentation and network diagrams

Collaboration



Work with internal teams on infrastructure escalations Support data centre moves, cloud projects, and network upgrades Provide technical guidance to junior engineers

Experience & Qualifications



Degree in IT, Computer Science, or related field 3–5 years’ experience in systems and network administration 2+ years managing Microsoft 365 (Teams/SharePoint) 3+ years Windows Server experience in production environments Strong network troubleshooting skills (Wireshark, traceroute, etc.) PowerShell scripting experience

Technical Skills



Routing & switching (VLANs, STP, OSPF, basic BGP) Firewalls (rules, VPNs, threat prevention) Wireless management and RF optimisation Network monitoring (SNMP, NetFlow, packet capture) SD-WAN basics Active Directory & Group Policy Hyper-V / RDS / core server services DNS/DHCP, certificates, print services Security baselines, patching Strong troubleshooting and performance analysis skills

Key Behaviours



Strong customer-focused mindset Able to simplify solutions and act with urgency Comfortable working with diverse teams Takes ownership and drives outcomes Adaptable to fast-changing environments
Job Type: Full-time

Pay: 70.000,00€ - 90.000,00€ per year

Work Location: In person

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Job Detail

  • Job Id
    JD3852948
  • Industry
    Not mentioned
  • Total Positions
    1
  • Job Type:
    Vollzeit
  • Salary:
    Not mentioned
  • Employment Status
    Permanent
  • Job Location
    Düsseldorf, NW, DE, Germany
  • Education
    Not mentioned