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DATAGROUP

IT Network System Engineer – LAN/WLAN

DATAGROUP

. Operate and configure LAN and WLAN environments, focusing on customer locations .

Posted 11/11/2026full-timeRemote • LithuaniaMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in operating and configuring LAN and WLAN environments, ensuring continuous network availability and performing troubleshooting and root cause analysis. Proficient in network documentation and reporting, with strong communication skills in English and German.

Highest-signal resume keywords
LAN/WLAN ConfigurationTCP/IP KnowledgeCisco Catalyst SeriesNetwork TroubleshootingCisco Certifications

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Network OperationError AnalysisRoot Cause AnalysisOSI Layer 1-7 KnowledgeWLAN Infrastructure MeasurementAnsiblePythonAPIsNetwork Management ToolsZabbix
Soft Skills
Independent WorkCommunication Skills
Tools & Technologies
Cisco MerakiCisco Catalyst/DNA CenterRuckus LAN/WLAN ComponentsNetboxOpenNMS
Certifications & Qualifications
CCNACCNP
Industry Keywords
Network SupportProfessional ExperienceCustomer Projects2nd Level SupportDocumentation

Tech Stack

Tools & technologies
AnsiblePythonTCP/IP

About the role

Key responsibilities & impact
  • Operate and configure LAN and WLAN environments, focusing on customer locations
  • Work independently on customer projects in LAN/WLAN
  • Ensure continuous and highly available network operation
  • Troubleshoot and eliminate faults in network environments
  • Perform error analysis and root cause analysis in the network context
  • Serve as the 2nd level support contact for network-related questions
  • Create reports and documentation of network environments

Requirements

What you’ll need
  • Completed apprenticeship (IT specialist) or a bachelor's degree in computer science
  • Several years of professional experience in the professional support of networks
  • Experience with TCP/IP
  • Knowledge of OSI Layer 1-7
  • Good knowledge of Cisco Catalyst Series, including 9000er Switch Series and Catalyst WLAN Controller
  • Experience in measuring and simulating WLAN infrastructures desirable
  • Knowledge of Cisco Meraki, Cisco Catalyst/DNA Center and Ruckus LAN/WLAN components beneficial
  • Knowledge of Ansible, Python and APIs on network components
  • Basic knowledge of network management tools such as Zabbix, Netbox and openNMS
  • Business fluent English, written and spoken
  • German language skills desirable
  • Relevant Cisco certifications such as CCNA or CCNP desirable

Benefits

Comp & perks
  • Individual training opportunities
  • Diverse development opportunities
  • Personal mentor
  • Flat hierarchies
  • Strong feedback culture
  • Regular performance reviews
  • Flexible working hours
  • Option to work remotely
  • Height-adjustable desks
  • At least 2 monitors per workstation
  • Space to meet and retreat in state-of-the-art offices
  • Company-sponsored participation in sporting events
  • Necessary sports equipment through the company's own DATAGROUP store
  • Special leave days
  • Company health insurance