IT Systems Administrator

Axians

. Install, configure, operate, and further develop LAN and WLAN infrastructures at customer sites .

Posted 11/9/2026full-timeBerlin • GermanyMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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

Demonstrates expertise in installing, configuring, and operating LAN and WLAN infrastructures, with strong capabilities in network incident resolution and project implementation. Proficient in collaborating with cross-functional teams and documenting network configurations.

Highest-signal resume keywords

LAN/WLAN Infrastructure DevelopmentSwitching and Routing KnowledgeNetwork Services ExpertiseCisco/Extreme Networks ExperienceCCNA/CCNP Certifications

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

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

Hard Skills

Network Incident ResolutionVLAN ConfigurationSTP ProtocolOSPF/BGP ProtocolIPv4/IPv6 KnowledgeDHCP ConfigurationDNS ManagementRADIUS/802.1X KnowledgeNetwork Topology DocumentationCore/Campus Network Upgrades

Soft Skills

CollaborationProblem-SolvingCommunication

Tools & Technologies

Cisco SwitchesCisco FirewallsFortinet FirewallsExtreme Networks Equipment

Certifications & Qualifications

CCNACCNP

Industry Keywords

Enterprise NetworksNetwork ServicesOn-Site SupportSite Connectivity ImplementationsWLAN Site Surveys

Tech Stack

Tools & technologies

DNSFirewallsSwitching

About the role

Key responsibilities & impact

Install, configure, operate, and further develop LAN and WLAN infrastructures at customer sites
Commission switches, routers, firewalls, and access points on-site and via remote access
Analyze and resolve complex network incidents as part of second-level support
Plan and implement migration, rollout, and modernization projects
Carry out core/campus network upgrades, WLAN site surveys, and site connectivity implementations
Document network topologies and configurations
Collaborate with Sales, Consulting, and Security teams

Requirements

What you’ll need

IT training (e.g., IT Specialist for System Integration), a degree, or equivalent qualification; career changers are explicitly welcome
Several years of experience operating enterprise networks
Strong knowledge of switching and routing (VLAN, STP, OSPF/BGP, IPv4/IPv6)
Knowledge of network services such as DHCP, DNS, and RADIUS/802.1X
Experience with vendors such as Cisco or Extreme Networks
Knowledge of firewalls (e.g., Cisco, Fortinet) is an advantage
Certifications such as CCNA/CCNP or equivalent vendor certifications are a plus
Class B driver's license
Willingness to work on-site at customer locations
Fluent spoken and written German
English language skills are an advantage

Benefits

Comp & perks

Participation in the company's stock program, including subsidies for free shares
Support for occupational pension plans
Modern offices
Access to an external employee assistance platform for all areas of life
Support and advice for relatives requiring care
Childcare services
Support with personal or professional matters
Preventive healthcare initiatives
Sports programs, such as bike leasing
Numerous training and professional development opportunities at the VINCI Academy
Freedom to shape and influence your work
Short decision-making processes
Flat hierarchies
Area of responsibility with a high degree of autonomy
First-name culture and an open-door policy