IT Network Administrator

Posted 3 Days Ago
Be an Early Applicant
Porto, PRT
In-Office
Mid level
Information Technology
The Role
Operate, monitor, troubleshoot, and maintain a global Cisco-based enterprise network and Palo Alto firewall environment. Perform incident handling, maintenance, upgrades, automation (Ansible/Python), documentation, and collaborate with Infrastructure, Security, Workplace, Service Desk, local IT teams, and partners to ensure stable, secure network services.
Summary Generated by Built In

Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner, with engineering and innovation in our DNA. We're trusted to help clients envision and build their businesses for the future – to run smarter today while adapting for tomorrow’s markets, customers, and communities. Our multidisciplinary teams specialise in tech strategy and business innovation, digital solutions and applications, and device and systems engineering. We excel in complex, regulated spaces including health and finance, connecting strategy, tech implementation, and operational services to help clients become more effective, resilient businesses.

 

If you share our values and want to do the best work, for the right reasons, we can offer you the chance to do it on a global scale and play a real role in shaping our exciting journey.

The role

We are looking for an IT Network Administrator to strengthen the operations of our international enterprise network.

In this role, you support the day-to-day operation, monitoring, troubleshooting, and continuous improvement of our global Cisco-based network and Palo Alto security environment. You work with modern network technologies across LAN, WAN, WLAN, data centre networking, firewalling, remote access VPN, and network automation.

You are part of a hands-on Network team and help ensure that our network services remain stable, secure, well-documented, and ready to support the needs of an international business.
 

How you’ll make an impact

  • You operate and maintain our international Cisco-based enterprise network across LAN, WAN, WLAN, Cisco ACI, and related network services.
  • You monitor, maintain, and troubleshoot Palo Alto Networks firewalls, including remote access VPN services.
  • You handle network incidents, service requests, operational changes, and root cause analysis with a structured and service-oriented approach.
  • You perform regular network maintenance activities, lifecycle tasks, upgrades, and configuration changes to ensure stable and secure operations.
  • You contribute to network automation, standardisation, and operational efficiency, especially using tools such as Ansible.
  • You participate in operational projects that improve network stability, security, scalability, and automation.
  • You maintain clear and reliable documentation for network systems, processes, configurations, and operational procedures, while collaborating closely with colleagues from Infrastructure, Security, Workplace, Service Desk, local IT teams, and external partners.
     

What’s important to us

  • You have a basic education in computer science, network technology, or a related IT discipline.
  • You bring at least three years of hands-on experience in a similar network operations or network administration role.
  • You have solid knowledge of Cisco networking, especially Layer 2 and Layer 3 technologies.
  • You are familiar with enterprise network environments, ideally including Cisco Catalyst, Cisco Nexus, wireless networks, WAN, and data centre networking.
  • You have relevant network training or certification; Cisco CCNA or CCNP is highly valued, but not a requirement.
  • You have basic firewalling knowledge; experience with Palo Alto Networks firewalls would be beneficial.
  • You have a structured troubleshooting mindset and can analyse technical issues in a calm, precise, and solution-oriented way.
  • You are interested in automation and scripting, for example, with Ansible or Python.
  • You communicate clearly in English within an international team environment.
  • You are motivated, reliable, eager to learn, and willing to take ownership of operational topics.
  • You enjoy working in a team where collaboration, transparency, and hands-on contribution are essential.
  • Fluent in English

 

If you feel you don't meet all the requirements, we are still happy to get to know you, learn more about your ambitions and ideas and look forward to receiving your application!  

We welcome people from all backgrounds, regardless of their gender, personality, national origin, race, religion, colour, sexual orientation, gender identity, age, marital status, disability or veteran status.

Skills Required

  • Basic education in computer science, network technology, or related IT discipline
  • Minimum three years hands-on experience in network operations or network administration
  • Solid knowledge of Cisco networking, especially Layer 2 and Layer 3 technologies
  • Structured troubleshooting mindset and ability to perform root cause analysis
  • Clear communication in English within an international team
  • Familiarity with enterprise network environments (Cisco Catalyst, Cisco Nexus, wireless, WAN, data center networking)
  • Relevant network certifications (Cisco CCNA or CCNP)
  • Basic firewalling knowledge; experience with Palo Alto Networks firewalls
  • Interest or experience in automation and scripting (Ansible, Python)
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The Company
HQ: Schlieren
1,627 Employees
Year Founded: 1968

What We Do

Zühlke is a global transformation partner, with engineering and innovation in our DNA. We're trusted to help clients envision and build their businesses for the future – to run smarter today while adapting for tomorrow’s markets, customers, and communities. Our multidisciplinary teams specialise in tech strategy and business innovation, digital solutions and applications, and device and systems engineering. We excel in complex, regulated spaces including health and finance, connecting strategy, tech implementation, and operational services to help clients become more effective, resilient businesses. Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. Our venture capital arm, Zühlke Ventures, provides start-up financing in HealthTech. Imprint: https://www.zuehlke.com/en/imprint

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