Sii Poland
Website:
sii.pl
Job details:
As a Senior Network Administrator, you will play a critical role in designing, implementing, and optimizing enterprise-wide network monitoring and infrastructure solutions for a global organization. You will work closely with internal stakeholders and external partners to ensure high availability, performance, and security of complex network environments.
This role requires deep hands-on expertise in network monitoring tools, L2/L3 networking, security technologies, and the ability to drive standardization, optimization, and automation across distributed network setups.
Your tasks
- Analyzing organizational network and system requirements, and implementing monitoring improvements
- Researching and assessing network environments to enhance monitoring accuracy and reduce false positives
- Installing, configuring, and maintaining enterprise network monitoring solutions in-house
- Providing consultation and operational support for network monitoring services to stakeholders
- Reviewing and optimizing existing monitoring setups with a focus on efficiency, automation, and standardization
- Collaborating with internal teams to design and deliver effective network monitoring solutions
- Engaging with vendors and external partners on new monitoring requirements and service improvements
- Driving continuous improvement initiatives for monitoring performance and reliability
Requirements
- At least 10 years of experience supporting enterprise network infrastructure
- IT degree preferred
- Certifications: CCNA / CCNP / CCIE (required or strongly preferred)
- Strong expertise in network monitoring tools such as SolarWinds, PRTG, Checkmk, and Nagios
- Hands-on experience with the ThousandEyes diagnostic tool
- Deep understanding of L2/L3 networking, Firewall, VPN, Wi-Fi, Routing Protocols, TCP/UDP
- Solid knowledge of network security components (firewalls, access control, VPNs)
- Experience with LAN, WLAN, SD-WAN (Cisco Viptela), Firewalls, VPN technologies
- Knowledge of Enterprise Wi-Fi solutions and Cisco ISE for authentication
Job no. 260225-F7G4K
Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.
Benefits For You
Diverse portfolio of clients
Wide portfolio of technologies
Employment stability
Remote work opportunities
Contracts with the biggest brands
Great Place to Work Europe
Many experts you can learn from
Open and accessible management team
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