Senior Network Administrator, Sonae Arauco

Senior Network Administrator

Sonae Arauco

Location:

Portugal, Maia

Category:

IT - Administration

Contract Type:

Employment contract

Salary:

Not provided

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Job Description:

Lead and manage network solutions design, security implementation, project management, and team training, with expertise in CISCO, Meraki, and FortiGate technologies.

Job Responsibility:

Network Infrastructure Management: Design, implement and maintain network solutions, with specific experience in CISCO switching and routing, Meraki cloud, PRTG monitoring, and Zscaler for OT environments, VLANs segmentation and WAN routing protocols (OSPF, BGP, static,…)
Network Infrastructure Security: Design, implement and maintain security solution with specific experience in CISCO L3 switch (ACLs) and FortiGate firewalls
Project Management: Lead and execute network-related projects, ensuring all deliverables are met within scope, budget, and schedule
Define technological requirements, validate solutions, and manage project documentation
Support Activities: Provide technical support and ensure business continuity
Prioritize tasks, comply with SLAs, and follow established support processes
Propose and implement improvement initiatives to increase service efficiency and user productivity
Team Training: Train less senior team members on relevant technical competencies and customer service skills
Reporting: Regularly report to Technology Architect and Technology Manager on network performance and any relevant incidents

Requirements:

Master's degree in Computer Science, Information Systems, or a related field
Strong analytical reasoning and interpersonal skills
Knowledge of agile methods and processes
Excellent technical, diagnostic, and troubleshooting skills
Project management methodologies (Waterfall, Agile, SCRUM)
Excellent written and verbal communication skills
Strong planning and organizational skills
At least 5 or more years of experience in full cycle project implementation and/or network infrastructure support
Experience with CISCO switching and routing, Meraki cloud, PRTG monitoring, and Zscaler for OT environments
Experience with FortiGate firewalls and Cisco L3 switch and ACLs
Experience in managing IT solutions design and implementation within an industrial environment
English proficiency (mandatory, written and spoken)
Good knowledge about Microsoft systems and services in their extent to network such as Active Directory, DNS, DHCP, and more
Experience with hypervisors and operating systems is of value
Experience in PKI management, firewall management in IT and OT environments

Nice to have:

Experience with hypervisors and operating systems
Experience in PKI management

Additional Information:

Job Posted:

March 28, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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