Adentis Portugal

Networking & security engineer

In short

This role involves configuring and managing network and security infrastructure (routing, switching, VLANs, VPNs, firewalls, monitoring via Zabbix) for enterprise clients at an IT consulting company with 350+ employees and over 10 years in the market. It requires at least 3 years of experience in network and security support, operations or administration, including enterprise networking environments, troubleshooting and incident resolution. The job is based in Lisbon, onsite, full-time.

About
With more than 10 years of experience in the national market, we have more than 350 employees who share our DNA and offer three main services in technology and IT consulting: Strategy (Outsourcing, Team as a Service, Tech Academies); R&D (Internships, POC, Technology Laboratory); Nearshore. At ADENTIS, we put people at the center of our strategy. We are looking for a Network and Security Technical Manager to join a specialist team managing enterprise infrastructures and ensuring the operation, monitoring and evolution of network and security services for multiple clients.
Responsibilities
•Configure and administer monitoring platforms, particularly Zabbix
•Manage network infrastructures and security services for enterprise clients
•Diagnose and resolve connectivity, performance and security incidents
•Configure, implement and optimize networking and security equipment
•Ensure the availability, stability and quality of the services provided
•Coordinate technical interventions with internal teams and technology partners
•Participate in continuous improvement and technology evolution projects
•Prepare and maintain technical documentation and operating procedures
•Provide specialized technical support and technical consulting to enterprise clients
•Propose improvements and changes to network and security architecture
Requirements
•At least 3 years of experience in network and security support, operations or administration
•Experience in enterprise networking environments
•Solid knowledge of Routing, Switching, VLANs, VPNs, TCP/IP, DNS and DHCP
•Experience in network monitoring and troubleshooting
•Knowledge of firewalls and network security
•Experience configuring and managing network equipment
•Ability to diagnose and resolve problems in critical environments
•Good technical and functional communication skills
•Strong customer and service quality orientation
Nice to have
Zabbix; Routing & Switching; TCP/IP; VLAN; VPN; DNS; DHCP; Firewalls; Network Security; Network Monitoring; Cisco; Fortinet; Palo Alto; pfSense; Wireshark
Conditions & Benefits
•Work-life balance
•Flexibility in the organizational routine
•Health benefits for employees and their families
•Team-building events
•Agreements with more than 300 partners
•Ongoing training through a professional training and certification center
•Ongoing support and feedback through a personalized plan
•Career progression through objective and direct evaluations
•Joining networking and cybersecurity projects for leading clients
•Exposure to critical enterprise infrastructures and diverse technology environments
•Participation in technology modernization and evolution projects
•Ongoing training and encouragement to obtain certifications
•A structured career plan and close support
•A collaborative environment focused on knowledge sharing
•Hybrid work and work-life balance
•An excellent working environment and joining a highly specialized team

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