Junior and Senior Network Security Engineer Lisboa

Junior and Senior Network Security Engineer
Lisboa
Lisboa, Lisboa, Portugal

Junior and Senior Network Security Engineer

Direct message the job poster from i
Qube IT Consulting

i
Qube is an IT consulting company based in Lisbon, Portugal, specializing in accelerating its clients' digital transformation through intelligent and efficient technological solutions.

The company focuses on three main areas of services: IT Outsourcing, Project Implementation, and AI Consulting. i
Qube operates with a flexible, customer‑centric approach, supporting both Portuguese national operations and international customers through a nearshore model.

About the Role

We are a rapidly growing Managed Service Provider (MSP) seeking a highly skilled and customer‑focused Senior Network & Security Engineer to join our technical delivery team. This role is the cornerstone of our clients' infrastructure, requiring deep, multi‑vendor expertise in enterprise networking, firewall management, and robust VPN solutions.

You will be responsible for the design, deployment, maintenance, and optimization of network infrastructure for a diverse portfolio of clients, ensuring maximum security, reliability, and performance.

Key Responsibilities

• Firewall & Security Management: Design, configure, and manage high‑availability firewalls, primarily focusing on Fortinet (Forti
  Gate), Cisco ASA/FTD, and/or Palo Alto Networks.
• Networking Infrastructure: Administer and troubleshoot complex enterprise switching and routing environments, including VLANs, BGP, OSPF, and Qo
  S, with a strong emphasis on Cisco and/or Meraki solutions.
• VPN & Remote Access: Implement and maintain various VPN solutions (IPSec, SSL‑VPN, Client‑to‑Site) to ensure secure remote connectivity for client workforces.
• Monitoring & Optimization: Utilize network monitoring tools (e. g. , PRTG, Solar
  Winds) to proactively identify performance bottlenecks and security threats, providing root cause analysis and implementing corrective measures.
• Documentation & Standards: Create and maintain comprehensive network documentation, diagrams, and standard operating procedures (SOPs) for all client environments.
• Project Delivery: Lead and execute network implementation and migration projects from discovery and planning through to successful cutover.
• Escalation Support: Act as a final‑tier escalation point for complex network and security incidents, driving rapid resolution.

Required Skills & Qualifications

• Experience: 5+ years of professional experience managing complex, multi‑site network environments, preferably within an MSP or high‑volume consulting environment.
• Firewall Expertise (Mandatory): Deep proficiency in configuring and managing at least two major firewall platforms (Fortinet, Cisco FTD/ASA, Palo Alto). Certifications are highly desirable.
• Networking Proficiency: Expert‑level knowledge of TCP/IP, Layer 2/3 protocols, and strong hands‑on experience with Cisco routing and switching.
• Security Principles: Solid understanding of network segmentation, IDS/IPS technologies, content filtering, and security best practices.
• Troubleshooting: Proven ability to diagnose and resolve complex network performance issues using packet analysis tools (Wireshark).
• Communication: Excellent verbal and written communication skills for client interaction and technical documentation.
• Experience with cloud networking concepts (Azure Networking, AWS VPC).
• Experience administering virtual environments (VMware, Hyper‑V).

Seniority Level

Associate

Employment Type

Full‑time

Job Function

Information Technology

Industries

IT Services and IT Consulting