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Senior Network Security Engineer

Ubique Systems

Amsterdam
Contractor
10+ years experience
On-site

Key Skills

Enterprise Network Infrastructure
LAN
WAN
WLAN
SD-WAN
Routing and Switching
Network Security
Firewalls
VPN
Network Access Control
IDS/IPS
Cloud Networking
Network Troubleshooting
Performance Monitoring
Python
Ansible

Job Description

Job Summary: We are looking for an experienced Senior Network Engineer to design, implement, manage, and secure enterprise network infrastructure across LAN, WAN, WLAN, SD-WAN, data center, and cloud environments. The role focuses on network availability, security, performance optimization, and troubleshooting complex network issues. Key Responsibilities: Design, configure, and maintain enterprise LAN, WAN, WLAN, and SD-WAN infrastructure. Manage routers, switches, firewalls, load balancers, and VPN solutions. Implement routing and switching protocols, including BGP, OSPF, VLANs, and STP. Manage network security, including firewalls, VPNs, NAC, and IDS/IPS. Monitor network performance, troubleshoot incidents, and perform root cause analysis. Support Azure, AWS, hybrid cloud connectivity, and data center networking. Execute network upgrades, migrations, capacity planning, and disaster recovery activities. Maintain network documentation and collaborate with infrastructure, cloud, and cybersecurity teams. Required Competencies: Network Infrastructure Management: Expertise in LAN, WAN, WLAN, SD-WAN, routing, and switching. Network Security: Hands-on experience with firewalls, VPNs, NAC, IDS/IPS, and security policies. Cloud & Data Center Networking: Knowledge of Azure, AWS, hybrid connectivity, and data center architecture. Troubleshooting & Performance Optimization: Strong skills in network diagnostics, root cause analysis, and performance monitoring. Qualifications & Experience: Bachelor's degree in IT, Computer Science, or a related field. 8-10 years of relevant experience in enterprise networking and network security. Strong troubleshooting and analytical skills. CCNP, CCIE, Fortinet, Palo Alto, or cloud networking certifications preferred. Knowledge of network automation tools such as Python and Ansible is an advantage.

Core Responsibilities

Design, configure, secure, and maintain enterprise networks across LAN, WAN, WLAN, SD-WAN, data center, and cloud environments. Monitor and troubleshoot network performance, manage upgrades and recovery activities, and collaborate with infrastructure, cloud, and cybersecurity teams.

Requirements

A bachelor's degree in IT, Computer Science, or a related field and 8–10 years of enterprise networking and network security experience are required. Strong troubleshooting and analytical skills are expected; CCNP, CCIE, Fortinet, Palo Alto, or cloud networking certifications are preferred, and Python or Ansible knowledge is an advantage.

About Ubique Systems

Industry: IT Services and IT Consulting

Company size: 501-1,000 employees

Ubique Systems is a global IT recruitment, technology consulting and workforce solutions company helping organisations build skilled teams, modernise operations and deliver business-critical technology initiatives. Founded in 2000, we support clients across the United Kingdom, Europe, India, Singapore and the Middle East through a combination of local market expertise and global delivery capabilities. Our services include: • IT recruitment and staffing • Technology consulting and software development • Managed workforce and outsourcing solutions • Human resource and vendor management • Enterprise integration and business intelligence • International mobility support We work with organisations across multiple industries, helping them access specialist talent, improve workforce flexibility and deliver technology solutions efficiently. Ubique Systems is ISO 27001 certified, reflecting our commitment to information security, structured processes and responsible service delivery. Whether you are looking for specialist technology professionals, a recruitment partner or support for a technology transformation initiative, our teams are ready to help. Visit our website to explore our services, current opportunities and global presence

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