Senior IT Network Security Engineer

Marquardt

Senior IT Network Security Engineer
Qualifications
• Design, deploy, and maintain scalable WAN solutions to ensure reliable business connectivity across multiple sites.
• Administer and optimize WAN technologies such as MPLS, SD-WAN, and VPNs to enhance network performance and security.
• Configure, troubleshoot, and optimize complex routing and switching protocols (BGP, OSPF, EIGRP) for efficient data flow.
• Coordinate with ISPs and service providers to manage WAN circuit provisioning, maintenance, and incident resolution.
• Ensure robust network security, including encryption, firewalls, and access control measures across WAN infrastructure.
• Lead WAN-related projects (migrations, upgrades, integrations), and provide advanced support for escalated incidents and disruptions.
Responsibilities
• Bachelor s degree in Computer Science, Information Technology, or a related field, with 4+ years of experience in enterprise WAN administration.
• Strong expertise in WAN technologies such as MPLS, VPN, and SD-WAN, along with deep knowledge of network protocols (TCP/IP, BGP, OSPF, QoS).
• Hands-on experience with network hardware (routers, firewalls, WAN optimizers) and enterprise-grade networking equipment (e.g., Cisco infrastructure).
• Proficiency with network monitoring tools and solid troubleshooting and analytical skills to ensure optimal network performance.
• Relevant certifications such as CCNP/CCIE (Routing & Switching or Enterprise), or equivalent, are highly preferred.
• Knowledge of network automation tools (Python, Ansible) and experience with network segmentation and zero-trust architecture principles.
• Strong understanding of IT/Cybersecurity threats and vulnerabilities, including malware detection, intrusion prevention, and familiarity with ITIL processes.