Senior Network Systems Engineer

Responsibilities

• Design, implement, and maintain secure and resilient enterprise network infrastructure
• Support campus, WAN, wireless, VPN, and data center networks
• Develop network segmentation, VLAN architectures, routing, switching, firewall policies, and secure remote access
• Evaluate and implement new networking technologies and architectural improvements
• Ensure high availability, redundancy, and disaster recovery for network infrastructure
• Configure, maintain, and troubleshoot network devices including switches, routers, firewalls, and wireless systems
• Manage enterprise firewall platforms, VPN connectivity, network access controls, and NAC
• Monitor network performance and security using enterprise monitoring tools
• Investigate and resolve complex network issues
• Implement security best practices including Zero Trust principles and IDS/IPS
• Support vulnerability remediation and infrastructure hardening
• Manage networking for VMware-based data centers and hybrid cloud environments
• Design and maintain connectivity between on-premises and cloud platforms (Azure and AWS)
• Support DNS, DHCP, IP address management, and other network services
• Affiliate backup, disaster recovery, and business continuity planning for network infrastructure
• Collaborate with Systems Engineering, Cybersecurity, Cloud Infrastructure, Manufacturing Engineering, and vendors
• Participate in infrastructure planning, technology evaluations, and cross-functional projects
• Develop and maintain network documentation, standards, and operational procedures
• Mentor junior IT staff and promote networking best practices

Requirements

• Bachelor’s degree in Computer Science, IT, Engineering, or equivalent experience
• 8+ years of experience in enterprise network infrastructure design, implementation, and support
• Proficient with enterprise routing and switching technologies
• Hands-on experience with Fortinet and Cisco networking platforms including FortiGate firewalls and Cisco switches, routers, and wireless infrastructure
• Skilled in designing secure networks using VLANs, routing protocols, VPNs, firewall policies, and segmentation
• Familiarity with VMware networking and virtual infrastructure
• Experience with network monitoring, troubleshooting, and performance analysis tools
• Strong knowledge of enterprise cybersecurity principles and Zero Trust networking
• Excellent documentation, communication, and project management skills
• Preferred experience supporting manufacturing, Operational Technology, or industrial environments
• Preferred familiarity with industrial networking technologies (Ethernet/IP, PROFINET, Modbus TCP, OPC UA, DNP3)
• Preferred understanding of OT cybersecurity standards (IEC 62443, NIST SP 800-82)
• Preferred experience with SCADA systems, industrial automation, or control networks
• Preferred experience with Fortinet Secure SD-WAN, FortiAnalyzer, or FortiAuthenticator
• Relevant certifications such as CCNP Enterprise, CCIE, Fortinet NSE/FCP/FCSS, CISSP, or GICSP preferred