Senior Network & Security Engineer

Potters Industries is a global business with a focus on manufacturing and innovation, seeking a Senior Network & Security Engineer to manage their enterprise network and security infrastructure. The role involves hands-on technical ownership of the Fortinet security platform and Cisco switching environment, ensuring operational excellence and security across the organization.

Responsibilities:

• Own and operate the Fortinet security platform for network segmentation, threat prevention, and secure remote access, including:
• FortiGate firewalls, FortiManager, FortiAnalyzer, FortiAuthenticator, FortiWeb
• FortiClient endpoint protection managed via FortiClient EMS
• VPN (site-to-site and remote access), IDS/IPS, web filtering, and security policies
• Monitor security events and logs; triage, respond to, and remediate security incidents. Escalate with clear technical summaries and recommended actions
• Continuously tune and harden firewall rules and security controls to reduce attack surface while maintaining business-critical connectivity
• Execute vulnerability scans, track remediation efforts, and coordinate patching with internal teams and external partners
• Assess, segment, and monitor OT/ICS networks across manufacturing sites to reduce risk while preserving operational continuity
• Execute incident response plans, participate in tabletop exercises, and document post-incident lessons learned
• Support compliance, audit, and cyber-insurance requirements by maintaining security controls and producing evidence as needed
• Support evaluating, onboarding, and overseeing managed security operations (SOC) services
• Own the day-to-day operation, performance, and reliability of the globally distributed enterprise network
• Administer and optimize the enterprise Cisco switching environment including VLANs, trunking, spanning tree, and port security
• Execute network upgrades, capacity planning, and lifecycle management
• Troubleshoot and resolve network issues across LAN, WAN, and remote-access environments
• Maintain accurate and up-to-date network documentation, diagrams, and configuration standards
• Serve as the primary technical resource for networking and security within the IT team
• Coordinate with managed service providers to ensure SLAs are met and security standards are maintained
• Evaluate and recommend third-party vendors and security tools
• Communicate technical status, risks, and recommendations clearly

Requirements:

• 5+ years of hands-on experience in network engineering and security operations, with demonstrated ownership of infrastructure and security tooling
• Strong hands-on experience with the Fortinet ecosystem (FortiGate, FortiManager, FortiAnalyzer, FortiClient EMS, VPN, IDS/IPS)
• Hands-on experience managing Cisco switching environments including VLANs, trunking, and general LAN/WAN troubleshooting
• Solid operational experience with security monitoring, vulnerability management, and incident response execution
• Experience supporting networks in manufacturing or OT-adjacent environments is a strong plus
• Ability to communicate technical issues clearly and concisely to IT leadership
• Comfortable working in a small, lean, collaborative IT organization where self-direction, prioritization, and pragmatism are essential
• Fortinet certifications, particularly NSE 4 (FortiOS), NSE 5 (FortiManager/FortiAnalyzer), NSE 6 (FortiClient EMS, OT Security); NSE 7 Enterprise Firewall is a strong differentiator
• Cisco certifications (e.g., CCNP, CCNA)
• Security certifications such as Security+, CySA+, or GSEC
• Experience in Azure/Entra integrated environments
• Experience working in globally distributed or multi-region IT environments