Senior Network Security Engineer

Job: Senior Network Security Engineer

Location: Remote

Duration: 12 Months

Job Responsibilities:

• Design, deploy, and maintain robust industrial networks at client sites, focusing on reliable Wi-Fi coverage, device placement, and mitigating sources of interference (vibration, ultrasonic noise)
• Provide hands-on troubleshooting for complex, intermittent connectivity issues caused by physical factors in manufacturing environments
• Act as critical escalation point for on-site network and hardware failures
• Lead deployment, configuration, and management of WireGuard VPN solutions to secure communication channels
• Establish and manage security policies across networking devices and endpoints, including industrial routers (Microtech router OS)
• Implement zero-trust concepts and configure network access lists and firewall rules
• Integrate corporate identity and access management solutions using Microsoft Entra ID
• Manage endpoint control via Windows Intune (MDM) to ensure security governance for internal and remote resources.
• Utilize Ansible to manage hardware inventory, network policies, and OS/firmware updates across remote client networks
• Develop and maintain comprehensive runbooks and simplified procedures for network deployment and troubleshooting to enable non-technical consultants
• Implement monitoring solutions for network performance with APIs for centralized telemetry visibility

Required Qualifications:

• Network Engineering: Extensive experience designing, deploying, and troubleshooting enterprise or industrial-grade wireless and wired networks, including physical deployment and performance diagnostics
• Security & VPN: Expert proficiency implementing modern network security solutions, including VPNs with specific expertise in WireGuard, access lists, and firewall rules
• Cloud Identity/Endpoints: Practical experience with Microsoft Entra ID and endpoint management using MDM or similar tooling
• Configuration Management: Strong experience with infrastructure automation tools, preferably Ansible, for managing remote Linux servers and devices
• Troubleshooting: Demonstrated ability to diagnose complex connectivity issues caused by physical factors in manufacturing environments (interference, vibration, suboptimal placement)

Nice to Have:

• Experience conducting security audits and assessments of technical architecture, with ability to provide recommendations for improving overall security posture
• Prior experience providing on-call or rapid response support for network or hardware failures
• Familiarity with embedded devices or SBCs used for IoT sensor integration (Raspberry Pi, ESP32)
• Direct experience with industrial protocols such as MQTT or OPC/Modbus
• Exposure to manufacturing security or compliance standards (CMMC, ISO 27001, SOC2)
• Experience in consulting or high-growth environments requiring rigorous documentation standards