1. OT Network Specialist
Top Benefits
About the role
About the Role
We are seeking a motivated and detail-oriented OT Network Specialist to support and maintain Operational Technology (OT) network environments across industrial and critical infrastructure systems. The ideal candidate will have hands-on experience with industrial networking technologies, network troubleshooting, cybersecurity best practices, and OT environments such as manufacturing, utilities, energy, or industrial automation. This role offers an opportunity to work with cross-functional teams to ensure the reliability, security, and performance of industrial network infrastructure while supporting digital transformation initiatives.
Key Responsibilities
🔧 Support and maintain OT network infrastructure. 📡 Troubleshoot network connectivity and performance issues. 🌐 Configure and manage switches, routers, firewalls, and VPNs. 🏭 Support ICS/SCADA network environments. 🛡️ Assist with OT cybersecurity and network segmentation initiatives. 📋 Maintain network documentation and asset inventories. 🤝 Collaborate with engineering and operations teams to resolve network-related issues.
Required Qualifications
🎓 Bachelor's degree or Diploma in Industrial Automation, Network Engineering, Electrical Engineering, or a related field. 💼 2–3 years of experience supporting OT, industrial, or enterprise network environments. ⚙️ Hands-on experience with network technologies including TCP/IP, VLANs, routing, switching, VPNs, and firewalls. 📈 Understanding of industrial protocols such as Modbus TCP, EtherNet/IP, DNP3, Profinet, OPC UA, or similar. 🔍 Experience with Cisco, Fortinet, Palo Alto, or similar networking technologies. 🧠 Knowledge of network monitoring and troubleshooting tools. 🏭 Familiarity with industrial control systems, SCADA environments, and OT architectures. 🌐 Strong analytical, troubleshooting, and problem-solving skills. 🗣️ Excellent English verbal and written communication skills.
Preferred Qualifications
🏭 Experience working in manufacturing, utilities, energy, oil & gas, mining, or critical infrastructure environments. 🔐 Knowledge of OT cybersecurity frameworks and standards such as IEC 62443, NIST CSF, or NERC CIP. 📜 Industry certifications such as CCNA, Network+, Fortinet NSE, Cisco CyberOps, or equivalent. 🛡️ Experience with network access control (NAC), SIEM solutions, or industrial cybersecurity tools. ☁️ Familiarity with cloud connectivity and remote access solutions for industrial environments.
Technical Skills
✅ Industrial Networking ✅ TCP/IP, Routing & Switching ✅ Cisco & Fortinet Technologies ✅ Industrial Protocols (Modbus, OPC UA, EtherNet/IP, Profinet) ✅ Firewalls & VPN Technologies ✅ Network Monitoring & Diagnostics ✅ OT Cybersecurity Fundamentals ✅ SCADA & Industrial Control Systems ✅ Network Documentation & Asset Management
What We Offer
💰 Competitive salary and benefits package 🏠 Fully remote work opportunity within Canada 📚 Professional development and certification support 🔬 Exposure to cutting-edge OT and cybersecurity technologies 🤝 Collaborative and innovative work environment 📈 Career growth opportunities within a rapidly growing technology team
Not the right fit? Search for 1. OT Network Specialist jobs in Richmond Hill, Ontario, Canada
About Arista Cyber
Our Mission To safeguard critical infrastructure (CIs) assets by embedding cyber resilience at the core of industrial operations. We do this by combining human-centric strategy, world-class technical expertise, and a relentless commitment to simplicity and safety. Our Services:
- Assessment & Analysis
- Complete Asset Inventory & Visibility
- OT Vulnerability and Risk Assessments
- Maturity & Compliance Gap Reviews
- ICS Network Architecture Reviews
- Cyber PHA / HAZOP Support
- Secure Design & Deployment
- Defense-in-Depth Architecture
- Remote Access with Zero Trust
- System Hardening & Commissioning
- Secure Deployment & Commissioning
- Operate & Improve
- Real-time Threat Monitoring & Detection
- Incident Response
- Patch, Backup & Recovery
- Policy, Audit & OT Penetration Testing
- Training & Transformation
- Certified OT Cyber Awareness (TÜV Rheinland / ISA/IEC 62443)
- Hands-on ICS Security Labs
- Cross-functional OT/IT training
- Role-based modules for operators, engineers, and executives
Similar Jobs
1. OT Network Specialist
Top Benefits
About the role
About the Role
We are seeking a motivated and detail-oriented OT Network Specialist to support and maintain Operational Technology (OT) network environments across industrial and critical infrastructure systems. The ideal candidate will have hands-on experience with industrial networking technologies, network troubleshooting, cybersecurity best practices, and OT environments such as manufacturing, utilities, energy, or industrial automation. This role offers an opportunity to work with cross-functional teams to ensure the reliability, security, and performance of industrial network infrastructure while supporting digital transformation initiatives.
Key Responsibilities
🔧 Support and maintain OT network infrastructure. 📡 Troubleshoot network connectivity and performance issues. 🌐 Configure and manage switches, routers, firewalls, and VPNs. 🏭 Support ICS/SCADA network environments. 🛡️ Assist with OT cybersecurity and network segmentation initiatives. 📋 Maintain network documentation and asset inventories. 🤝 Collaborate with engineering and operations teams to resolve network-related issues.
Required Qualifications
🎓 Bachelor's degree or Diploma in Industrial Automation, Network Engineering, Electrical Engineering, or a related field. 💼 2–3 years of experience supporting OT, industrial, or enterprise network environments. ⚙️ Hands-on experience with network technologies including TCP/IP, VLANs, routing, switching, VPNs, and firewalls. 📈 Understanding of industrial protocols such as Modbus TCP, EtherNet/IP, DNP3, Profinet, OPC UA, or similar. 🔍 Experience with Cisco, Fortinet, Palo Alto, or similar networking technologies. 🧠 Knowledge of network monitoring and troubleshooting tools. 🏭 Familiarity with industrial control systems, SCADA environments, and OT architectures. 🌐 Strong analytical, troubleshooting, and problem-solving skills. 🗣️ Excellent English verbal and written communication skills.
Preferred Qualifications
🏭 Experience working in manufacturing, utilities, energy, oil & gas, mining, or critical infrastructure environments. 🔐 Knowledge of OT cybersecurity frameworks and standards such as IEC 62443, NIST CSF, or NERC CIP. 📜 Industry certifications such as CCNA, Network+, Fortinet NSE, Cisco CyberOps, or equivalent. 🛡️ Experience with network access control (NAC), SIEM solutions, or industrial cybersecurity tools. ☁️ Familiarity with cloud connectivity and remote access solutions for industrial environments.
Technical Skills
✅ Industrial Networking ✅ TCP/IP, Routing & Switching ✅ Cisco & Fortinet Technologies ✅ Industrial Protocols (Modbus, OPC UA, EtherNet/IP, Profinet) ✅ Firewalls & VPN Technologies ✅ Network Monitoring & Diagnostics ✅ OT Cybersecurity Fundamentals ✅ SCADA & Industrial Control Systems ✅ Network Documentation & Asset Management
What We Offer
💰 Competitive salary and benefits package 🏠 Fully remote work opportunity within Canada 📚 Professional development and certification support 🔬 Exposure to cutting-edge OT and cybersecurity technologies 🤝 Collaborative and innovative work environment 📈 Career growth opportunities within a rapidly growing technology team
Not the right fit? Search for 1. OT Network Specialist jobs in Richmond Hill, Ontario, Canada
About Arista Cyber
Our Mission To safeguard critical infrastructure (CIs) assets by embedding cyber resilience at the core of industrial operations. We do this by combining human-centric strategy, world-class technical expertise, and a relentless commitment to simplicity and safety. Our Services:
- Assessment & Analysis
- Complete Asset Inventory & Visibility
- OT Vulnerability and Risk Assessments
- Maturity & Compliance Gap Reviews
- ICS Network Architecture Reviews
- Cyber PHA / HAZOP Support
- Secure Design & Deployment
- Defense-in-Depth Architecture
- Remote Access with Zero Trust
- System Hardening & Commissioning
- Secure Deployment & Commissioning
- Operate & Improve
- Real-time Threat Monitoring & Detection
- Incident Response
- Patch, Backup & Recovery
- Policy, Audit & OT Penetration Testing
- Training & Transformation
- Certified OT Cyber Awareness (TÜV Rheinland / ISA/IEC 62443)
- Hands-on ICS Security Labs
- Cross-functional OT/IT training
- Role-based modules for operators, engineers, and executives