1. Ot Network Specialist Jobs in Richmond Hill, Ontario, Canada
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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
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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