OT Network Engineer
Akaysha EnergySydney, New South Wales
Full Time
Posted September 23, 2025
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Job Description
The OT Network Engineer is responsible for designing, implementing, and managing secure, high-performance hybrid network solutions for Battery Energy Storage Systems, integrating cloud platforms with on-premises OT environments to ensure reliable, scalable, and resilient connectivity for operational sites.
Key Responsibilities
- Design, implement, and manage hybrid network solutions for Battery Energy Storage Systems (BESS) across cloud and on-premises environments.
- Configure and maintain network security measures, including VLANs, segmentation, firewalls, and VPNs, to ensure secure integration of cloud and operational systems.
- Troubleshoot network issues across all OSI layers, lead incident response, and provide on-call support to maintain operational continuity.
- Develop and maintain comprehensive network documentation, including designs, IP schemas, and change records.
- Collaborate with operations, security teams, and external partners to ensure resilient, scalable, and reliable network connectivity.
- Optimize network architecture and performance using expertise in ICS protocols, cloud connectivity, and security frameworks.
- Implement network protection strategies and maintain high availability to support real-time operations and future infrastructure growth.
Requirements
- Design, implement, and manage robust network solutions for Battery Energy Storage Systems (BESS), supporting high-performance integration of edge systems, firewalls, VPNs, and advanced monitoring tools.
- Serve as the OT subject matter expert overseeing network architecture, management, and security across all operational environments, including BOP, BESS, and multi-cloud platforms AWS and Azure.
- Design, configure, and maintain hybrid networks, including implementing VLANs, network segmentation, and firewall policies to enable secure, efficient integration between cloud and on-premises systems.
- Troubleshoot issues across all OSI layers, lead incident response and root cause analysis, and provide 24/7 on-call support for critical incidents to maintain business continuity.
- Maintain comprehensive network documentation, including high- and low-level designs, IP schemas, diagrams, and change control records, ensuring compliance and best practices.
- Apply technical vision and hands-on skills to optimize network architecture and performance, drawing on deep expertise in ICS protocols, cloud connectivity, and security frameworks.
- Collaborate with operations, security teams, and external partners to ensure resilient, scalable connectivity and reliable communication across mission-critical assets.
- Proactively implement network protection strategies and maintain high availability to support real-time operations and future infrastructure expansion.
- Build and run secure, reliable hybrid networks across Azure, AWS, and OT ICS environments.
- Experience with industrial networking protocols including Modbus, DNP3, TCP/IP, DHCP, VPN, Turbo Chain, REP, RSTP, STP, VRRP, and BGP for secure and efficient operations.
- Design, configure, and troubleshoot routing, switching, and firewall controls on Palo Alto and Cisco platforms.
- Diagnose network issues using tools like Wireshark for fast problem resolution.
- Utilize network monitoring tools such as Zabbix, Nozomi Vantage, and MXView for proactive network health monitoring.
- Apply OT and IT security frameworks like IEC 62443, NIST CSF, and AESCSF to ensure compliance.
Benefits & Perks
Compensation/salary range not specified
Work schedule not specified
Work environment perks not specified
Opportunity to work on sustainable energy projects
Collaborative work with operations, security teams, and external partners
Professional development in hybrid network management, industrial networking protocols, routing, switching, firewalls, troubleshooting, monitoring, and compliance frameworks
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