Ot Jobs

About The Position

Requirements

• Bachelor's degree in Information Technology, Computer Science, Electrical Engineering, or a related field (or equivalent professional experience).
• 5+ years of experience administering enterprise and/or industrial networking environments.
• Strong experience with: Networking technologies, Industrial Ethernet, VPN technologies, Firewall administration, Routing and switching.
• Experience supporting remote field communications and telecommunications infrastructure.
• Working knowledge of Microsoft Azure administration.
• Experience documenting complex network environments and maintaining accurate technical documentation.
• Basic database administration experience (Microsoft SQL Server, PostgreSQL, MySQL, or similar).
• Strong understanding of industrial cybersecurity principles and network segmentation.

Nice To Haves

• Experience supporting SCADA, PLC, DCS, or other Industrial Control Systems (ICS).
• Familiarity with NERC CIP requirements and Critical Infrastructure Protection best practices.
• Experience working in utilities, renewable energy, water/wastewater, oil & gas, manufacturing, or other critical infrastructure industries.
• Experience with VMware or Hyper-V virtualization.
• Familiarity with scripting using PowerShell or Python.
• Experience with network monitoring and management platforms.
• Fortinet Network Security Expert (NSE)
• Cisco Certified Network Associate (CCNA)
• Cisco Certified Network Professional (CCNP)
• Palo Alto Networks Certified Network Security Engineer (PCNSE)
• Microsoft Certified: Azure Administrator Associate
• Global Industrial Cyber Security Professional (GICSP)
• ISA/IEC 62443 Cybersecurity Certification

Responsibilities

• Assist with the specification, deployment, configuration, and ongoing maintenance of network and telecommunications hardware at remote field sites.
• Troubleshoot VPN tunnels, WAN connectivity, and remote communications issues between field locations and corporate infrastructure.
• Coordinate directly with Internet Service Providers (ISPs), telecommunications vendors, and local contractors to resolve communication issues.
• Participate in network planning, onboarding, and commissioning activities for new customer sites and remote facilities.
• Assess, map, and document existing remote OT networks, including legacy and undocumented environments utilizing hardware from multiple vendors.
• Develop and maintain accurate network diagrams and documentation to improve operational visibility and reduce reliance on institutional knowledge.
• Serve as the primary technical liaison between the organization and third-party firewall support providers.
• Manage support tickets, coordinate troubleshooting activities, and ensure timely resolution of network and security issues.
• Assist with firewall configuration reviews, policy changes, firmware updates, and ongoing security improvements.
• Administer and audit user access for technicians, operators, engineers, contractors, and customers.
• Manage role-based access control (RBAC), authentication, and security policies across OT systems.
• Ensure all network and security decisions align with Critical Infrastructure Protection (CIP) principles, NERC CIP requirements, defense-in-depth strategies, and proper network segmentation.
• Support vulnerability remediation efforts while minimizing operational impact to production systems.
• Assist with the administration, maintenance, and optimization of the organization's Microsoft Azure environment.
• Support the migration from traditional infrastructure to a hybrid cloud architecture.
• Collaborate with leadership and technical staff to leverage Azure services that improve operational efficiency, customer services, and internal workflows.
• Participate in implementing secure connectivity between cloud and on-premises OT environments.
• Configure and maintain databases supporting historical operational data, network configuration information, and asset inventories.
• Develop comprehensive documentation for OT infrastructure, remote sites, and communication networks.
• Build and maintain an organized inventory and indexing system for remote facilities and network assets.
• Design, implement, and support a dedicated Research & Development (R&D) network segment for testing new technologies and validating system changes prior to production deployment.
• Establish documentation standards that promote consistency, knowledge sharing, and long-term maintainability.
• Design, configure, and maintain Layer 2 and Layer 3 industrial networks.
• Configure switches, routers, firewalls, VPN concentrators, wireless infrastructure, and industrial networking equipment.
• Support industrial communication protocols including: EtherNet/IP, Modbus TCP/IP, PROFINET, OPC UA, DNP3.
• Implement network segmentation, redundancy, and high-availability architectures appropriate for industrial environments.
• Monitor network health and proactively identify potential reliability or security issues.
• Other duties as assigned.