Company Overview
At Jacobs, we tackle today’s toughest challenges to shape a better tomorrow. With a global team of 45,000 professionals, we deliver end-to-end solutions across industries including advanced manufacturing, energy, environment, life sciences, transportation, water, and urban development. From consulting and planning to design, delivery, and lifecycle management, we’re building a more connected, sustainable world.
At Jacobs, we’re redefining the future by addressing critical global challenges in cities, infrastructure, science, and manufacturing. As a Senior Network Engineer, you’ll play a key role in designing, implementing, and securing high-availability Operational Technology (OT) networks at industrial sites. You’ll work alongside our Industrial Control Systems (ICS) teams to support resilient automation and business operations.
Key Responsibilities
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Lead the design, deployment, and maintenance of secure OT network infrastructure.
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Configure network hardware/software including switches, routers, firewalls, and industrial protocols.
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Ensure network reliability, performance, and cybersecurity compliance (e.g., IEC-62443).
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Develop and maintain detailed network documentation and architecture diagrams.
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Support procurement, installation, and configuration of networking and control systems.
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Troubleshoot performance issues and minimize system downtime.
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Travel to project sites for onsite support and system commissioning.
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Review existing architectures and recommend security and performance improvements.
Qualifications
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5+ years of experience with industrial control systems (PLC/SCADA/DCS).
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5+ years of network engineering experience (TCP/IP, routing, switching).
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Experience with firewalls, wireless tech, virtualization, Active Directory, DNS.
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Knowledge of industrial cybersecurity frameworks (e.g., IEC-62443).
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Relevant certifications (e.g., Cisco CCNA, Fortinet NSE-4, JNCIA).
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Understanding of Purdue Enterprise Reference Architecture.