> Markdown version of [/jobs/ext/529911-ot-field-network-engineer-ii](https://www.wearedevelopers.com/jobs/ext/529911-ot-field-network-engineer-ii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # OT Field Network Engineer II - **Company:** GRAYMATTER LIMITED - **Location:** Battle Creek, MI, United States - **Experience:** Expert - **Salary:** $140,000.0 - $175,000.0 - **Contract:** Permanent contract - **Skills:** Computer Engineering, Ethernet, Information Sciences, Interoperability, OSI Models, Modbus, Message Queuing Telemetry Transport (MQTT), Network Segmentation, OPC Unified Architecture, Virtual Local Area Networks, Information Technology, Process Control Systems, Operational Systems - **Published:** June 13, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=6efb33fa9dd5c2d5 ## About the Role Do you have experience in VLAN?, * Bachelor 's degree in a technical discipline (Electrical/Computer Engineering, Information Science, Computer Science) OR a minimum of 10 years of relevant networking experience working in the field. * Must possess a broad knowledge related to IT infrastructures * Expert networking skills including the ability to troubleshoot all layers of OSI model * Experience with network segmentation and VLAN * Familiarity and understanding of standards and frameworks such as ISA 62243, IEC 27001, NIST SP 800, NIST CSF, and/or NERC CIP * Fundamental understanding of operational technologies such as Programmable Logic Controllers (PLCs), Supervisory Control and Data Acquisition (SCADA) software, RTUs, HMI and Distributed Control Systems (DCS) * Fundamental understanding of the Purdue Reference Model for Industrial Control System (ICS) cybersecurity * Fundamental understanding of industrial protocols and interoperability; CIP, DNP3, Ethernet/IP, OPC-UA, MODBUS, MQTT, Modbus * Industrial Control Systems (ICS) / Operational Technology (OT) experience is a plus Our Ideal Candidate: * Enjoys solving problems, researching solutions, and thinking outside the box * Is comfortable talking tech with a CTO or explaining cyber-security 101 to the sales department * Embraces teamwork, collaboration, brainstorming, an working together towards common goals * Can balance competing demands and manage multiple priorities with ease * Advocates for our clients with a solid commitment to customer service and follow-through ## Related Videos - [Optimizing Land-Based Fish Feeding with Node-RED](https://www.wearedevelopers.com/videos/2032-optimizing-land-based-fish-feeding-with-node-red) - [The Gashlycrumb Tinies of AI Networking You Must Know (or Languish!)](https://www.wearedevelopers.com/videos/2067-the-gashlycrumb-tinies-of-ai-networking-you-must-know-or-languish) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [What Makes Open Source Work: Licensing and Beyond](https://www.wearedevelopers.com/videos/1416-what-makes-open-source-work-licensing-and-beyond) - [Enabling intelligent logistics automation: home-grown Industrial IoT platform at Austrian Post](https://www.wearedevelopers.com/videos/2018-enabling-intelligent-logistics-automation-home-grown-industrial-iot-platform-at-austrian-post) - [Going Quantum: The future of the internet ...](https://www.wearedevelopers.com/videos/672-going-quantum-the-future-of-the-internet) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)