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Senior OT Network Engineer Role Summary The Senior OT Network Engineer is part of the Network team and is responsible for implementing, supporting, and maintaining network infrastructure for manufacturing and Operational Technology (OT) environments. This role focuses on advanced execution, operational support, and technical leadership, ensuring secure, reliable connectivity for production systems. The position works closely with cybersecurity and Active Directory teams to support a segmented, identity-driven architecture (Tier 0 / Tier 1 / Tier 2) aligned with Zero Trust principles. Key Responsibilities Network Operations & Support Implement and support network infrastructure for OT and manufacturing environments Maintain high availability and reliability for production-critical systems Troubleshoot and resolve complex network issues impacting plant operations (connectivity, latency, performance) Partner or coordinate production incident response and restoration activities Act as an escalation point for network-related issues within OT environments Required 7+ years of network engineering or infrastructure support experience Strong hands-on experience with routing, switching, and advanced network troubleshooting in enterprise environments Proven experience implementing and supporting network segmentation and firewall rule configurations across multiple environments or sites Experience troubleshooting and resolving issues in production or business- critical environments Experience supporting OT or manufacturing environments Familiarity with segmented Active Directory environments and Tiered security models Understanding of authentication services (DNS, Kerberos, LDAP, certificates) Preferred Experience working with Aruba and Cisco network hardware Exposure to NAC (e.g., ClearPass, ISE) or identity-based network controls Key Skills Advanced troubleshooting in high-availability, production-critical environments Ability to lead technical resolution efforts without formal design ownership Strong collaboration across Network, AD, Security, and Manufacturing teams Ability to operate effectively in complex, multi-site environments Clear communication during incidents and cross-team coordination
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.