Must Have Technical/Functional Skills We are seeking a highly skilled Sr OT Network Engineer to support the design, deployment, and ongoing reliability of Operational Technology network infrastructure in a manufacturing environment. This onsite role serves as a key technical resource and liaison between IT and plant engineering to ensure OT network solutions are delivered securely, efficiently, and with zero unplanned downtime. The ideal candidate is a hands-on network professional with strong OT and enterprise networking experience, proven ability to work in manufacturing environments, and a collaborative approach to supporting both technical teams and non-technical stakeholders. support by resolving technical support incidents or service requests in accordance with applicable service level agreements Roles & Responsibilities • Serve as the onsite network engineer for OT-related initiatives. • Lead the deployment and adoption of OT network infrastructure. • Support the design and implementation of secure, resilient network architectures for industrial and manufacturing environments. • Ensure OT cybersecurity requirements are incorporated into network solutions, including segmentation, IDMZ, and access control practices. • Provide escalation support for network incidents and coordinate issue resolution with internal teams and vendors as needed. • Assist with network standards, implementation practices, and documentation for OT environments. • Mentor and train local IT support teams and operational staff on OT network fundamentals and troubleshooting. • Contribute to project planning, cutovers, maintenance activities, and operational readiness. • Collaborate with stakeholders to translate business and production requirements into effective network solutions Candidates should have experience with a broad mix of enterprise and OT networking technologies, including: • Enterprise LAN/WAN networks • OT / industrial network environments • Network segmentation and secure network design • IDMZ architecture • Firewalls and secure connectivity • VLANs, routing, switching, and redundancy • Network monitoring and troubleshooting • Wireless networking in industrial or manufacturing settings • High availability network design • Support for plant-floor, automation, and edge-connected systems • Industrial network connectivity and protocols Required Qualifications • 10+ years of progressive network engineering experience. • Experience supporting OT, industrial, or manufacturing network environments. • Strong knowledge of enterprise networking and secure network design. • Demonstrated ability to collaborate across IT and plant teams. • Experience troubleshooting complex network issues in high-availability environments. • Strong communication and interpersonal skills, with the ability to work effectively with technical and non-technical stakeholders. • Experience supporting deployments, maintenance windows, cutovers, and operational support activities. • Ability to train and mentor support personnel and operational teams. • Strong ownership mindset and ability to drive tasks through completion. Preferred Qualifications • Experience in manufacturing, industrial, or plant-floor environments. • Familiarity with OT cybersecurity concepts, IDMZ, and segmentation strategies. • Experience with automation, controls, or industrial systems networking. • Background supporting large-scale OT network deployments or plant modernization efforts. • Experience working with production engineering, maintenance, and operations teams. • Certifications such as CCNA, CCNP, CISSP, or other networking/security credentials. Experience developing network standards, deployment procedures, or architecture guidance for OT environments Salary Range: $120,000 - $135,000 per year TCS Employee Benefits Summary: Discretionary Annual Incentive. Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans. Family Support: Maternal & Parental Leaves. Insurance Options: Auto & Home Insurance, Identity Theft Protection. Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement. Time Off: Vacation, Time Off, Sick Leave & Holidays. Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.