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OT Network Engineer - 10 Years of Experience

Rapport ITSan Antonio, TX🇺🇸United StatesPosted 24 Aug 2026

Why This Role Stands Out

Advance your career in data security with Rapport IT, where you'll ensure robust security across a global manufacturing enterprise, gaining invaluable experience with both on-premises and cloud environments. This hybrid role is perfect for a mid-senior specialist eager to protect sensitive data, collaborate with diverse teams, and continuously develop skills in a reputable company. Apply now to be a vital part of their security infrastructure and contribute to a safer digital future.

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
San Antonio, TX, United States
Posted
4 days ago

Job Description

Position Summary:

We are seeking a highly motivated and experienced Sr. OT Network Engineer with over 10 years of experience to join our dynamic System Solution team. This position is ideal for a candidate 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.

The successful candidate will be responsible for onsite 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.

Essential Functions:

Description / Essential Functions:

  • 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
  • Collaborate with stakeholders to translate business and production requirements into effective network solutions.

Technology Scope

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

Minimum qualification:

Required Education & Experience:

  • 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
  • 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
  • Experience working with production engineering, maintenance, and operations
  • Certifications such as CCNA, CCNP, CISSP, or other networking/security
  • Experience developing network standards, deployment procedures, or architecture
  • guidance for OT environments.

Position Type/Expected Hours of Work:

  • Onsite contract: Standard business hours
  • Occasional after-hours or weekend work may be required based on business needs
  • Limited travel expected

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