Staff OT Network Engineer: Manufacturing & Security

DSJ Global; Massachusetts; On-site; USD 120,000 - 160,000; Full time

Job summary

DSJ Global is seeking a Staff Controls OT Engineer to bridge Manufacturing, Controls Engineering, Corporate IT, and Cybersecurity. The role focuses on designing and maintaining plant-floor network infrastructure and implementing corporate cybersecurity requirements across automated production environments.

The ideal candidate will have hands-on experience with industrial networks, PLC communications, and collaboration with IT and cybersecurity teams to ensure secure, reliable operations in

Qualifications

• Bachelor's degree in Electrical Engineering, Computer Science, Cybersecurity or related field.
• 6+ years of network engineering experience in manufacturing/industrial environments.
• Strong knowledge of OT networks, PLC communications, and plant-floor IT.

Responsibilities

• Own design, maintenance, and continuous improvement of plant-floor network infrastructure.
• Design VLANs, IP addressing schemes, network segmentation, and secure remote access.
• Support network connections between PLCs, cameras, HMIs, robots, and enterprise systems.
• Manage network architecture connecting automation-cell switches to plant IDFs/MDFs.
• Define processes for switch replacement, access control, and network maintenance.
• Implement cybersecurity requirements with the corporate cybersecurity team.
• Deploy and maintain tools such as CrowdStrike on manufacturing equipment.
• Ensure devices have correct software, licensing, connectivity, and security configuration.
• Review network and security requirements during vendor selection, FAT, SAT.
• Support OT incident response, disaster recovery, asset inventory, and business continuity.
• Develop standards and processes for global manufacturing sites.
• Travel to manufacturing locations (including international sites) to support teams.

Skills

Industrial networking

OT infrastructure

PLC communication

VLANs / IP addressing

Cybersecurity integration

CrowdStrike

EtherNet/IP

Modbus TCP

OPC UA

Industrial routers/switches

Education

Bachelor's in Electrical Engineering

Cybersecurity

Computer Science

Tools

CrowdStrike

Cisco IE

Allen-Bradley Stratix

Moxa

Job description

DSJ Global is seeking a Staff Controls OT Engineer to bridge Manufacturing, Controls Engineering, Corporate IT, and Cybersecurity. The role focuses on designing and maintaining plant-floor network infrastructure and implementing corporate cybersecurity requirements across automated production environments.

The ideal candidate will have hands-on experience with industrial networks, PLC communications, and collaboration with IT and cybersecurity teams to ensure secure, reliable operations in