OT Network Engineer: Secure, Scalable Facility Networks

Blue-Signal-Search; San Francisco (CA); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Hybrid work model

Remote flexibility nationwide

Competitive compensation

Equity participation

Comprehensive benefits

Career growth

Job summary

Blue-Signal-Search is seeking an Operational Technology Network Engineer to design, implement, and support OT network infrastructure for critical facilities in a hybrid role based in San Francisco, CA with remote options nationwide. You will help ensure reliability, security, and scalability of networks supporting building automation, industrial controls, and data center operations.

The role offers growth within a fast-moving engineering environment, collaboration with facilities and controls

Qualifications

• Several years of OT or critical infrastructure networking experience.
• Strong knowledge of Ethernet, TCP/IP, VLANs, routing, switching.
• Experience with building automation or industrial control systems.
• Proficiency in network security principles for OT environments.
• Ability to collaborate with facilities and controls teams.

Responsibilities

• Design, implement, and support OT network infrastructure for critical facility systems.
• Develop secure network architectures for building automation and industrial controls.
• Establish repeatable rollout practices across distributed sites.
• Configure network segmentation, firewall policies, routing, switching, and secure remote connectivity.
• Collaborate with facilities, controls, commissioning, and infrastructure teams.
• Monitor network health, troubleshoot issues, and optimize performance while maintaining high availability.
• Assist with cybersecurity initiatives, access controls, monitoring, and compliance in OT environments.
• Produce technical documentation, diagrams, and operating procedures.
• Support commissioning activities and infrastructure upgrades.

Skills

OT networking

Industrial controls

Network security

Troubleshooting

Communication

Job description

Blue-Signal-Search is seeking an Operational Technology Network Engineer to design, implement, and support OT network infrastructure for critical facilities in a hybrid role based in San Francisco, CA with remote options nationwide. You will help ensure reliability, security, and scalability of networks supporting building automation, industrial controls, and data center operations.

The role offers growth within a fast-moving engineering environment, collaboration with facilities and controls