Industrial Network Specialist – OT/ICS, 50% Travel

Prime-Controls; Lewisville (TX); On-site; USD 85,000 - 120,000; Full time

Benefits offered by this job

Health, Dental, and Vision coverage

Flexible Spending Account(s)

Generous PTO

ESOP Program

401(k) matching and more

Job summary

Prime Controls is seeking an ETS Network Specialist to design, configure, and support ICS networks across diverse customer sites. You will ensure secure, high-performance communications between control devices, servers, and remote systems, supporting project execution and long-term infrastructure planning.

Responsibilities include designing Layer 2/3 architectures, configuring switches/routers, implementing security per ISA/IEC standards, and coordinating with field teams.

Qualifications

• 3+ years of hands-on experience in industrial networking or OT environments.
• Working knowledge of routing, switching, and VLAN management.
• Ability to terminate and troubleshoot ethernet cables and fiber optic.
• Strong understanding of control system communication protocols and architecture.
• Familiarity with industrial network security standards.
• Proficiency in troubleshooting and supporting remote systems.
• Excellent documentation and communication skills.

Responsibilities

• Design Layer 2/3 network architectures for control systems, including switches, routers, cellular modems/routers, and firewall configurations.
• Install, configure, and support industrial switches, VPNs, and VLANs.
• Implement network segmentation and security best practices per NIST 800-82 and ISA/IEC 62443 standards.
• Troubleshoot connectivity issues in client networks.
• Document network diagrams, IP schemes, and device inventories.
• Coordinate with project engineers and field personnel to deploy and validate networks during FAT/SAT.
• Maintain firewall rules and access control policies for control system integrity.
• Participate in client meetings to discuss networking strategy and schedules.
• Travel up to 50%.

Skills

Industrial networking

Routing & switching

VLAN management

Network troubleshooting

Documentation

Communication skills

Security standards familiarity

Education

Associate's or Bachelor's degree in Computer Science/Networking/Engineering

Tools

Cisco

Stratix

Hirschmann

Job description

Prime Controls is seeking an ETS Network Specialist to design, configure, and support ICS networks across diverse customer sites. You will ensure secure, high-performance communications between control devices, servers, and remote systems, supporting project execution and long-term infrastructure planning.

Responsibilities include designing Layer 2/3 architectures, configuring switches/routers, implementing security per ISA/IEC standards, and coordinating with field teams.