OT Network Engineer: Firewall & Industrial WAN Expert

Hollingsworth-&-Vose-Company-; East Walpole (MA); On-site; USD 90,000 - 110,000; Full time

Job summary

Hollingsworth & Vose Company is seeking a Network Engineer to deploy and manage our site networks, including switches, routers, and wireless access points. You will configure VLANs, routing, and security with a focus on reliability and change discipline across multiple sites.

You will deploy next-generation Palo Alto firewalls across OT environments, collaborate with OT engineering, and keep accurate documentation, backups, and PAM-compliant access.

Qualifications

• 3+ years of hands-on network experience, or strong fundamentals paired with a relevant certification.
• Experience deploying and configuring network hardware—switches, access points, and firewalls.
• Familiarity with firewalls (Palo Alto a plus) and core network security concepts.
• Willingness to travel to H&V sites for deployments and after-hours rotations.

Responsibilities

• Deploy and configure network hardware—switches, routers, and wireless access points—installed correctly and documented.
• Manage VLANs, port configurations, security rules, and routing updates with change discipline.
• Deploy next-generation firewalls across OT sites, staging, cabling, and validated cutover.
• Maintain WAN, VPN, and SD-WAN, monitor HA failover, and ensure security segmentation and PAM alignment.

Skills

Hands-on network experience

Switching

VLANs

Routing fundamentals

Network hardware deployment

Palo Alto Firewalls

Change management

AI tools in day-to-day

Education

Bachelor’s degree in a related field

CCNA (preferred)

CCNP (bonus)

Tools

Palo Alto NGFW

Cato SASE

VPN / SD-WAN

Job description

Hollingsworth & Vose Company is seeking a Network Engineer to deploy and manage our site networks, including switches, routers, and wireless access points. You will configure VLANs, routing, and security with a focus on reliability and change discipline across multiple sites.

You will deploy next-generation Palo Alto firewalls across OT environments, collaborate with OT engineering, and keep accurate documentation, backups, and PAM-compliant access.