Senior OT Network Engineer

Masco Corporation

Senior OT Network Engineer at Delta Faucet leading secure Operational Technology networks across manufacturing environments. Driving digital transformation and collaborating with cross-functional teams to enhance connectivity and automation.

Posted 4/16/2026full-timeJackson • Tennessee • 🇺🇸 United StatesSenior💰 $103,700 - $163,020 per yearWebsite

Tech Stack

Tools & technologies

Firewalls

About the role

Key responsibilities & impact

Lead the design, deployment, and sustainment of secure and scalable Operational Technology (OT) networks across our manufacturing environments
Bridge the gap between IT and OT with high-impact technical leadership
Build secure, resilient industrial networks that enable Industry 4.0
Shape OT standards, architecture, and cybersecure design practices
Make a tangible impact on uptime, safety, and connectivity across plants
Design, configure, and deploy OT wired/wireless network infrastructure in production environments
Maintain and optimize industrial network performance, uptime, and security
Lead Tier 3 troubleshooting and root cause analysis of OT network incidents
Contribute to network architecture decisions, standards, and design blueprints
Partner with engineering teams to integrate ICS, SCADA, IIoT, and smart devices
Implement and manage network segmentation/zoning aligned to the Purdue Model
Align OT security with corporate policies and frameworks (ISA/IEC 62443, NIST)
Manage and patch OT networking hardware (Cisco IE switches, firewalls, routers)
Utilize tools like Cisco DNA Center, Industrial Network Director, Cyber Vision for monitoring and automation
Support network-related upgrades, migrations, and vendor coordination across plants
Maintain accurate documentation of topologies, configs, and operational procedures
Enable digital factory initiatives by securing edge device connectivity and infrastructure.

Requirements

What you’ll need

Bachelor’s in Computer Science, Engineering, IT, or equivalent experience
7+ years in network engineering; 3+ years in industrial/OT environments
Proven experience delivering OT network solutions in manufacturing/plant settings
Experience working in cross-functional teams across Operations, IT, and Security
Required Certification: CCNP Enterprise or CCNP Industrial
Preferred Certifications: CCIE, CCNA Industrial, CISSP, ISA/IEC 62443 certifications
Advanced knowledge of Layer 2/3 networking: VLANs, routing, ACLs, NAT, QoS
Hands-on with Cisco IE 2000/3000/4000, Firepower firewalls, ISE, and VPN technologies
Familiarity with industrial protocols: Modbus, PROFINET, OPC-UA, CIP, DNP3
Strong OT security experience: segmentation, firewalls, secure remote access
Wireless deployment and troubleshooting in industrial environments
Experience with CMDB, change control, and network monitoring tools
Excellent communication and documentation skills across technical and non-technical teams.

Benefits

Comp & perks

Comprehensive benefit plans; retirement, savings, tuition reimbursement, and employee incentive programs; resources for mental, physical, and financial wellbeing.
LinkedIn Learning access; internal opportunities to work on projects cross-company.
Four employee-led and self-directed Business Resource Groups; Paid volunteer day annually; Employees share their time, skills and talent with charities and nonprofit organizations across the U.S. and around the globe.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

network engineeringOT network solutionsLayer 2 networkingLayer 3 networkingVLANsroutingACLsNATQoSindustrial protocols

Soft Skills

technical leadershipcross-functional collaborationcommunicationdocumentation

Certifications

CCNP EnterpriseCCNP IndustrialCCIECCNA IndustrialCISSPISA/IEC 62443