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Type:

full-time

Job Description:

Work Location:

Carencro, LA (near Lafayette)

Working Environment:

Onsite NPK International inc. (

NYSE:

NPKI) is the only site access solutions partner to manufacture and rent industry-leading sustainable composite matting, along with a full suite of services including planning, logistics, and remediation

so you can protect your people, the environment, and your bottom line. The Senior Network Engineer (OT/ICS) designs, deploys, secures, and supports network infrastructure across NPK's enterprise IT and industrial/OT environments in Carencro, Louisiana. This role bridges the IT/OT divide
configuring enterprise Cisco routing and switching, hardening plant-floor control networks, and building segmentation and security policy on Fortinet firewalls.

The engineer partners closely with the Senior Manager of IT Services & Support, site operations, and controls/automation teams to maintain availability, enforce segmentation per IEC 62443 and NIST frameworks, and deliver projects aligned with the IT strategic roadmap.

Responsibilities:

Design, implement, and maintain LAN, WAN, and wireless infrastructure across corporate, plant, and cloud-connected environments. Architect and enforce secure IT/OT network segmentation using the Purdue model, VLANs, VRFs, firewalls, and industrial DMZs. Configure and support routing and switching technologies, including OSPF, BGP, static routing, STP/RSTP, LACP, VLANs, trunking, switch stacking, QoS, and 802.1X. Build and maintain highly available network architectures, including redundant uplinks, HA firewall pairs, and resilient topologies for 24/7 operations. Plan, deploy, and support secure site-to-site and remote-access connectivity using IPsec and SSL VPN technologies. Configure, manage, and optimize Fortinet solutions, including FortiGate NGFWs, security policies, NAT, VIPs, IPS, application control, web filtering, SSL inspection, FortiManager, FortiAnalyzer, FortiSwitch, and FortiAP. Administer and support Cisco Catalyst, Nexus, IOS/IOS-XE, wireless, and industrial Ethernet platforms; troubleshoot Layer 1-3 connectivity issues using CLI tools, packet captures, and SPAN. Support and secure OT/ICS environments, including PLCs, HMIs, RTUs, SCADA systems, and historians, while accounting for legacy protocols, deterministic traffic, and operational constraints. Enforce least-privilege access controls and secure remote access solutions for internal users, vendors, and support personnel across IT and OT networks. Participate in on-call support and maintenance activities; maintain network documentation, including topology diagrams, IP addressing schemes, firewall rule sets, and operational runbooks, and perform additional duties as assigned.

Experience Requirements:

Bachelor's degree in Information Technology, Computer Science, Network Engineering, or a related technical field preferred; equivalent combinations of education and relevant hands-on experience will be considered. Experience with Cisco and Fortinet networking technologies , including routing, switching, wireless, WAN/SD-WAN connectivity, firewalls, VPNs, network segmentation, centralized management, and network troubleshooting. Strong knowledge of core networking and security concepts , including TCP/IP, DNS, DHCP, NAT, QoS, routing and switching protocols, network monitoring/analysis, and security policy administration. Familiarity with IT/OT and industrial networking environments , including OT/ICS security principles, industrial protocols, and network automation/scripting tools. Experience supporting multi-site network environments , including cloud networking, centralized firewall management, and occasional travel between facilities. Knowledge of industry security frameworks (NIST

CSF, CIS

Controls, IEC 62443); relevant certifications such as Fortinet, Cisco, CompTIA, or

IEC 62443

are preferred.

WHY JOIN NPK?

One of NPK's Core Values is Excellence. It means we are committed to delivering value through performance, innovation, and service quality, and that commitment starts with YOU! NPK is where you can challenge yourself in new and exciting ways and work in an environment that supports and values you. Here at NPK, we are committed to finding, developing, retaining, and rewarding the best talent while providing an environment where our employees can grow professionally and personally.

WHAT WE VALUE

At NPK, our values, safety, integrity, accountability, respect, and excellence are more tan words

they are non-negotiable fundamentals that define what is important to us.

They are the foundation for our purpose. Our Purpose encapsulates how our values work together to drive our decision-making, actions, and behaviors. They help us create meaningful relationships with each other, our clients, and partners. Every day, we strive to live these values and fulfill our purpose, building a culture that reflects who we are and where we're headed. P

People Focused
First in every action U
United
Different voices make us stronger together R
Reliable
Unwavering in our quality and service P
Passionate
Energy and excitement is our fuel O
Optimistic
Any moment is a chance to shine S
Sincere
Authenticity starts with vulnerability E
Enterprising
Agility is the key to opportunity We are an equal opportunity employer.

NPK and its affiliates do not discriminate against applicants or employees on the basis of race, color, age, religion, sex (including pregnancy and gender identity), national origin, sexual orientation, disability, military service/veteran status, genetic information, or any other protected status. For more information on Equal Employment Opportunity, please click here . NPK International, Inc. is committed to ensuring equal employment opportunity, including providing reasonable accommodations to individuals with a disability. Applications with a physical or mental disability who require a reasonable accommodation for any part of the application or hiring process may contact the Manager, HR Governance & Compliance at HRcompliance@npki.com","type","jobPosting","source","LC","accountId","23247160","organizationName","NPK","applicationUrl","https://www.disabledperson.com/jobs/75399193-senior-network-engineer","Sunset, LA","isRemote","location",{"_341":342,"_343":344},"createdAt","2026-09-25T06:39:50.345775490Z","updatedAt","2026-09-24T13:58:00.979Z","publishedAt","2026-09-21T00:00:00Z","expiresAt","2026-10-26T00:00Z","status","active","isExpired","isDiscoverable",true,"isSearchable","isSpotlight","isDraft","careerSkills",[161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219],"requiredEducation","4_college","benefitCategories",[160],"isEmailRequired","isPhoneRequired","formattedDescription","

Senior Network Engineer at NPK Senior Network Engineer at NPK in SUNSET, Louisiana Posted in 1 day ago.

Type:

full-time

Work Location:

Carencro, LA (near Lafayette)

Working Environment:

Onsite NPK International inc. (

NYSE:

so you can protect your people, the environment, and your bottom line. The Senior Network Engineer (OT/ICS) designs, deploys, secures, and supports network infrastructure across NPK's enterprise IT and industrial/OT environments in Carencro, Louisiana. This role bridges the IT/OT divide
configuring enterprise Cisco routing and switching, hardening plant-floor control networks, and building segmentation and security policy on Fortinet firewalls.

Responsibilities:

Experience Requirements:

CSF, CIS

Controls, IEC 62443); relevant certifications such as Fortinet, Cisco, CompTIA, or

IEC 62443

are preferred.

WHY JOIN NPK?

WHAT WE VALUE

At NPK, our values, safety, integrity, accountability, respect, and excellence are more tan words

they are non-negotiable fundamentals that define what is important to us.

People Focused
First in every action U
United
Different voices make us stronger together R
Reliable
Unwavering in our quality and service P
Passionate
Energy and excitement is our fuel O
Optimistic
Any moment is a chance to shine S
Sincere
Authenticity starts with vulnerability E
Enterprising
Agility is the key to opportunity We are an equal opportunity employer.

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Find & Apply For Network Engineer / Architect Jobs in Sunset, Louisiana

Senior Network Engineer