Bilingual Network Engineer
3B Staffing LLC, Kansas City, MO, United States
Role Summary
The Network Engineer - IT/OT Infrastructure is responsible for the
design, implementation, operation, and support of network infrastructure across integrated IT and OT environments .
This role ensures
secure, reliable, and high-availability connectivity
for enterprise IT systems and operational technology environments such as
factory networks, industrial systems, and IoT platforms , while adhering to operational, safety, and security requirements.
Key Responsibilities
1. Network Design & Implementation
Design, implement, and maintain
IT and OT network infrastructure , including LAN, WAN, WLAN, and industrial networks.
Support
IT/OT integration projects , including network segmentation, VLAN/IP design, traffic flow definition, and firewall policies.
Participate in
network upgrades, expansions, and migrations
across data center, cloud, and factory environments.
Validate physical and logical network connectivity during deployment and testing phases.
2. IT/OT Network Operations
Provide day-to-day operational support for
routers, switches, firewalls, wireless controllers, and network security devices .
Monitor network performance, availability, and faults using monitoring and ITSM tools.
Respond to and resolve
network incidents and service requests , ensuring minimal impact to IT and OT operations.
Support
factory and onsite network validation , including cabling, port checks, and traffic control when required.
3. Incident, Problem & Change Management
Participate in
incident, problem, and change management
processes aligned with ITIL practices.
Perform root cause analysis (RCA) for recurring or major network incidents.
Implement approved network changes, including configuration updates, firmware upgrades, and security rule changes.
Ensure changes are executed with consideration for
OT operational and safety constraints .
4. IT/OT Security Support
Implement and maintain
network security controls , including segmentation, access control, and firewall rules for IT and OT zones.
Support secure
remote access solutions
for OT environments.
Collaborate with security teams to support
OT cybersecurity requirements
and incident response activities.
Ensure network configurations comply with internal security policies and industry standards.
5. Documentation & Reporting
Create and maintain network documentation, including:
Physical and logical network diagrams
Traffic flow diagrams
IP/VLAN lists
Port mappings and configuration records
Support preparation of
change records, test results, and operational handover documents .
Provide technical input for service reports and operational reviews when required.
6. Collaboration & Stakeholder Support
Work closely with
project managers, OT engineers, and vendors .
Participate in design and progress meetings with IT and OT stakeholders.
Support coordination with third-party vendors, ISPs, and hardware manufacturers (OEM TACs).
Provide technical guidance during project and transition phases.
Required Skills & Experience
Technical Skills
Strong experience with
enterprise networking technologies
(LAN/WAN/WLAN), Cisco router and SW, Palo Alto FW.
Hands-on experience with
routers, switches, firewalls, and wireless infrastructure .
Solid understanding of
VLAN, IP addressing, routing, and traffic control .
Working knowledge of
OT networks , industrial environments, or factory systems.
Familiarity with ITSM tools and operational processes.
Professional Experience
3-7+ years of experience as a
Network Engineer or Infrastructure Engineer .
Experience supporting
IT infrastructure and OT or factory environments
is strongly preferred.
Experience working in
multi-vendor, multi-site environments .
Ability to work in
onsite, remote, and hybrid operational settings .
Preferred Qualifications
Network certifications (e.g., Cisco, Palo Alto)
Experience with
industrial network segmentation or OT security
Knowledge of ITIL-based operational processes
Experience in manufacturing, logistics, utilities, or critical infrastructure environments
Fluent English and Japanese
The Network Engineer - IT/OT Infrastructure is responsible for the
design, implementation, operation, and support of network infrastructure across integrated IT and OT environments .
This role ensures
secure, reliable, and high-availability connectivity
for enterprise IT systems and operational technology environments such as
factory networks, industrial systems, and IoT platforms , while adhering to operational, safety, and security requirements.
Key Responsibilities
1. Network Design & Implementation
Design, implement, and maintain
IT and OT network infrastructure , including LAN, WAN, WLAN, and industrial networks.
Support
IT/OT integration projects , including network segmentation, VLAN/IP design, traffic flow definition, and firewall policies.
Participate in
network upgrades, expansions, and migrations
across data center, cloud, and factory environments.
Validate physical and logical network connectivity during deployment and testing phases.
2. IT/OT Network Operations
Provide day-to-day operational support for
routers, switches, firewalls, wireless controllers, and network security devices .
Monitor network performance, availability, and faults using monitoring and ITSM tools.
Respond to and resolve
network incidents and service requests , ensuring minimal impact to IT and OT operations.
Support
factory and onsite network validation , including cabling, port checks, and traffic control when required.
3. Incident, Problem & Change Management
Participate in
incident, problem, and change management
processes aligned with ITIL practices.
Perform root cause analysis (RCA) for recurring or major network incidents.
Implement approved network changes, including configuration updates, firmware upgrades, and security rule changes.
Ensure changes are executed with consideration for
OT operational and safety constraints .
4. IT/OT Security Support
Implement and maintain
network security controls , including segmentation, access control, and firewall rules for IT and OT zones.
Support secure
remote access solutions
for OT environments.
Collaborate with security teams to support
OT cybersecurity requirements
and incident response activities.
Ensure network configurations comply with internal security policies and industry standards.
5. Documentation & Reporting
Create and maintain network documentation, including:
Physical and logical network diagrams
Traffic flow diagrams
IP/VLAN lists
Port mappings and configuration records
Support preparation of
change records, test results, and operational handover documents .
Provide technical input for service reports and operational reviews when required.
6. Collaboration & Stakeholder Support
Work closely with
project managers, OT engineers, and vendors .
Participate in design and progress meetings with IT and OT stakeholders.
Support coordination with third-party vendors, ISPs, and hardware manufacturers (OEM TACs).
Provide technical guidance during project and transition phases.
Required Skills & Experience
Technical Skills
Strong experience with
enterprise networking technologies
(LAN/WAN/WLAN), Cisco router and SW, Palo Alto FW.
Hands-on experience with
routers, switches, firewalls, and wireless infrastructure .
Solid understanding of
VLAN, IP addressing, routing, and traffic control .
Working knowledge of
OT networks , industrial environments, or factory systems.
Familiarity with ITSM tools and operational processes.
Professional Experience
3-7+ years of experience as a
Network Engineer or Infrastructure Engineer .
Experience supporting
IT infrastructure and OT or factory environments
is strongly preferred.
Experience working in
multi-vendor, multi-site environments .
Ability to work in
onsite, remote, and hybrid operational settings .
Preferred Qualifications
Network certifications (e.g., Cisco, Palo Alto)
Experience with
industrial network segmentation or OT security
Knowledge of ITIL-based operational processes
Experience in manufacturing, logistics, utilities, or critical infrastructure environments
Fluent English and Japanese