OT Network Engineer Job at Madison Group Enterprises

Network Engineer

Location

United States , New York City

Salary:

Not provided

Softnet Consulting

Expiration Date

Until further notice

Requirements

BGP, OSPF and Switching (Cisco)
Network Segmentation & Isolation
Cisco ISE/ Stealthwatch
Authentication, Authorisation & Accounting (AAA)
DWDM & SONET
Good Knowledge of: Virtualization & Infrastructure (VMware Virtual Switches)
Vulnerability & Patch Management
Containment/ Protection Tools for OT Environments (Forescout)
Data Analysis
Nozomi maintenance & management

Network engineer (l2)

about the job ● Manage, configure, and troubleshoot Fortinet firewalls (FortiGat...

Location

Malaysia , Kuala lumpur

Salary:

8000.00 - 10000.00 RM / Month

Randstad

Expiration Date

January 23, 2026

Requirements

3 years experience
Bachelor’s degree in Computer Science, Information Technology, Electronics, or related field
Skills in data center networking

Job Responsibility

Manage, configure, and troubleshoot Fortinet firewalls (FortiGate, FortiManager, FortiAnalyzer)
Administer and support Cisco network devices – switches, routers, and firewalls
Deploy and maintain Ruckus wireless solutions (controllers and access points)
Support data center network operations — including routing, switching, and interconnectivity between core systems
Work with OT systems and networks, ensuring secure integration between IT and OT infrastructure
Perform L2-level troubleshooting, incident resolution, and escalation to L3 where needed
Implement and document network changes, upgrades, and configurations
Ensure network compliance and security policies are enforced
Conduct performance monitoring and proactive issue identification
Collaborate with cross-functional teams and participate in on-call support rotation

What we offer

Insurance
attractive package

Operational Technology (OT) Cyber Security Engineer

The OT Cyber Security Engineer will contribute to the delivery of high-quality t...

Location

United Kingdom , Stockton-on-Tees

Salary:

Not provided

Risktec Solutions

Expiration Date

Until further notice

Requirements

A relevant technical degree or equivalent industry experience in OT cybersecurity is desirable
Good working understanding of industrial control systems (DCS, SCADA, PLCs, etc.)
Prior experience in technical delivery roles, including hands-on involvement in a project delivery or client-facing setting, is desirable but not essential
Evidence of delivering high-quality technical work under supervision
Foundational knowledge of OT cybersecurity practices, frameworks, and regulations, such as IEC 62443, CAF, OG86, and NIS
Awareness of OT cybersecurity techniques and tools for compliance with national/international standards, contributing to effective technical solutions
Developing competency in performing assignments in areas such as: Supporting risk assessments and vulnerability analysis of OT environments
Assisting in asset inventory preparation and management for industrial control systems (ICS)
Conducting physical and standards-based site audits, aligned with international standards
Contributing to network diagram creation to improve system visibility and security

Job Responsibility

Support risk assessments and create asset inventories for OT systems across client sites under supervision
Perform physical and standards-compliant site audits as directed by senior consultants or team leads
Assist in the creation, documentation, review, and validation of network diagrams and OT systems architecture
Support the review, development, and implementation of OT Cyber Security Management Systems (CSMS) in alignment with established frameworks and international standards
Collaborate with the OT Cyber Security team and other departments to deliver projects successfully, ensuring high-quality outputs
Prepare and deliver accurate and professional technical reports and documentation that meet client expectations and regulatory compliance
Stay informed of industry trends and emerging OT cybersecurity challenges, applying foundational knowledge to support team-directed initiatives
Interaction with customers to ensure TUV deliver a solution on time and to high quality

What we offer

comprehensive training
flexible working
a great pay and benefits package

Fulltime

Ot Security Engineer

The OT Security Engineer is responsible for securing the technologies that opera...

Location

Czech Republic , Prague

Salary:

Not provided

Beretta Clima Italia

Expiration Date

February 06, 2026

Requirements

3–7+ years of experience in cybersecurity, industrial control systems, OT engineering, or related technical fields
Hands-on experience with ICS/OT technologies such as SCADA systems, PLCs, DCS platforms, or industrial automation networks
Understanding of OT networking concepts (Modbus, DNP3, OPC, BACnet, Profinet, EtherNet/IP)
Familiarity with OT security frameworks such as ISA/IEC 62443 or NIST 800-82
Experience with one or more OT security platforms (Nozomi, Dragos, Claroty, etc.)
Strong troubleshooting skills in operational environments with high availability and safety requirements
Experience implementing segmentation, firewalls, and DMZs for OT networks
Knowledge of industrial protocols, vendor equipment (Rockwell/Allen-Bradley, Siemens, Schneider, Emerson), or SCADA platforms
Experience with incident response in ICS environments
Certifications such as GICSP, GRID, ISA/IEC 62443 Cybersecurity Certificates, CCNA/CCNP, or CISSP

Job Responsibility

Design, implement, and maintain security controls for OT/ICS environments, including SCADA, PLCs, HMIs, engineering workstations, and plant networks
Develop OT security architecture aligned with the Purdue Model, ISA/IEC 62443, and company security standards
Support secure network segmentation between IT and OT, including firewalls, DMZs, and remote access solutions
Deploy and maintain OT monitoring tools (e.g., Nozomi, Claroty, Dragos) to identify anomalous behavior and potential intrusions
Investigate security alerts related to industrial assets and support incident response activities within OT environments
Analyze OT network traffic and develop detection logic for ICS-specific threats
Perform risk assessments on OT systems, control networks, and industrial equipment
Identify and prioritize vulnerabilities in OT assets, including legacy systems with limited patching options
Recommend compensating controls where traditional IT security techniques are not feasible
Maintain accurate inventory of OT assets, communication flows, and dependencies

What we offer

Exciting innovative environment
possibility for further development and international career opportunities
high-profile team
daily use of English and other foreign languages
language courses
Competitive remuneration and other benefits (meal vouchers, contribution to life or pension insurance, holidays etc.)
Flexible working hours
possibility for home office
sick days

Fulltime

Global OT Network Security Architect

The Global OT Network Security Architect plays a strategic role in enabling secu...

Location

United States , Toledo

Salary:

Not provided

Owens Corning

Expiration Date

Until further notice

Requirements

Bachelor’s degree in computer science, Information Systems, Cybersecurity, Networking, Electrical/Computer Engineering, or related field
8+ years of experience in OT security, network security, shop floor controls and project management, with at least 2 years in each domain
5+ years of hands-on experience in information security technology with a strong background in security and networking
Operational Technology security knowledge is a plus
Demonstrated experience implementing, maintaining and troubleshooting security and network technologies
Success in solving complex security and network problems
Demonstrated experience designing and managing core network infrastructure
switch and routers
Experience creating and maintaining IPSEC tunnels, remote access solutions, web filtering, security, NAT and AV & threat policies
Experience managing large scale firewall platforms

Job Responsibility

Develop and maintain a strong understanding of Owens Corning specific business processes and operations locally and globally
Build relationships within the organization, cross-functionally, and with key business stakeholders
continuously enhance connection to remain aligned with core objectives
Understand how IT Security and services are directly aligned with the company's strategic objectives by regularly engaging with key business stakeholders
Monitor industry trends and competitive benchmarks to inform strategy and maintain a forward-looking security posture
Lead the architecture, deployment, and ongoing management of secure and resilient OT network infrastructure across global manufacturing sites
Develop and enforce OT network segmentation strategies using VLANs and Layer 2/Layer 3 protocols to minimize risk and enhance operational efficiency
Review and validate OT system designs to ensure alignment with enterprise architecture standards and regulatory requirements
Ensure OT network designs meet enterprise security and architecture standards
Provide hands-on support to site teams with network configuration, equipment backups, and recovery procedures to maintain system reliability and uptime

Fulltime

Cybersecurity Engineer

Location

United States , Manhattan

Salary:

Not provided

Softnet Consulting

Expiration Date

Until further notice

Requirements

Network Segmentation & Isolation
Active Directory and Windows Server Administration & Hardening
Cisco ISE/ Stealthwatch
Authentication, Authorisation & Accounting (AAA)
Vulnerability & Patch Management
Containment/ Protection Tools for OT Environments (Forescout)

New

OT Cyber Security Engineer

OT Cyber Security Engineer – Contract (Energy Sector). I’m looking for an OT Cyb...

Location

United Kingdom , Warrington or Haydock

Salary:

Not provided

Morson Talent

Expiration Date

Until further notice

Requirements

OT / ICS cyber security engineering
Industrial network deployment and security hardening
SCADA and control systems environments
Security testing and validation in operational environments

Job Responsibility

Implementing and hardening OT security controls
Supporting control system protection, telemetry replacement and SCADA environments
Deploying and securing industrial networks
Working closely with automation engineers from design through to testing
Security testing, verification, FATs and SATs
Repeating and refining designs across follow-on projects

Network Engineer

Right now, we are looking for a Network Engineer for our Digital Site Services t...

Location

Sweden , Boden

Salary:

Not provided

Stegra

Expiration Date

Until further notice

Requirements

A university degree or equivalent experience within Engineering or Computer Science
Hands-on experience and in-depth knowledge of Software Defined Networking (SDN) and evpn vxlan networks
Several years of relevant experience in complex networks operations
Hands-on experience with firewall configuration
Experience with OT Networks and related industrial protocols
Knowledge of AWS Cloud networking
In-depth knowledge of network hardware, protocols and software technologies and best practices (routers, switches, routing protocols, WAN, Firewalls, Remote Access, etc.)
Hands-on experience with advanced Network Management Systems, such as Cisco Catalyst Center
Terraform, Ansible or Infrastructure-as-code experience
Hands-on experience with network services such as DHCP, DNS, radius

Job Responsibility

Designing, implementing, and maintaining Software Defined Networks with full redundancy across all layers
Deploying, configuring, and operating network layers such as routers, switches, firewalls, and network management systems
Monitoring performance, identifying issues early, and ensuring efficient, dependable connectivity across the site
Defining and implementing processes and routines for secure, reliable network operations and maintenance
Collaborating closely with vendors and internal teams to design networks aligned with business needs and best practices
Engage with stakeholders to understand business needs, prioritize connectivity requirements, and ensure the infrastructure supports productivity, safety, and sustainability in the factory
Documenting network processes, sharing best practices, and contributing to team learning and technical development
Participating in an on-call rotation to support our 24/7 operation of critical infrastructure

What we offer

Fair, competitive compensation aligned with collective agreements
Up to 30 days of paid vacation
Occupational pension
Parental benefits
Insurance
Relocation or immigration support
Subsidized gym memberships
Bike leases

Fulltime

OT Network Engineer

Madison Group Enterprises

Location:
Australia

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
December 10, 2025

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