OT Cybersecurity Network Segmentation Engineer

Our Client: A leading provider of secure technology solutions for global mobility and industrial operations, is seeking a Network Segmentation Engineer OT Cybersecurity. This role offers the chance to directly improve safety, uptime, and business continuity by designing identity-based micro-segmentation across enterprise and Operational Technology (OT) environments while advancing your career in a cutting-edge, Zero Trust aligned practice., Join a dynamic security-focused team helping Our Client build a secure and resilient global value chain. You ll design and implement micro-segmentation and identity-based access control strategies across both enterprise networks and OT environments where segmentation directly affects operational safety and continuity. Using software-defined access fabrics, automation/orchestration, and policy enforcement, you ll ensure access is tightly controlled and lateral movement is restricted. You ll also partner closely with cybersecurity, OT, and infrastructure teams to extend segmentation into real-world factory and manufacturing settings., * Design, deploy, and manage OT/enterprise micro-segmentation using software-defined access and identity-based policy enforcement

• Implement and manage network access control platforms for authentication, authorization, device profiling, posture assessment, and dynamic policies
• Configure automation/orchestration for fabric provisioning, policy management, assurance, and visibility
• Define and enforce access policies controlling lateral movement based on identity, device, location, and app context
• Build segmentation architecture using fabric overlays, virtual networks, control plane protocols, and data plane encapsulation
• Differentiate and apply campus-focused vs data center-focused segmentation models appropriately
• Troubleshoot complex authentication/connectivity/policy enforcement issues in segmented environments
• Support compliance/audit readiness with diagrams, policy matrices, and evidence of enforcement

Do you have experience in Zero Trust security?, * Hands-on experience designing scalable access policies tied to identity and device context

• Proven ability to implement network automation/orchestration that improves provisioning and operational visibility
• Strong troubleshooting skills across multi-domain, production environments
• Collaboration experience with cybersecurity, infrastructure, and OT stakeholders, * Expert experience with enterprise network access control platforms (authentication policy design, device profiling, group-based policy assignment)
• Expert experience with network automation and fabric orchestration platforms (provisioning, policy management, assurance)
• Deep understanding of identity-based segmentation (tagging, policy matrices, tag propagation, group-based access control)
• Strong knowledge of software-defined access fabric architecture (overlay/underlay, control plane protocols, data plane encapsulation)
• Ability to apply Zero Trust aligned network segmentation
• Experience with enterprise wireless/switching and fabric-based deployments
• Familiarity with 802.1X, MAC-based authentication, RADIUS, and TACACS+
• Willingness to travel to factories/operational sites as needed

3.63.6 out of 5 stars Plano, TX 75074 Hybrid work $68 - $75 an hour - Contract, Pulled from the full job description

• 401(k)
• Health insurance
• Vision insurance
• Dental insurance, Other Skills:
• Strong architecture documentation skills (architecture diagrams, policy documentation, operational runbooks)
• Comfort partnering across teams to validate segmentation in production

Important Notes:

• Periodic travel to factory and operational sites is required to support deployment and validation.

Calance Consultant Benefits Offerings:

• EPO/PPO Medical Plan (Anthem)

• HMO/PPO Dental programs (Anthem)

• Vision - VSP (MetLife)
• 401K VOYA Retirement vesting program

Calance is a global IT company with operations in the United States, Canada, and India. Over the years, Calance has grown organically and has acquired numerous successful IT Services firms along the way. As a result, the company today is a mix of diverse cultures, talents, and expertise that collaborate globally to bring our best capabilities and thinking to clients. Calance also offers benefits which includes Medical, Dental, Vision care, and 401K.

Calance - the place to grow. www.calance.com

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