OT Network Specialist/Architect (P.Eng)

Dexcent Inc. has an opportunity for an experienced

OT Network Specialist/ Architect

to join our growing team. Ideally the individual will reside in Edmonton, AB.

About Dexcent: Founded in 2006, Dexcent Inc. (Dexcent) is an engineering consulting firm that provides a range of specialized solutions for clients in a variety of industries throughout the world. Our professionals have modernized IT and OT engineering methodologies into comprehensive solutions, specializing in information analytics, cyber-security, infrastructure, and control systems engineering. As such, we pride ourselves on truly transforming industrial operations to optimize business performance and deliver bottom-line results.

About the Role: We are seeking an experienced Network Specialist / Architect to support and enhance complex network environments within the oil & gas sector. This role is ideal for a technical expert who can design and integrate robust network infrastructures across field and corporate environments, including acquisition-related projects, while collaborating with cross-functional teams and vendors.

Responsibilities: Project Management & Delivery Define project scope, timelines, and cost estimates for network initiatives. Collaborate with Project Managers, engineers, and vendors to deliver multiple concurrent infrastructure projects. Provide technical leadership throughout the project lifecycle, ensuring quality and timely delivery. Design, implement, and optimize secure, scalable network architectures across industrial and enterprise environments. Lead detailed network design including routing, switching, firewalls, and Ethernet-based systems. Develop and maintain comprehensive design documentation, including network diagrams, wiring layouts, and technical specifications. Ensure all designs meet industry standards, regulatory requirements, and cybersecurity best practices, particularly within OT/industrial environments.

Infrastructure Integration & Acquisitions Lead network assessments and integration activities for newly acquired assets and infrastructures. Develop integration strategies to align acquired systems with corporate network standards. Partner with vendors to design, procure, and implement network solutions. Act as a key technical liaison between IT, OT, and business teams to ensure alignment on requirements and execution.

Operations & Reliability Support and enhance network performance, availability, and security across field sites and corporate locations. Troubleshoot complex network issues and implement sustainable solutions. Continuously improve network standards, documentation, and processes.

Core Competencies: Network Architecture & Design (routing, switching, firewalls, Ethernet). IT/OT Infrastructure Integration (industrial and enterprise environments). Enterprise Project Leadership & Delivery Oversight. Fiber Optic and Ethernet Network Design & Field Connectivity. Network Security, Risk & Compliance (cybersecurity standards, regulatory alignment). Network Troubleshooting & Performance Optimization. Cross-Functional Communication (IT, OT, operations, engineering, vendors). Willingness to travel across North America.

Education & Experience: Bachelor’s degree in Electrical Engineering, Computer Engineering, or Software Engineering (or closely related engineering discipline)- P.Eng designation is required. 8–12+ years of experience in network engineering, architecture, or related roles. Strong knowledge of OT/ICS protocols such as EtherNet/IP, Modbus, DNP3, OPC-UA and PROFINET. Proven experience working in complex and diverse network environments, preferably within oil & gas or industrial settings. Demonstrated project management experience, including scoping projects, estimating costs, managing timelines, and coordinating with multiple stakeholders and Project Managers. Experience supporting infrastructure integration during acquisitions or mergers Experience working with vendors on network design and implementation. Strong knowledge of network standards, compliance, and cybersecurity best practices (IT/OT). Hands-on experience with network design, network segmentation, including routing, switching, firewall configuration, and Ethernet technologies. Familiarity with NIST CSF, IEC 62443, ISA/IEC 99 cybersecurity frameworks. Proficiency in VPNs, VLANs, IDS/IPS, NAC, and secure remote access solutions. Relevant certifications such as CCNA, CCNP, CCIE, or equivalent are considered an asset.

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