Job Description

Dexcent Inc. has an opportunity for an OT (Operational Technology) Network Specialist to join our growing team. The ideal candidate would reside in either Calgary or Edmonton, AB, as some travel may be required to client sites.

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 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 Candidate

Our ideal candidate has:

Bachelor's degree or diploma in Information Technology, Computer Science, Networking, or related field (or equivalent work experience). 5-10+ years of experience in network design, setup and deploy, and administration of high availability networks (VLANs) on Ethernet switches, and Firewalls in a segmented network in a Data Centre SCADA Network environment. Strong knowledge and hands-on experience with TCP/IP, DNS, DHCP, routing, switching, and firewalls. Experience with Cisco, Fortinet, Palo Alto, or similar networking technologies. Experience with VMware and Hyper-V virtualization implementation. Familiarity with cloud networking (Azure, AWS, or GCP) is an asset. Understanding cybersecurity principles and best practices. Hands-on experience with network monitoring and diagnostic tools. Relevant certifications (e.g., CCNA, CCNP, CompTIA Network+, Fortinet NSE) preferred.

About the Role

The successful candidate will be responsible for designing, implementing, commissioning, and troubleshooting a Data Centre SCADA network infrastructure to ensure reliable, secure, and high-performing and high available connectivity and segmentation between critical components and clustered server domains.

Core Activities:

Design new OT network environment as part of green field or upgrade projects. Define Network and Hardware Redundancy & Failover Strategies to ensure high availability. Define hardware specifications and create bill of materials, ready for vendors engagement. Create Network and Hardware Data Flow Diagrams for system interactions. Experience with virtual servers infrastructure in HA cluster setup. Develop network segmentation strategies, ensuring separation between IT and OT environments while maintaining secure connectivity. Configure and optimize firewalls, routers, switches, VLANs, industrial DMZs, and VPNs for secure communication. Build the network in a staging environment to configure and conduct testing prior to deployment. Troubleshoot connectivity and network security issues, escalating to vendors as required. Create and update network architecture drawings, documentation, diagrams, and inventories. Implement cybersecurity initiatives, including firewall rules, access controls, and patch management. Collaborate with IT and business teams to plan and implement OT-IT network interface and remote access. Provide technical support and training for staff on network-related issues.

Core Competencies

Strong problem-solving and troubleshooting skills. Excellent communication and documentation abilities. Detail-oriented with a focus on reliability and security. Ability to work independently and as part of a team. Strong organizational skills with the ability to manage multiple tasks.
At Dexcent we recognize that people are our most important asset. We appreciate the diverse experience, knowledge, creativity, and personality that each person brings to our organization, our culture, and our success. If this sounds like the right career opportunity for you, apply today!

Job Type: Full-time

Work Location: Remote