Senior Network Administrator

Senior Network Administrator Location: Calgary Head Office Job status: Full Time Permanent Department: Information Services At Gibson, we believe our competitive advantage lies in the strength and talents of our employees. That means connecting our employees to rewarding careers, building a high-performance culture where collaboration and creativity are rewarded, and providing real growth opportunities for employees to take on new challenges. The Role The Senior Network Administrator is responsible for the design, operation, and continuous improvement of Gibson’s enterprise network infrastructure. This hands‑on role serves as the internal lead for network design, performance, and security, working closely with managed service providers for daily operations and project delivery. The ideal candidate has deep expertise in enterprise networking, network security, cloud connectivity, and access control technologies. Familiarity with industrial or Operational Technology (OT) environments is an asset. The role will work closely with OT teams to support secure connectivity and network alignment. What You Will Do Manage and support enterprise network infrastructure across corporate, field, and cloud environments. Design and implement secure, scalable network architectures using next-generation firewall, SD‑WAN, and SASE technologies. Administer advanced routing and switching platforms, ensuring high availability and network segmentation through technologies such as VRF, BGP, and EIGRP. Support and manage network access control and wireless solutions to maintain secure connectivity and consistent access policies. Configure and maintain cloud network services and hybrid integrations between on‑premises and cloud environments. Implement and maintain strong network segmentation and security controls, partnering with the cybersecurity team to align with corporate policies, standards and industry best practices. Collaborate with managed service providers for operations, incident resolution, and project execution. Conduct capacity planning, performance optimization, and proactive risk mitigation. Maintain accurate network documentation, diagrams, and change management records. Evaluate and recommend emerging technologies to improve reliability, performance, and security. Additional duties as assigned. What You Will Bring 8-10 years of experience in network administration, design, and security. Proven hands‑on experience with next‑generation firewall platforms, SD‑WAN, and enterprise routing/switching technologies. Strong understanding of network security, segmentation, and zero‑trust principles. Experience with access control systems, wireless infrastructure, and cloud networking. Familiarity with hybrid IT/OT environments, working closely with OT teams to support secure connectivity and network alignment. Proficiency with key network protocols (IPv4/IPv6, DNS, DHCP, VPNs) and diagnostic tools such as Wireshark. Certifications such as PCNSE (Palo Alto Networks Certified Network Security Engineer), CCNP Enterprise/Security, or equivalent are highly desirable. Additional credentials in cloud networking or cybersecurity (e.g., Azure Network Engineer Associate, CISSP, Security+) are considered assets. Excellent analytical, troubleshooting, and communication skills, with the ability to collaborate effectively across cybersecurity and infrastructure teams. Working Conditions Primarily office‑based, with occasional travel to field or remote sites. This job is subject to background checks as outlined in Gibson Energy’s Background Checks policy. Background checks may include: employment history verification, reference checks, education and/or credentials verification, credit checkand a criminal history check. Why You’ll Love Working at Gibson A competitive Total Rewards package that truly values your contributions. Employer contributions to your DC Pension because we believe in your future. Comprehensive health, dental & vision benefits, with industry-leading coverage for mental health and family planning — ensuring you and your loved ones thrive. Generous time off to rest, recharge and live life to the fullest. An incredible work environment and culture where your career development and advancement are prioritized every step of the way. A flexible hybrid work setup, empowering you to balance work and life seamlessly. Gibson Energy Inc. (“Gibson” or the “Company”) is a diversified North American energy infrastructure company headquartered in Calgary, Alberta. They have significant terminal assets, including 25 million barrels of storage and over 300 miles (500 kilometres) of crude pipelines across North America. The company has been providing market access to the oil and gas industry for over 70 years and is publicly traded on the Toronto Stock Exchange (TSX:GEI) with a market capitalization of approximately $4 billion. Gibson Energy operates through two main segments: Infrastructure: This includes terminals, marine loading, rail loading and unloading facilities, gathering pipelines, a diluent recovery unit, and a crude oil processing facility. Key facilities within this segment include the Hardisty, Edmonton, and Ingleside Terminals, as well as gathering pipelines in the United States and a crude oil processing facility in Moose Jaw, Saskatchewan. Marketing: This involves the purchasing, selling, storing, and optimizing of hydrocarbon products. Gibson Energy has a strong presence in the United States, due to the acquisition of the Gateway Terminal in Ingleside, Texas. This terminal is a world-class liquids terminal and export facility with very large crude carrier (VLCC) capabilities and direct pipeline connections to key basins like the Permian and Eagle Ford. The acquisition strengthens Gibson's cash flow with over 95% of the revenue under take‑or‑pay contracts with high-quality counterparties. Our Values, The Gibson Way The Gibson Way is how we succeed together. We believe in the power of both ‘We’ (collectively working together) and “I” (contributing individually) to achieve our shared goals. The ‘We & I’ play a very important role in our success Contribute & Add Value Everyday Keep Our Edge & Be Resilient Stay Focused & Open-Minded Work it Out & Do it Together This is what we are all about and we encourage you to learn more The Gibson Way #J-18808-Ljbffr