Senior Network Administrator

Senior Network Administrator
Location: Calgary Head Office
Full Time Permanent
Department:Information Services

Is this position safety sensitive:
No

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

• 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 (, 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 check and a criminal history check.

Why You’ll Love Working at Gibson

For over 70 years, Gibson has been defined by our people — those who seize opportunities and make exceptional customer service a part of everything we do. Working at Gibson is an opportunity to be part of a place where employees feel valued, supported and motivated to do their best work. Here’s what sets us apart:

• A competitive Total Rewards package that truly values your contributions.
• Employer contributions to your DC Pension because we believe in your…