Infrastructure Engineer

Sterling Crane Canada

As a part of the global industrial organization Marmon Holdings—which is backed by Berkshire Hathaway—you’ll be doing things that matter, leading at every level, and winning a better way. We’re committed to making a positive impact on the world, providing you with diverse learning and working opportunities, and fostering a culture where everyone’s empowered to be their best.

Support global infrastructure while lifting your career to new heights! At Marmon Crane Services (MCS), we are seeking a hands-on Infrastructure Engineer – Network Focus to strengthen our hybrid IT environment.

This role is responsible for the design, implementation, and support of both enterprise networking and core infrastructure systems, ensuring secure connectivity, high availability, and reliable performance across our operations in Canada, the US, and Australia.

Reporting to the Sr. Manager of IT Infrastructure & Security – Global, the successful candidate will take ownership of networking services while also contributing to infrastructure projects and modernization initiatives. This role will collaborate closely with infrastructure peers, security teams, and vendors to manage multi-site networks, integrate cloud and on-premises environments, and ensure operational continuity.

Within our global IT team, the Infrastructure Engineer – Network Focus plays a vital role in safeguarding uptime, reducing organizational risk, and enabling MCS’s hybrid cloud strategy.

Location: Edmonton, AB - Hybrid Role (Flexible onsite schedule).

Working Hours: 8:00 AM – 5:00 PM MST, Monday to Friday (40 hours/week).

This role’s core working hours are aligned with North American operations. However, flexibility is expected to accommodate periodic oversight and coordination with Australian operations.

Experience Required: Senior Infrastructure professional (5-8 years demonstrated work experience).

Key Responsibilities

Network Operations & Architecture

• Design, implement, and maintain enterprise network infrastructure, including LAN, WAN, SD-WAN, VPN, and wireless, to ensure seamless connectivity across multiple geographies.

• Configure and optimize Cisco Meraki, Fortinet, and Ubiquiti/UniFi devices, ensuring performance, security, and scalability.

• Manage cloud networking components in Azure and AWS, including Virtual Networks, ExpressRoute, VPN Gateway, VPCs, and security groups.

• Perform ongoing monitoring, analysis, and capacity planning to proactively address bottlenecks and future growth.

• Drive continuous improvement initiatives, including network segmentation, VLAN optimization, and advanced routing.

• Work with carriers and ISPs to provision and optimize circuits for branch and data center connectivity.

• Support VOIP and telecom systems, including setup, configuration, and troubleshooting of enterprise voice and mobility solutions.

Infrastructure & Systems Support

• Administer and maintain on-premises Microsoft technologies such as Windows Server, Active Directory, and SQL Server.

• Support hybrid cloud environments by designing, deploying, and managing Azure and AWS solutions, including virtual machines, storage, and backup services.

• Assist with infrastructure modernization projects, including server and virtualization platform migrations, storage refreshes, and backup modernization (e.g., Veeam).

• Integrate network services with systems infrastructure to ensure reliability and security for critical applications.

• Provide advanced troubleshooting for escalated server, storage, and network incidents to minimize downtime.

• Collaborate with application teams to design secure and reliable connectivity for enterprise systems.

Security & Compliance

• Configure and maintain firewall rules, routing policies, and access controls to safeguard critical data and systems.

• Implement best practices in network and infrastructure security, including segmentation, multi-factor authentication (MFA), and least privilege access.

• Work with cybersecurity teams to monitor and respond to threats, coordinate vulnerability remediation, and support endpoint and email security platforms (Abnormal and Proofpoint).

• Conduct regular reviews of network logs and alerts, ensuring emerging threats are detected and addressed quickly.

• Support periodic penetration testing and security assessments by providing infrastructure knowledge and implementing remediation steps.

Disaster Recovery & Continuity

• Develop, document, and maintain disaster recovery strategies for both network and infrastructure systems.

• Implement redundancy measures, such as secondary circuits, clustered firewalls, and replicated storage systems, to minimize risk.

• Test and validate failover and recovery processes for business-critical systems to ensure operational resilience.

• Participate in regular tabletop and live DR exercises, ensuring lessons learned are captured and applied.

• Collaborate with business stakeholders to align IT continuity strategies with operational requirements.

Documentation & Knowledge Sharing

• Create and maintain comprehensive documentation for network and infrastructure configurations, including diagrams, standards, and operational procedures.

• Mentor team members by sharing knowledge and providing guidance on troubleshooting and system management.

• Build and maintain a centralized knowledge base of troubleshooting steps, “how-to” guides, and FAQs for the IT team.

• Ensure networking and infrastructure practices are aligned with enterprise governance standards and repeatable processes.

• Foster a culture of continuous learning and collaboration across the IT team by contributing to workshops and peer training sessions.

Qualifications

• Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent experience).

• 5-8 years of experience in enterprise networking and infrastructure administration.

• Certifications such as CCNP, Fortinet NSE, AWS Solutions Architect, Azure Networking, MCSA/MCSE, or ITIL v4 are considered an asset.

• Strong expertise with Cisco Meraki, Fortinet, Ubiquiti/UniFi, and Azure networking solutions.

• Proficiency in routing, switching, DNS, DHCP, TCP/IP, and VPN technologies.

• Experience with Microsoft Azure, AWS, Windows Server, and Active Directory.

• Knowledge of virtualization platforms, modern backup solutions, and enterprise storage administration.

• Experience with VOIP and telecom setup, configuration, and support are considered an asset.

• Excellent troubleshooting, problem-solving, and analytical skills.

• Strong communication skills with the ability to collaborate across IT, business, and vendors.

• An equivalent combination of education and experience may be considered.

Technical Expertise and Skills:

• Demonstrated expertise in enterprise networking technologies: Cisco Meraki, Fortinet, Ubiquiti/UniFi (firewalls, switches, APs).

• Strong understanding of network protocols (TCP/IP, DNS, DHCP, VLANs, VPNs, QoS).

• Experience with cloud platforms: Microsoft Azure and AWS (networking, VMs, storage, security).

• Proficiency in Windows Server, Active Directory, and Group Policy administration.

• Familiarity with enterprise storage solutions (SAN, iSCSI, RAID).

• Experience supporting VOIP and telecom systems, including enterprise voice and mobility solutions.

• Exposure to security tools and practices, including email and endpoint security.

• Strong troubleshooting and performance analysis skills across network and infrastructure layers.

• Ability to document technical designs, diagrams, and SOPs for operational handoff.

IMPORTANT: 

• As a security sensitive position, it is a condition of employment that candidates successfully pass pre-employment testing that may include a pre-employment criminal background check.  

• We thank all applicants for their interest; however, only candidates who are shortlisted will be contacted. 

CLOSING DATE: October 1st, 2025. 

Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law.

Why Join Us?

This role will contribute to Marmon’s global IT modernization initiatives, ensuring consistency across regions. As an Infrastructure Engineer – Network Focus, you will play a critical role in delivering secure connectivity, ensuring business continuity, and supporting our hybrid cloud roadmap.

We are committed to investing in our people this role provides opportunities for professional growth, certifications, and advancement within infrastructure and network leadership.

Our Business

At Sterling Crane, we pride ourselves on “lifting the weight off of your shoulders, safely;” a mission we have pursued with our clients and staff for over 70 years in Canada. We also pride ourselves on being part of the global industrial organization Marmon Holdings – which is backed by Berkshire Hathaway. With the support of Marmon, we are achieving our mission while doing things that matter, leading at every level and winning a better way - everyday. Join us!

Learn more about Sterling Crane: Crane Rental and Services - 27 Locations throughout Canada and the USA (sterlingcrane.com).

Learn more about Marmon: Marmon Holdings | Engineering Solutions for Global Challenges.

Following receipt of a conditional offer of employment, candidates will be required to complete additional job-related screening processes as permitted or required by applicable law.