Senior Cloud Network Engineer

Crescendo Technology; Toronto; On-site; CAD 120,000 - 180,000; Full time

Job summary

Crescendo Technology, based in Toronto, seeks a Senior Cloud Network Engineer to design, implement, and manage global cloud and on-prem networks. You will work hands-on across Azure and AWS, planning migrations while ensuring security, performance, and reliability.

The role emphasizes collaboration with IT, Security, and DevOps teams and requires staying ahead of cloud networking trends and best practices.

Qualifications

• 10+ years in senior network engineering roles.
• 5+ years in AWS/Azure cloud networking.
• 3+ years managing load balancers (Nginx, AWS ELB, Azure LB).
• Proven large-scale network migrations (on-prem to cloud).
• Strong firewall, VPN, routing, switching and security design.

Responsibilities

• Architect and optimize network infrastructure across Azure and AWS.
• Ensure performance, security, and availability of on-prem and cloud networks.
• Identify and troubleshoot network issues to minimize downtime.
• Lead large-scale network migrations including datacenter relocations.
• Deploy and manage Nginx, AWS ELB, Azure Load Balancer for traffic distribution.
• Plan disaster recovery and respond rapidly to failures.
• Use network monitoring tools to optimize performance and scalability.
• Collaborate with IT, Security, and DevOps for integrated networking solutions.
• Design security best practices for cloud and on-prem environments.
• Keep abreast of trends and new technologies in cloud networking.

Skills

AWS

Azure

Load Balancers

Network Migrations

Firewalls

VPNs

High Availability

Troubleshooting

Documentation

Cross-Functional Collaboration

Education

ANS-C01 (AWS Certified Advanced Networking - Specialty)

RHCE

LPIC-1

LPIC-2

CCIE or Fortinet Certified Professional

(ISC) CISSP or CCSP - asset

Tools

Nginx

AWS ELB

Azure Load Balancer

Job description

About us:
Based in Toronto, Crescendo Technology is a research and IT firm providing software, research, and technical services to blue-chip clients in the online entertainment space. We work with global partners to deliver the highest level of technological support for our customers and their customers.

Role Overview
We are seeking a highly skilled Senior Cloud Network Engineer to design, implement, and manage our worldwide cloud and on-prem network infrastructure. This is a hands-on technical role that requires a deep understanding of cloud networking in Azure and AWS, large-scale network migrations, and proactive problem-solving. You will be instrumental in ensuring the security, performance, and reliability of our global cloud and hybrid environments.

This role offers an exciting opportunity to work on cutting-edge technologies, contribute to high-impact projects, and collaborate with a team of industry experts.

Key Responsibilities

• Architect, implement, and optimize network infrastructure across Azure and AWS cloud environments, focusing on Nginx, Azure, and AWS load balancers.
• Ensure optimal performance, security, and availability of on-premises and cloud network infrastructures.
• Proactively identify and troubleshoot network issues to minimize downtime and maximize performance.
• Lead and execute large-scale network migrations, including datacenter relocations, physical-to-virtual transitions, and cloud transformations.
• Deploy and manage load balancers (Nginx, AWS ELB, Azure Load Balancer) to optimize traffic distribution and ensure high availability.
• Ensure robust disaster recovery operations, including proactive planning and rapid response to critical network failures.
• Utilize advanced network monitoring and analysis tools to optimize performance and enhance scalability.
• Collaborate with cross-functional teams including IT, Security, and DevOps to ensure seamless integration of cloud and on-premises networking solutions.
• Design and implement security best practices for both cloud and on-premise environments, including network segmentation, firewalls, and intrusion detection.
• Stay ahead of industry trends by continuously researching emerging technologies, best practices, and innovations in cloud networking.

Required Qualifications

• 10+ years of experience in senior network engineering roles.
• 5+ years of hands-on experience with AWS and Azure cloud networking.
• 3+ years of experience managing and optimizing load balancers (Nginx, AWS ELB, Azure Load Balancer).
• Proven track record of executing large-scale network migrations across diverse environments (on-prem to cloud, datacenter moves, physical to virtual).
• Expertise in firewalls, VPNs, routing, switching, network security, and high-availability architecture.
• Strong analytical and troubleshooting skills to quickly diagnose and resolve complex network issues.
• Ability to work independently and collaboratively in a team-oriented, fast-paced environment.
• Exceptional documentation and communication skills to articulate network designs and troubleshooting processes.

Education & Certifications

• ANS-C01 (AWS Certified Advanced Networking - Specialty) - preferred.
• Preferred at least one of:
  • Red Hat Certified Engineer (RHCE),
  • LPIC-1,
  • LPIC-2.
• CCIE or Fortinet Certified Professional in Network Security - would be an asset.
• Security Certifications like: CISSP (ISC)², CCSP (ISC)² - would be an asset.

This role requires candidates to have their core working hours aligned with business operations in either Europe or North America, depending on assignment. Successful candidates must be able to work within these time zones to support regional offices, ensure effective collaboration, and provide timely operational support. Flexibility may be required for occasional meetings or critical incidents outside of core hours.

Equal Opportunity Employer

We are an equal opportunity employer dedicated to fostering an inclusive and diverse workplace. We prioritize hiring the best candidates based on their skills and qualifications, irrespective of race, gender, age, religion, or any other characteristic. Our strength lies in our diverse teams, and we proudly celebrate and empower everyone to embrace and promote diversity throughout their time with us.

AI Usage

As part of our recruitment process, the Company may use technology-assisted tools, including AI-based systems, to support the review and assessment of applications. These tools are used to assist our team and do not make final decisions. All screening, interviewing, and hiring decisions are made by our recruitment and hiring team.

Agency Disclaimer

To all recruitment agencies – the Company does not accept agency resumes. Please do not forward resumes to our jobs alias, the Company employees or any other organization location. The Company is not responsible for any fees related to unsolicited resumes.