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Senior Network Operations Engineer Jobs in Ontario

NTT Ltd.

Senior Network Engineer

Toronto, ON · Hybrid

The primary goal of the Senior Network Engineer is to ensure the smooth operation of the network infrastructure to provide maximum performance and availability for the system users. This position is ...

STACK IT Recruitment

Senior Network Engineer

London, ON · Hybrid

CA$100K - CA$120K/yr

We're looking for a technically skilled Senior Network Engineer to design, secure, and optimize the ... You care deeply about performance, data security, and operational excellence. Work Type * Location:

STACK IT Recruitment

Senior Network Engineer

Windsor, ON · Hybrid

CA$100K - CA$120K/yr

We're looking for a technically skilled Senior Network Engineer to design, secure, and optimize the ... You care deeply about performance, data security, and operational excellence. Work Type * Location:

STACK IT Recruitment

Senior Network Engineer

Windsor, ON · On-site

CA$100K - CA$120K/yr

???? We're looking for a technically skilled Senior Network Engineer to design, secure, and ... You care deeply about performance, data security, and operational excellence. ???? Work Type

STACK IT Recruitment

Senior Network Engineer

London, ON · On-site

CA$100K - CA$120K/yr

???? We're looking for a technically skilled Senior Network Engineer to design, secure, and ... You care deeply about performance, data security, and operational excellence. ???? Work Type

Akkodis

Network Engineer

Ottawa, ON

Senior Network Engineer (Secret Clearance Required) Location: Ottawa We are seeking a Senior ... Contribution to improved security posture and operational resilience

Scotiabank

Senior Network Engineer

Toronto, ON · On-site

Reporting to a Senior Manager, Global Network Engineering - Design, as a Senior Network Engineer ... Understand Global Networks operation issues and customer challenges , advocate for their needs with ...

Moneris

Senior Network Administrator

Toronto, ON · Hybrid

CA$106K - CA$135K/yr

Senior Network Administrator Your Moneris Career - The Opportunity The Senior Network Administrator ... Knowledge of SD-WAN, network automation, AI-driven operations, and scripting languages.

Definity Financial

Senior Network Engineer

Toronto, ON · Hybrid

CA$69K - CA$119K/yr

The Opportunity We are seeking a highly experienced Senior Network Engineer to design, implement ... operational efficiency What you Bring * 8+ years of hands-on experience in enterprise network ...

Tenstorrent

Sr. Network Engineer

Toronto, ON · Hybrid

CA$100K - CA$500K/yr

Collaborate with hardware, platform, DevOps, and infrastructure teams to support new cluster deployments, network expansions, and performance optimization. * Build scalable, secure, and highly ...

Cority Software

Sr. DevOps Engineer

Toronto, ON

To learn more, visit www.cority.com POSITION SUMMARY The Sr. DevOps Engineer will work ... System Provisioning, Monitoring/Alerting, Network Configuration, Administration of Linux, Windows ...

MarkiTech

Senior Cloud / Platform Engineer) About the role We are hiring a senior DevOps engineer to own and ... networking, identity, secrets, and data. * AI adoption for infra & platform: Drive a pragmatic AI ...

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All JobsNetwork Operations Engineer JobsSenior Network Operations Engineer JobsSenior Network Operations Engineer Jobs in Ontario

Senior Network Operations Engineer information

See Ontario salary details

$42

$63

$84

How much do senior network operations engineer jobs pay per hour?

As of Aug 30, 2026, the average hourly pay for senior network operations engineer in Ontario is $63.80, according to ZipRecruiter salary data. Most workers in this role earn between $51.20 and $75.24 per hour, depending on experience, location, and employer.

What does a senior network operations engineer do?

A Senior Network Operations Engineer is responsible for overseeing the daily operation, maintenance, and optimization of an organization's computer networks. Their duties often include monitoring network performance, troubleshooting issues, implementing upgrades, and ensuring the security and reliability of network infrastructure. They also collaborate with other IT teams, manage network-related projects, and may supervise junior staff. Typically, they play a key role in designing network solutions and responding to incidents to minimize downtime. Senior Network Operations Engineers are crucial for maintaining high network availability and supporting business operations.

What are the key skills and qualifications needed to thrive as a senior network operations engineer?

To thrive as a Senior Network Operations Engineer, you need deep expertise in network protocols, troubleshooting, and infrastructure management, often backed by a bachelor's degree in a related field and certifications such as CCNP or equivalent. Proficiency with tools like Cisco IOS, Juniper, network monitoring systems (e.g., SolarWinds), and scripting languages for automation is typically required. Strong analytical thinking, problem-solving, and effective communication skills set top performers apart in this role. These capabilities are critical for ensuring network reliability, minimizing downtime, and enabling seamless business operations.

What are some common challenges faced by a senior network operations engineer during large-scale network upgrades?

Senior Network Operations Engineers often encounter challenges such as minimizing downtime, coordinating across multiple teams, and ensuring compatibility with existing infrastructure during large-scale network upgrades. They are responsible for carefully planning and executing changes, often during off-peak hours, to reduce business impact. Effective communication, thorough documentation, and robust testing protocols are essential in overcoming these challenges and ensuring a smooth transition.

What is the difference between Senior Network Operations Engineer vs Network Engineer?

AspectSenior Network Operations EngineerNetwork Engineer
CertificationsCCNP, CCIE, Cisco certificationsCCNA, CompTIA Network+
Work EnvironmentData centers, large enterprise networks, service providersCorporate offices, small to medium networks, IT departments
ResponsibilitiesOverseeing network performance, troubleshooting complex issues, implementing upgradesDesigning, configuring, and maintaining network infrastructure

The main difference between a Senior Network Operations Engineer and a Network Engineer lies in their scope of responsibilities and experience level. Senior Network Operations Engineers typically handle more complex issues, oversee network performance at an enterprise level, and often possess advanced certifications. Network Engineers focus on designing and maintaining network systems, often at a smaller scale. Both roles are essential in maintaining robust network infrastructure, but the senior role involves more strategic oversight and troubleshooting expertise.

What cities in Ontario are hiring for Senior Network Operations Engineer jobs?

Cities in Ontario with the most Senior Network Operations Engineer job openings:

Infographic showing various Senior Network Operations Engineer job openings in Ontario as of August 2026, with employment types broken down into 84% Full Time, 14% Part Time, and 2% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $132,698 per year, or $63.8 per hour.

Senior Network Engineer

NTT Ltd.

Toronto, ON • Hybrid

Full-time

Re-posted 27 days ago

Job description

Make an impact with NTT DATA
Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion - it's a place where you can grow, belong and thrive.

Position Overview:

We are seeking an experienced and talented Senior Network Engineer to join our team.

Senior Network Engineer responsibilities include managing and optimizing in-house and cloud-based networks, developing and implementing network security protocols, and troubleshooting network issues. You have extensive experience managing a hybrid network (Azure preferred) that is highly available and fault tolerant. Experience with and an expert understanding of firewalls is a must.

The primary goal of the Senior Network Engineer is to ensure the smooth operation of the network infrastructure to provide maximum performance and availability for the system users. This position is expected to be the subject matter expert and "go to" individual on the team to troubleshoot complex problems nobody else can solve.

Our ideal candidate is cool under pressure, an expert problem solver, highly motivated, a team player but also able to work independently, and is someone that is constantly looking for ways to make improvements and isn't afraid to bring those suggestions forward.

Responsibilities:
  • Design and deploy functional networks (LAN, WAN, WLAN)
  • Configure and install various network devices and services (e.g., routers, switches, firewalls, load balancer, VPN, QoS)
  • Perform network maintenance and system upgrades including service packs, patches, hot fixes, and security configurations
  • Perform cost estimation and identify mechanisms for cost control and containment
  • Monitor performance and ensure system availability and reliability
  • Monitor system resource utilization, trending and capacity planning
  • Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure
  • Select and implement security tools, policies, and procedures in conjunction with the company's security team
  • Liaise with vendors and other IT personnel for problem resolutions
  • Ensure security and compliance with policies and procedures
  • Provide technical support and troubleshooting to resolve network related issues
  • Stay updated with the latest trends in networking
  • Document and maintain network environment configurations and diagrams
  • Provide assistance and mentoring to other IT team members
Qualifications:

Must Have

  • 10+ years of experience as a Network Engineer
  • 5+ years of experience in a senior role
  • Deep understanding of network protocols (e.g., IPSEC, HSRP, BGP, OSPF, 802.11, QoS)
  • Solid understanding of the OSI or TCP/IP model
  • Hands-on experience with monitoring, network diagnostics and network analytics tools
  • Advanced troubleshooting skills
  • Experience with both on-premises and cloud (Azure preferred) networks
  • Experience deploying, managing, and troubleshooting firewalls
  • Experience deploying, managing, and troubleshooting VPN IPSEC tunnels
  • Professional certifications in networking
  • Effective communication skills (written and verbal)

Would be a Plus

  • Experience deploying, managing, and troubleshooting an IPS/IDS
  • Experience with Fortinet network devices and firewalls
  • Experience designing and managing networks to optimize VoIP traffic
  • Experience with F5 BigIP devices
  • Bachelor's degree in Computer Science, Engineering, or a relevant field

This is a home office-based position, with some travel for company/salesmeetings as well as to client sites. Flexibility to work outside of standard 9am-6pm local time zone hours may be required at times to support this global team.

Target Base Salary: $90,000K-$100,000K (based on experience) plus variable commissions.

NTT Business Process Outsourcing is an equal opportunity employer and welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.

Workplace type:

About NTT DATA
NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.

Equal Opportunity Employer
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.

Third parties fraudulently posing as NTT DATA recruiters

NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters-whether in writing or by phone-in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. If you suspect any fraudulent activity, please contact us.

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