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Senior Core Network Engineer Jobs in Ontario (NOW HIRING)

Reporting to a Senior Manager, Global Network Engineering - Design, as a Senior Network Engineer ... You possess a strong core foundation experience in fundamental network technologies and protocols.

Senior Network Engineer responsibilities include managing and optimizing in-house and cloud-based networks, developing and implementing network security protocols, and troubleshooting network issues.

Senior Network Engineer (Secret Clearance Required) Location: Ottawa We are seeking a Senior Network Engineer to support a large-scale network audit and security assurance initiative within a highly ...

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 optimize the networks that keep modern businesses running smoothly. Our client is a trusted IT solutions ...

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 optimize the networks that keep modern businesses running smoothly. Our client is a trusted IT solutions ...

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 networks that keep modern businesses running smoothly. Our client is a trusted IT solutions partner ...

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 networks that keep modern businesses running smoothly. Our client is a trusted IT solutions partner ...

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, operate, and support a complex enterprise network environment. This role requires deep expertise in ...

Sr. Core Java Developer

Toronto, ON · Hybrid

CA$120K - CA$140K/yr

Our challenge We are seeking a highly experienced and hands-on Java Developer with a strong background in Core Java, Spring Framework, and low-latency multi-threaded programming to join our dynamic ...

Senior Core Java Developer

Toronto, ON · Hybrid

CA$135K - CA$140K/yr

Our challenge We are seeking a Senior Developer with an excellent command of Java to supplement the Equities Technology / Cash & Electronic team. We invest heavily in our front office electronic ...

New

Sr. Network Engineer

Toronto, ON · Hybrid

CA$100K - CA$500K/yr

As our AI infrastructure continues to scale, we're looking for a Network Engineer to help design, deploy, and operate the networking backbone powering Tenstorrent's global AI compute infrastructure.

Manage day-to-day network engineering operations, including standards, enhancements, patches, and ... more senior and complex responsibilities. At this time, the good faith estimate of the annual ...

Network Engineer

Toronto, ON · On-site

CA$90K - CA$120K/yr

Could you be the full-time Network Engineer in Toronto, ON, we're looking for? Your future role ... Experience with network security, policies, and routing protocols (e.g., IP or SR MPLS) * Hands-on ...

Network Engineer

Toronto, ON · On-site

CA$90K - CA$120K/yr

Could you be the full-time Network Engineer in Toronto, ON, we're looking for? Your future role ... Experience with network security, policies, and routing protocols (e.g., IP or SR MPLS) * Hands-on ...

Our core values empower people to deliver great careers to one another and develop creative ... You as a Network Engineer will: * Configure and maintain Palo Alto NGFWs and manage branch and ...

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Showing results 1-20

Senior Core Network Engineer information

What is a senior core network engineer?

Senior Core Network Engineers are experienced professionals responsible for designing, implementing, managing, and optimizing the core components of an organization's network infrastructure. They focus on ensuring high availability, security, and performance of critical network systems such as routers, switches, and firewalls. These engineers often lead network projects, troubleshoot complex issues, and mentor junior staff. Their expertise is essential for maintaining seamless connectivity and supporting business operations.

What skills and qualifications are needed to be a senior core network engineer?

To thrive as a Senior Core Network Engineer, you need in-depth knowledge of network architecture, routing and switching protocols, and a degree in computer science or a related field, often with several years of relevant experience. Expertise in tools and systems such as Cisco IOS, Juniper JUNOS, MPLS, BGP, OSPF, and relevant certifications like CCNP or CCIE are typically required. Strong analytical thinking, problem-solving, and effective communication skills help you excel in troubleshooting and collaborating with cross-functional teams. These skills and qualifications are crucial for ensuring reliable, high-performance network operations and supporting complex organizational needs.

What are common challenges faced by senior core network engineers, and how can they be addressed?

Senior Core Network Engineers often encounter challenges such as managing complex network architectures, ensuring minimal downtime during upgrades, and addressing security vulnerabilities in real time. Staying current with rapidly evolving technologies and vendor solutions is crucial to maintaining network performance and security. To address these challenges, engineers typically collaborate closely with cross-functional teams, participate in ongoing training, and implement robust change management processes to ensure seamless network operations.

What is the difference between Senior Core Network Engineer vs Network Operations Center (NOC) Engineer?

AspectSenior Core Network EngineerNetwork Operations Center (NOC) Engineer
CertificationsCCNP, CCIE, Cisco certificationsCompTIA Network+, Cisco CCNA
Work EnvironmentDesign, implementation, and troubleshooting core network infrastructureMonitoring, incident response, and network maintenance
Employer & Industry UsageTelecom, large enterprises, ISPsService providers, enterprise networks, managed service providers

The Senior Core Network Engineer focuses on designing and maintaining core network infrastructure, requiring advanced certifications and technical expertise. In contrast, a NOC Engineer primarily monitors network performance, responds to incidents, and ensures network uptime. Both roles are vital in network operations but differ in scope and responsibilities.

What are the most commonly searched types of Core Network Engineer jobs in Ontario?

The most popular types of Core Network Engineer jobs in Ontario are:

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

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

Infographic showing various Senior Core Network Engineer job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 17% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.

Full-time

Medical, Retirement, PTO

Re-posted 26 days ago


Job description

Requisition ID: 265504 
Join a purpose driven winning team, committed to results, in an inclusive and high-performing culture.

The Team:

The Global Network Engineering - Design team is responsible for maintaining the software and hardware standards for network, enterprise telephony and contact center technologies. Working closely with the architecture team we are engaged in developing the platforms roadmaps, participate in the Proof Of Concept and responsible for the production pilot of new technologies. We provide the solution designs and work closely with all global regions to maintain common strategies and service methodologies. The team is engaged in all major projects and complex initiatives providing technical oversight and guidance to ensures all standards and patterns are followed.

The Role:

Reporting to a Senior Manager, Global Network Engineering - Design, as a Senior Network Engineer you will play a critical part in helping the team support the various technologies within our Global Network. 

Is this role right for you? In this role you will:

  • You are eager to work with leading edge technologies to incorporate complex network solutions, as well as work with other technology teams to contribute to an overall solution.
  • You thrive on being hands-on during mid to complex project deployments into production. This will include the support of assigned systems by acting as an internal consultant on assigned infrastructure and providing suggestions for viable solutions to systems problems of high complexity.
  • Leads, reviews, and consults on solutions & designs for assigned tasks. Provides recommendations for enhancements and improvements. Design, test, implementation and troubleshooting for large size of I&O environment
  • Act as a consultant and subject matter expert for Global Network Services, support teams to resolve technical deployment obstacles and improve network services
  • Publish Standards , bug reviews, best practices
  • Manage vendor relationship
  • Understand Global Networks operation issues and customer challenges , advocate for their needs with cross-functional teams like architecture, application, and operation teams
  • Develop network technology roadmap and seek for the approval
  • Mentors and coaches' others in assigned area, transferring subject matter expertise to others
  • Perform new network product evaluation(i.e. POC) and produce report and recommendation independently, develop network solution architecture standard documents and seek the approval
  • Recognized as having advanced technical knowledge within network domains
  • Good communicator with ability to interact with various departments up to Director level
  • Works  independently and able to provide technical guidance to junior team members, create best practices,  recognize patterns for improvement and champion for improvement, guided by policies, operating plans and priorities
  • You understand how the Bank's risk appetite and risk culture should be considered in day-to-day activities and decisions.
  • You are highly interested in software-defined Data Centre technologies like Cisco ACI and VMWare NSX and want to help drive the roadmap and adoption within a large-scale enterprise network.

Do you have the skills that will enable you to succeed in this role? We'd love to work with you if you have:

 

  • You have 7+ years of hands-on technical working experience in supporting, deploying, and interconnecting various network technologies at an enterprise scale.
  • You have 7+ years of hands-on technical working experience with various Cisco, Fortinet, F5, Infoblox at an enterprise level capacity:
      • Cisco Routing, Switching & Arista
        • Nexus ACI/N9K Solutions
        • Cisco ISR, ASR, Catalyst 8000 Routers
        • Catalyst 9K
        • Routing protocols BGP, OSPF
      • Cisco Security/VPN
        • ASA/FTD Firewalls
        • Cisco FMC
      • Fortinet
        • FortiGate Firewalls
        • Forti Manager/Collector/Analyzer
      • F5 LTM/GTM
      • Infoblox DNS/DHCP and IPAM
  • You have hands on technical working experience with Cisco ACI, or similar software defined technologies.
  • You have 2+ years of hands-on technical working experience with various Public Cloud (Azure & GCP preferred) environments, in a network related capacity.
  • You have 5+ years of hands-on technical working experience with Wired and Wireless 802.1x Network Authentication using Cisco ISE.
  • You have 2+ years of hands-on experience in network automation with some of the below skill sets:
  • Python experience
  • Familiar with some of the following libraries (flask-restful, flask blueprint, netmiko/paramiko/napalm, requests, regular expressions and json/yaml)
  • You possess superior problem solving and decision-making skills to resolve work issues with the ability to work under pressure in a dynamic environment.
  • You have strong communication (verbal/written) and good interpersonal skills to build relationships with internal and external business partners and vendors.
  • You possess a strong core foundation experience in fundamental network technologies and protocols.
  • Post-secondary education in Computer Science, Networking Technology, or related field.

What's in it for you?

 

  • While our focus is on finding someone to strengthen our team's technical bench on cloud and software defined data centre technologies, we're part of a global team with a mandate covering the entire network. As a team we can explore and work with an extensive variety of network technologies.
  • We have an inclusive and collaborative working environment that encourages creativity, curiosity, and celebrates success!
  • You'll get to work with and learn from diverse industry leaders, who have hailed from top technology companies around the world.
  • We foster an environment of innovation and continuous learning.
  • We care about our people, allowing them to design how they work to deliver amazing results.
  • We offer a competitive total rewards package, including a performance bonus, company matching programs (pension & Employee Share Ownership), generous vacation; health/medical/wellness benefits; employee banking privileges.
  • Freshly renovated with a design focus on enabling collaboration through both environment and technology.  Onsite cafeteria plus complimentary hot beverage stations in the workplace.
  • Minutes by TTC bus from Warden subway station on Line 2.  Free employee shuttle service connecting the IT campus with nearby GO stations.  Opening of the Eglinton Crosstown Light Rail Transit with the Birchmount stop by our IT campus. Office address is 2201 Eglinton Avenue East Toronto M1L 4S2 is the office location.
  • Minutes from the 401 & DVP. Free onsite & offsite employee parking with charging stations for electric vehicles onsite

#LI-Hybrid

Location(s):  Canada : Ontario : Toronto 
Scotiabank is a leading bank in the Americas. Guided by our purpose: "for every future", we help our customers, their families and their communities achieve success through a broad range of advice, products and services, including personal and commercial banking, wealth management and private banking, corporate and investment banking, and capital markets.  
At Scotiabank, we value the unique skills and experiences each individual brings to the Bank, and are committed to creating and maintaining an inclusive and accessible environment for everyone. If you require accommodation (including, but not limited to, an accessible interview site, alternate format documents, ASL Interpreter, or Assistive Technology) during the recruitment and selection process, please let our  Recruitment team know. If you require technical assistance, please click here. Candidates must apply directly online to be considered for this role. We thank all applicants for their interest in a career at Scotiabank; however, only those candidates who are selected for an interview will be contacted.