1

Senior Core Network Engineer Jobs in Ontario (NOW HIRING)

You'll work closely with engineers, architects, product teams and senior stakeholders to deliver secure, high-performing network services, contributing to the design and continuous improvement of our ...

You'll work closely with engineers, architects, product teams and senior stakeholders to deliver secure, high-performing network services, contributing to the design and continuous improvement of our ...

You'll work closely with engineers, architects, product teams and senior stakeholders to deliver secure, high-performing network services, contributing to the design and continuous improvement of our ...

You'll work closely with engineers, architects, product teams and senior stakeholders to deliver secure, high-performing network services, contributing to the design and continuous improvement of our ...

For more information, follow Telesat on X and LinkedIn or visit www.telesat.com The Cloud Network Engineer will assist with the planning, building and operation of Cloud-based infrastructure. They ...

Global Network Engineer

Mississauga, ON · On-site

CA$96K - CA$129K/yr

Reporting to our Senior Manager, Global Network and Communications, we are currently looking for a Global Network Engineer to lead the design, testing, and initial deployment of network, security ...

Overview The Senior Optical Engineer will be responsible for the design, verification, and manufacturing support of pluggable optical transceiver modules used in datacenter, metro, and core network ...

Senior Network Consultant

Toronto, ON · On-site

CA$80K - CA$105K/yr

As a member of the Long View team, you'll see how our company's core pillars - Integrity ... We are looking for an energetic and client-orientated Senior Network Consultant for our Toronto ...

Work with senior engineers to define network security requirements for current and future state end ... Core business hours are Monday to Friday, between 9:30-3:00pm. Specific work schedule and expected ...

... core infrastructure services. This role combines advanced operational ownership with active ... Solid networking knowledge, including DNS, DHCP, TCP/IP, routing concepts, firewalls, certificates ...

Showing results 21-40

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

Retirement

Posted 10 days ago


Key responsibilities

  • Design, build, and evolve network technologies that support the cloud ecosystem.

  • Collaborate with engineers, architects, and stakeholders to deliver secure, high-performing network services.

  • Support infrastructure modernization through automation, security, and reliability initiatives.


Job description

End Date

Monday 07 September 2026

Salary Range

48,987 - 54,430

We support flexible working - click here for more information on flexible working options

Flexible Working Options

Hybrid Working, Job Share

Job Description Summary

.

Job Description

JOB TITLE: Private Cloud - Network Engineer

SALARY: 48,987 - 54,430

LOCATION(S): Manchester and Leeds

HOURS: Full time (Please note that participation in an escalation on call rota is also a requirement of this role)

WORKING PATTERN: Hybrid, 40% (or two days) in one of the above office locations

What you'll be doing

We're transforming the way we deliver technology, building cloud platforms that are secure, resilient and seamless for our customers, while creating a modern, efficient and sustainable engineering experience for our colleagues.

As part of this transformation, we're looking for a Network Engineer to join our Private Cloud Platform team. This is an exciting opportunity to help shape the future of network infrastructure at Lloyds Banking Group, supporting our ambition to become the UK's leading FinTech.

You'll play a key role in designing, building and evolving the network technologies that underpin our cloud ecosystem. Working in a collaborative, engineering-led environment, you'll help drive our infrastructure modernisation agenda, championing automation, security and reliability at every stage. Through infrastructure-as-code and automation-first practices, you'll help reduce manual effort, enable safe and repeatable change, and deliver platforms that can scale to meet the needs of our customers and colleagues.

You'll work closely with engineers, architects, product teams and senior stakeholders to deliver secure, high-performing network services, contributing to the design and continuous improvement of our cloud platforms. Whether you're solving complex technical challenges, influencing future platform direction or helping teams adopt standard process, you'll have the opportunity to make a real impact.

Along the way, you'll collaborate with colleagues across the organisation and external partners, contribute to infrastructure roadmaps, support risk and security initiatives, and help ensure our platforms remain resilient and future-ready. You'll also have the opportunity to share your expertise, mentor others and help grow engineering capability across the wider team.

Working in an agile environment, you'll take ownership of your work, use modern engineering tools and practices, and play a hands-on role in delivering the next generation of cloud and network services.

Why join us?

We're on an exciting journey to transform our Group and the way we're shaping finance for good. We're focusing on the future, investing in our technologies, workplaces, and colleagues to make our Group a great place for everyone.

What we're looking for

  • Proven experience as a Network Engineer with expertise in cloud environments.

  • Expert knowledge of Networking technologies and services (NSX, VXLAN, ACI, BGP)

  • Strong troubleshooting skills and support experience with network technologies and tools.

  • Strong experience in writing technical design documents.


Any experience of these would be really useful:

  • Familiarity with cloud platforms such as Azure, AWS and Google Cloud.

  • Experience in developing, maintaining and supporting networks in NSX.

  • Good understanding and familiarity with automation tooling; Terraform, Ansible, Github.

  • Monitoring the automation of network deployment and configuration.

  • Good understanding of VXLAN/Geneve technologies.

  • Good understanding of VMware virtual infrastructure.

  • Experience of Service Design & associated methodologies.

  • Excellent problem-solving and communication skills.

  • Experience of large scale data migrations.


This is a place for you

Our ambition is to be the leading UK business for diversity, equity and inclusion supporting our customers, colleagues and communities and we're committed to creating an environment in which everyone can thrive, learn and develop.

We were one of the first major organisations to set goals on diversity in senior roles, create a menopause health package, and a dedicated Working with Cancer Initiative.

We offer reasonable workplace adjustments for colleagues with disabilities, including flexibility in office attendance, location and working patterns. And, as a Disability Confident Leader, we guarantee interviews for a fair and proportionate number of applicants who meet the minimum criteria for the role with a disability, long-term health or neurodivergent condition through the Disability Confident Scheme.

We provide reasonable adjustments throughout the recruitment process to reduce or remove barriers. Just let us know what you need.

We also offer a wide-ranging benefits package, which includes:

  • A generous pension contribution of up to 15%

  • An annual performance related bonus

  • Benefits you can adapt to your lifestyle, such as discounted shopping

  • 28 days' holiday, with bank holidays on top

  • A range of wellbeing initiatives and generous parental leave policies

Ready to make an impact? Apply today.

At Lloyds Banking Group, we're driven by a clear purpose; to help Britain prosper. Across the Group, our colleagues are focused on making a difference to customers, businesses and communities. With us you'll have a key role to play in shaping the financial services of the future, whilst the scale and reach of our Group means you'll have many opportunities to learn, grow and develop.

We keep your data safe. So, we'll only ever ask you to provide confidential or sensitive information once you have formally been invited along to an interview or accepted a verbal offer to join us which is when we run our background checks. We'll always explain what we need and why, with any request coming from a trusted Lloyds Banking Group person.

We're focused on creating a values-led culture and are committed to building a workforce which reflects the diversity of the customers and communities we serve. Together we're building a truly inclusive workplace where all of our colleagues have the opportunity to make a real difference.