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Senior System Engineer Jobs in Hamilton, ON (NOW HIRING)

Telesat

Senior System Engineering Specialist

Ottawa, ON · On-site

Reporting to the Director, Systems Solutions, the Senior System Engineering Specialist will lead the evaluation and definition of next-generation Lightspeed system capabilities, with particular focus ...

Harris

Senior System Administrator

Ottawa, ON · On-site

CA$75K - CA$85K/yr

Diagnose and resolve complex customer infrastructure issues across server operating systems (Linux ... Familiarity with CI/CD pipeline design and DevOps practices. * Cloud certifications (Azure, AWS ...

Weir

Senior Systems Engineer

Ottawa, ON · Hybrid

Senior Systems Engineer Location: Halifax, Gatineau, Ottawa, or Montreal (LaSalle) Work Arrangement ... system requirements for RCD Information Systems. Includes organizing, preparing and leading ...

Weir Group

Senior Systems Engineer

Ottawa, ON · Hybrid

Senior Systems Engineer Location: Halifax, Gatineau, Ottawa, or Montreal (LaSalle) Work Arrangement ... system requirements for RCD Information Systems. Includes organizing, preparing and leading ...

Weir Group

Systems Engineer - NETE

Ottawa, ON · Hybrid

Senior Systems Engineer Location: Halifax, Gatineau, Ottawa, or Montreal (LaSalle) Work Arrangement: Hybrid About the role Join a high-impact team supporting the development of advanced Information ...

Weir

Systems Engineer - NETE

Ottawa, ON · Hybrid

Senior Systems Engineer Location: Halifax, Gatineau, Ottawa, or Montreal (LaSalle) Work Arrangement: Hybrid About the role Join a high-impact team supporting the development of advanced Information ...

Telesat

Senior Systems Engineer

Ottawa, ON · On-site

Work closely with stakeholders to translate mission requirements into System requirements. * Manage the development and execution of Change Requests and Change Notices that affect System Engineering ...

Bmt Inc

Senior Marine Systems Engineer

Ottawa, ON · Hybrid

CA$105K - CA$150K/yr

Job Title: Senior Marine Systems Engineer Location: Halifax, NS, Ottawa, ON, or Victoria, BC ... Work within the BMT Quality Management System (QMS) processes and procedures. * Maintain your ...

Bmt Inc

Senior Marine Systems Engineer

Ottawa, ON · Hybrid

CA$105K - CA$150K/yr

Job Title: Senior Marine Systems Engineer Location: Halifax, NS, Ottawa, ON, or Victoria, BC ... Work within the BMT Quality Management System (QMS) processes and procedures. * Maintain your ...

SRC Can

Systems Engineer

Ottawa, ON · On-site

CA$80K - CA$107K/yr

Reporting to the Senior Systems Engineer, this role will leverage Systems (and Software) Engineering skillsets to support the SRC enterprise portfolio of signals intelligence (SIGINT) and EW suite of ...

Q-Block Computing

Senior Quantum Engineer

Ottawa, ON · On-site

$120K - $160K/yr

Q-Block Computing builds quantum systems that operate in the real world. The company develops ... The Senior Quantum Engineer will serve as a technical leader in Q-Block's R&D engineering ...

Q-Block Computing

Senior Quantum Engineer

Ottawa, ON · On-site

CA$120K - CA$160K/yr

Q-Block Computing builds quantum systems that operate in the real world. The company develops ... The Senior Quantum Engineer will serve as a technical leader in Q-Block's R&D engineering ...

TSMC

Sr. HPC & IT Systems Engineer (7723)

Ottawa, ON · Remote

Overview of Role We're looking for a highly motivated Senior HPC & IT Systems Engineer to be the IT ... HPC & Cloud System Administration: Manage our large-scale HPC farm (Cloud/On-Premises), including ...

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Senior System Engineer information

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

AspectSenior System EngineerNetwork Engineer
CredentialsBachelor's in Computer Science or related, certifications like CompTIA Network+, Cisco CCNABachelor's in Computer Science, certifications like Cisco CCNA, CCNP
Work EnvironmentDesigning, implementing, and maintaining IT systems and infrastructureDesigning, deploying, and managing network infrastructure and security
Industry UsageIT, technology, enterprise environmentsTelecommunications, IT, enterprise networks
Common Search/ComparisonSenior System Engineer vs Network Engineer

While both roles require networking knowledge and certifications, Senior System Engineers focus on overall system architecture and integration, whereas Network Engineers specialize in network infrastructure and security. The roles often overlap but serve different core functions within IT teams.

What is a senior system engineer?

Senior System Engineers are experienced IT professionals responsible for designing, implementing, managing, and maintaining complex computer systems and networks within an organization. They play a critical role in ensuring the stability, security, and scalability of IT infrastructure. Their tasks often include troubleshooting system issues, optimizing performance, overseeing upgrades, and mentoring junior engineers. Senior System Engineers typically collaborate with other IT teams and departments to support business objectives and technological needs.

What are some common challenges faced by senior system engineers when managing large-scale IT infrastructure projects?

Senior System Engineers often encounter challenges such as coordinating with cross-functional teams, ensuring system scalability, and maintaining high availability during upgrades or migrations. Managing complex environments requires balancing security, performance, and compliance, all while minimizing downtime. Effective communication and proactive planning are crucial to successfully navigating these challenges and delivering robust solutions that meet organizational needs.

What are the key skills and qualifications needed to thrive as a senior system engineer, and why are they important?

To thrive as a Senior System Engineer, you need advanced knowledge of system architecture, network administration, and troubleshooting, often supported by a degree in computer science or a related field and several years of experience. Familiarity with tools like VMware, Linux/Windows servers, cloud platforms (AWS, Azure), and certifications such as CompTIA, Cisco, or Microsoft are commonly expected. Strong problem-solving, project management, and communication skills help you lead teams and handle complex technical challenges. These skills are crucial for ensuring system reliability, security, and efficient operation in dynamic IT environments.

How much money does a senior system engineer make?

A senior system engineer typically earns between $90,000 and $130,000 annually, depending on experience, location, and industry. They often have specialized skills in network infrastructure, scripting, and certifications like Cisco or Microsoft, which can influence salary levels.
What are the most commonly searched types of System Engineer jobs in Hamilton, ON? The most popular types of System Engineer jobs in Hamilton, ON are:
What cities near Hamilton, ON are hiring for Senior System Engineer jobs? Cities near Hamilton, ON with the most Senior System Engineer job openings:
Senior System Engineer jobs near you
Infographic showing various Senior System Engineer job openings in Hamilton, ON as of August 2026, with employment types broken down into 1% As Needed, 76% Full Time, 17% Part Time, 1% Temporary, and 5% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.

Senior System Engineering Specialist

Telesat

Ottawa, ON • On-site

Full-time

Re-posted 13 days ago

Job description

Telesat (Nasdaq and TSX: TSAT) is a leading global satellite operator, providing reliable and secure satellite-delivered communications solutions worldwide to broadcast, telecommunications, corporate and government customers for over 55 years.  Backed by a legacy of engineering excellence, reliability and industry-leading customer service, Telesat has grown to be one of the largest and most successful global satellite operators.

Telesat Lightspeed, our revolutionary Low Earth Orbit (LEO) satellite network, scheduled to begin service in 2027, will revolutionize global broadband connectivity for enterprise and Government users by delivering a combination of high capacity, security, resiliency and affordability with ultra-low latency and fiber-like speeds. Telesat is headquartered in Ottawa, Canada, and has offices and facilities around the world.
The company's state-of-the-art Satellite fleet consists of 12 GEO satellites, the Canadian payload on ViaSat-1 and one LEO 3 demonstration satellite.  For more information, follow Telesat on X and LinkedIn or visit www.telesat.com


Telesat is launching a state-of-the-art satellite constellation of highly advanced satellites in low-earth-orbit that will seamlessly integrate with terrestrial networks. The global network will deliver fiber quality throughput anywhere on earth.

We are growing quickly and are currently in need of Senior System Engineering Specialist to join our System Solutions team.

Reporting to the Director, Systems Solutions, the Senior System Engineering Specialist will lead the evaluation and definition of next-generation Lightspeed system capabilities, with particular focus on air-interface evolution, wireless network architecture, and advanced satellite payload capabilities. The successful candidate will perform system-level trade studies and define future architectures enabling enhanced performance, improved interoperability, support for low-cost user terminals, and integration with emerging standards such as DVB-RCS2 and 3GPP NTN, while maintaining backward compatibility with the existing constellation.

This role is a Hybrid position where the resource is required to work onsite 4 days weekly.

Responsibilities
  • Evaluate and propose optimal evolution of the overall architecture considering new waveforms (DVB-RCS2 NGSO, 3GPP NTN) and advanced payload capabilities.
  • Lead quantitative trade-space assessments evaluating capacity, latency, terminal complexity, spectrum efficiency, satellite payload complexity, interoperability, and overall system cost.
  • Develop a solution which will provide seamless handovers, backwards compatibility to first generation, maximum interoperability with other systems and facilitate the support of low-cost flat panel antennas.
  • Compare and demonstrate system performance for different technological approaches addressing commercial requirements, including low-latency, high-capacity services, hosted payload and space relay services, inter-constellation connectivity, and other emerging architectures that support new business opportunities.
  • Interface with other Telesat groups regarding system engineering, satellite payload and ground segment characteristics, definitions of performance metrics, performance evaluations, and regulatory compliance and associated requirements.
  • Develop Concept of Operations (ConOps) associated with new architectures, configurations, services, and define high level requirements for the implementation.
  • Support and guide detailed system performance studies around PHY/MAC evolution, scheduling/resource allocation, mobility procedures, and link adaptation.
  • Prepare and manage feature development roadmap in collaboration with commercial and engineering teams.
  • Develop technical documentation and reports.
  • Prepare and deliver high-quality technical presentations supporting the delivery of solutions.
Education and Experience required
  • B. Sc. in Electrical, Computer or System Engineering and a minimum of 14 years of relevant experience in satellite communications or other large communication systems.
  • Deep understanding of wireless communications theory and air-interface design.
  • Experience with 3GPP NTN and/or DVB standards.
  • Experience performing link-level and system-level trade-off analyses.
  • Experience with modeling and simulation tools used for wireless or satellite system performance evaluation.
  • Good understanding of architecture of large wireless communication systems in terms of mobility management, QoS, resource orchestration, and network access control.
Additional Skills required
  • Knowledge of spectrum sharing, interference management, and regulatory constraints for NGSO systems.
  • Understanding of LEO constellation dynamics and their impact on radio resource management.
  • Creative problem-solver with thorough attention to detail.
  • Highly collaborative team-player who can quickly earn the confidence of co-workers and teammates.
  • Excellent oral and written communication skills.
  • An aptitude for and interest in complex technology.
  • Fluent in English, written and oral.
  • Some travel may be required.
#LI-TL1

At Telesat, we take pride in being an equal opportunity employer that values equality in the workplace.   We are committed to providing the best candidate experience possible including any required accommodations at every stage of our interview process.   All qualified applicants that have been selected for an interview that require accommodations, are advised to inform the Telesat Talent team accordingly.  We will work with you to meet your needs.   All accommodation information provided will be treated as confidential.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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