network engineer system administrator jobs in Ottawa

Job Description GDMS-C is seeking a Systems Engineer to join our Coalition and Joint Interoperability team working to support Land Command Support System (LCSS) in Ottawa, Canada. The Land Command Support System (LCSS) is the system of systems that primarily supports the Canadian Army in operations by providing commanders with the information services...

Responsibilities for this PositionLocation: 1941 Robertson Rd, Nepean, ON K2H 5B7, CanadaEmployment Type: Fulltime-RegularCompany DescriptionBuild bold. Deliver impact. Win together.At General Dynamics Mission SystemsCanada, were not just engineering technology were shaping the future of defence and security. Our teams design and deliver advanced,...

Build bold. Deliver impact. Win together. At General Dynamics Mission Systems–Canada, we’re not just engineering technology — we’re shaping the future of defence and security. Our teams design and deliver advanced, mission‑critical solutions that enhance national security, strengthen communities, and protect the people we serve. If you’re looking...

Network systems engineering and Cisco technologies anchor this Ottawa opportunity with General Dynamics Mission Systems-Canada’s defence programs.This junior Systems Engineer supports the Coalition and Joint Interoperability team working with the Land Command Support System. The work focuses on IP networks, VLAN architectures, Cisco devices, VoIP...

Build bold. Deliver impact. Win together. At General Dynamics Mission Systems-Canada, we're not just engineering technology - we're shaping the future of defence and security. Our teams design and deliver advanced, mission-critical solutions that enhance national security, strengthen communities, and protect the people we serve. If you're looking for...

General Dynamics Mission Systems–Canada is seeking a Systems Engineer to join the Coalition and Joint Interoperability team in Ottawa, supporting the Land Command Support System (LCSS). You will help enable seamless data exchange across coalition and joint missions to assist commanders in decision-making. The role focuses on engineering IP networks,...

Curtiss‑Wright in Ottawa, Canada is seeking an IT Systems Administrator to protect enterprise data, manage user access, and maintain network and device performance. You will install hardware and software, perform backups, enforce security controls, and support a compliant, high-availability environment.Join a global leader delivering advanced engineering...

Lead / Principal System Verification Engineer – Optical Networking Location: Ottawa, ON Employment Type: Full‑Time, Permanent We’re partnered with a global technology leader in optical networking and communications infrastructure that is making a significant investment in expanding its engineering presence in Ottawa. As part of this growth, our...

Lead / Principal System Verification Engineer – Optical Networking Location: Ottawa, ON Employment Type: Full‑Time, Permanent We’re partnered with a global technology leader in optical networking and communications infrastructure that is making a significant investment in expanding its engineering presence in Ottawa. As part of this growth, our...

A leading defense technology firm is seeking a Systems Engineering Analyst to support the Canadian Army. In this role, you will integrate critical capabilities within a multidisciplinary engineering team focused on delivering advanced tactical communications. Responsibilities include requirements elicitation, system integration, and validation. Ideal...

Qualcomm Canada ULC is seeking a Principal System Engineer to advance deployment of Optical DSP and Active Electrical Cable solutions for AI and cloud infrastructure. The role emphasizes system-level modeling, high-speed link design, and cross-team collaboration to meet stringent performance goals. The ideal candidate has deep expertise in communication...

Workleap, a Montreal-based tech company, is seeking a System Administrator to manage our Azure-based infrastructure, identities, and security services. The role emphasizes infrastructure as code, incident resolution, and collaboration with IT and security teams.You will lead projects in Jira/Confluence, integrate Claude AI into IT workflows, and contribute...

As part of the Canadian Sales Engineering team, the Communication Systems Engineer is responsible for end-to-end design, costing, implementation, and ongoing support of advanced satellite and terrestrial communication solutions in response to customer requirements and internal projects. The successful candidate will develop integrated satellite RF and IP...

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...

Location: Ottawa, ON (On-site, 5 days per week) Language: Strong written and verbal communication skills in English Employment Type: Permanent, Full-Time About the Opportunity Are you an experienced Network Administrator who enjoys solving complex technical challenges while leading and mentoring others? We're looking for a skilled professional to join the...

Network Administrator R.W. Tomlinson Limited is seeking an experienced Network Administrator to join our IT Systems group. This role is responsible for the administration, security, performance, and continued growth of our network infrastructure, while leading a small team and supporting complex projects and escalated incidents. The successful candidate...

Qualcomm Canada ULC is seeking a Principal System Engineer to advance deployment of Optical DSP and Active Electrical Cable solutions for AI and cloud infrastructure. The role emphasizes system-level modeling, high-speed link design, and cross-team collaboration to meet stringent performance goals. The ideal candidate has deep expertise in communication...

We are looking for an experienced Network Service Engineer with strong expertise in customer network service configuration to support the design, implementation, and optimization of network services. In this role, you will contribute to the scalability, reliability, and performance of network infrastructure while ensuring that service designs align with...

We are seeking an experienced Network Management System (NMS) Developer to lead the design, development, and evolution of next-generation network management solutions for a cutting-edge telecommunications platform. This role is responsible for designing scalable NMS applications, integrating industry-standard technologies, and ensuring reliable network...

We are seeking multiple System Administrators with strong customer‑service skills to provide in‑person technical support across several workplace locations. These roles focus on workstation readiness, device connectivity, user coaching, and general hardware/software troubleshooting in a fast‑paced environment.Key ResponsibilitiesConduct floor‑walks...