network security systems jobs in Ottawa

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10,000 network security systems job listings in Canada. Find daily updated positions from leading job boards.


  • Ottawa, ON, Canada Canadian Bank Note Co. Full-time $56,000 - $70,000 Contract

    Coordinate security technology and structured cabling for CBN facilities in Ottawa, using network surveillance and infrastructure expertise on-site.Canadian Bank Note Company seeks a permanent, full-time Security Systems Technician for its enterprise security environment. This on-site position supports physical security architecture, network-based...


  • Ottawa, ON, Canada Telesat Full-time €120,000 - €180,000 Contract

    Telesat in Ottawa seeks an experienced Security System Architect to secure next-generation satellite and ground systems. You will lead cybersecurity integration across the product lifecycle, champion secure-by-design principles, and coordinate with Segment Domain Architects, engineering teams, and Product Cybersecurity stakeholders. This role requires deep...

  • Senior Network

    1 hour ago


    Ottawa, Ontario, Canada Malleum Full-time

    About MalleumMalleum is at the forefront of next-generation cyber defense, partnering with marquee clients across government, defense, financial services, and critical infrastructure. We're experiencing exceptional growth as demand accelerates for trusted advisors capable of delivering at the intersection of national security, allied intelligence...


  • Ottawa, Ontario, Canada Gowling WLG International Full-time

    At Gowling WLG, our commitment to excellence begins with our people. As an international law firm with offices in Canada, the U.K., Europe, the Middle East, and Asia, we’re proud to recruit and retain top talent who bring energy, insight, and a singular focus on delivering exceptional experiences – for our clients and each other. We’re intentional...


  • Ottawa, ON, Canada Altis Technology Full-time €90,000 - €130,000 Contract

    Strengthen network security and resolve complex incidents in Ottawa through hands-on administration, vulnerability management, and infrastructure troubleshooting. This work is on-site five days weekly. As an experienced Network Administrator, you will support a growing environment within an IT Systems team. Your responsibilities include security, patching,...


  • Ottawa, ON, Canada ROSS Full-time $50,000 - $70,000 Contract

    Our client requires a Junior Network Security Consultant for a 6‑month contract in Ottawa. It is possible that this contract will be extended. Work a 7.5‑hour flex time day anytime between 7:00 am and 5:00 pm, Monday – Friday. Skills Required Minimum one year Network Security Experience Comfortable working with Lotus Notes RSA Certified Security...


  • Ottawa, ON, Canada Myticas Consulting Inc. Full-time €110,000 - €150,000 Contract

    Lead enterprise cryptography and network security initiatives with a hybrid role in Ottawa. Your expertise will shape security strategy while advancing post-quantum capabilities. As a Manager, Cryptography & Network Security Architect, you will provide technical leadership in a robust enterprise environment. This role requires extensive knowledge in...


  • Ottawa, ON, Canada University of Ottawa Full-time $47,000 - $73,000 Contract

    Support Network Security students in person at the University of Ottawa through tutoring, laboratory assistance, and project marking in English.This Teaching Assistant assignment covers Topics in Engineering – Network Security, course SEG4300, section A. The work runs from January 1 through April 30, 2027, for 130 total hours and one position....


  • Ottawa, ON, Canada Altinity Full-time $90,000 - $140,000 Contract

    Deliver hands-on network security consulting for Malleum clients, applying infrastructure administration and incident response expertise remotely and on-site.This senior-level, client-facing consultant designs, secures, and operates network and security infrastructure across regulated and cleared environments. You will administer routers, firewalls, VPNs,...


  • Ottawa, ON, Canada Tomlinson Group of Companies Full-time €90,000 - €115,000 Contract

    Secure and optimize R.W. Tomlinson Limited’s network infrastructure as an experienced Network Administrator in Ottawa, Ontario. Lead technical initiatives and escalated support. This experienced Network Administrator supports the IT Systems group through network security, performance tuning, and infrastructure growth. The position includes leading a small...


  • Ottawa, ON, Canada Check Point Software Full-time $90,000 - $150,000 Contract

    Network security expertise drives this Diamond Services Engineer position at Check Point, supporting customers through hybrid networks, VPNs, and technical troubleshooting. Two weekly office days apply where required.The engineer supports customer environments through installations, implementations, maintenance, and education. Strong business and technical...


  • Ottawa, ON, Canada Altis Technology Full-time $70,000 - $110,000 Contract

    Cybersecurity and Network Security Administrator Location: Ottawa, ON (On-site)Language: Strong written and spoken English communication skillsSalary: $70,000$110,000 annually, based on qualifications and experience About the Opportunity Are you passionate about cybersecurity and protecting the systems that keep organizations running? We're looking for a...


  • Ottawa, ON, Canada Altis Technology Full-time $70,000 - $110,000 Contract

    Protect critical technology environments in Ottawa as a Cybersecurity and Network Security Administrator specializing in firewalls, cloud security, and incident response. This is an on-site position requiring strong English communication skills.Working across Infrastructure, Cloud, Networking, and Business Systems, you will strengthen security operations and...


  • Ottawa, Ontario, Canada Myticas Consulting Full-time

    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...


  • Ottawa, ON, Canada General Dynamics Mission Systems, Inc. Full-time €85,000 - €120,000 Contract

    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...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Altis Technology Full-time €70,000 - €110,000 Temporary

    Cybersecurity and Network Security Administrator Location: Ottawa, ON (On-site) Language: Strong written and spoken English communication skills Salary: $70,000$110,000 annually, based on qualifications and experience About the Opportunity Are you passionate about cybersecurity and protecting the systems that keep organizations running? We're...


  • Ottawa, ON, Canada General Dynamics Corporation Full-time $75,000 - $80,000 Contract

    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,...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada ROSS Full-time

    Our client requires a Junior Network Security Consultant for a 6‑month contract in Ottawa. It is possible that this contract will be extended. Work a 7.5‑hour flex time day anytime between 7:00 am and 5:00 pm, Monday – Friday. Skills Required Minimum one year Network Security Experience Comfortable working with Lotus Notes RSA Certified...


  • Ottawa, ON, Ottawa Census Division, ON; Ontario, Canada Altis Technology Full-time

    Protect critical technology environments in Ottawa as a Cybersecurity and Network Security Administrator specializing in firewalls, cloud security, and incident response. This is an on-site position requiring strong English communication skills. Working across Infrastructure, Cloud, Networking, and Business Systems, you will strengthen security operations...


  • Ottawa, Ontario, Canada Compunnel Inc. Full-time

    Become a Network Analyst and ensure the security of our organizational network. This important role encompasses implementing and troubleshooting key network systems to enhance efficiency and security.You will engage with the IT team to support high-security environments, focusing on security certificate management and VPN solutions. Your problem-solving...