Lead Network Security Engineer Jobs in Toronto, ON

At CI, we see a great place to work as one that is a safe place for everyone to have a voice, where people are empowered to take ownership over meaningful work, where there is an opportunity to grow through stretching themselves, where they can work on innovative products and projects, and where employees are supported and engaged in doing so.

WHAT YOU WILL DO

• Design, install, automate, and manage network infrastructure devices, including switches, routers, firewalls, NAC, WAN/LAN systems, wireless access points/controllers, DNS, SSL certificates, and structured cabling.

• Analyze business requirements to develop scalable and secure technical network solutions and architectural frameworks.

• Perform network modeling, analysis, and planning, including disaster recovery and contingency strategies.

• Design, test, inspect, and implement data communications systems and network changes.

• Deploy and optimize security policies, rulesets, and configurations across NGFWs, SASE platforms, and segmentation technologies to enhance security posture, performance, and operational efficiency.

• Develop test plans, implementation strategies, and project timelines for network-related initiatives.

• Troubleshoot and diagnose complex network issues involving multiple variables and distributed environments.

• Collaborate with technology vendors to support business initiatives and evaluate emerging solutions.

• Conduct capacity and performance planning, including oversight of production software upgrades.

• Create and maintain comprehensive documentation for all network infrastructure and operational procedures.

• Stay current with modern technologies to guide product direction and network evolution.

• Serve as an escalation point for the service desk and incident response teams, handling reactive incidents and leading root-cause analysis for problem management.

• Participate in a 24/7 on-call rotation to support critical network operations.

WHAT YOU WILL BRING

Experience

• 5 years of experience designing, implementing and supporting complex multi-site networks

Education/Training

• University or College level and/or equivalent applicable IT experience.

• Network/Security Related Certifications (CCNP, AWS Certified Security / Advanced Networking).

Knowledge, Skills and Abilities

• Strong knowledge of Cisco, Fortinet, and F5 network hardware and software.

• Good working knowledge of UNIX and Windows operating systems, including systems software and hardware.

• Deep understanding of MPLS, routing, switching, SDWAN, cloud computing, VoIP, and wireless technologies.

• Proficient with SASE architectures, Zero Trust Network Access (ZTNA), and secure remoteaccess frameworks.

• Working knowledge of scripting and automation, including Python, shell scripting, and Ansible.

• Extensive experience in multicloud networking, particularly AWS, with strong deployment automation skills.

• Strong understanding of firewalls, load balancers, DNS, and security technologies such as IPS and ISE.

• Experience designing complex network infrastructures.

• Experience using ServiceNow platform and working within structured changecontrol processes.

• Exceptional analytical and problemsolving abilities, with strong troubleshooting skills across all OSI layers (Layer 1-7).

Thisopportunityisforanexistingvacancywiththecompany.Theanticipatedbasesalaryrangeforthispositionis$69,500-$119,500.Exactsalarydependsonseveralfactorssuchasexperience,skills,education,andbudget.Salaryrangemayvarybasedongeographiclocation.Inadditiontobasesalary,thispositioniseligibleforparticipationinabonusprogram.Inaddition,TheCompanyoffersavarietyofbenefitstoeligibleemployees,includinghealthinsurancecoverage,wellnessprograms,lifeanddisabilityinsurance,retirementsavingsplans,paidleaveprograms,education-relatedprograms,paidholidaysandvacationtime,andmanyothers.Manyofthesebenefitsaresubsidizedorfullypaidforbythecompany.

Thisrolefollowsourinofficeworkmodelandrequiresemployeestobeonsitefourdaysperweektosupportcollaborationandbusinessneeds.

CI Financial is an independent company offering global wealth management and asset management advisory services through diverse financial services firms. Since 1965, we have consistently anticipated and responded to the changing needs of investors. We are driven by a commitment to provide individuals and institutions with the highest-quality investments and advice. Our commitment to the highest levels of performance means that whatever their position, CI employees must be comfortable in a fast-paced environment that will stretch them to tap into their highest potential. Employees with a healthy dose of ambition, a desire to commit to a curious mindset for continuous learning, and a willingness to go the extra mile thrive at CI.

A Supportive Environment for Success

We offer an in-office environment, competitive benefits, and a supportive workplace to help our employees thrive both personally and professionally.

WHAT WE OFFER

• Modern HQ location within walking distance from Union Station
• Training Reimbursement
• Paid Professional Designations
• Employee Savings Plan (ESP)
• Corporate Discount Program
• Enhanced group benefits
• Parental Leave Top-up program
• Paid time off for Volunteering

We are focused on building a diverse and inclusive workforce. If you are excited about this role and are not confident you meet all the qualification requirements, we encourage you to apply to investigate the opportunity further.

Please submit your resume in confidence by clicking "Apply". Only qualified candidates selected for an interview will be contacted. CI Financial Corp. and all of our affiliates ("CI") are committed to fair and accessible employment practices and provide reasonable accommodations for persons with disabilities. If you require accommodations in order to apply for any job opportunities, require this posting in an additional format, or require accommodation at any stage of the recruitment process please contact us ataccessible.recruitment@ci.com, or call 416-364-1145 ext. 4747.