Montreal Exchange

Senior Security Architect

Montreal Exchange$140K — $150K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Post-secondary degree/diploma in Computer Science, Information Management, or related field
  • 5+ years of experience in information security roles focusing on risk, design, or management
  • 5+ years managing and designing complex cloud solutions (AWS, GCP, Azure)
  • 3+ years in a dedicated IT Architecture role
  • Applied knowledge of TOGAF models and the Zachman framework
  • Experience managing complete technology solution lifecycles
  • Strong communication skills for collaboration across teams.

Responsibilities

  • Author and maintain technical requirements for enterprise infrastructure
  • Define micro-segmentation principles and Zero Trust Network Access (ZTNA) requirements
  • Develop reusable architectural templates to expedite secure project delivery
  • Lead technical security evaluations during M&A due diligence
  • Assess emerging technologies to maintain resilience against threats
  • Transform Governance, Risk, and Compliance policies into technical standards
  • Collaborate with AppSec to implement secure coding standards.

Benefits

  • Hybrid work location (2-3 days in office)
  • Opportunity to work in a strategic role shaping enterprise security architecture
  • Collaboration with diverse internal and external teams
  • Focus on innovative technologies, including Generative AI and Post-Quantum cryptography
  • Potential for industry certifications through role involvement.
Full Job Description
We are seeking a highly skilled and strategic Security Architect to define our enterprise technical guardrails and overarching security blueprints. In this role, you will champion the enterprise shift away from implicit network trust toward a robust Zero Trust Architecture. By developing reusable architectural templates, you will enable engineering teams to rapidly deploy secure infrastructure while minimizing design-time friction. As a key collaborator across internal security disciplines and external enterprise teams, you will integrate secure frameworks seamlessly into our overarching technology strategy. Job Location: Hybrid (2-3 days in office) - based in Toronto, ON Key Accountabilities • Author and maintain critical technical requirements for enterprise infrastructure, including Active Directory hardening, Post-Quantum cryptographic posture, and the secure adoption of Generative AI platforms. • Define comprehensive micro-segmentation principles, per-session access controls, and Zero Trust Network Access (ZTNA) requirements across the enterprise. • Develop and maintain a comprehensive repository of pre-approved, reusable architectural templates to accelerate secure project delivery. • Lead the technical security evaluations during M&A due diligence processes and engineer target-state integration blueprints. • Assess emerging capabilities and vendor solutions to ensure the technology stack remains highly resilient against evolving threat vectors. • Transform GRC (Governance, Risk, and Compliance) policies into practical technical standards. • Partner closely with AppSec to establish secure coding standards, and integrate data classification matrices and data movement restrictions from Data Governance into all infrastructure and project designs. Must Haves • Post-secondary degree or diploma in Computer Science, Information Management, or a related technical field. • 5+ years of dedicated experience in an information security-focused role, with a strong track record across security risk, design, or management. • 5+ years of experience managing and designing complex cloud solutions, with deep proficiency primarily in AWS, GCP, and Azure. • 3+ years of experience operating in a dedicated IT Architecture role. • Proven, applied knowledge of TOGAF models and the Zachman framework. • Demonstrated success managing the complete lifecycle of technology solutions from initial ideation to ultimate sunsetting. • Excellent written and verbal communication skills, with a proven ability to collaborate effectively across multidisciplinary teams. • Self-motivated, flexible, and capable of working both independently and as part of a dedicated, fast-paced team. Nice to Haves • Relevant industry certifications. Salary Range: $140K - $150K/year CAD. Please note that the salary range included is a guideline only. The salary offered may vary based on factors, including, but not limited to, the successful candidate's relevant knowledge, skills, and experience. The recruiting efforts for this role are intended to fill a vacant position.

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