Security Architect - Senior

Pay Rate: Flexible - Hybrid

Location: Toronto, Ontario

Contract Length: 8 Months

Responsibilities:
CSIRT (Cyber Security Incident Response Team):

Lead program maturity initiatives, including:

Developing and maintaining incident response procedures, playbooks, policies, and standards

Establishing and improving incident response governance, processes, and workflows

Defining KPIs, metrics, and reporting for program effectiveness

Supporting tabletop exercises and simulation activities

Collaborate with stakeholders across the Agency and the health sector to:

Support coordinated incident response and communication

Provide advisory support during sector-wide cyber incidents

Promote cyber resilience and standardized security practices

Support incident response readiness for AI-accelerated / machine-speed threats, including faster containment and “breach vs. break” decision playbooks

Support and enhance the Cyber Security Incident Response program, including:

Coordinating cyber incident response activities across internal teams and external stakeholders

Acting as a key point of contact for incident communications, including engagement with external partners and sector organizations

Developing incident reports, executive briefings, and communication materials

Supporting incident response activities (non-forensic), leveraging CSIRT/SOC experience

Zero-Trust
Drive practical integration across domains, including:

Translating Zero Trust principles into enforceable controls, processes, and standards

Supporting alignment across identity, endpoint, and network security components

Bridging strategy, architecture, and day-to-day operations

Align Zero Trust and identity work to the program’s workstreams — particularly legacy modernization & Zero-Trust controls, Securing external doors (MFA/Conditional Access), and accelerated vulnerability remediation — contributing to these efforts at a supporting level

Support and deliver Zero Trust implementation, including:

Assessing current-state architecture and identifying gaps in identity, access, and network security controls

Supporting or leading hands‑on implementation of Zero Trust‑aligned technologies, particularly in identity

Working closely with technical teams to configure, integrate, and operationalise security solutions

Ensuring Zero Trust capabilities are embedded into operational practices, not just deployed

Desired Skills:

Experience in healthcare or public sector environments, particularly Ontario health sector

Familiarity with regulatory and security frameworks (e.g., PHIPA, NIST CSF, ISO 27001)

Experience supporting cross‑organisational incident response coordination

Experience implementing Conditional Access, PAM/PIM (Privileged Access Management / Privileged Identity Management), or identity governance solutions

Exposure to Zero Trust maturity models or assessments

Knowledge of cloud security environments

Experience with network micro‑segmentation or Zero Trust Network Access (ZTNA)

Experience with SOAR (Security Orchestration Automation and Response) platforms or automation of incident workflows

Relevant certifications (e.g., CISSP, CISM, GIAC, Azure Security Engineer)

Familiarity with defending against AI‑driven / adversarial‑AI threats and machine‑speed attack techniques

Exposure to program‑delivery models where security work is organised into coordinated workstreams (e.g., attack‑surface reduction, CTEM, AI‑enabled detection)

Required Skills:

Minimum 7–10 years of experience in cyber security, with strong exposure to Incident Response / Security Operations (CSIRT/SOC)

Proven experience coordinating and managing cyber incidents, including communication with internal and external stakeholders

Strong ability to produce clear, concise reports, executive briefings, and incident communications

Experience developing incident response procedures, policies, standards, and playbooks

Proven hands‑on experience implementing Zero Trust technologies, particularly in identity and access management (IAM)

Demonstrated ability to assess security environments and identify gaps, especially across identity and network security domains

Strong experience with identity‑focused controls (e.g., MFA,



Conditional Access, identity governance, privileged access)

Practical experience translating Zero Trust concepts into operational controls and measurable outcomes

Experience working with Microsoft security ecosystem (e.g., Defender, Sentinel, Entra ID) and AWS security ecosystem (e.g., Guard Duty, Security Hub,

Solid understanding of network security concepts aligned to Zero Trust (e.g., segmentation, secure access models)

Excellent written and verbal communication skills, including executive‑level engagement

Working awareness of the modern AI‑driven threat landscape (e.g., AI‑accelerated exploitation, automated / machine‑speed attacks) and its implications for incident response and Zero Trust priorities

Strong expertise in:

Cyber Security Incident Response coordination and program maturity

Security Operations / CSIRT environments

Zero Trust implementation (not just strategy)

Identity and Access Management (IAM) as a core Zero Trust pillar

Network security principles supporting Zero Trust architectures

Demonstrated ability to:

Assess environments and identify control gaps, particularly in identity and access

Implement and operationalise security technologies, ensuring adoption into daily operations

Translate Zero Trust concepts into practical, measurable solutions

Develop policies, procedures, playbooks, and standards

Produce high‑quality reporting and executive communications

Solid understanding of:

Incident response lifecycle (aligned to NIST (National Institute of Standards and Technology) or industry standards)

Modern cyber threat landscape and attack vectors

Core competencies:

Strong communication and stakeholder management skills (internal and external)

Ability to operate in high‑pressure incident environments

Analytical thinking and structured problem‑solving

Ability to bridge technical teams and leadership audiences

Solid focus on execution, delivery, and measurable outcomes

Required Experience:
1.Cyber Security Incident Response (CSIRT) Experience

Demonstrated experience in coordinating and managing cyber incidents (not just participating)

Experience working in CSIRT/SOC environments

Involvement in incident lifecycle (triage, coordination, recovery, post‑incident reviews)

Experience supporting cross‑functional and external stakeholder engagement during incidents

2.Cyber Security Incident Response - Communication, Reporting & Program Maturity

Proven ability to communicate effectively during incident situations, including with external stakeholders

Strong experience in developing incident reports, executive briefings, and communicationsExperience building or improving procedures, playbooks, policies, and standards

Demonstrated contribution to program maturity, governance, and process improvement, including awareness of AI‑driven threats and experience aligning incident response / Zero Trust work to broader program workstreams

3.Zero Trust Implementation (Hands‑On Delivery)

Proven hands‑on experience implementing Zero Trust technologies, especially in identity and access management (IAM)

Ability to identify gaps in identity, access, and security architecture

Experience translating Zero Trust concepts into operational controls and outcomes

Demonstrated involvement in implementation—not just strategy or design

4.Identity & Network Security Expertise (Zero Trust Enablers)

Strong experience with identity security controls (MFA, Conditional Access, RBAC, PAM/PIM, Entra ID)

Working knowledge of network security aligned to Zero Trust (segmentation, secure access models, ZTNA)

Experience integrating identity and network controls into operational environments

Additional Deliverables:
Deliverables are not limited to the above and may evolve based on:

Organisational priorities

Emerging threats or incident activity





Maturity needs across CSIRT and Zero Trust initiatives

The resource is expected to adapt to changing requirements and contribute broadly to:

Cyber security program maturity

Operational effectiveness and resilience

Alignment to the AI‑Driven Risk Mitigation Program

Ensure CSIRT and Zero Trust deliverables are consistent with, and reference, the relevant workstreams within the workstream program

Where applicable, provide input into workstreams tied to identity, access, and Zero Trust controls (e.g., securing external doors, legacy / Zero‑Trust modernization) and to incident‑response acceleration for AI‑era threats

Contribute to reporting that connects incident response and Zero Trust progress to the programme’s overall risk‑reduction objectives

Deliverables:
Cyber Security Incident Response (CSIRT) Program
Mature the CSIRT Program

Review, update, and enhance Incident Response (IR) standards, policies, procedures, and playbooks

Document and standardise end‑to‑end incident response workflows across internal teams

Work with internal stakeholders and external partners to align workflows, clarify roles/responsibilities, and improve coordination

Ensure alignment with industry standards (e.g., NIST) and organisational requirements

Support CSIRT Operations
Act as a lead responder / coordinator for:

Confirmed internal security incidents

Large‑scale or high‑impact external cyber security incidents affecting the sector

Lead incident coordination, stakeholder communication, and reporting activities

Produce incident reports, executive briefings, and communication artefacts

Conduct and document post‑incident reviews (lessons learned) and track improvement actions

Enhance Communication & Reporting

Establish or refine incident communication protocols, including external stakeholder engagement

Develop standardised reporting templates and communication materials (e.g., SITREPs, executive summaries)

Zero Trust Implementation
Current‑State Assessment & Gap Analysis

Work with internal teams to assess the current security posture, with a focus on:

Identity and access management controls

Network security posture (segmentation, access models)

Identify and document gaps against the defined Zero Trust framework and architecture

Tactical Implementation Planning

Develop a practical, prioritised implementation plan to address identified gaps

Focus on key Zero Trust pillars, particularly:

Identity (e.g., MFA, Conditional Access, privileged access)

Network security (e.g., segmentation, secure access models)

Hands‑On Implementation & Operationalisation

Support and/or lead implementation of Zero Trust‑aligned technologies

Work directly with technical teams to configure, integrate, and operationalise solutions

Ensure controls are embedded into day‑to‑day operations and delivering measurable outcomes

Standards & Integration

Develop and refine Zero Trust standards, implementation patterns, and guidance

Ensure alignment and integration across identity, endpoint, and network security domains

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📌 Security Architect - Senior (Ontario)
🏢 Ian Martin Group
📍 Ontario