Security Architect

Job summary

Assess security risks and architectural gaps across legacy applications and infrastructure, then design practical controls and remediation strategies that preserve critical services. Develop security architecture and implementation guidance, evaluate production changes, and collaborate with cybersecurity, infrastructure, architecture, application, and delivery teams.

Job details

Digital Security Architect Location: Remote – must work from Alberta Contract: 6 months initially, November 2026 to April 2027 Hours: 35 hours/week, 7 hours/day We’re looking for a senior Digital Security Architect to support a large Legacy Infrastructure Security Stabilization Program. This is a hands-on architecture role focused on assessing security risks across legacy applications and infrastructure and developing practical solutions to reduce those risks without disrupting critical services. The ideal candidate brings strong experience across security architecture, infrastructure security, application/network security, AWS and legacy technology environments. What You’ll Be Doing Assess security risks, vulnerabilities and architectural gaps across legacy applications and infrastructure Design practical security controls and risk-reduction strategies Develop and review security architecture and solution designs Recommend approaches for network segmentation, isolation, shielding, remediation, upgrades, replacement and decommissioning Design compensating controls when systems cannot be immediately upgraded or replaced Evaluate proposed production changes for security risk, operational impact and service continuity Identify technical dependencies, constraints and implementation risks Develop architecture documentation, technical requirements, security patterns and acceptance criteria Document solution options, trade-offs and recommendations Work closely with Cybersecurity, Infrastructure, Enterprise Architecture, application and delivery teams Support implementation teams with architecture guidance throughout delivery Provide documentation and knowledge transfer for ongoing operational support Escalate significant security risks and architecture issues through established governance processes What We’re Looking For 7+ years of cybersecurity experience Strong experience in security architecture Experience securing legacy applications, infrastructure and production environments Background with security remediation, stabilization or technology transformation initiatives Strong knowledge of network segmentation and isolation Application and infrastructure security experience Vulnerability assessment and risk treatment/remediation Experience designing compensating security controls Strong understanding of production change, dependencies, testing, rollback and service continuity Experience producing solution designs, architecture decisions, implementation patterns and technical requirements Experience with firewalls, IPS, WAF, endpoint security, SIEM and log management Strong AWS security architecture experience, ideally including AWS WAF, Security Hub, GuardDuty and Inspector Knowledge of security frameworks such as NIST CSF and CIS Controls Ability to communicate complex security risks and recommendations to both technical and non-technical stakeholders Certifications & Education A degree in Computer Science, Information Security or a related field is an asset. Relevant certifications are highly desirable, including: CISSP AWS Certified Security – Specialty OSCP Other relevant cybersecurity or cloud security certifications

What you’ll do

Assess security risks and architectural gaps across legacy applications and infrastructure, then design practical controls and remediation strategies that preserve critical services. Develop security architecture and implementation guidance, evaluate production changes, and collaborate with cybersecurity, infrastructure, architecture, application, and delivery teams.

Requirements

Requires 7+ years of cybersecurity experience, strong security architecture expertise, and experience securing legacy applications, infrastructure, and production environments. Candidates should have expertise in risk remediation, network segmentation, compensating controls, AWS security, security tools and frameworks, and communicating recommendations to technical and non-technical stakeholders; a related degree and relevant certifications are assets or highly desirable.

Listed skills

• Production · Preferred
• Technical · Preferred
• Amazon Web Services · Preferred
• Documentation · Preferred
• Teams · Preferred
• assessment · Preferred
• management · Preferred
• Upgrades · Preferred
• Organization · Preferred
• Attention to detail · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Security Architecture
• Infrastructure Security
• Application Security
• Network Security
• AWS Security
• Legacy Systems Security
• Network Segmentation
• Vulnerability Assessment
• Risk Remediation
• Compensating Controls
• Firewall Security
• Web Application Firewall
• Intrusion Prevention Systems
• Endpoint Security
• SIEM
• Security Architecture Documentation

Job areas

• Security & Safety
• Technology
• Software
• Consulting

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