Senior Security Architect: Legacy Stabilization (Remote)

S.I. Systems Ltd.; Edmonton, Calgary; Remote; CAD 120,000 - 160,000; Part time

Job summary

S.I. Systems Ltd. seeks a Senior Digital Security Architect to assess security risks and develop practical solutions as part of a Legacy Infrastructure Security Stabilization program.

The role focuses on securing legacy environments while maintaining business and service continuity, with a 6-month contract and remote work within Alberta. Responsibilities include assessing risks, designing compensating controls, and guiding segmentation, remediation, and upgrades across Cybersecurity,

Qualifications

• 7+ years of cybersecurity experience including security architecture
• Proven experience with legacy infrastructure security, remediation or stabilization projects
• Strong knowledge of network segmentation, infrastructure/application security and risk treatment
• Experience designing compensating controls and practical security solutions for production environments

Responsibilities

• Assess security risks and vulnerabilities across legacy infrastructure and applications
• Develop security architecture, compensating controls and risk-reduction strategies
• Provide guidance on segmentation, isolation, remediation, upgrades and replacement
• Review proposed technical changes for security, operational and service-continuity impacts
• Develop security designs, architecture decisions and implementation guidance
• Work closely with Cybersecurity, Infrastructure, Architecture and application teams

Skills

Security architecture

Legacy security

Network segmentation

Risk treatment

Compensating controls

Firewalls

WAF

Endpoint security

SIEM/logging

IPS

AWS security

Education

Degree in Computer Science / Information Security

Tools

AWS WAF

Security Hub

GuardDuty

Inspector

Job description

S.I. Systems Ltd. seeks a Senior Digital Security Architect to assess security risks and develop practical solutions as part of a Legacy Infrastructure Security Stabilization program.

The role focuses on securing legacy environments while maintaining business and service continuity, with a 6-month contract and remote work within Alberta. Responsibilities include assessing risks, designing compensating controls, and guiding segmentation, remediation, and upgrades across Cybersecurity,