Senior Systems Security Administrator

Lawson Lundell LLP is a leading regional Canadian business law firm with offices in Vancouver, Kelowna, Calgary and Yellowknife. The firm is recognized and respected by its peers in legal and business publications and was named one of BC’s Top Employers for 2026
.The firm has been recognized as the largest law firm in Vancouver by Lexpert. Our lawyers have received national and international recognition in numerous legal directories and publications. Our clients are leaders in the jurisdictions where we are located and around the world.

We are currently recruiting for the temporary position of Senior Systems Security Administrator. This position is based in our Vancouver office and the contract term is 12-18 months. Join a team of IT professionals that enjoy technology and support each other in the delivery of exceptional IT services to the firm.

The Senior Systems Security Administrator is a senior, hands‑on technical role responsible for ensuring industry best practices are utilized to secure the firm's server, infrastructure and cloud environments.

The primary focus is vulnerability remediation, security patching and upgrades, server hardening, asset and software lifecycle assessment, and disaster recovery infrastructure.

The successful candidate must be able to independently assess technical issues, develop remediation and implementation plans, troubleshoot complex problems, and execute approved changes with minimal technical direction.

Production updates, upgrades and significant configuration changes will follow established change management processes and require appropriate review and approval.

• Take technical ownership of infrastructure vulnerability remediation from identification through closure.
• Review and prioritize vulnerabilities based on severity, exploitability, system criticality and business impact.
• Apply approved security patches, updates, firmware and software upgrades.
• Maintain patching schedules and remediate critical vulnerabilities within established timelines.
• Identify unsupported and end‑of‑life operating systems, applications and infrastructure components and develop remediation plans.
• Harden Windows Server, VMware, cloud and related infrastructure using recognized security standards and practices.
• Implement secure configurations, least privilege and appropriate administrative controls.
• Validate successful remediation through testing and vulnerability rescanning.

• Ensure security and compliance of Windows Server, VMware, Microsoft Azure and related infrastructure platforms as per approved standards and best practices.
• Identify infrastructure requiring patching, upgrades, remediation or replacement.
• Maintain accurate technical security documentation, secure system configurations and security operational procedures.
• Independently troubleshoot and resolve complex security‑related issues.
• Support security configuration of network infrastructure, firewalls, VPNs and network segmentation.
• Support Cisco Meraki and related network security technologies.
• Assist with security‑related network remediation and secure connectivity between offices and cloud/DR environments.

• Administer and maintain the EDR/MDR platform to ensure endpoint coverage, alert monitoring and timely escalation of identified security threats.
• Ability to configure, maintain, upgrade and monitor the SIEM platform to ensure it remains operational, secure and appropriately sized.
• Perform initial review, implement and maintain approved SIEM alerts, correlation rules, dashboards and notification configurations.
• Perform review and validation of SIEM alerts and escalate suspected security incidents to…