Linux Security Engineer

 

Description:

Linux Security Engineer

Location: Toronto, ON

Work Model: Onsite

Employment Type: Full-Time (FTE)

Experience: 6 -8 + Years

6-8 years -----Skills and Responsibilities:

  • Partner with Linux and Platform Engineering teams to define and enforce hardening standards new Linux systems must enter the estate compliant from day one, not remediated after the fact.
  • Own the Linux vulnerability lifecycle: triage findings from Qualys, prioritize by SLA, and work with the Linux team to drive remediation through Puppet and Foreman
  • Track and report missed-target vulnerabilities across BTN and CMRI Linux estates; escalate with documented remediation or delegation plans per team ownership model
  • Validate configuration compliance against CIS benchmarks and BMO security baselines; raise Puppet module gaps to Platform Engineering for remediation
  • Coordinate patching schedules and maintenance windows; ensure BMO patch schedule adherence across the Linux estate
  • Support evaluation and adoption of ServiceNow as the unified patching orchestration layer, replacing manually-raised per-patch Jira change tickets with automated scheduled pipeline execution
  • Deploy and validate endpoint security agents (CrowdStrike/Falcon) across Linux hosts in partnership with the Linux teamContribute to bi-weekly vulnerability reporting for senior leadership.

Organization Ace Stack LLC
Industry IT / Telecom / Software Jobs
Occupational Category Linux Security Engineer
Job Location Toronto,Canada
Shift Type Morning
Job Type Full Time
Gender No Preference
Career Level Experienced Professional
Experience 6 Years
Posted at 2026-09-07 4:38 pm
Expires on 2026-10-22