Posted:
February 21, 2026
Location:
Toronto, Ontario, Canada

Job Description

Line of Business: VDI and Mobility

Duration: 8 months (Possibility of Extension)

Location: Downtown Toronto or Scarborough - Hybrid - 2-3 days onsite

Must Have Requirements:

  • 3+ years Ansible (roles, collections, Molecule, CI/CD).
  • Strong Linux (RHEL), networking, TLS/PKI, and load balancing fundamentals.
  • JVM operation basics (heap/GC) and Java web app deployment experience.
  • Responsibilities:

    • Design reverse proxy and app tier topologies:

  • Active/active Tomcat clusters with load balancing & health checks (at Apache layer or external LB).
  • Session management strategy: sticky sessions via cookie, or session replication/Redis-backed sessions when stickiness is not possible.
  • • Performance engineering:

  • Tomcat connector threads, acceptCount, connectionTimeout, JVM sizing (Xms/Xmx), GC tuning (G1/Parallel), and thread pools.
  • • High availability & scaling:

  • Multi-AZ/region design, zero...
  • Apply for this Job

    Submit your application for the Senior Middleware Platform Engineer (Apache, Tomcat & Ansible) - 85145 position at S.i. Systems.

    Apply Now Save for Later

    Job Overview

    Job Type: Contract
    Location: Toronto, Canada
    Posted: February 21, 2026
    Deadline: April 02, 2026