Position Infrastructure Engineer - Windows/Linux Server Build & Decommission Location Toronto Mode of Work Hybrid (3 days a week) This job posting is for an existing active vacancy and we are looking to hire a Infrastructure Engineer - Windows/Linux Server Build & Decommission. Summary We are looking for an experienced Infrastructure Engineer - Windows/Linux Server Build & Decommission to support enterprise infrastructure operations through the provisioning configuration deployment maintenance and retirement of Windows and Red Hat Enterprise Linux servers. The ideal candidate will have strong expertise in server lifecycle management security hardening patching compliance and coordination across infrastructure and application teams. Roles & Responsibilities Build and configure Windows Server 2016 2019 and 2022 systems. Build and configure Red Hat Enterprise Linux (RHEL) 7 8 and 9 systems. Configure server networking DNS NTP storage and operating system settings. Perform Active Directory domain joins and organizational unit placement. Register Linux servers with Red Hat Satellite. Install and configure required infrastructure security backup and monitoring agents. Apply operating system updates and security patches. Implement enterprise security hardening standards. Coordinate server deployment activities with application network and infrastructure teams. Perform post-build validation and operational readiness testing. Execute Windows template patching activities during Microsoft Patch Tuesday cycles. Support DMZ server builds and firewall request submissions. Execute approved server decommission activities in accordance with established procedures. Coordinate with application owners and stakeholders to confirm retirement readiness. Verify backup retention and recovery requirements prior to server retirement. Remove systems from Active Directory DNS SCCM SCOM backup platforms monitoring solutions and Red Hat Satellite. Perform infrastructure and application dependency validation during decommissioning activities. Update inventory records CMDB and operational documentation. Support secure server retirement and disposal processes. Ensure all decommission activities meet audit security and compliance requirements. Qualifications & Skills Hands-on experience building and administering Windows Server 2016/2019/2022 environments. Experience managing Red Hat Enterprise Linux (RHEL) 7 8 and 9 servers. Knowledge of Active Directory DNS NTP storage management and enterprise server infrastructure. Experience with operating system patching security hardening and vulnerability remediation. Experience with server decommissioning lifecycle management and CMDB updates. Experience with Red Hat Satellite administration and Linux server registration. Familiarity with SCCM SCOM monitoring platforms and enterprise backup solutions. Experience provisioning and managing virtual machines in VMware ESXi/vCenter environments. Experience with Red Hat Ansible Automation Platform. Experience with CyberArk Privileged Access Management (PAM). Proficiency in PowerShell Bash or other scripting languages. Knowledge of Disaster Recovery (DR) processes and testing. Familiarity with CIS Benchmarks and security compliance frameworks. Experience supporting infrastructure within banking financial services or other regulated industries. Experience supporting audit and compliance remediation initiatives.