Onsite Systems Engineer: Windows to AWS Migration

IRIS Consulting Corporation; Irvine (CA); On-site; USD 100,000 - 140,000; Full time

Job summary

IRIS Consulting Corporation in Irvine, CA seeks a Systems Engineer to support migration of Windows-based workloads from on-premises to AWS. This onsite role collaborates with infrastructure, application, networking, and security teams to assess, plan, execute, and support migrations.

The ideal candidate will have hands-on Windows Server administration, VMware vSphere/ESXi/vCenter experience, and AWS EC2 deployment know-how, with Citrix a plus.

Qualifications

• Hands-on systems engineering or infrastructure administration experience in enterprise environments.
• Strong Windows Server administration and troubleshooting skills.
• Experience managing VMware vSphere environments, including ESXi and vCenter.
• Practical experience deploying, configuring, and supporting AWS EC2 instances.
• Working knowledge of AWS networking and access controls, including VPCs, subnets, security groups, and IAM.
• Understanding of Active Directory, DNS, Group Policy, TCP/IP networking, and server storage.
• Experience supporting server migrations, infrastructure transitions, or datacenter consolidation initiatives.
• Ability to troubleshoot issues across operating systems, virtualization, networking, and cloud infrastructure.
• Strong documentation, communication, and cross-functional collaboration skills.
• Ability to work onsite at the designated location and participate in scheduled migration cutovers or maintenance windows.

Responsibilities

• Assess and document existing Windows servers, VMware virtual machines, application dependencies, and infrastructure configurations.
• Support migration planning, including workload readiness assessments, migration sequencing, cutover procedures, validation criteria, and rollback plans.
• Prepare AWS EC2 environments and migrate workloads in coordination with cloud architecture, networking, and security teams.
• Administer and troubleshoot Windows Server environments, including operating systems, services, patching, storage, and connectivity.
• Manage VMware vSphere, ESXi, and vCenter environments throughout the migration.
• Validate server functionality, connectivity, performance, monitoring, and backup coverage following migration.
• Troubleshoot migration issues and provide post-cutover stabilization support.
• Maintain system documentation, migration runbooks, configuration records, and knowledge-transfer materials.
• Follow established change management, security, and operational procedures.

Skills

Windows Server administration

VMware administration

Migration planning

Documentation & collaboration

Tools

VMware vSphere

ESXi

vCenter

AWS EC2

Citrix Virtual Apps and Desktops

PowerShell

Job description

IRIS Consulting Corporation in Irvine, CA seeks a Systems Engineer to support migration of Windows-based workloads from on-premises to AWS. This onsite role collaborates with infrastructure, application, networking, and security teams to assess, plan, execute, and support migrations.

The ideal candidate will have hands-on Windows Server administration, VMware vSphere/ESXi/vCenter experience, and AWS EC2 deployment know-how, with Citrix a plus.