Systems Engineer - Windows Server, VMware, and AWS ,Citrix
OSI Digital•Irvine, CA
•$20 - $65•Onsite
About The Position
We are seeking a Systems Engineer to support the migration of Windows-based workloads from an on-premises datacenter to AWS. This onsite role works closely with infrastructure, application, networking, and security teams to assess existing systems, prepare migration plans, execute workload migrations, and provide post-migration support. The ideal candidate has hands-on experience administering Windows Server environments, managing VMware infrastructure, and deploying and supporting Amazon EC2 instances. Citrix experience is a plus.
Requirements
- 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.
Nice To Haves
- Experience supporting Citrix Virtual Apps and Desktops, including supporting infrastructure and application delivery.
- Experience with AWS Application Migration Service or similar migration tools.
- PowerShell scripting and automation skills.
- Familiarity with backup, recovery, monitoring, and security tools across on-premises and AWS environments.
- Relevant AWS, Microsoft, VMware, or Citrix certifications.
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.
- Support timely migration and validation of assigned workloads within approved migration windows.
- Resolve post-migration issues promptly to minimize disruption to business operations.
- Ensure migration runbooks and operational documentation are complete and accurate.
- Support transition of migrated systems to ongoing support teams.
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