OSI Digital
Systems Engineer - Windows Server, VMware, and AWS ,Citrix
Skills
9 hours ago
Share this opportunity
Share this opportunity to other talents of your network:
✓ Offer them a visibility boost with clients.
✓ Help your contacts find their next job.
Important information
Contract type:
Freelance / Contract
Location:
Irvine, CA, USA
Work mode:
Onsite
Published on:
27 October 2026
What they need
Systems Engineer- Windows Server, VMware, and AWS, Citrix **Duration: 6 months
Location: Irvine, CA Onsite** Position Summary We are seeking a Systems Engineer to support the migration of Windows-based workloads from an on-premises datacenter to AWS. This onsite role will work 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 brings hands-on experience administering Windows Server environments, managing VMware infrastructure, and deploying and supporting Amazon EC2 instances. Citrix experience is a plus.
Key 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
Required 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
Preferred Qualifications
- 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
Success Measures
- Assigned workloads are migrated and validated within approved migration windows
- Post-migration issues are resolved promptly, with minimal disruption to business operations
- Migration runbooks and operational documentation are complete and accurate
- Migrated systems are successfully transitioned to ongoing support teams
Powered by JazzHR
dkE7g1XnIW
Other offers great for you!
These companies are also looking for great profiles
Yunik
Data Engineer AWS / Snowflake – Freelance
Freelance
Paris, France
Hybrid
Skills
4 days ago
Quick apply
Havana IT
Technicien de proximité IT VIP — Windows, SCCM et MDT
Permanent contract
Paris, France
Onsite
Skills
20 hours ago
Quick apply
Collective
AI Engineer - freelance
Freelance
London, UK
Hybrid
Skills
19 hours ago
Quick apply
No company information available.