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# Sr. Infrastructure Engineer

- **Company:** TEKSYSTEMS INC.
- **Location:** Cedar Rapids, IA, United States (Remote available)
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Data Centers, VMware ESX Servers, Network Segmentation, Network Virtualization, PowerCLI, Ansible, Storage Virtualization, VCloud, Virtualization Technology, VMware Virtualization, VMware VSphere, Infrastructure Automation Frameworks, Information Technology, Vcenter, Terraform, Vmware
- **Published:** July 2, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9009737/sr-infrastructure-engineer

## About the Role

· 7-10+ years of hands-on experience in enterprise infrastructure engineering, with significant depth in VMware virtualization environments
· Demonstrated expertise with VMware Cloud Foundation (VCF), ESXi, vCenter, vSAN, and NSX
· Strong working knowledge of DISA STIGs and host profile enforcement across virtualized infrastructure
· Experience designing physical rack topologies and data center infrastructure for enterprise or government programs
· Familiarity with RMF, NIST 800-53, and the ATO process in a DoD or IC environment
· Active Top Secret security clearance required; TS/SCI eligibility strongly preferred
· VMware certifications (VCP, VCAP, or VCDX) a plus
· Experience with automation and infrastructure-as-code tools (Ansible, Terraform, PowerCLI) preferred, · Prior experience supporting classified programs in a DoD, IC, or cleared defense contractor environment
· Familiarity with tactical or deployed infrastructure environments
· Bachelor's degree in Computer Science, Information Technology, or a related field; equivalent experience considered

## Description

· Lead end-to-end build and lifecycle management of VMware ESXi/VCF stack environments, including vCenter, vSAN, and vSphere clusters
· Architect and integrate NSX-T/NSX-V network virtualization solutions, including micro-segmentation, distributed firewalling, and overlay networking
· Design rack topology and physical infrastructure layouts to support high-availability, mission-critical workloads in data center and tactical environments
· Develop, enforce, and maintain STIG-compliant host profiles across virtualization layers in accordance with DISA requirements
· Collaborate with cybersecurity and compliance teams to support ATO processes, RMF documentation, and continuous monitoring requirements
· Serve as a technical lead and subject matter expert, mentoring junior engineers and providing guidance on architecture decisions
· Evaluate emerging technologies and recommend infrastructure improvements aligned with program roadmaps and customer requirements
· Produce and maintain technical documentation including architecture diagrams, SOPs, and configuration baselines


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