Salary
≈ $96k – $186k per year (Estimated)
Location
In office (Saint Louis)
Seniority
Senior · 7+ years exp
Employment
Contractor
Confirmed on the employer's own hiring board on Oct 1, 2026. First seen by Alion on Aug 19, 2026.
Overview
Company
Impact
Profile match
S³ is an international provider of customised project solutions and staffing, with over thirty branch offices across the U.S., Europe, Asia and LATAM.
Platform Cloud Engineer
Location: St. Louis, MO
Experience: 7+ Years
Position Overview
We are seeking a Senior Infrastructure Engineer to design, implement, and support highly available enterprise infrastructure across Windows, virtualization, identity, backup, and hybrid cloud environments. This role will support distributed and multi-site operations while helping drive infrastructure modernization, resiliency, security, and standardization.
- Required Qualifications
- 7+ years of progressive experience in enterprise infrastructure, server, virtualization, or cloud engineering.
- Strong hands-on expertise with:
- Windows Server
- VMware vSphere
- Active Directory & Microsoft Entra ID
- Rubrik Backup & Replication
- Remote Desktop Services (RDS)
- Strong knowledge of identity, authentication, authorization, and access-control concepts.
- Experience designing and supporting highly available and resilient infrastructure.
- Experience supporting multi-site, distributed, or manufacturing environments.
- Strong troubleshooting and root-cause analysis skills.
- Experience documenting technical architectures, standards, and engineering designs.
- Experience working within global or platform-based infrastructure organizations.
Preferred Qualifications
- Experience with Microsoft Azure, including IaaS, hybrid connectivity, and identity integration.
- PowerShell scripting, API integration, automation, or Infrastructure as Code experience.
- Familiarity with ITIL, service ownership, and enterprise infrastructure operating models.
- Microsoft, VMware, or Azure certifications are a plus.
- Experience with M&A integrations, data center consolidation, or large-scale infrastructure transformation.
- Experience collaborating with globally distributed technical teams and third-party vendors.
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