Senior Systems Administrator – Cloud, VMware & Storage

silgancontainers; Chesterfield (MO); On-site; USD 85,000 - 120,000; Full time

Benefits offered by this job

Health insurance

Vision insurance

Job summary

Silgan Plastics is seeking a Systems Administrator to maintain and optimize our enterprise infrastructure across servers, virtualization, storage, identity management, and Microsoft cloud technologies. This role ensures stability, security, and performance for critical business systems while collaborating with multiple teams.

The ideal candidate has 5+ years of direct systems administration experience and strong communication skills, with a focus on continuous improvement and modernization

Qualifications

• Bachelor's degree in Computer Science, Information Systems, or related field preferred; equivalent experience considered.
• Minimum 7 years of progressive systems administration/infrastructure engineering in enterprise environments.

Responsibilities

• Administer and support Microsoft Windows Server environments.
• Manage AD, Group Policy, DNS, DHCP, and related domain services.
• Maintain virtualization platforms (VMware vSphere).
• Monitor and optimize server performance, availability, and capacity planning.
• Implement and maintain disaster recovery and business continuity solutions.
• Perform system upgrades, patch management, and lifecycle management.
• Administer Microsoft 365 services (Exchange Online, Teams, SharePoint, OneDrive).
• Support Entra ID administration, identity governance, conditional access, and authentication tech.
• Participate in cloud adoption and modernization initiatives.
• Manage user provisioning, licensing, security policies, and RBAC.

Skills

Strong communication

Customer-service mindset

Problem-solving

Team collaboration

Education

Bachelor's Degree in Computer Science or related field

Tools

VMware vSphere

Microsoft 365 Administration

Windows Server Administration

Active Directory & Group Policy

DNS & DHCP

Pure Storage

Backup/DR Solutions

PowerShell Scripting & Automation

Job description

Silgan Plastics is seeking a Systems Administrator to maintain and optimize our enterprise infrastructure across servers, virtualization, storage, identity management, and Microsoft cloud technologies. This role ensures stability, security, and performance for critical business systems while collaborating with multiple teams.

The ideal candidate has 5+ years of direct systems administration experience and strong communication skills, with a focus on continuous improvement and modernization