Systems Administrator

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

Azure Capacity Planning Compliance DNS Incident Response PowerShell

• Administer and support Microsoft Windows Server environments.
• Manage Active Directory, Group Policy, DNS, DHCP, and related domain services.
• Maintain enterprise virtualization platforms, including VMware vSphere and associated technologies.
• Monitor and optimize server performance, availability, and capacity planning.
• Implement and maintain disaster recovery and business continuity solutions.
• Perform system upgrades, patch management, and technology lifecycle management.
• Administer Microsoft 365 services, including Exchange Online, Teams, SharePoint, and OneDrive.
• Support Microsoft Entra ID administration, identity governance, conditional access, and authentication technologies.
• Participate in cloud adoption and modernization initiatives.
• Manage user provisioning, licensing, security policies, and role-based access controls.
• Storage Administration
• Administer and support enterprise storage environments, including Pure Storage platforms.
• Monitor storage health, performance, replication, and capacity utilization.
• Develop and execute storage improvement and optimization strategies.
• Security & Compliance
• Maintain system security configurations and assist with cybersecurity initiatives.
• Support vulnerability remediation efforts and security hardening activities.
• Participate in security audits, compliance assessments, and incident response efforts.
• Ensure adherence to established IT governance, policies, and standards.
• Project Delivery & Continuous Improvement
• Lead or participate in infrastructure projects such as migrations, upgrades, consolidations, and system deployments.
• Evaluate emerging technologies and recommend improvements that increase reliability, security, efficiency, and business value.
• Identify opportunities for automation and process optimization.
• Document technical procedures, architecture, standards, and support knowledge.
• Operational Support
• Serve as a Tier III escalation point for complex infrastructure issues.
• Collaborate with help desk, network, security, and application teams to resolve incidents and prevent recurring issues.
• Participate in on-call support and after-hours maintenance activities as required.
• Maintain a strong customer-service orientation while supporting end users and business stakeholders.
• Required Qualifications
• Education: Bachelor's Degree in Computer Science, Information Systems, or a related field preferred. Equivalent combination of education and relevant experience will be considered.
• Experience: Minimum of 7 years of progressive experience in Systems Administration or Infrastructure Engineering. Experience supporting enterprise environments with multiple locations and diverse business operations.
• Skills and Knowledge: Experience with any combination of the following technologies:
• VMware vSphere
• Microsoft 365 Administration
• Windows Server Administration
• Active Directory & Group Policy
• Domain Services (DNS, DHCP)
• Pure Storage
• Backup and Disaster Recovery Solutions
• PowerShell Scripting and Automation
• Other Skills Required: The successful candidate will demonstrate:
• Strong communication and interpersonal skills with the ability to effectively collaborate across technical and non-technical teams and build trusted relationships throughout the organization.
• Forward-thinking and strategic mindset with the ability to anticipate infrastructure needs, evaluate emerging technologies, and recommend solutions that support business objectives.
• Continuous improvement mentality, consistently seeking opportunities to enhance system reliability, security, efficiency, automation, and service delivery.
• Exceptional problem-solving and analytical skills with the ability to identify root causes, develop effective solutions, and drive issues to resolution.
• Ownership and accountability in managing critical systems, projects, and operational responsibilities while maintaining a high standard of quality and reliability.
• -

• Health insurance Vision insurance

Additional Information

Job SummaryThe Systems Administrator is responsible for the administration, maintenance, support, and continuous improvement of Silgan Plastics' enterprise infrastructure. This role provides technical expertise across servers, virtualization, storage, identity management, and Microsoft cloud technologies while ensuring the stability, security, and performance of critical business systems.The ideal candidate possesses 5+ years of direct systems administration experience and demonstrates effective communication skills, a customer-service mindset, forward-thinking problem-solving abilities, and a passion for continuous improvement. This individual will serve as a technical leader within the IT Operations team, driving modernization initiatives and partnering across the business to deliver reliable, scalable, and secure technology solutions.

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