Systems Administrator

Silgan Holdings Inc.

Systems Administrator managing servers, cloud, storage, security, and virtualization for Silgan Plastics’ plastic packaging operations. Leading infrastructure modernization, support, and continuous improvement across enterprise business systems.

Posted 8/10/2026full-timeChesterfield • Montana • 🇺🇸 United StatesSeniorLeadWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in administering Microsoft Windows Server environments, managing Active Directory, and supporting Microsoft 365 services. Proficient in virtualization technologies, disaster recovery solutions, and system security, with a strong focus on continuous improvement and customer service.

Highest-signal resume keywords

Windows Server AdministrationActive Directory ManagementVMware vSphere ExperienceMicrosoft 365 AdministrationPowerShell Scripting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Windows Server AdministrationActive DirectoryGroup PolicyVMware vSphereMicrosoft 365Microsoft Entra IDDNSDHCPPure StoragePowerShell Scripting

Soft Skills

Strong Communication SkillsProblem-Solving SkillsCustomer-Focused ApproachOrganizational SkillsCollaborative Attitude

Tools & Technologies

Microsoft 365VMware vSphereMicrosoft Entra IDPure StorageMicrosoft Azure Services

Industry Keywords

Systems AdministrationInfrastructure EngineeringDisaster RecoveryBusiness ContinuityIT Governance

Tech Stack

Tools & technologies

AzureCloudCyber SecurityDNSVMware

About the role

Key responsibilities & impact

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.
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.
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.
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.
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.
Maintain a strong customer-service orientation while supporting end users and business stakeholders.

Requirements

What you’ll need

Minimum of 7 years of progressive experience in Systems Administration or Infrastructure Engineering.
Experience supporting enterprise environments with multiple locations and diverse business operations.
Bachelor's Degree in Computer Science, Information Systems, or a related field is preferred, not required.
Experience with VMware vSphere.
Experience with Microsoft 365 Administration.
Experience with Microsoft Entra ID.
Experience with Windows Server Administration.
Experience with Active Directory and Group Policy.
Knowledge of DNS and DHCP domain services.
Experience with Pure Storage.
Experience with Microsoft Azure Services.
Experience with backup and disaster recovery solutions.
Experience with PowerShell scripting and automation.
Experience with endpoint management platforms.
Strong communication and interpersonal skills.
Forward-thinking and strategic mindset.
Continuous improvement mentality.
Exceptional problem-solving and analytical skills.
Ownership and accountability in managing critical systems, projects, and operational responsibilities.
Customer-focused approach.
Strong organizational and time management skills.
Collaborative attitude with willingness to share knowledge and mentor peers.
Ability to participate in on-call support and after-hours maintenance activities as required.

Benefits

Comp & perks

Participation in on-call support and after-hours maintenance activities as required
Equal Opportunity Employer
Drug-free workplace