Senior Systems Administrator jobs in United States
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Century Aluminum · 6 days ago

Senior Systems Administrator

Century Aluminum is a company focused on ensuring the stability and integrity of its IT environments. The Senior Systems Administrator will oversee the VMware, Exchange, Active Directory, and Storage environments globally, while also providing support, maintenance, and optimization of server hardware and Microsoft software.

MiningMining TechnologyPrecious Metals
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H1B Sponsor Likelynote

Responsibilities

Supervise and mentor other IT staff as directed
Provide VMWare ESXi 6 and above environment support, design, installation, configuration, and administration across multiple sites
Provide EMC VNX, Unity SAN, or Nimble storage array support, design, configuration, maintenance and administration
Provide Exchange 2019 hybrid messaging design, configuration, maintenance and administration
Provide Active Directory - 2012 R2 Mode and above support, design,configuration, maintenance and administration
Design and deploy company Group Policy Objects and utilize other Active Directory tools
Provide Azure Active Directory support, design, configuration, maintenance and administration
Provide support and administration for all other assigned Enterprise applications: Microsoft MECM, Veeam Backup & Restore, and Microsoft Teams
Configure systems to ensure their smooth and reliable operation for fulfilling business objectives and processes
Create and maintain documentation as it relates to all assigned areas of responsibility
Manage all Enterprise servers, including domain controllers, global catalog servers, email servers, VMware hosts, and all associated hardware
Develop, implement and maintain policies, procedures, and associated plans
Supports, monitors, tests, and troubleshoots hardware and software problems pertaining to Active Directory, Exchange, VMware and Storage
Provides second level IT support for Century Aluminum plant operations
Recommends upgrades, patches, and hotfixes. Applies and installs approved upgrades, patches and hotfixes
Provides second-level technical support and guidance to users
Rely on extensive experience and judgment to plan and accomplish assigned tasks

Qualification

VMwareExchange 2019Active DirectoryStorage AdministrationMicrosoft Windows ServerVeeam BackupMCSE CertificationManaging PerformanceService OrientedCommunicationTeamworkStrategic Thinking

Required

Bachelors Degree
Minimum 7 years, preferred 10+ years of technical experience
3+ years of management experience preferred
3+ years of manufacturing experience preferred

Preferred

VMWare, MCSE certifications preferred
Highly self-motivated and directed, with keen attention to detail
Veeam Backup and Replication configuration and administration
VMware 6.x – 8 configuration and administration
Microsoft Windows Server 2012, 2016, 2019, 2022 configuration and administration
Exchange 2016 and 2019 configuration and administration
Microsoft Active Directory 2012, 2016/2019 configuration and administration
EMC VNX and Unity SAN storage configuration and administration
Microsoft Office 2003 – 2019 or O365 configuration and administration

Company

Century Aluminum

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Century Aluminum is a primary aluminium producer, supplying standard-grade, high-purity and value-added primary aluminum products.

H1B Sponsorship

Century Aluminum has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (2)
2022 (1)

Funding

Current Stage
Public Company
Total Funding
$672.25M
2025-11-10Post Ipo Secondary· $272.25M
2025-07-16Post Ipo Debt· $400M
1996-04-04IPO

Leadership Team

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Jesse Gary
Chief Executive Officer
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Company data provided by crunchbase