Senior Systems Administrator

Sullivan & Cromwell LLP

Senior Systems Administrator at S&C Electric, providing functional and technical support for global server and storage infrastructure. Responsible for Azure, Microsoft 365, and VMware environments.

Posted 5/12/2026full-timeChicago • Illinois • 🇺🇸 United StatesSenior💰 $94,160 - $124,762 per yearWebsite

Tech Stack

Tools & technologies

AzureCloudLinuxVMware

About the role

Key responsibilities & impact

Respond to end-user calls to clarify and assist the client with problem resolution and hardware/software needs.
Engender the confidence of clients that work will be completed at the required level of quality.
Purchase or assist with acquiring approved hardware and software.
Plan, design, and support Azure, M365 technologies (including Exchange Online, SharePoint, and Teams), global VMware Infrastructure, Client/Server business applications, and server and storage hardware solutions.
Follow established standard work and best practices; define new standard work as appropriate.
Identify and correct server-related problems caused by hardware/software failures.
Document configurations, instructions, and troubleshooting guides for Systems Administrator services and supported technologies.
Maintain and upgrade infrastructure systems regularly.
Investigate, provision, and deploy new technologies and solutions to support business and product growth and development.
Technical Lead on Infrastructure Services’ projects following S&C’s established project management methodology, processes/tools.
Support project efforts as assigned.
Record time spent on project tasks and completed project tasks in timesheets.
Test and document system behavior, performance, and security
Work with peers and clients to develop hardware/software standards and implementation strategies.
Work with IT Leadership to develop financial plans and budgets based on alignment with technological innovation and industry standard advancement.
Create detailed architecture designs for next-generation technologies and create guidelines for enhancements based on current production deployments.

Requirements

What you’ll need

A 4-year degree in Information Systems, computer-related field, or equivalent experience
5 years of experience managing and supporting Microsoft Hybrid Identity (AD and Azure Entra ID) and Microsoft 365 (including Exchange, SharePoint, and Teams).
5 years of experience managing and supporting Windows and Linux servers and on-prem and cloud infrastructure, preferably Azure and VMware
Experience in supporting a manufacturing environment

Benefits

Comp & perks

Health and Welfare Benefits: Medical & Prescription, Dental, Vision, Health Care and Dependent Care Flexible Spending Accounts, Health Savings Account (HSA), Group Life Insurance, optional Supplemental Life and AD&D Insurance, Wellbeing Resources including Employee Assistance Program and Family Forming Benefits (i.e., Adoption and Fertility support)
Leave Benefits: Vacation Time, Sick Time, Paid Holidays and Company Shutdown days, Short-Term Disability, Long-Term Disability, Other Leaves, Paid Parental Time and Military Leave
Retirement Benefits: 401(k) Retirement Savings and Employee Stock Ownership Plan (KSOP) offering traditional and Roth 401(k) options and an Employee Stock Ownership Plan (ESOP) component; KSOP participants can receive annual ESOP company contributions of over 11% of eligible earnings (3% Core, up to 3.5% Match, Variable Periodic).

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Microsoft Hybrid IdentityAzure Entra IDMicrosoft 365ExchangeSharePointTeamsWindows serversLinux serversAzureVMware

Soft Skills

problem resolutionclient confidencecommunicationcollaborationproject managementdocumentationtroubleshootingfinancial planningstrategic planningleadership