Sr. Windows Administrator

Unisys Corporation; Connecticut; On-site; USD 90,000 - 120,000; Full time

Job summary

Unisys Corporation seeks a Windows Administrator to provide ongoing systems administration across multiple locations in the United States. Responsibilities include installation, maintenance, troubleshooting of Windows environments, and guidance on tooling, databases, and networks.

Emphasis on DR/HA, cloud integration (OCI, Azure), automation to boost availability. Requires BA/BS and 6–8 years experience, Windows and VMware skills, and US citizenship/residency.

Qualifications

• BA/BS degree plus 6–8 years of relevant experience or equivalent.
• Strong Windows systems administration expertise.
• Experience with Microsoft Server including clustering.
• Experience with VMware.
• Knowledge of DR/HA principles, including in cloud environments (OCI, Azure).
• U.S. Citizenship and residency required.

Responsibilities

• Provide ongoing Windows systems administration across multiple locations.
• Install, maintain, troubleshoot hardware, software, and connectivity.
• Analyze and implement automation and AI-enabled solutions.
• Configure performance tests and remediate incident tickets.
• Train users and Systems Administration team members.
• Engage with clients to gather requirements and align needs.

Skills

Windows systems administration

Microsoft Server (incl. clustering)

VMware

Cloud and HA/DR principles

Education

BA/BS degree or equivalent

Tools

Microsoft Azure

Oracle OCI

Job description

What success looks like in this role:

U.S. citizenship and U.S. residency required.

Position Summary

The Windows Admin provides ongoing Systems Administration support, including installation, maintenance, and troubleshooting of hardware, software, applications, and connectivity components for Windows environments across multiple locations. This role provides technical support and advises on the use of programming tools, database systems, and networks.

Operational responsibilities include remediation of daily incident tickets, system compliance, system run enhancement, testing, staging, policy/procedure enhancement, client contact coordination, and operational recommendations to address availability and reliability issues on Windows systems.

Core Responsibilities

Systems Administration & Support

• Provides Systems Administration support for multiple organizations across the company, building on responsibilities such as:
• Provides Systems Administration hands-on support, troubleshooting and technical guidance.
• Analyzes and recommends commercially available hardware and software capable of meeting network, systems, and user requirements.
• Contributes to the design, development, and maintenance of Systems Administration infrastructure (operating systems, virtualization platforms, Cloud infrastructure, directory and identity services, monitoring and management, middleware and applications).
• Initiates and implements automation, process intelligence, and AI-enabled solutions to support data-driven decision-making, improve operational efficiency, and enhance service delivery

Client Engagement & Requirements

• Engages with clients to gather specifications, requirements, and systems expectations.
• Coordinates with client contacts to align operational recommendations with business needs.

Performance & Testing

• Configures and maintains software performance, stress, and load tests, and makes recommendations based on results.
• Remediates daily incident tickets to maintain Windows system availability and reliability.

Training & Knowledge Transfer

• Conducts training sessions with users and Systems Administration team members.

You will be successful in this role if you have:

• BA/BS degree and 6-8 years of relevant experience OR equivalent combination of education and experience.
• Strong expertise in Windows systems administration.
• Experience with Microsoft Server, including clustering.
• Experience with VMware.
• Required knowledge of disaster recovery (DR) and high-availability (HA) principles, including in cloud environments - Oracle OCI and Microsoft Azure.
• U.S. Citizenship and U.S. residency required.

#LI-JV1

This role may require access to export-controlled commodities and technology. Therefore, to conform to U.S. export control regulations, applicant should be eligible for any required authorizations from the U.S. Government.

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.

This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers. If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at [e-mail] or alternatively Toll Free: 888-560-1782 (Prompt 4). US job seekers can find more information about Unisys' EEO commitment here.