Sr. Windows Server & VMware Engineer

Unisys; Norwich (CT); On-site; USD 120,000 - 160,000; Full time

Job summary

Unisys is seeking a senior Windows Server and VMware Engineer to join a project-focused infrastructure team supporting large enterprise Cloud and Hybrid Cloud initiatives. This role drives modernization, migration, virtualization, and transformation across complex environments, with a strong emphasis on automation and resiliency. U.S.

Citizenship is required. You will design, build, and maintain enterprise Windows Server and VMware infrastructure, coordinate backups, manage capacity, and

Qualifications

• Bachelor's degree or equivalent experience.
• 7+ years of Windows Server administration experience in enterprise environments.
• 7+ years of hands-on VMware virtualization experience (ESXi, vSphere, vCenter).
• Windows Server build, upgrade, migration, and administration (2012–2025).
• PowerShell/PowerCLI/Python scripting for automation.
• Server hardware, storage, and networking fundamentals.
• Backup, recovery, and high-availability solutions.
• Active Directory and Group Policy administration.
• Patch management and endpoint/compliance tooling.
• Incident investigation, root cause analysis, and change management.
• Strong technical documentation skills.

Responsibilities

• Build, migrate, and upgrades of Windows Server OSes (2012, 2016, 2022, 2025).
• Design, implement, and support Windows Server and VMware infrastructure.
• Participate in Cloud and Hybrid Cloud transformation, migration and modernization.
• Install, configure, upgrade, and maintain server hardware and software.
• Administer VMware ESXi, vSphere, and vCenter.
• Coordinate backup, storage, networking, and recovery operations for high availability.
• Develop automation with PowerShell, PowerCLI, Python, etc.
• Provide third-level support for complex infrastructure issues.
• Execute complex changes with detailed implementation and rollback plans.
• Monitor systems, patch compliance, performance, and user administration.
• Conduct health checks, capacity analysis, log reviews, and root cause analysis.
• Prepare documentation, diagrams, procedures, and knowledge articles.
• Utilize AI-assisted tools to improve documentation quality and automation.
• Communicate project status, risks, and recommendations to stakeholders.
• Support disaster recovery, resiliency, and business continuity initiatives.

Skills

Windows Server admin

VMware ESXi/vSphere/vCenter

Automation scripting

Server hardware & networking

Backup & DR/BC

Active Directory & GPO

Patch management & AV

Incident investigation & RCA

Technical documentation

PowerShell/PowerCLI/Python

Windows Server versions 2012-2025

AI tooling awareness

Education

Bachelor's degree or equivalent experience

Tools

PowerShell tooling

Python scripting

Automation tooling

Job description

What success looks like in this role:

We are seeking an experienced Windows Server & VMware Engineer to join a project-focused infrastructure team supporting large enterprise Cloud and Hybrid Cloud initiatives. This role will play a key part in infrastructure modernization, migration, virtualization, and transformation projects across complex enterprise environments. The ideal candidate will possess senior-level expertise in Windows Server administration, VMware virtualization technologies, automation, and enterprise infrastructure operations, while collaborating closely with architects, engineers, project teams, and business stakeholders.

U.S. Citizenship is required.

Responsibilities

• Build, migrate, and perform in-place upgrades of Windows Server operating systems (2012, 2016, 2022, and 2025).
• Design, implement, and support enterprise Windows Server and VMware-based infrastructure solutions.
• Participate in Cloud and Hybrid Cloud transformation, migration, consolidation, and modernization initiatives.
• Install, configure, upgrade, and maintain server hardware, operating systems, virtualization platforms, and associated software.
• Administer and maintain VMware ESXi, vSphere, vCenter, and related VMware technologies.
• Coordinate system backup, storage, networking, and recovery operations to ensure high availability and business continuity.
• Develop and implement automation solutions using PowerShell, PowerCLI, Python, or similar technologies to streamline administration and operational processes.
• Provide advanced troubleshooting and third-level support for complex infrastructure issues affecting servers, virtualization, operating systems, storage, and networking components.
• Execute complex infrastructure changes and develop detailed implementation and back-out plans.
• Monitor enterprise systems, antivirus solutions, patch compliance, performance metrics, and user administration activities.
• Conduct health checks, capacity analysis, log reviews, incident investigations, and root cause analysis.
• Prepare and maintain comprehensive technical documentation, architecture diagrams, operational procedures, and knowledge articles.
• Utilize AI-assisted tools such as Anthropic Claude to improve documentation quality, technical analysis, automation development, and operational efficiency.
• Communicate project status, risks, issues, and recommendations to clients, stakeholders, and management.
• Support disaster recovery, resiliency, and business continuity initiatives within enterprise and cloud environments.

You will be successful in this role if you have:

Required Qualifications

• Bachelor's degree or equivalent experience.
• 7+ years of Windows Server administration experience in enterprise environments.
• 7+ years of hands-on VMware virtualization experience (ESXi, vSphere, vCenter).
• Windows Server (2012, 2016, 2022, 2025) — build, upgrade, migration, and administration.
• VMware ESXi, vSphere, vCenter, and related virtualization technologies.
• PowerShell, PowerCLI, and/or Python scripting for automation.
• Server hardware, storage, and networking fundamentals supporting virtualized environments.
• Backup, recovery, and high-availability/business continuity solutions.
• Active Directory, Group Policy, and Windows infrastructure services.
• Patch management, antivirus/endpoint compliance, and performance monitoring tools.
• Experience with incident investigation, root cause analysis, and change management processes.
• Strong technical documentation skills (architecture diagrams, runbooks, knowledge articles).

Desired Qualifications

• Experience with AI-powered productivity and technical analysis tools, including Anthropic Claude, is highly desirable.
• Experience with Oracle Cloud Infrastructure (OCI) and Oracle Cloud VMware Solution (OCVS) is preferred but not 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.