Senior Enterprise IT Infrastructure Admin – On-Site

Adecco; Peabody (MA); On-site; USD 76,000 - 96,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Life Insurance

Short-term Disability

401K

EAP program

Commuter benefits

Job summary

Adecco is seeking an IT Systems & Infrastructure Administrator for a fully on-site, contract-to-hire role in Peabody, MA. You will manage Windows Server, VMware, Entra ID, and Microsoft 365, while building automation with PowerShell and supporting disaster recovery and cybersecurity initiatives.

The role emphasizes enterprise infrastructure, migrations, change management, and cross-team collaboration with Corporate IT and operations to modernize our technology environment.

Qualifications

• Associate degree in IT, Computer Science, Information Systems, or related field.
• 5+ years of enterprise IT, systems administration, infrastructure support, or IT operations experience preferred.
• Hands-on experience with Windows Server and enterprise infrastructure.
• Experience with VMware or other enterprise virtualization platforms.
• Experience with Active Directory and Microsoft Entra ID.
• Experience supporting enterprise backup, recovery, and disaster recovery.
• Working knowledge of Microsoft 365 and PowerShell.
• Strong understanding of networking, authentication, patching, monitoring, cybersecurity, and infrastructure operations.
• Experience participating in IT projects, migrations, integrations, infrastructure upgrades, or modernization initiatives.
• Strong troubleshooting, communication, documentation, organizational, and problem-solving skills.

Responsibilities

• Administer, monitor, troubleshoot, maintain, upgrade, and migrate Windows Server and virtualized environments, including VMware and Hyper-V.
• Support Active Directory, Entra ID, DNS, DHCP, file services, authentication, certificates, storage, patching, monitoring, and system lifecycle management.
• Troubleshoot complex infrastructure issues across servers, applications, endpoints, networking, and identity services.
• Maintain infrastructure documentation, inventories, diagrams, and operational procedures.
• Participate in disaster recovery planning, testing, documentation, and recovery exercises.
• Develop and maintain PowerShell scripts to automate tasks and improve efficiency.
• Work on systems integration, migrations, change management, and modernization initiatives.
• Collaborate with Corporate IT, cybersecurity, application owners, operations teams, vendors, and service providers.

Skills

Windows Server

VMware

Active Directory / Entra ID

PowerShell

Microsoft 365

Security / Cybersecurity

Automation

Troubleshooting

Education

Associate degree in IT or related

Bachelor’s degree preferred

Tools

Intune

Configuration Manager

Hyper-V

Backup & Recovery tooling

Job description

Adecco is seeking an IT Systems & Infrastructure Administrator for a fully on-site, contract-to-hire role in Peabody, MA. You will manage Windows Server, VMware, Entra ID, and Microsoft 365, while building automation with PowerShell and supporting disaster recovery and cybersecurity initiatives.

The role emphasizes enterprise infrastructure, migrations, change management, and cross-team collaboration with Corporate IT and operations to modernize our technology environment.