Onsite IT Administrator — Banking Systems & Security

COCC; Centerbrook (CT); On-site; USD 80,000 - 95,000; Full time

Job summary

COCC in Essex, CT seeks an IT Administrator to support and maintain its technology infrastructure across servers, identities, and security in a regulated environment. This onsite role offers exposure to Windows Server, AD, Entra ID, M365, virtualization, and backup systems.

You will implement patching, system hardening, document change records, and collaborate with vendors while using automation tools and Copilot to improve operations.

Qualifications

• 4+ years of systems administration or infrastructure experience.
• Experience in banking or regulated environments preferred.
• Strong scripting with PowerShell or comparable language.
• Bachelor’s degree or equivalent in IT field preferred.

Responsibilities

• Support and maintain Windows Server, AD, Entra ID, M365, virtualization, and related infrastructure.
• Manage service accounts, security groups, access controls, onboarding/offboarding, and access reviews.
• Install, configure, upgrade, monitor, and troubleshoot systems, applications, hardware, and supporting infrastructure.
• Perform server and endpoint patching, upgrades, system hardening, vulnerability remediation, and administration of security controls.
• Review security alerts, investigate activity, document findings, and escalate suspected incidents and risks.
• Manage backups and disaster recovery testing and processes.
• Troubleshoot infrastructure, application, identity, and connectivity issues.
• Coordinate maintenance with approved vendors and service providers.
• Develop and maintain technical documentation, procedures, diagrams, system configurations, scripts, and change records.
• Use approved automation tools and Copilot for research, troubleshooting, scripting, documentation, and process improvement.
• Evaluate, order, and provision approved technology while maintaining inventory, licensing, warranty, and lifecycle records.
• Collaborate with team members through knowledge sharing and cross training.

Skills

Windows Server

Active Directory

Microsoft Entra ID

Microsoft 365

Virtualization

Identity & Access Mgmt

Patch management

Backup & Recovery

PowerShell

Scripting

Documentation

Security controls

Education

Bachelor’s degree in Information Technology

Tools

Microsoft Copilot

Job description

COCC in Essex, CT seeks an IT Administrator to support and maintain its technology infrastructure across servers, identities, and security in a regulated environment. This onsite role offers exposure to Windows Server, AD, Entra ID, M365, virtualization, and backup systems.

You will implement patching, system hardening, document change records, and collaborate with vendors while using automation tools and Copilot to improve operations.