Senior Systems Administrator - Hybrid Infra & Security

RightClick; Connecticut; On-site; USD 90,000 - 130,000; Full time

Job summary

RightClick is seeking a Senior Systems Administrator to support performance, security, and reliability across on‑premises and cloud environments. This onsite Hartford County, CT role oversees enterprise infrastructure, networking, and security operations, with hands‑on responsibilities in hybrid systems.

The ideal candidate will have 5+ years in enterprise systems administration, strong M365 experience, and solid networking/security skills.

Qualifications

• At least 5 years of systems administration experience supporting enterprise infrastructure environments.
• Strong M365 administration experience.
• Hands‑on experience with server and virtualization platforms.
• Networking capabilities required, with firewall expertise a must and wireless infrastructure experience a plus.
• Experience supporting enterprise environments, ideally with 500+ end users.
• Working knowledge of security, patching, access controls, and endpoint protection practices.

Responsibilities

• Administer, maintain, and enhance enterprise servers, virtualization platforms, storage systems, and core infrastructure in a hybrid environment.
• Support cloud services, identity and access management, collaboration platforms, and endpoint management systems.
• Maintain, secure, and troubleshoot core network infrastructure, including firewalls, wireless infrastructure, and secure remote access technologies.
• Implement and maintain security controls, endpoint protection, patching, and remediation activities.
• Participate in monitoring, backups, disaster recovery, upgrades, and ongoing infrastructure improvement initiatives.
• Use scripting and systems management tools to automate routine tasks and improve operational efficiency.

Skills

5+ years exp

M365 Admin

Server & Virtualization

Firewall Expertise

500+ End Users

Security & Patching

Job description

RightClick is seeking a Senior Systems Administrator to support performance, security, and reliability across on‑premises and cloud environments. This onsite Hartford County, CT role oversees enterprise infrastructure, networking, and security operations, with hands‑on responsibilities in hybrid systems.

The ideal candidate will have 5+ years in enterprise systems administration, strong M365 experience, and solid networking/security skills.