Senior System Administrator

Pathstone•Atlanta, GA

6h•$110,000 - $125,000

About The Position

We are seeking a highly skilled and experienced Senior System Administrator to oversee and manage our organization's server and network infrastructure. This role requires deep expertise in Microsoft Azure, Microsoft 365, Exchange, SharePoint, Teams, and security platforms including CrowdStrike and Microsoft Defender. The ideal candidate will also have experience with identity and access management tools such as Okta and cloud security platforms like Netskope. This position involves project oversight, cross-functional collaboration, and proactive system management to ensure optimal performance, security, and scalability.

Requirements

Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
5+ years of experience in system administration with a focus on enterprise environments.
Strong expertise in network administration Microsoft Azure, M365, Exchange, SharePoint, and Teams.
Hands-on experience with CrowdStrike, Microsoft Defender, Okta, and Netskope.
Solid understanding of networking concepts, firewalls, VPNs, and DNS.
Excellent troubleshooting skills and ability to work independently or in a team.
Strong communication and documentation skills.

Nice To Haves

Microsoft 365 Certified: Administrator Expert
Okta Certified Professional
CrowdStrike Certified Falcon Administrator
CompTIA Security+ or equivalent

Responsibilities

Server & Network Administration Manage and maintain Windows and Linux servers, virtualization platforms, and network infrastructure. Monitor system performance and ensure high availability and reliability of services.
Cloud & Collaboration Platforms Administer and optimize Microsoft Azure and Microsoft 365 environments. Support and maintain Exchange Online, SharePoint Online, and Microsoft Teams.
Security Operations Implement and manage endpoint protection using CrowdStrike and Microsoft Defender. Collaborate with the security team to monitor threats and ensure compliance with security policies.
Identity & Access Management Administer Okta for SSO and identity lifecycle management. Integrate and manage Netskope for cloud security and data protection.
Project Oversight Lead or support IT infrastructure projects, including upgrades, migrations, and deployments. Coordinate with internal teams and vendors to ensure timely and successful project delivery.
Documentation & Support Create and maintain system documentation, procedures, and configurations. Provide Tier 3 support and mentorship to junior administrators and service desk staff.