Senior Systems Admin: Cloud, Security & Hybrid Infra

Blue Ops, Inc.; Valdosta, Northern (GA, KY); Hybrid; USD 90,000 - 130,000; Full time

Job summary

Blue Ops, Inc. in Valdosta, GA is seeking a Senior Systems Administrator to own the reliability, security, and performance of IT infrastructure across Microsoft 365, cloud, on‑premises, endpoint, identity and collaboration platforms.

This hands-on role requires independent work, complex issue resolution, and ongoing improvements to system resiliency in a secure, compliant environment.

Qualifications

• US Person as defined under applicable US export-control regulations.
• 7+ years of hands-on systems administration or related IT experience.
• 3+ years in a senior/lead/escalation/infrastructure-owner capacity.
• Strong experience administering Windows Server, Active Directory, Group Policy, DNS, DHCP, file services and enterprise identity services.
• Experience administering Linux servers and mixed OS environments including Windows, macOS, Linux.
• Experience supporting Microsoft 365 administration (Exchange Online, SharePoint, Teams, OneDrive, Entra ID, conditional access, security/compliance).
• Experience supporting Azure and/or AWS cloud infrastructure.
• Experience with Jira, Jira Service Management, and Confluence for ITSM and documentation.
• Ability to troubleshoot complex technical issues across infrastructure, identity, networking, endpoints, applications, and cloud services.
• Excellent written and verbal communication; ability to work independently in a secure, fast-moving environment.

Responsibilities

• Administer Windows, Linux, and macOS across endpoint, server, and cloud environments.
• Manage on-premises and cloud servers: provisioning, configuration, patching, monitoring, backups, and lifecycle management.
• Support Microsoft 365 environments focusing on availability, security, identity, access, and user productivity.
• Maintain core infrastructure services: Active Directory, Entra ID/Azure AD, DNS, DHCP, GPO, file services, and certificates.
• Support Azure and AWS infrastructure, including VMs, storage, networking, and cost-conscious operations.
• Maintain and improve monitoring, alerting, logging, capacity planning, and performance for critical infrastructure.
• Serve as senior escalation point for complex issues; manage incidents using Jira/JSM and Confluence.
• Create and maintain runbooks, docs, and diagrams; lead or contribute to automation projects.

Skills

Infrastructure automation

Scripting (PowerShell)

Cloud & on-prem mix

Security/compliance mindset

Strong communication

Independent worker

Tools

Jira

Jira Service Management

Confluence

Smartsheet

GitLab

GitHub

Jenkins

PowerShell

Azure

AWS

Active Directory

Entra ID/Azure AD

DNS/DHCP

Job description

Blue Ops, Inc. in Valdosta, GA is seeking a Senior Systems Administrator to own the reliability, security, and performance of IT infrastructure across Microsoft 365, cloud, on‑premises, endpoint, identity and collaboration platforms.

This hands-on role requires independent work, complex issue resolution, and ongoing improvements to system resiliency in a secure, compliant environment.