Senior Systems Administrator: Cloud, Security & Availability

Blue Ops Inc; Valdosta (GA); On-site; USD 110,000 - 140,000; Full time

Job summary

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

The role combines hands-on administration with mentoring and process improvement in a fast-moving, secure environment. The right candidate will manage Windows/Linux servers, AWS/Azure resources, and MS 365 environments, while leading incident response, documentation, and service

Qualifications

• 7+ years in hands-on systems administration or infrastructure operations.
• Strong experience administering Windows Server, AD, DNS, DHCP, and file services.
• Experience with Linux servers and mixed OS environments; cloud experience is a must.
• Proficient in Microsoft 365 administration and security/compliance tooling is a plus.

Responsibilities

• Administer and optimize Windows, Linux, and macOS across endpoints, servers, and cloud.
• Support Microsoft 365 GCC High and Commercial tenants, identity, and security features.
• Manage on-prem and cloud infrastructure (Azure/AWS), patching, monitoring, and backups.
• Serve as escalation point, create runbooks, document processes, and support Jira/Confluence usage.

Skills

Windows Server administration

Active Directory/Entra ID

Linux administration

Cloud (Azure/AWS)

Scripting (PowerShell/Python)

Incident response

Documentation & runbooks

Communication skills

Tools

GitLab

GitHub

Jenkins

Confluence

Jira Service Management

Smartsheet

Job description

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

The role combines hands-on administration with mentoring and process improvement in a fast-moving, secure environment. The right candidate will manage Windows/Linux servers, AWS/Azure resources, and MS 365 environments, while leading incident response, documentation, and service