Senior Systems Administrator – Cloud & Automation

Lange Company; St. Louis (MO); On-site; USD 110,000 - 140,000; Full time

Job summary

Lange Companies is seeking a Systems Administrator in St. Louis, MO to strengthen and modernize technology platforms serving employees and customers. The role blends systems administration with technical project execution, vendor coordination, documentation, and knowledge management.

The ideal candidate will be curious, self-directed, and capable of driving solutions with strong ownership and professional communication. On-site work in St. Louis, MO is available.

Qualifications

• Approximately 10 years of progressive experience in enterprise IT environments.
• Strong experience with Microsoft 365, Azure, Entra ID, Intune, and cloud-first environments.
• Proven ability to lead or contribute to technical projects from evaluation through implementation.
• Exceptional documentation habits and clear communication.
• Experience coordinating MSPs, vendors, and external partners.
• Ability to work independently, prioritize, and drive initiatives to completion.

Responsibilities

• Lead or participate in technology projects involving cloud services, infrastructure, automation, cybersecurity, collaboration platforms, data platforms, and business applications.
• Identify gaps and drive practical improvements from evaluation through implementation with limited oversight.
• Research and compare technologies and vendors; develop proof-of-concept solutions.
• Coordinate resources, MSPs, vendors, and stakeholders to maintain momentum and deliver outcomes.
• Administer and support Microsoft 365, Azure, Entra ID, Intune, Exchange Online, SharePoint Online, and Teams.

Skills

Documentation

Vendor coordination

Independent work

Project leadership

Communication

Strategic thinking

Tools

Microsoft 365

Azure

Entra ID

Intune

Exchange Online

SharePoint Online

Teams

Job description

Lange Companies is seeking a Systems Administrator in St. Louis, MO to strengthen and modernize technology platforms serving employees and customers. The role blends systems administration with technical project execution, vendor coordination, documentation, and knowledge management.

The ideal candidate will be curious, self-directed, and capable of driving solutions with strong ownership and professional communication. On-site work in St. Louis, MO is available.