Teams at Caelum Research Corporation

Administers and supports Azure and Microsoft 365 environments, including subscriptions, virtual machines, applications, user accounts, licenses, identity and access controls, Teams, SharePoint, and Exchange Online. Troubleshoots technical issues, supports end users, monitors resources, conducts security audits, maintains documentation, and participates in on-call support. Requires strong cloud, Active Directory, PowerShell, networking, communication, and problem-solving skills, along with an active Secret clearance.

Designs, deploys, secures, automates, and maintains AWS cloud infrastructure. Responsibilities include managing AWS services, implementing Terraform or CloudFormation, optimizing performance and costs, configuring networking, monitoring logs, troubleshooting incidents, supporting development teams, documenting procedures, and participating in on-call response. Requires hands-on AWS administration experience, scripting, infrastructure-as-code, security knowledge, and an active Secret clearance.

Manage enterprise Windows infrastructure, including Windows Server, Active Directory, VMware virtualization, automation, high-availability systems, storage, monitoring, networking, and security compliance. Apply DISA STIGs, support vulnerability remediation, perform system upgrades and migrations, troubleshoot complex infrastructure issues, and maintain production environments. The role also provides technical leadership and mentorship while supporting a U.S. Army government contract.