Systems Administrator

Tecolote Research • Arlington, VA

73d • Onsite

About The Position

We are seeking a motivated Systems Administrator to support and maintain our enterprise IT environment. This role is ideal for someone with solid foundational experience in Microsoft services, endpoint management, and hardware administration who is ready to broaden their skill set across virtualization, security, and cloud technologies. The right candidate is eager to learn, comfortable troubleshooting a wide range of issues, and able to contribute to a secure and reliable infrastructure.

Requirements

• Exposure to VMware, Zscaler, or AWS environments
• PowerShell, Python, or similar scripting experience
• Certifications such as Microsoft 365/Windows Server, CompTIA Network+/Security+, or AWS Cloud Practitioner
• Understanding of security or compliance frameworks (CMMC, NIST, etc.)

Responsibilities

• Administer Microsoft 365, Exchange Online
• Support Intune for device configuration, application deployment, and security baselines
• Provide hands-on support for helpdesk agents on end-user issues, workstation builds, and system troubleshooting
• Maintain Dell PowerEdge servers, storage systems, and network-connected devices
• Assist with monitoring and upkeep of PureStorage SAN and Ubiquiti/Unifi equipment
• Support routine maintenance tasks, updates, and basic performance checks
• Support Active Directory, DNS, DHCP, Group Policy, and general Windows Server administration
• Assist with identity, access control, and security hardening tasks
• Maintain documentation for configurations, procedures, and changes
• Follow IT policies, standards, and security practices
• Work with senior team members to escalate and resolve complex issues
• Assist with VMware vSphere 8 administration (vCenter, ESXi, Horizon View)
• Participate in capacity planning, uptime monitoring, and host maintenance
• Support Zscaler administration under guidance (ZIA, ZPA, ZDX)
• Help enforce access controls, identity policies, and security configurations
• Support AWS environments for foundational tasks (EC2, S3, basic Terraform interaction)
• Participate in team efforts to automate and modernize infrastructure

What This Job Offers

• Job Type: Full-time
• Career Level: Entry Level
• Number of Employees: 501-1,000 employees