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# System Administrator (Hybrid)

- **Company:** Sigma Inc.
- **Location:** Austin, TX, United States
- **Experience:** Starter
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Software Applications, Microsoft Azure, Dynamic Host Configuration Protocol, Domain Name System (DNS), Microsoft Exchange Server, Hyper-V, IT Management, Networking Hardware, Virtual Private Networks (VPN), Simple Mail Transfer Protocols, Microsoft Office, Microsoft SQL Server, Windows Servers, Remote Desktop Services, Software Deployment, TCP/IP, Wide Area Networks, Backup and Restore, Computer Network Technologies, Firewalls (Computer Science), Computer Equipment, Fortinet, Network Server, Server Operating Systems & Platforms, Vmware
- **Published:** June 14, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=9ede9f3f35dd0143

## About the Role

Do you have a Bachelor's degree?, The System Administrator will have the opportunity to manage the technology infrastructures for multiple clients in a variety of different industries. This includes supporting and maintaining servers, desktops, firewalls, network equipment, software applications, backup systems, and more. We are looking for a technologically-savvy, detail-oriented, and self-motivated achiever who can provide outstanding service for our clients.

A Sigma System Administrator must have excellent interpersonal communication skills and be able to support multiple clients, projects, and deadlines while maintaining the ability to handle unexpected situations. Additionally, he/she must have a high level of autonomy while being able to work with and contribute to the rest of the team., * Bachelor's degree or 2-3 years of IT management experience

 * Minimum 1 year as a network/system administrator, IT manager or IT consultant
 * Prior experience handling multiple customers at an IT consultancy or MSP a big plus
 * Knowledge of common business operating systems and applications, including Windows, Windows Server and Office
 * Solid understanding of network technology and related concepts, such as LAN/WAN, TCP/IP, DNS, DHCP, VPN, SMTP, etc
 * Strong interpersonal communication skills, both written and verbal
 * Ability to interface professionally with customer executives and employees
 * Ability to see problems through to resolution and communicate progress and results to customers

## Description

* Deploy complex solutions involving a variety of technologies, such as Exchange, VMWare and Windows Server.
 * Coordinate internal and external resources and vendors.
 * Build new network and server environments.
 * Manage, maintain and upgrade existing servers, networks and desktops.
 * Maintain healthy working relationships with multiple customers, manage customer expectations, and regularly communicate status updates to customer contacts.
 * Understand customer business processes and goals and recommend technology solutions to improve those processes or achieve those goals.
 * Solve complex technical problems including, software deployments, server and desktop hardware issues and software problems., * Microsoft Exchange
 * VMware
 * Hyper-V
 * Remote Desktop Services
 * Windows Server
 * SQL Server
 * Firewalls (Fortinet, Palo Alto, etc)
 * Active Directory
 * Group Policy
 * Client Operating Systems
 * Networking
 * Microsoft Azure
 * Office 365
 * Amazon Web Services (AWS)


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