Network Administrator

Position Overview:

We are seeking an experienced Network Administrator for an on-site contract in Austin, TX.

Responsibilities:

The Network Administrator is responsible for installing, configuring, maintaining, and supporting the organization s network infrastructure, including local area networks (LANs), wide area networks (WANs), wireless networks, and Internet systems. This position ensures network availability, performance, and security by monitoring, maintaining, and troubleshooting network hardware, software, and related systems.

• Administer and manage Windows Server environments (2012 or later) within an Active Directory domain.
• Manage Microsoft 365 services including user provisioning, mailbox administration, Teams, and SharePoint support.
• Configure and support TCP/IP core services including LDAP, DHCP, DNS, and SMTP.
• Manage access control lists, Group Policy Objects (GPOs), file and print services, and automation platforms.
• Provide operational support for VOIP-based phone systems and imaging/document management systems.
• Install, configure, and maintain Cisco networking hardware including routers, switches, firewalls, and VPNs.
• Administer Meraki wireless infrastructure and support LAN/WAN infrastructure, wireless access points, and telecommunications systems.
• Monitor network performance and health using tools such as PRTG, MRGT, and ManageEngine; troubleshoot and resolve issues to minimize downtime.
• Maintain network support software; perform hardware and software updates and upgrades.
• Prepare documentation for audits, compliance, and internal reporting.
• Perform tuning and capacity planning to enhance network performance and scalability.
• Coordinate the development, implementation, and maintenance of network security measures.
• Provide user training and technical support as needed; prepare and deliver training courses on network utilities and systems.
• Assist with evaluating new or upgraded hardware/software and report on potential benefits and risks.

Minimum Qualifications:

• 3 years experience in Network Administration or Support Roles
• Strong knowledge of Microsoft server environments, Microsoft 365, and virtualization platforms (eg., VMware, Hyper-V).
• 3 years of hands-on experience with Cisco and Meraki network equipment and VoIP systems

Preferred Qualifications:

• 3 years of previous experience documenting and supporting compliance-driven IT environments
• 3 years of administering and managing Windows Server environments (2012 or later) within an Active Directory domain
• 3 years experience managing access control lists, Group Policy Objects (GPOs), file and print services, and automation systems.
• 3 years experience supporting imaging/document management systems and providing operational support for VoIP-based phone systems
• experience configuring and supporting core TCP/IP services such as LDAP, DHCP, DNS, SMTP
• 3 years experience working within virtualized environments (e.g., VMware, Hyper-V) to support system uptime and scalability
• 3 years experience administering Cisco networking equipment including routers, switches, firewalls, and VPN infrastructure
• 3 years experience supporting internal LAN/WAN infrastructure, wireless access points, and all telecommunications systems
• 3 years experience administering and troubleshooting Meraki wireless infrastructure.
• 3 years experience monitoring and analyzing network performance using tools such as PRTG, MRGT, and ManageEngine
• Experience performing software and hardware updates, upgrades, and proactive troubleshooting to minimize downtime
• 3 years experience maintaining Microsoft 365 services including user account provisioning, mailbox management, Teams, and SharePoint

What We Offer:

Sistema offers competitive pay and solid benefits, including medical, dental, and vision coverage. We keep things simple, focus on people, and prioritize long-term relationships with our clients and consultants.

Apply now if you re a clear communicator, problem solver, and ready to work on-site in Austin, TX!