> Markdown version of [/jobs/ext/3994039-it-systems-administrator](https://www.wearedevelopers.com/jobs/ext/3994039-it-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # IT Systems Administrator - **Company:** Velarium Group LLC - **Location:** Houston, TX, United States - **Salary:** $75,000.0 - $80,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Backup Devices, Microsoft Online Services, Business Software, Dynamic Host Configuration Protocol, File Systems, Domainkeys Identified Mail, Domain-Based Message Authentication Reporting and Conformance (DMARC), Domain Name System (DNS), Multi-Factor Authentication, Firmware, Networking Hardware, Subnetting, Virtual Private Networks (VPN), Network Architecture, Networking Basics, Windows PowerShell, Anti-Phishing, Microsoft SharePoint, TCP/IP, User Provisioning Software, Virtual Local Area Networks, Wireless Access Point, Scripting, Internet Protocol Telephony, Firewalls (Computer Science), Microsoft Onedrive, Sender Policy Framework (SPF), Odoo, Information Technology - **Published:** October 28, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=9be76621315c408b ## About the Role * Hands-on experience administering TP-Link Omada networks, including multi-site management * Experience installing and terminating structured cabling * Experience administering Synology or comparable NAS platforms * Experience administering Microsoft 365, including Entra ID, Exchange Online, and SharePoint * Strong understanding of networking fundamentals: TCP/IP, DHCP, DNS, subnetting, VLANs, and firewalls * Working knowledge of email security practices, including MFA, SPF, DKIM, and DMARC * Ability to work on ladders and in attics, crawl spaces, and industrial environments, and to lift up to 50 lbs * Valid driver's license and reliable transportation for travel between company locations * Strong communication skills and the ability to work independently Preferred Qualifications * Experience supporting multiple organizations or Microsoft 365 tenants * Experience with Odoo or a comparable ERP or helpdesk platform * Experience with surveillance, access control, or VoIP systems * PowerShell or other scripting experience * CompTIA A+, Network+, Security+, or equivalent certifications ## Description Velarium Group, LLC is seeking a hands-on IT Systems Administrator to support its group of six operating companies. This role is responsible for the day-to-day operation, security, and maintenance of the organization's network infrastructure, Microsoft 365 environments, file storage systems, and end-user technology. The ideal candidate is a versatile generalist who is equally effective configuring systems and performing physical installation work in office and industrial plant environments., * Administer and maintain a multi-site TP-Link Omada network, including gateways, switches, wireless access points, VLANs, DHCP, and VPN * Install, terminate, and test structured cabling (Cat5e/Cat6) and mount network equipment * Manage multiple Microsoft 365 tenants, including user provisioning and deprovisioning, licensing, multi-factor authentication, Exchange Online, SharePoint, OneDrive, and Teams * Administer Synology NAS systems, including shared folders, access permissions, firmware and security updates, and backup operations * Manage and resolve support requests through the company helpdesk system * Support and secure remote access solutions for staff * Monitor for and respond to security events, including phishing attempts, suspicious sign-in activity, and compromised accounts * Deploy and troubleshoot printers, scanners, workstations, and business applications * Maintain accurate documentation of systems, configurations, and procedures * Communicate technical issues and solutions clearly to non-technical staff and leadership * Support additional technology initiatives as business needs require