> Markdown version of [/jobs/ext/4429669-it-systems-admin](https://www.wearedevelopers.com/jobs/ext/4429669-it-systems-admin). 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 Admin - **Company:** LJA Engineering, Inc - **Location:** Katy, TX, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Automation of Tests, Microsoft Azure, Batch Files, Microsoft Online Services, Cloud Computing, System Configuration, Data Centers, Dynamic Host Configuration Protocol, Linux, Desktop Virtualization, Domain Name System (DNS), Subnetting, Microsoft Software, Windows Servers, Networking Basics, Windows PowerShell, Azure Active Directory, Microsoft SharePoint, Virtual Local Area Networks, Scripting, Cloud Platform System, In-Plane Switching (IPS), Office365, Virtual Environment, Firewalls (Computer Science), Microsoft InTune, Information Technology, Nutanix, Server Operating Systems & Platforms, Vmware - **Published:** October 14, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=dfdfea9d1daa7909 ## About the Role * Associate degree in Computer Science, Information Technology, or a related field, or equivalent professional experience, * 3+ years of experience in IT infrastructure management, supporting server environments, or a similar role * Strong analytical, problem-solving, and troubleshooting skills * Basic understanding of computer networking concepts (switches, firewalls, VLANs, IPs, subnets) * Familiarity with Active Directory management and Group Policy * Basic scripting knowledge (PowerShell or Batch files) * Proficiency in Microsoft Windows Server Administration * Good interpersonal and communication skills, with the ability to work effectively in a team environment * Strong organizational and time management skills * Ability to be proactive and work independently with minimal supervision * Document all incidents, including root cause analyses * Complete special projects and annual objectives as assigned * Promptly respond to inbound phone calls, emails, and automated alerts * Some on-site work may be needed on flex days, nights, or weekends for emergencies or planned after-hours activities, + Experience with O365 administration + Experience with Virtual/SAN storage environments + Experience with Virtual Desktop Infrastructure Systems + Experience with Nutanix infrastructure + Experience with Cohesity + Experience with Rubrik + Experience with PEER GFS + Experience with Intune + Experience with Azure AAD + Experience with On Premise Active Directory * Certifications: * + VMware, Nutanix, Microsoft, or cloud-based certifications LEVEL UP WITH LJA ## Description POSITION OVERVIEW: As an IT Systems Administrator at LJA Business Solutions, you will be responsible for installation, configuration, documentation, administration and troubleshooting of core IT systems., * Assisting in the administration and configuration of on-premise and cloud-based infrastructure services, including virtual environments (e.g., VMware, Nutanix AHV), server operating systems (Windows, Linux), and O365 environments (Azure Active Directory, Exchange Online, Intune, SharePoint, Microsoft Teams) * Managing user objects, computer objects, and security groups within Active Directory. Supporting the implementation and maintenance of integrated services; DNS, Group Policy configurations, DHCP, etc. * Monitoring and troubleshooting server environments daily for capacity, performance, and potential issues to ensure systems are running efficiently and securely * Maintaining accurate documentation for IT infrastructure and standard operating procedures. Updating documentation related to system configurations, changes, and incidents as needed * Providing technical support and troubleshooting for server environments, ensuring minimal downtime and prompt resolution of issues. Assisting in the remediation of system-related issues, including hardware, software, and network problems * Collaborating with senior team members to research and recommend technological innovations to enhance system efficiency. Assisting in integrating new services and technologies into the existing infrastructure * Supporting the implementation of automation scripts and processes to streamline system administration tasks * Performing data center operations, including server racking, stacking, hardware replacement, and annual refresh projects * Participating in after-hours maintenance and troubleshooting as needed. Providing support