IT Systems Admin

LJA • Katy, TX

3h

About The Position

As an IT Systems Administrator at LJA Business Solutions, you will install, configure, document, administer, and troubleshoot core IT systems. The role supports on-premise and cloud-based infrastructure, server environments, Microsoft 365 services, and data center operations. You will help maintain system availability and security, document configurations and incidents, resolve technical issues, and collaborate with senior team members on technology improvements and automation. After-hours maintenance and troubleshooting may be required.

Requirements

• Associate degree in Computer Science, Information Technology, or a related field, or equivalent professional experience.
• At least 3 years of experience in IT infrastructure management, server environment support, or a similar role.
• Strong analytical, problem-solving, and troubleshooting skills.
• Basic understanding of networking concepts, including switches, firewalls, VLANs, IPs, and subnets.
• Familiarity with Active Directory management and Group Policy.
• Basic scripting knowledge in PowerShell or Batch files.
• Proficiency in Microsoft Windows Server administration.
• Good interpersonal and communication skills and 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.

Nice To Haves

• Experience with Microsoft 365 administration.
• Experience with virtual or 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 Active Directory.
• Experience with on-premise Active Directory.
• VMware, Nutanix, Microsoft, or cloud-based certifications.

Responsibilities

• Assist with administration and configuration of on-premise and cloud infrastructure, including virtual environments, Windows and Linux servers, and Microsoft 365 services.
• Manage Active Directory user and computer objects and security groups; support DNS, Group Policy, DHCP, and other integrated services.
• Monitor and troubleshoot server environments for capacity, performance, and potential issues.
• Maintain accurate infrastructure and standard operating procedure documentation, updating configuration, change, and incident records.
• Provide technical support and troubleshoot server, hardware, software, and network issues to minimize downtime and resolve problems promptly.
• Collaborate with senior team members to research and recommend technology improvements and integrate new services into existing infrastructure.
• Support implementation of automation scripts and processes for system administration.
• Perform data center operations, including server racking and stacking, hardware replacement, and annual refresh projects.
• Participate in after-hours maintenance and troubleshooting as needed.
• Document incidents, including root cause analyses.
• Complete assigned special projects and annual objectives.
• Respond promptly to inbound phone calls, emails, and automated alerts.
• Provide on-site support on flex days, nights, or weekends for emergencies or planned after-hours activities when needed.

Benefits

• Paid time off and paid holidays, plus a full office closure between Christmas and New Year’s.
• Multiple health and dental plan options, pet benefits, and mental health support.
• Paid maternity and parental leave.
• Tuition reimbursement and in-house courses through the Learning and Development team.
• Referral bonuses.
• Company-sponsored volunteer days and philanthropic initiatives.
• Memberships to industry organizations.
• Internal mobility and career advancement opportunities.
• LJA social events, employee sports teams, and bring-your-kid-to-work day.
• Employee Stock Ownership Plan (ESOP).

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: Associate degree