Demo

IT Systems Admin

LJA 2025
Katy, TX Full Time
POSTED ON 12/5/2025 CLOSED ON 12/19/2025

What are the responsibilities and job description for the IT Systems Admin position at LJA 2025?

WHAT LJA HAS TO OFFER

LJA is offering an exciting opportunity that will allow you to reach your full career potential. The structure of our organization is designed to amplify your capabilities while gaining the benefits of being an employee-owner. What truly sets this opportunity apart is the chance to collaborate every day with dedicated, skilled, and supportive leaders. Whether you are in the office, in the field, or behind the scenes, working at LJA gives you the chance to grow through hands-on experience and exposure to a broad range of clients and services.

WHAT MAKES LJA DIFFERENT

At LJA, our employee-owners take pride in their work and their workplace. We’re guided by leaders who foster a culture of respect, collaboration and a shared vision of success. Our difference is evident in the experiences and opportunities we provide:

  • Employee-owned. Client-focused
  • Employee Stock Ownership Plan (ESOP)
  • Consistently ranked as a Top Workplace
  • Internal recruitment team, in-house training, and a marketing department specific to our industry
  • We celebrate flexibility, allowing every team and office to lead with their proven approach
  • Our culture champions continuous learning and personal growth
  • We believe success comes through constant evolution and communication
  • We are passionate about having fun and making money, all while creating impact

POSITION OVERVIEW: As a IT Systems Admin at LJA Business Solutions, you will be responsible for installation, configuration, documentation, administration and troubleshooting of core IT systems. 

A TYPICAL DAY MIGHT INCLUDE:

  • System Administration: Assist 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).
  • Active Directory and User Management: Manage user objects, computer objects, and security groups within Active Directory. Support the implementation and maintenance of integrated services; DNS, Group Policy configurations, DHCP, etc... 
  • System Monitoring and Maintenance: Proactively monitor and troubleshoot server environments daily for capacity, performance, and potential issues to ensure systems are running efficiently and securely.
  • Documentation: Maintain accurate documentation for IT infrastructure and standard operating procedures. Update documentation related to system configurations, changes, and incidents as needed. 
  • Support and Troubleshooting: Provide technical support and troubleshooting for server environments, ensuring minimal downtime and prompt resolution of issues. Assist in the remediation of system-related issues, including hardware, software, and network problems. 
  • Innovation and Integration: Collaborate with senior team members to research and recommend technological innovations to enhance system efficiency. Assist in integrating new services and technologies into the existing infrastructure. 
  • Automation: Support the implementation of automation scripts and processes to streamline system administration tasks. 
  • Perform data center operations, including server racking, stacking, hardware replacement, and annual refresh projects.
  • After-Hours and Remote Support: Participate in after-hours maintenance and troubleshooting as needed. Provide support

    REQUIRED EDUCATION/LICENSE/CERTIFICATIONS:

    • Associate degree in Computer Science, Information Technology, or a related field, or equivalent professional experience. 

    REQUIRED QUALIFICATIONS:

    • 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

       IDEALLY, YOU SHOULD ALSO HAVE:

      • 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 Director

       LEVEL UP WITH LJA

      At LJA, we’re 100% employee-owned. This drives results, rewards ambition and supports long-term success for every team member. With almost 100 locations and 3,000 employee-owners (and growing), we’re building something big! We want you to be part of it. Your future grows here.

      • Generous Time Off: PTO, paid holidays, and a full office closure between Christmas and New Year’s.
      • Comprehensive Benefits: Multiple plan options for health, dental, and pets. Along with mental health support.
      • Family Support: Paid maternity and parental leave to help you focus on what matters most.
      • Education Support: Tuition reimbursement and in-house courses provided by our Learning and Development team.
      • Referral Bonuses: Know great talent? Get rewarded for helping us grow.
      • Community Impact: Company-sponsored volunteer days and philanthropic initiatives.
      • Professional Development: Memberships to industry organizations to keep you connected and growing.
      • Career Growth: Great internal mobility opportunities to advance your career.
      • Fun Culture: LJA social events, employee sports teams, bring your kid to work day, etc.

      To Executive Search Firms & Staffing Agencies: LJA Engineering, Inc. and its subsidiaries do not accept unsolicited resumes from any agencies that have not signed a service agreement. All unsolicited resumes will be considered LJA's property. This includes resumes submitted directly to hiring managers without contacting LJA's Human Resources Talent Department.

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      $83,524 to $105,865
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