Information Technology System Administrator

Trillium Engineering•Addison, TX

2d•Onsite

About The Position

This position is responsible for maintaining, securing, and supporting the organization’s internal IT systems and end-user computing. This role focuses on reliability, availability, and security of internal infrastructure while delivering responsive, compliant support to employees. The Systems Administrator ensures systems are configured securely, access is properly controlled, changes are documented, and internal users are enabled to work efficiently without compromising security or compliance. The role requires strong attention to detail, adherence to security requirements, and the ability to balance usability with compliance.

Requirements

Associate’s or Bachelor’s degree in Information Technology, Computer Science, Information Systems, or a related technical field. Equivalent combination of education, certifications, and hands-on experience will be considered.
2 years of experience in an IT support, help desk, or systems administration role.
Working knowledge of Windows, macOS, Linux, Active Directory, Microsoft 365, endpoint protection solutions, secure remote access tools, and common business applications.
Experience supporting networks, laptops, mobile devices, and conferencing equipment.
Demonstrated problem-solving abilities and strong communication skills, with experience effectively engaging and collaborating across all levels of the organization.
Basic knowledge of cybersecurity and data protection best practices.
Ability to multitask, prioritize, and remain organized in a fast-paced environment.

Responsibilities

Serve as the first point of contact for IT support requests received via ticketing system, phone, email, or in person.
Triage, assign, and escalate support requests based on severity and skill requirements.
Provide hands-on troubleshooting and support for hardware, software, networks, user accounts, and mobile devices.
Onboard and offboard employees, including account provisioning, equipment configuration, and access permissions.
Maintain accurate and organized documentation related to systems, processes, assets, and ticket resolution.
Coordinate maintenance, repairs, and replacements of IT equipment with vendors and internal teams.
Assist with lifecycle management of hardware and software, including procurement and inventory management.
Support security best practices including compliance, patching, backups, access controls, and monitoring.
Handle CUI and sensitive information in accordance with NIST/CMMC requirements and internal policies.
Monitor and support implementation of security policies, MFA, and access controls.
Assist with cybersecurity awareness, phishing escalations, and incident response steps.
Ensure systems and devices meet company and regulatory compliance requirements.
Track and report support metrics, common issues, and service performance improvements.
Participate in IT projects, rollouts, and technology upgrades.
Provide basic training and guidance for end users on systems, policies, and best practices.
Other duties as assigned.