IT Support Technician III

Sierra Nevada Corporation

IT Support Technician III providing expert-level technical support within ISR and aviation systems. Mentoring junior technicians and maintaining IT infrastructure projects.

Posted 6/18/2026full-timePlano • Colorado, Texas • 🇺🇸 United StatesMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

Lead troubleshooting and resolution of critical hardware and software issues.
Mentor and train junior IT support technicians.
Maintain and update IT inventory and asset management records.
Ensure compliance with company IT policies and procedures.
Assist in training end-users on the proper use of IT systems and applications.
Respond to helpdesk tickets and resolve moderate compute issues in a timely manner.
Conference room support and maintenance.
Maintain and update IT inventory and asset management records.

Requirements

What you’ll need

Associate’s degree in a related field of study.
3+ years of relevant experience.
Relevant experience can be considered as a substitute for the required educational qualifications.
In the absence of a degree, a minimum of 5 years of related experience is required.
Higher level relevant degree may substitute for experience.
Experience in utilizing AI tools to enhance troubleshooting and ticket resolution processes, ensuring timely and effective problem-solving.
Understanding of AI operations and proven ability to assist users effectively in utilizing and navigating AI systems, including answering front-line questions on how to best utilize AI tools.
Advanced understanding of computer hardware, software, and network troubleshooting.
Strong leadership and communication skills.
Customer/solution ownership, an overall drive for excellence.
Team focused with the capacity for knowledge sharing.
Strong written and verbal communication skills with end users.
Drive to maintain current knowledge of industry trends and potential impact on the business.
Demonstrate a customer care philosophy that ensures a high level of customer satisfaction.
Ability to understand user and business needs and translate to technical solutions.
In-depth knowledge of current IT technical standards as related to computers, printers, network technology, drivers, software troubleshooting, VPN technologies, RSA, Video Teleconference (VTC), and other related peripherals.
Comprehensive troubleshooting skills of industry standard hardware and software products/services.
The ability to obtain and maintain a Secret U.S. Security Clearance is required.

Benefits

Comp & perks

medical, dental, and vision plans
401(k) with 150% match up to 6%
life insurance
3 weeks paid time off
tuition reimbursement
more

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

troubleshootinghardware issuessoftware issuesnetwork troubleshootingAI toolsVPN technologiesRSAVideo Teleconference (VTC)asset managementIT inventory management

Soft Skills

leadershipcommunication skillscustomer ownershipteam collaborationknowledge sharingcustomer care philosophyproblem-solvinguser assistancedrive for excellenceunderstanding user needs

Certifications

Associate’s degreeSecret U.S. Security Clearance