IT Infrastructure Support Specialist

Diodes Inc; Milpitas (CA); On-site; USD 70,000 - 90,000; Full time

Job summary

Diodes Incorporated is seeking a detail-oriented IT Infrastructure Engineer to maintain company network and server equipment and support end-users across U.S. operations, including our Global Headquarters.

This position reports to the US Infrastructure Manager. You will provide Tier 2 support for desktop, laptop, printer, mobile device, and application issues, manage onboarding/offboarding, and maintain Windows Server environments, AD/DNS/DHCP.

Qualifications

• Bachelor's degree in IT or related field is required.
• 3–5 years of help desk or network-related experience preferred.
• Excellent customer service and communication skills.
• Strong analytical and problem-solving abilities with multitasking.

Responsibilities

• Provide Tier 2 support for desktop, laptop, printer, mobile, and application issues.
• Manage onboarding/offboarding, provisioning, and access management.
• Support remote and onsite users including executive staff.
• Maintain Windows Server environments, AD, DNS, DHCP and related services.
• Install and troubleshoot switches, routers, APs, and firewalls.
• Monitor performance, capacity, and availability; propose improvements.
• Assist with upgrades, migrations, and technology refresh projects.
• Document infrastructure and create network diagrams and SOPs.
• Implement security best practices, patching, and access controls.
• Maintain incident/service/change records; coordinate with vendors.

Skills

Customer service

Communication

Analytical thinking

Time management

Documentation

Team collaboration

Education

Bachelor’s degree in Information Technology or related field

Tools

Windows OS

Windows Server

Active Directory

DNS

DHCP

TCP/IP

Microsoft 365

Intune

Entra

AppDeployment

Firewalls

Network monitoring

Endpoint management

Patch management

System backup

Job description

Salary Range: $70,000.00 To $90,000.00 Annually

About the Role

Diodes Incorporated is seeking a detail-oriented, motivated, and passionate IT Infrastructure Engineer to maintain company network and server equipment and support end-users throughout our U.S. operations, including our Global Headquarters. This position reports to the US Infrastructure Manager.

What You’ll Do

• Provide Tier 2 technical support for desktop, laptop, printer, mobile device, and application issues.
• Support user onboarding and offboarding, including account provisioning, equipment deployment, and access management.
• Support remote and onsite users, including VP, SVP, and C-suite employees.
• Maintain and support Windows Server environments, Active Directory, DNS, DHCP, and related infrastructure services.
• Install, configure, monitor, and troubleshoot switches, routers, wireless access points, and firewalls.
• Monitor infrastructure performance, capacity, and availability and proactively identify improvement opportunities.
• Assist with infrastructure upgrades, system migrations, and technology refresh projects.
• Create and maintain infrastructure documentation, network diagrams, standards, and operating procedures.
• Implement and maintain security best practices, including patch management, endpoint security, and access controls.
• Maintain accurate incident, service request, and change management records.
• Coordinate with vendors and service providers to resolve technical issues and maintain support contracts.
• Participate in after-hours maintenance activities and on-call rotations as required.

Tools You’ll Use

• Windows operating systems, Windows Server, Active Directory, DNS, DHCP, NAT, and TCP/IP networking
• Microsoft 365 services, including Intune, Entra, and AppDeployment
• Switches, routers, wireless access points, firewalls, network monitoring tools, endpoint management, patch management, and system backup solutions
• Microsoft Office, printers, mobile devices, and common enterprise applications

What You’ll Gain

• Build strong connections through networking and mentoring with members of Diodes’ highly skilled workforce
• Collaboration and exposure to a global team and resources
• Gain Practical, project-based experience that strengthens your technical and professional skills.

Who You Are

• Bachelor’s degree in Information Technology or a related field required.
• At least 3-5 years of experience with help desk or network-related duties.
• Excellent customer service and communication skills.
• Strong analytical and problem-solving abilities with the ability to prioritize multiple tasks in a fast-paced environment.
• Detail-oriented with strong documentation, organizational, and time-management skills.
• Ability to work independently and collaboratively within a team.
• Willingness to continuously learn and adapt to emerging technologies.
• Vendor certifications such as CompTIA, Microsoft, Cisco, Palo Alto, or VMware are preferred.

Life at Diodes

Diodes Incorporated delivers advanced analog and power semiconductor solutions to the world’s leading technology companies, driving innovation, efficiency, and performance across high-growth markets. Our teams collaborate across engineering, manufacturing, and corporate functions in a fast-paced, transparent culture guided by Integrity, Commitment, and Innovation.

We design reliable technology that improves the world—while prioritizing sustainability, safety, and employee well-being.

Our Vision: Inspire future technology through leading semiconductor solutions.

Diodes Incorporated is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws

The anticipated annual base salary range for this position is $70,000 to $90,000 . Actual compensation will be determined based on factors such as experience, skills, qualifications, education, location, and business needs. In addition to base salary, employees may be eligible for incentive compensation and a comprehensive benefits package. This salary range represents the Company's good-faith estimate of the compensation it reasonably expects to pay for this position at the time of posting.