Senior Systems Administrator

Job Summary

The Systems administrator – level 2, coordinates cross-functional efforts to set up and manage the Linux and Windows systems in the production lines ensuring system security, high availability, and performance. This position works closely with Testing Engineers (TE), Debug Engineers (PE), Quality Engineers (QE), IT Engineers (ITE), IT department, Electrical Engineers (EE), Software Engineers (SW), Engineering Product Managers (EPM), Manufacturing Program Managers (MPMs), and customers to manage Pre-executable Environment (PXE) servers and infrastructure for various projects at Quanta Manufacturing Fremont (QMF), and mitigate risks, and deliver initial setup on time and monitor the health of the infrastructure and take proper actions to resolve incidents or issues.

This position is part of the Engineering Services team, which works across departments to support the engineering and operation teams with technical expertise in Linux and Windows system admin.

It is an onsite role in Fremont, CA and available for on call for incidents handling.

• Installing, configuring, and upgrading Linux distributions (e.g., Ubuntu) Boot image (virtual image and ISO image), iPXE, Disk drive formatting and cloning, file system partitioning, virtual file system
• Security hardening:
  Implementing security protocols, managing firewall settings, and applying security patches to protect sensitive data
• User management:
  Creating, updating, and managing user accounts, groups, and permissions. Hands‑on with IAM.
• Server storage and networking:
  Managing disk storage and configuring network services (NFS, DNS, SSH), VLAN and switch routing at lever2 and lever 3.
• System monitoring:
  Using tools to monitor performance and uptime to guarantee system availability.
• Software services installation and automation. Developing and maintaining scripts (Bash, Python) to automate routine tasks. CRON jobs, Ansible/Jenkins scripting.
• Back‑up & Recovery. Implementing backup solutions and creating disaster recovery plans.
• Cloud – major public clouds and private open‑source clouds solutions. Cluster technologies include lifecycle management of Virtual Machines (VM), Docker and

• Install and set up physical servers as PXE servers.
• Configure and set up OS, networking, disk file systems and software and services on the PXE servers.
• 24x7 monitoring PXE infrastructure and responding to incidents
• Identifying and resolving hardware, software, and networking issues

• Serve as the central point of contact for all PXE lines
• Collaborate with internal customers to align on requirements, schedules, and deliverables.

• Proven ability to manage large‑scale Linux and Windows servers systems
• Strong understanding of server hardware architecture, system‑level validation, and the product lifecycle
• Experience coordinating across multi‑functional teams such as engineering, manufacturing, quality, and customer‑facing groups
• Strong leadership, organizational, and communication skills in a dynamic environment

• Bachelor's degree in Engineering, Information Systems, Computer Science, or an equivalent discipline
• 3+ years of hands‑on Linux server systems administration experience
• Certification such as Linux system admin, networking and/or cyber security strongly preferred

• Ability to walk and stand on cement floors for long periods
• Ability to stand, stoop, bend and performing repetitive tasks
• Must be able to lift to 30 pounds at a time
• Prolonged periods of sitting at a desk and working on a computer

Please note:

Our company does not guarantee immigration sponsorship. We may offer immigration sponsorship for employees in select critical roles. Any sponsorship will be subject to internal review and approval based on employee performance, current immigration law and business needs.

Pay: $ - $ per year

• 401(k)
• 401(k) matching
• Dental insurance
• Flexible spending account
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Vision insurance

• Linux: 3 years (Required)

• Fremont, CA 94538 (Required)

• In person