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Celestica

Research & Development Labs Network Admin

Celestica

RDL Network Administrator managing secure lab network operations at Celestica. Overseeing hardware, access management, and secure data transfers in laboratory settings.

Posted 6/18/2026full-timeRichardson • Texas • 🇺🇸 United StatesMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
ApacheFirewallsLinuxNGINXVMware

About the role

Key responsibilities & impact
  • Manage the day-to-day operations and administration of our global Research and Development Lab (RDL) networks.
  • Monitor the health, performance, and uptime of all RDL hardware.
  • Implement localized VLAN adjustments, IP address allocations, and switch port provisioning.
  • Execute hardware diagnostics, physical cabling checks, and firmware/OS updates.
  • Provision local user accounts and role-based permissions directly on Linux-based jump hosts.
  • Manage access credentials in a strict, decentralized non-Active Directory environment.
  • Execute and monitor the secure transfer of "transfer bundles" containing OS packages and software libraries across the air gap.
  • Act as the primary technical point of contact for HPS design engineers needing network troubleshooting.

Requirements

What you’ll need
  • Bachelor’s degree in Network Administration, Information Technology, Computer Science, or equivalent hands-on experience.
  • 4+ years of experience in network administration or system administration, preferably managing secure, segmented, or laboratory networks.
  • Practical experience configuring and troubleshooting Cisco switches (Catalyst/Nexus) and administering Checkpoint Firewalls.
  • Mid-to-senior level competency in Linux (Rocky, CentOS, Ubuntu)—specifically user management, bash scripting, basic routing, and running local web servers (Apache/Nginx).
  • Experience working with remote access tools such as Zscaler ZTNA / App Connectors and Privilege Access Management solutions.
  • Solid experience administering VMs, clusters, and virtual switches within VMware vSphere or Microsoft Hyper-V environments.
  • Working knowledge of secure file transfer protocols (SFTP, SCP, rsync) and security scanning methodologies.
  • Preferred Certifications: CCNA, CCSA, CompTIA Security+ or Linux+, CyberArk Certified Trustee or Defender.

Benefits

Comp & perks
  • Health insurance
  • 401(k) matching
  • Paid time off

ATS Keywords

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Hard Skills & Tools
network administrationsystem administrationLinuxbash scriptingCisco switchesCheckpoint FirewallsVMware vSphereMicrosoft Hyper-Vsecure file transfer protocolstroubleshooting
Certifications
CCNACCSACompTIA Security+Linux+CyberArk Certified TrusteeCyberArk Certified Defender