Secure Jump Host Admin: Linux, Audit & Access Control

Celestica Inc.; Indiana (PA); On-site; USD 63,000 - 88,000; Full time

Job summary

Celestica Inc. seeks an experienced RDL Jump Host Administrator to own system administration, security, and access control for isolation networks. You will manage local authentication and shell environments across air-gapped sites, aligned with export-control requirements.

The role emphasizes compliance, logging integrity, and incident readiness, with collaboration across RDL teams and labs in multiple global centers.

Qualifications

• Bachelor’s degree in Computer Science, Network Administration, or equivalent required.
• 4+ years of Linux system administration and security hardening experience.
• Experience with Zscaler ZTNA, CyberArk vPAM, and decentralized local authentication.
• Strong audit/logging design and validation skills.

Responsibilities

• Deploy and harden Linux jump hosts (Rocky/Ubuntu/CentOS) in VMware/Hyper-V.
• Implement interactive banners and user-acceptance gates for export-controlled VLANs.
• Configure robust logging, tamper-proof audits, and log integrity measures.
• Coordinate with the RDL Network Architect and engineers for secure access.

Skills

Linux OS administration

SSH / PAM configuration

Audit logging

Zscaler ZTNA / CyberArk vPAM

VMware ESXi / Hyper-V

Education

Bachelor's degree in Computer Science / Network Administration

Tools

VMware ESXi / vCenter

Microsoft Hyper-V

Rsyslog / Journald

SSHD configuration

Job description

Celestica Inc. seeks an experienced RDL Jump Host Administrator to own system administration, security, and access control for isolation networks. You will manage local authentication and shell environments across air-gapped sites, aligned with export-control requirements.

The role emphasizes compliance, logging integrity, and incident readiness, with collaboration across RDL teams and labs in multiple global centers.