Hybrid Linux Systems Engineer: RHEL, VMware & Azure

Sentinel Technologies Inc.; Chicago (IL); Hybrid; USD 82,000 - 110,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

401(k) with company match

Pension plan

Paid time off and holidays

Bonus opportunities

Job summary

Sentinel Technologies, Inc. seeks a Linux Systems Engineer for a Direct Hire hybrid role based in downtown Chicago, IL.

You will install, administer, and support RHEL, VMware ESXi, HPE infrastructure, and Azure environments hosting Oracle apps and enterprise services. Responsibilities include ensuring availability, performance tuning, automation, patching, and DR across data centers and manufacturing locations.

Qualifications

• 2+ years of experience supporting enterprise Linux and virtualized infrastructure in on-premises/cloud environments.
• Hands-on experience with Red Hat Satellite for patching and lifecycle management.
• Strong automation and scripting with Ansible and CI/CD practices.
• Knowledge of HPE server infrastructure and backup/recovery solutions (Veeam/Avamar).
• Solid understanding of Linux networking and security (TCP/IP, DNS, NFS, HTTP/S).
• Experience with mission-critical applications in a 24/7 environment; Oracle, Docker, or Kubernetes a plus.
• Ability to document processes, manage change controls, and drive improvements.
• Legally authorized to work in the US without sponsorship.

Responsibilities

• Install, administer, and support Red Hat Enterprise Linux, VMware ESXi, HPE infrastructure, and Azure cloud environments.
• Maintain system availability, performance tuning, patching, monitoring, security, and disaster recovery.
• Handle infrastructure upgrades across data centers and manufacturing locations.
• Troubleshoot hardware and software issues; manage capacity and backups.
• Participate in 24/7 on-call rotation and document standards.

Skills

Linux

VMware

Hybrid on-prem/cloud

Ansible

CI/CD

Automation scripting

Networking & security

Oracle (plus)

Docker/Kubernetes

Documentation & collaboration

Tools

Red Hat Satellite

HPE server infrastructure

Veeam

Avamar

Job description

Sentinel Technologies, Inc. seeks a Linux Systems Engineer for a Direct Hire hybrid role based in downtown Chicago, IL.

You will install, administer, and support RHEL, VMware ESXi, HPE infrastructure, and Azure environments hosting Oracle apps and enterprise services. Responsibilities include ensuring availability, performance tuning, automation, patching, and DR across data centers and manufacturing locations.