Linux Systems Administrator

Sentinel is seeking a Linux Systems Engineer for one of our strategic partners. This administrator is responsible to install administer and support Red Hat Enterprise Linux VMware ESXi HPE infrastructure and Azure cloud environments that host critical Oracle and enterprise applications. This role is responsible for system availability performance tuning automation patching monitoring security disaster recovery and infrastructure upgrades across data centers and manufacturing locations. The engineer will troubleshoot hardware and software issues manage capacity and backups support change management processes document standards and participate in a 24/7 on-call rotation. Success requires strong problem-solving skills proactive system management and collaboration with internal teams and vendors.

This is a Direct Hire hybrid role based in downtown Chicago IL

• 2 years of experience supporting enterprise Linux and virtualized infrastructure including Red Hat Enterprise Linux VMware and hybrid on-premises/cloud environments.
• Hands-on experience with Red Hat Satellite for patching upgrades system lifecycle management and maintaining highly available production environments.
• Strong automation and scripting skills with experience in Ansible CI/CD processes and automating system administration tasks such as provisioning patching and monitoring.
• Knowledge of HPE server infrastructure SAN/storage technologies and backup/recovery solutions (Veeam Avamar or similar) with a focus on availability performance and disaster recovery.
• Solid understanding of Linux operating systems networking and security including TCP/IP DNS NFS HTTP/S vulnerability remediation and infrastructure hardening.
• Experience troubleshooting and supporting mission-critical applications and infrastructure in a 24/7 production environment with Oracle Docker or Kubernetes experience considered a plus.
• Strong problem-solving communication and collaboration skills with the ability to document processes manage change controls and drive continuous infrastructure improvements.
• Legally authorized to work in the US without sponsorship
• Must demonstrate a can-do attitude

We focus on candidates that display our ACE factor Attitude Compassion and Enthusiasm to deliver quality solutions with exceptional customer service.

Compensation Range:

$82000-$110000/annually

What you get:

Our partner offers a comprehensive benefits package starting on day one including medical dental and vision coverage with the company covering approximately 75% of premium costs. Employees are eligible for both a 401(k) with company match and a pension plan along with optional benefits such as life accident legal and pet insurance. The company also provides annual or quarterly bonus opportunities tied to safety quality and productivity performance as well as paid time off and paid holidays.

IT happen!

Sentinel Technologies Inc. has been rated a top workplace every year since 2012!

About Us:

Sentinel delivers solutions that can efficiently address a range of IT needs from security to communications to systems & networks to software applications to cloud and managed services; all of which include our staffing solutions for our clients. Since 1982 Sentinel has grown from providing technology maintenance services to our current standing as one of the leading IT services and solutions provider in the US. We have aligned with many of todays global technology leaders including Cisco Dell VMware and Microsoft. Sentinel services customers both nationally and internationally with primary support operating centers in Downers Grove (HQ) Chicago and Springfield IL; Phoenix AZ.; Lansing and Grand Rapids MI; Milwaukee WI; and Denver CO.

If you are MOTIVATED you can make IT happen at Sentinel. Our commitment to our employees is to create a work environment that encourages creativity an entrepreneurial spirit fosters growth through certification and hands-on training and values a team-oriented culture with rewards based on impact!

If you share our passion about what technology can do and want to be part of a top workplace environment wed like to have you join our team. Learn more at

As part of Sentinels employment process candidates will be required to complete a background check. Only those who meet the minimum requirements will be contacted. No phone calls please.

Sentinel is proud to be an equal opportunity employer including disability and accordance with Title VII and state regulations all qualified applicants will receive consideration for employment without regard to race color religion age sex sexual orientation gender identity national origin marital status pregnancy genetics disability military veteran status or any other basis protected by law.

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Experience:

Unclear Seniority