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Senior Linux Admin Jobs in Illinois (NOW HIRING)

Leidos

Senior Systems Administrator

Maryville, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Glen Carbon, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Hartford, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Roxana, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Granite City, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

South Roxana, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

East Carondelet, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Belleville, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Columbia, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

East Saint Louis, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Collinsville, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Madison, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Venice, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Wood River, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Edwardsville, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Fairview Heights, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Dupo, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

Leidos

Senior Systems Administrator

Caseyville, IL · On-site

$92K - $166K/yr

Leidos is seeking a Senior Systems Administrator to join our high-performing team on the Chinook ... Red Hat Enterprise Linux (RHEL) * VMware vSphere * Active Directory * DNS/DHCP * Group Policy

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All JobsLinux Admin JobsSenior Linux Admin JobsSenior Linux Admin Jobs in Illinois

Senior Linux Admin information

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How much do senior linux admin jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for senior linux admin in Illinois is $51.69, according to ZipRecruiter salary data. Most workers in this role earn between $46.59 and $55.91 per hour, depending on experience, location, and employer.

What are the most commonly searched types of Linux Admin jobs in Illinois?

The most popular types of Linux Admin jobs in Illinois are:

What cities in Illinois are hiring for Senior Linux Admin jobs?

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Senior Cassandra Consultant / DataStax DBA - NoSQL, 100% Onsite in Waukegan, IL

Next Step Systems

Waukegan, IL • On-site

Full-time

Medical, Retirement, PTO

Re-posted 17 days ago

Job description

Senior Cassandra Consultant / DataStax DBA - NoSQL, 100% Onsite in Waukegan, IL
We are looking for a Senior Cassandra Consultant / DataStax DBA with strong Database Administration experience to handle complex multi-cluster NoSQL Database environments. This is a 1-year contract with the possibility of an extension. This position is 100% onsite in Waukegan, IL, 5 days a week.
Senior Cassandra Consultant / DataStax DBA - NoSQL Responsibilities:
- Install, configure and upgrade DataStax Cassandra DBMS on multiple environments.
- Design and implement Cassandra data models, schemas, and resource plans.
- Monitor and maintain the performance, health, and security of Cassandra clusters.
- Troubleshoot and resolve database-related issues, including performance bottlenecks, data inconsistencies, and software bugs.
- Implement backup and recovery strategies, ensuring data integrity and minimizing downtime.
- Automate administrative tasks by using Ansible/other scripts for monitoring, maintenance, and deployment.
- Creating new and modifying existing Ansible playbooks.
- Stay updated with DataStax and Cassandra releases, new features, security patches, and industry best practices.
Senior Cassandra Consultant / DataStax DBA - NoSQL Qualifications:
- Bachelor's degree in computer science, information technology, or a related field.
- Minimum of 9+ years of experience in handling NoSQL database.
- Strong knowledge of the DataStax Enterprise (DSE) platform, Cassandra architecture, and NoSQL concepts.
- Proficient in installing, configuring, and troubleshooting DataStax Enterprise (DSE) Cassandra clusters.
- Familiarity with Linux/Unix systems and Shell scripting.
- DataStax architecture and hands-on administration experience.
- The DataStax administrator role involves setting up the cluster, optimization of the read and write data, copying data from other file systems.
- Maintenance of DataStax NoSQL Database.
- Experience with Backup and restore/Recover strategies.
- Strong SQL experience.
- Certification of DataStax would be an added advantage.
Benefits include medical insurance, retirement plan, PTO, etc. Salary: 80K+ DOE. Keywords: Waukegan IL Jobs, Senior Cassandra Consultant / DataStax DBA - NoSQL, DataStax Cassandra DBMS, Ansible, NoSQL, DataStax Enterprise, DSE, Linux, UNIX, Shell Scripting, SQL, Database Administrator, Illinois Recruiters, Information Technology Jobs, IT Jobs, Illinois Recruiting
Looking to hire for similar positions in Waukegan, IL or in other cities? Our IT recruiting agencies and staffing companies can help.
We help companies that are looking to hire Senior Cassandra Consultants / DataStax DBAs - NoSQL for jobs in Waukegan, Illinois and in other cities too. Please contact our IT recruiting agencies and IT staffing companies today! Phone 630-428-0600 ext. 11 or email us at jobs@nextstepsystems.com. Click here to submit your resume for this job and others.
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