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Senior Unix Engineer Jobs in Illinois (NOW HIRING)

CCS Global Tech

Sr. Elastic Engineer

Scott Air Force Base, IL · On-site

$110K - $151K/yr

We are seeking a Sr. Elastic Engineer to join our Professional team. The ideal candidate has hands ... Strong Linux/Unix, networking, and cloud platform knowledge (AWS, Azure, Google Cloud Platform)

Capital One

Senior Lead Data Engineer

Chicago, IL

Senior Lead Data Engineer Do you love building and pioneering in the technology space? Do you enjoy ... UNIX/Linux including basic commands and shell scripting * 2+ years of experience with Agile ...

W. W. Grainger

Senior Software Engineer

Chicago, IL · On-site

$112.90 - $188.10/hr

About the position As a Senior Software Engineer (Software Engineer III) you will be involved in ... similar Unix/Linux shells. Compensation The anticipated base pay compensation range for this ...

Capital One

Senior Lead Data Engineer

Chicago, IL

Senior Lead Data Engineer Do you love building and pioneering in the technology space? Do you enjoy ... UNIX/Linux including basic commands and shell scripting * 2+ years of experience with Agile ...

Capital One

Senior Lead Data Engineer

Chicago, IL

Senior Lead Data Engineer Do you love building and pioneering in the technology space? Do you enjoy ... UNIX/Linux including basic commands and shell scripting * 2+ years of experience with Agile ...

Early Warning Services

Sr. Splunk Engineer

Chicago, IL · Hybrid

$118K - $161K/yr

The Senior Splunk Engineer maintains the logging infrastructure for Splunk Enterprise and other ... Unix/Linux administration background a strong plus * Experience with Splunk ES / UBA * Logging ...

Capital One

Senior Lead Data Engineer

Chicago, IL

Senior Lead Data Engineer Do you love building and pioneering in the technology space? Do you enjoy ... UNIX/Linux including basic commands and shell scripting * 2+ years of experience with Agile ...

CultureFit

Sr. Gateway | Market Data Developer

Chicago, IL

$56.25 - $74.25/hr

Sr. Gateway | Market Data Developer We are seeking a Senior Software Developer focused on exchange ... Unix systems Experience using network tools such as Wireshark and TCPDump to monitor and debug ...

DomainTools

Senior Software Engineer

Chicago, IL

$126K - $166K/yr

DomainTools is hiring a Senior Software Engineer to join our Engineering Team. This role is perfect ... Unix environments. * Excellent written and verbal communication skills. * Proven ability to ...

Domaintools

Senior Software Engineer

Chicago, IL · On-site

$140 - $190/hr

DomainTools is hiring a Senior Software Engineer to join our Engineering Team. This role is perfect ... Unix environments. * Excellent written and verbal communication skills. * Proven ability to ...

Democorp

Sr. DevOps Engineer (Greenberg)

Chicago, IL · On-site

$133K - $172K/yr

What makes this Support Engineering role on the Prime team particularly interesting? • The ... Prior experience with UNIX system administration is a plus. * Data analytics/BI

1 point system

Sr. Data Engineer

Chicago, IL · On-site

$118K - $141K/yr

Requirement - Sr. Data Engineer Location- Chicago, IL (Hybrid- 03 days onsite and 02 days remote ... Python or Unix Scripting * Proficient in SQL, PL/SQL, relational databases (RDBMS), database ...

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Showing results 21-40

All JobsUnix Engineer JobsSenior Unix Engineer JobsSenior Unix Engineer Jobs in Illinois

Senior Unix Engineer information

See Illinois salary details

$57.7K

$122.6K

$177.8K

How much do senior unix engineer jobs pay per year?

As of Aug 14, 2026, the average yearly pay for senior unix engineer in Illinois is $122,637.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,300.00 and $139,100.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior Unix engineer?

To thrive as a Senior Unix Engineer, you need deep expertise in Unix/Linux system administration, scripting, troubleshooting, and a relevant degree or equivalent experience. Familiarity with automation tools (such as Ansible or Puppet), shell scripting languages (like Bash or Perl), and certifications like RHCE or CompTIA Linux+ is highly valued. Strong problem-solving skills, effective communication, and the ability to mentor junior staff help set top performers apart in this role. These skills ensure reliable systems, smooth operations, and robust support for complex enterprise environments.

What does a senior Unix engineer do?

A Senior Unix Engineer is responsible for designing, implementing, and maintaining Unix-based systems within an organization. They handle advanced troubleshooting, system performance tuning, security configurations, and ensure the reliability and scalability of Unix infrastructure. In addition, they often mentor junior engineers, develop automation scripts, and collaborate with other IT teams to support business operations. Their expertise is crucial for managing large-scale, mission-critical environments.

What is the difference between Senior Unix Engineer vs System Administrator?

AspectSenior Unix EngineerSystem Administrator
CredentialsBachelor's in Computer Science, Unix/Linux certifications (e.g., RHCE, LPIC)Bachelor's in IT or related field, Linux/Unix certifications often preferred
Work EnvironmentDesigning, implementing, and maintaining Unix systems, often in enterprise environmentsManaging daily system operations, troubleshooting, and user support
Industry UsageTech, finance, healthcare, and large enterprisesVaries across industries, including small to large organizations
Search & Comparison IntentFocus on advanced Unix skills and system designFocus on operational support and system maintenance

The main difference is that Senior Unix Engineers focus on designing and optimizing Unix systems, while System Administrators handle daily operations and support. Both roles require similar certifications and work in related environments, but their responsibilities differ in scope and complexity.

What are some of the most common challenges faced by senior Unix engineers in a large enterprise environment?

Senior Unix Engineers in large enterprises often face challenges related to managing complex, heterogeneous server environments and ensuring high availability. Balancing routine maintenance, security patching, and system upgrades with the need to minimize downtime can be demanding. Additionally, staying up to date with evolving technologies and scripting languages, while coordinating with cross-functional teams like network, storage, and application groups, requires strong communication and problem-solving skills.

What are popular job titles related to Senior Unix Engineer jobs in Illinois?

For Senior Unix Engineer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Senior Unix Engineer jobs in Illinois look for?

The top searched job categories for Senior Unix Engineer jobs in Illinois are:

What cities in Illinois are hiring for Senior Unix Engineer jobs?

Cities in Illinois with the most Senior Unix Engineer job openings:

Senior Unix Engineer jobs near you

Sr. Elastic Engineer

CCS Global Tech

Scott Air Force Base, IL • On-site

$110K - $151K/yr

Other

Posted 6 days ago

Job description

CCS Global Tech is a rapidly growing Information Technology company with a diverse portfolio of technology products and services and a large network of industry partnerships. With over 22 years of being a successful business with a global talent pool and presence, CCS is a certified Microsoft Gold Partner and specializes in delivering expert Microsoft based solutions for technical and business needs. We have been recognized by Inc. 500 Magazine as one of the fastest growing small companies in the Unites States.
we are a Tier 1 vendor for the City and County of San Francisco for Cloud Services, Staffing Services and Training Services. For this multi-year opportunity with a diverse set of needs to address, we are currently focusing on establishing partnerships with individuals as well as companies who can help us enhance our overall service portfolio, cut lead times, and ultimately help us deliver successfully. We currently hold sizable Government accounts in the San Francisco bay area including City and County of San Francisco, San Mateo County, and Santa Clara County.
We take great pride in our global reach and local influence. Your experience alongside our highly skilled and talented internal team who guide you along the way, offers key insights into what helps you stand out in a competitive job market.
If you are a partner company, please submit resumes with contact information of your own W2 Consultants only. Submitted consultants are expected to have excellent communication skills.

Sr. Elastic Engineer
Scott AFB, Illinois, United States
Secret Clearance
$190,000 - $230,000
Job Description
Client is seeking a Sr. Elastic Engineer to work in our Scott AFB, IL office.
We are seeking a Sr. Elastic Engineer to join our Professional team. The ideal candidate has hands-on experience with Elastic Stack and enjoys designing, coding, and deploying complex systems. You will collaborate with engineering, DevOps, cloud, and client teams to deliver resilient, high-performance Elastic solutions while maintaining visibility into system health and operational workflows.
Key Responsibilities:
Design, deploy, and maintain Elastic Stack environments, including Elasticsearch, Kibana, Logstash, Beats, and Fleet.
Build and optimize ingestion pipelines, index strategies, search queries, dashboards, and automation workflows.
Write scripts, automation, and integrations (Python, PowerShell, Bash, etc.) to streamline operations, data processing, and monitoring.
Deploy Elastic across platforms, including on-premises, public cloud (AWS, Azure, Google Cloud Platform), GovCloud, and containerized environments (Kubernetes, Docker, OpenShift).
Leverage automation and orchestration tools such as Terraform, Ansible, CI/CD pipelines, and Docker to manage deployments and operational tasks.
Integrate Elastic with enterprise tools such as SIEMs, Splunk, CrowdStrike, and other telemetry sources.
Monitor system health, troubleshoot performance issues, and optimize for reliability and scalability.
Lead design reviews, provide guidance on Elastic best practices, and support knowledge sharing across teams.
Maintain documentation for architectures, deployment patterns, runbooks, and operational best practices.
Stay current with Elastic features, certifications, and emerging platform capabilities.
Required Skills
Splunk migration. New install: cluster install, possibly using Cribl, ECK
Deep, hands-on expertise with Elastic Stack (Elasticsearch, Kibana, Logstash, Beats, Fleet).
Strong scripting and automation skills (Python, PowerShell, Bash, etc.).
Solid understanding of observability, logging, metrics, and distributed systems.
Experience designing, deploying, and optimizing production-scale Elastic environments.
Strong Linux/Unix, networking, and cloud platform knowledge (AWS, Azure, Google Cloud Platform).
Ability to mentor, guide, and influence engineering teams on Elastic best practices.
Outstanding verbal and written communication skills.
Willingness and ability to support domestic or international on-site engagements.
U.S. Passport required.
Must have a Secret Clearance, at minimum.
Desired Skills
Familiarity with SIEM concepts, Elastic Security, or other SIEM/EDR platforms.
Experience with containerization and orchestration (Kubernetes, Docker, OpenShift).
Experience with automation/orchestration tools (Terraform, Ansible, CI/CD pipelines).
Familiarity integrating Elastic with endpoint telemetry or cloud-native tools.
Certifications (preferred):
Elastic Certified Engineer, Elastic Security Engineer, Elastic Observability Engineer
AWS Certified Solutions Architect or equivalent
Docker Certified Associate (DCA)
Certified Kubernetes Administrator (CKA)
HashiCorp Certified: Terraform Associate
Red Hat Certified Specialist in Ansible Automation
Prior experience in DevOps, Site Reliability Engineering, or cloud platform roles is a plus.
Experience designing dashboards, observability frameworks, and large-scale workflows.
Experience with the below:
Platforms: On-premises, Public Cloud (AWS, Azure, Google Cloud Platform), GovCloud, hybrid deployments
Containerization: Kubernetes, Docker, OpenShift
Automation: Terraform, Ansible, CI/CD pipelines, Docker
Integrations: SIEMs (Splunk, Elastic Security), endpoint/security telemetry (CrowdStrike), cloud-native services
Competing Technologies:
Splunk, OpenSearch, Solr, Lucene, Graylog, Datadog, Elastic Cloud alternatives

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