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Senior Unix Engineer Jobs in Illinois (NOW HIRING)

The University of Chicago

Senior Platform Engineer

Chicago, IL · On-site +1

$107K - $147K/yr

The Senior Platform Engineer provides production support, production monitoring, CI/CD design ... Unix/Linux programming or system administration experience. * Experience with OpenStack and AWS p ...

Motorola

Sr. Systems Engineer

Schaumburg, IL · On-site

$90K - $100K/yr

We are seeking a Sr. Systems Engineer to serve as a high-level technical escalation point for our ... 10, and Linux/UNIX environments * Networking & Infrastructure experience with LAN/WAN ...

Stellar IT Group

Senior Data Analyst

Chicago, IL · On-site

$88K - $111K/yr

... engineering and analytics initiatives. This role requires strong technical expertise, hands-on ... Linux / Unix : Comfortable with shell scripting for navigation and automation. * Dashboarding ...

Ness Digital Engineering

Sr. Streaming Engineer

Chicago, IL · Hybrid

$126K - $166K/yr

... Unix/Linux environments, event-driven systems, transaction processing systems, distributed and parallel systems, large software system development, security software development, public-cloud ...

Ness Digital Engineering

Sr. Streaming Engineer

Chicago, IL · Hybrid

$126K - $166K/yr

... Unix/Linux environments, event-driven systems, transaction processing systems, distributed and parallel systems, large software system development, security software development, public-cloud ...

Ness Digital Engineering

Sr. Streaming Engineer

Chicago, IL · Hybrid

$126K - $166K/yr

... Unix/Linux environments, event-driven systems, transaction processing systems, distributed and parallel systems, large software system development, security software development, public-cloud ...

Ness Digital Engineering

Sr. Streaming Engineer

Chicago, IL · On-site +1

$126K - $166K/yr

... Unix/Linux environments, event-driven systems, transaction processing systems, distributed and parallel systems, large software system development, security software development, public-cloud ...

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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

Senior Oracle APEX Developer II

Contact Government Services, LLC

Chicago, IL • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 9 days ago

Job description

Senior Oracle APEX Developer II
Employment Type: Full-Time, Entry-Mid Level
Department: Information Technology
 
CGS is hiring a Senior Oracle APEX Developer to support a range of IT services, including software application support, enterprise infrastructure support, service desk, ITSM, deskside support, workstation engineering and maintenance, telecommunications and mobility engineering services, managed print services, Active Directory services, and video conferencing. The ideal candidate will be personable and articulate and will focus on making sure that the customer's needs are met quickly and effectively.  The successful candidate will be a self-starter who can work with limited supervision.  Excellent communication skills are required to effectively interface with customers to understand requirements and mission needs, and then be able to translate them into actions.
 
CGS brings motivated, highly skilled, and creative people together to solve the government's most dynamic problems with cutting-edge technology. To carry out our mission, we are seeking candidates who are excited to contribute to government innovation, appreciate collaboration, and can anticipate the needs of others. Here at CGS, we offer an environment in which our employees feel supported, and we encourage professional growth through various learning opportunities. 
 
Skills and attributes for success
-     Work at the direction of the program manager to support the full lifecycle development of custom Oracle Applications, primarily using the Oracle APEX toolset.
-     Perform advanced use of Oracle APEX 4.0 and above.
-     Perform work with Oracle Integrated Development Environments such as Quest Toad and Oracle SQL Developer.
-     Design and manipulate web content dynamically using JQuery, Ajax, JavaScript, CSS, and HTML.
-     Create dynamic reports within the Oracle APEX environment. Provide support in the advanced use of Oracle Database products version 11 and above.
-     Provide support for Oracle database objects - tables, indexes, directories, sequences, triggers, etc.
-     Provide support with PL/SQL, Java, Windows PowerShell, and Unix shell scripting with familiarity with built-in PLSQL packages and procedures.
-     Provide support with storage, efficient retrieval, and manipulation of unstructured data (BLOBs, CLOBs, JSON, XMLType) in an Oracle environment.
-     Integrate and manage BI Publisher templates and web Services.
-     Successfully deliver enterprise-level workflow-centric applications.
-     Build logical functions and algorithms to automate business processes.
 
Qualifications
-     Bachelor's degree with 8+ years experience. A High School diploma with additional years of experience and/or relevant certifications may be considered in lieu of a degree.
-     U.S. Citizen.
-     Ability to obtain and maintain a public trust security clearance.
-     Experience with secure network programming in an Oracle environment; use of security certificates, HTTPS callouts, etc.
-     Experience with full lifecycle development of custom Oracle Applications, including the Oracle APEX toolset.
-     Experience with the use of Oracle Integrated Development Environments such as Quest Toad and Oracle SQL Developer.
-     Experience with JQuery, Ajax, JavaScript, CSS, and HTML.
-     Experience with PL/SQL, Java, Windows PowerShell, and Unix shell scripting with familiarity with built-in PLSQL packages and procedures.
-     Experience with storage, efficient retrieval, and manipulation of unstructured data (BLOBs, CLOBs, JSON, XMLType) in an Oracle environment.
-     Experience establishing goals and meeting project plan objectives.
-     Must be able to write and maintain system documentation on work products.
-     Excellent communication and teamwork skills.
-     Agile development experience.
-     Customer interface experience.
 
Ideally, you will also have: 
-     Experience with Oracle Database products version 11 and above.
-     Experience with Oracle Forms and Reports version 10G or higher.
-     Experience with Oracle APEX 4.0 and above.
-     Experience troubleshooting operational issues.
-     Government contracting experience, particularly with the DOJ.
-     Current DOJ Clearance.

Our Commitment : 
Contact Government Services (CGS) strives to simplify and enhance government bureaucracy through the optimization of human, technical, and financial resources. We combine cutting-edge technology with world-class personnel to deliver customized solutions that fit our client's specific needs. We are committed to solving the most challenging and dynamic problems.

For the past seven years, we've been growing our government contracting portfolio, and along the way, we've created valuable partnerships by demonstrating a commitment to honesty, professionalism, and quality work.

Here at CGS we value honesty through hard work and self-awareness, professionalism in all we do, and to deliver the best quality to our consumers mending those relations for years to come.

We care about our employees. Therefore, we offer a comprehensive benefits package.
-         Health, Dental, and Vision
-         Life Insurance
-         401k
-         Flexible Spending Account (Health, Dependent Care, and Commuter)
-         Paid Time Off and Observance of State/Federal Holidays

Contact Government Services, LLC is an Equal Opportunity Employer. Applicants will be considered without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Join our team and become part of government innovation!

Explore additional job opportunities with CGS on our Job Board:
https://cgsfederal.com/join-our-team/

For more information about CGS please visit: https://www.cgsfederal.com or contact:
Email: [email protected]

#CJ

$149,760 - $216,320 a year
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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