ZipRecruiter

Log In

1

C Unix Developer Jobs in Illinois (NOW HIRING)

CultureFit

Sr. Gateway | Market Data Developer

Chicago, IL · On-site

$56.25 - $74.25/hr

Sr. Gateway | Market Data Developer We are seeking a Senior Software Developer focused on exchange ... C++20 Expertise with TCP/IP, UDP multicast, sockets, network protocols, particularly on Linux/Unix ...

Deloitte

Guidewire PolicyCenter Sr Developer

Chicago, IL · On-site

$56.25 - $74.25/hr

Bachelor's degree 4+ years consulting and/or relevant insurance industry experience (P&C, Life ... BPEL, UNIX background Experience with Business Process Modeling (BPM) tools, Business rules ...

Deloitte

Consultant - Guidewire Developer

Chicago, IL · On-site

A strong Java, Gosu (Guidewire), EJB, BPEL, UNIX background * Experience with Business Process ... Bachelor's degree * 3+ years consulting and/or relevant insurance industry experience (P&C, Life ...

CACI International, Inc.

Software Engineer

Lisle, IL · On-site

... and/or Unix-based operating systems. More About This Role: You will demonstrate breadth and ... C, C++, JAVA, Python Skills and Knowledge: * Familiar with software engineering process concepts ...

Belcan

Software Engineer

Rockford, IL

$83K - $104K/yr

Must have C coding experience with some knowledge of C++ * Due to the nature of the work performed ... Experience with developing applications under the UNIX/Linux operating system family (Windows ...

Apply Early

next page

Showing results 1-20

All JobsC Unix Developer JobsC Unix Developer Jobs in Illinois

C Unix Developer information

What is the difference between C Unix Developer vs Linux Developer?

AspectC Unix DeveloperLinux Developer
Required CredentialsProficiency in C, Unix system calls, and Unix shell scriptingProficiency in C, Linux system calls, and Linux shell scripting
Work EnvironmentUnix-based systems, often in enterprise or legacy environmentsLinux-based systems, common in open-source and modern applications
Industry UsageTelecommunications, finance, and legacy enterprise systemsWeb development, cloud computing, and open-source projects
Common Search/ComparisonYesYes

Both C Unix Developers and Linux Developers require strong C programming skills and familiarity with their respective operating systems. While C Unix Developers focus on Unix-based systems often used in legacy or enterprise environments, Linux Developers work primarily with Linux systems, which are prevalent in modern, open-source, and cloud applications. The roles overlap in skills but differ in system focus and industry applications.

What does a C Unix Developer do?

A C Unix Developer is a software engineer who specializes in programming applications and systems using the C language on Unix-based operating systems. Their responsibilities often include designing, coding, debugging, and maintaining software, as well as optimizing system performance and ensuring reliability. They may work on low-level system components, utilities, or high-performance applications, often collaborating with other developers and IT professionals. A strong understanding of Unix/Linux commands, system calls, and networking is essential for this role.

What are the key skills and qualifications needed to thrive as a C Unix Developer, and why are they important?

To thrive as a C Unix Developer, you need strong proficiency in C programming, Unix/Linux operating systems, and a solid understanding of data structures and algorithms, often supported by a degree in computer science or a related field. Familiarity with development tools like GCC, GDB, Make, and version control systems such as Git is essential, along with experience in shell scripting. Analytical thinking, problem-solving, and effective communication are standout soft skills for this role. These skills and qualities are vital to efficiently build, troubleshoot, and maintain robust software solutions in complex Unix-based environments.

What Is a C/UNIX Developer?

A C/Unix developer uses the C programming language to prepare and implement software and applications in a Unix operating system. Unix is a core family of OS, and it is part of Linux, Apple, and many mobile OS platforms, as well as servers and other integral hardware. As a C/Unix developer, your duties and responsibilities are to work as part of a team of coders and developers on projects, helping design the project workflow and completing any tasks needed for a program to run in a Unix system. Because you primarily write Unix in C, many C/Unix developers work on projects to improve existing operating systems built of the Unix architecture.

What are some common challenges faced by C Unix Developers when working on legacy codebases?

C Unix Developers often encounter challenges when maintaining or enhancing legacy codebases, such as deciphering poorly documented code, understanding complex pointer logic, and debugging issues that arise from outdated dependencies or system calls. Collaboration with other team members is essential, as knowledge sharing helps bridge gaps in code understanding and ensures that best practices are applied when refactoring or extending existing systems. Addressing these challenges requires strong analytical skills, patience, and effective communication within a multidisciplinary development team.
More about C Unix Developer jobs
What are the most commonly searched types of C Unix Developer jobs in Illinois? The most popular types of C Unix Developer jobs in Illinois are:
What are popular job titles related to C Unix Developer jobs in Illinois? For C Unix Developer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching C Unix Developer jobs in Illinois look for? The top searched job categories for C Unix Developer jobs in Illinois are:
C Unix Developer jobs near you
Infographic showing various C Unix Developer job openings in Illinois as of June 2026, with employment types broken down into 79% Full Time, 12% Part Time, 6% Contract, and 3% Nights. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution.

Site Reliability Engineer (SRE)

Scalence L.L.C.

Naperville, IL • On-site

$57 - $75.75/hr

Full-time

Posted 8 days ago

Job description

Job Summary:
Scalence L.L.C. is seeking a highly experienced Senior Site Reliability Engineer (SRE) / Application Reliability Engineer with over 10 years of expertise in incident management, system reliability, and enterprise application support. This role is crucial for ensuring high availability, operational stability, and continuous improvement of critical financial and ERP systems in a 24×7 environment.
Responsibilities:
• Ensure high availability and reliability of enterprise applications in a 24×7 production environment
• Monitor applications, batch jobs, and workflows to maintain operational continuity
• Lead and manage major incidents (P1/P2) and drive resolution to minimize business impact
• Perform root cause analysis (RCA) and implement preventive measures
• Design and maintain monitoring dashboards
• Implement proactive alerting and improve system observability
• Diagnose and resolve application and data-related issues using SQL queries and log analysis
• Support release deployments, change validation, and post-deployment activities
• Collaborate with infrastructure, DBA, and development teams to resolve technical issues
• Create and maintain operational documentation, runbooks, and knowledge base articles
Qualifications:
Required:
• Site Reliability Engineering (SRE) and Application Support
• Incident & Problem Management
• Root Cause Analysis (RCA)
• SLA / SLO Compliance
• Batch Monitoring & Scheduling
• ITIL Framework
• 10 years of experience in Application Support / Reliability Engineering roles
• Strong experience in BFSI or enterprise application environments
• Proven track record in managing production support operations and high-severity incidents
• Applicants must be able to work directly for Artech on W2
Preferred:
• CI/CD Tools: GitHub
• Cloud Platforms: AWS (EC2, S3, VPC)
• Databases: Oracle, SQL Server
• Languages: SQL, SQR, Basic Java
• Ticketing Tools: ServiceNow, Jira
• Operating Systems: UNIX, Linux, Windows
Company:
In today’s dynamic and competitive market, success hinges on mastering three key areas: Data Intelligence, Business Resilience, and Digital Experience. Founded in , the company is headquartered in Morristown, New Jersey, US, , with a team of 501-1000 employees. The company is currently Late Stage.

Apply