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Freelance Unix Shell Scripting Jobs (NOW HIRING)

eTeam

Cards Mainframe Developer

Chicago, IL · On-site

$50.50 - $65/hr

Unix Shell Scripting * Develop and maintain Unix/Linux Shell Scripts for automation, batch scheduling, and system integrations * Ensure seamless integration between Unix-based automation and ...

Sonsoft Inc

Unix / Open Systems

Chicago, IL

At least 4 years of development/programming experience in in Unix/Shell scripting, Unix Administration, Perl, PL/SQL. * At least 4 years of experience in software development life cycle. * At least 2 ...

Sarian, Inc.

Big Data, Hadoop Developer

Newark, DE · On-site

Excellent working experience in HDFS, Hadoop, Sqoop, Spark, Impala and Unix Shell scripting. * Good knowledge in Python. * Exposure to and strong working knowledge on distributed systems. * Excellent ...

Samprasoft

SAS Developer

Plano, TX · On-site

SAS, SQL and Unix, Shell Scripting, DB2/Sybase SAS Developer role Need experience with SQL and Unix platform. Will be analyzing current data application built on SAS. Source data from multiple data ...

Tech Tammina

Unix Admin

Plano, TX

Relevant IT software experience (Technical-Developer) using Unix, Linux, Shell Scripting, Perl Technologies Minimum 3 years of development experience using Perl, Shell-Korn, Bash, Linux, AIX Quick ...

Prophecy Technologies

Linux Administrator

Montvale, NJ · On-site

Automate routine and complex system tasks using Ansible, Python, and Unix shell scripting . * Maintain secure Linux environments aligned with CISSP and security best practices . * Collaborate with ...

United IT Solutions

Senior Developer

Naperville, IL · On-site

$54 - $71.50/hr

Mainframe Cobol (Primary) JCL CICS VSAM Unix Shell scripting is preferred To be responsible for managing technology in projects and providing technical guidance / solutions for work completion (1.) ...

Omni Inclusive

Mainframe Developer

Naperville, IL · On-site

$48.50 - $62.50/hr

Unix Shell scripting is preferred To be responsible for managing technology in projects and providing technical guidance / solutions for work completion (1.) To be responsible for providing technical ...

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Freelance Unix Shell Scripting information

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$14

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$132

How much do freelance unix shell scripting jobs pay per hour?

As of Jun 25, 2026, the average hourly pay for freelance unix shell scripting in the United States is $47.71, according to ZipRecruiter salary data. Most workers in this role earn between $24.28 and $61.78 per hour, depending on experience, location, and employer.

What is the difference between Freelance Unix Shell Scripting vs Freelance Linux System Administration?

AspectFreelance Unix Shell ScriptingFreelance Linux System Administration
Required SkillsScripting, command-line, automationSystem management, networking, security
CertificationsNone mandatory, but certifications like Linux+ or RHCSA helpLinux+, RHCSA, or LPIC certifications often preferred
Work EnvironmentMostly remote, project-basedRemote or on-site, ongoing system support
Industry UsageAutomation, scripting tasksServer management, network setup

Freelance Unix Shell Scripting focuses on writing scripts to automate tasks, while Freelance Linux System Administration involves managing and maintaining Linux systems. Both roles require Linux knowledge, but scripting is more specialized, whereas system administration covers broader responsibilities.

More about Freelance Unix Shell Scripting jobs
What cities are hiring for Freelance Unix Shell Scripting jobs? Cities with the most Freelance Unix Shell Scripting job openings:
What are the most commonly searched types of Unix Shell Scripting jobs? The most popular types of Unix Shell Scripting jobs are:
What states have the most Freelance Unix Shell Scripting jobs? States with the most job openings for Freelance Unix Shell Scripting jobs include:
What job categories do people searching Freelance Unix Shell Scripting jobs look for? The top searched job categories for Freelance Unix Shell Scripting jobs are:
Freelance Unix Shell Scripting jobs near you
Infographic showing various Freelance Unix Shell Scripting job openings in the United States as of June 2026, with employment types broken down into 96% Full Time, 2% Part Time, and 2% Contract. Highlights an 90% Physical, 4% Hybrid, and 6% Remote job distribution, with an average salary of $99,230 per year, or $47.7 per hour.
Cards Mainframe Developer

Cards Mainframe Developer

eTeam

Chicago, IL • On-site

$50.50 - $65/hr

Other

Posted 9 days ago

Job description

Cards Mainframe Developer

Location: Chicago

We are looking for an experienced Mainframe Developer with strong expertise in COBOL, JCL, DB2, VSAM, and Unix Shell Scripting. The ideal candidate will be responsible for developing, supporting, and optimizing mainframe applications, building automation scripts, managing backend integration workflows, and ensuring reliability across production and batch systems. This role requires strong technical skills, problem-solving capabilities, and the ability to work effectively with cross-functional teams.

Key Responsibilities:

  • Mainframe Development Support
    • Develop, enhance, and maintain applications using COBOL, JCL, VSAM, and DB2
    • Troubleshoot, debug, and resolve mainframe application issues across development, testing, and production environments
    • Optimize JCL, COBOL programs, and DB2 queries to improve system performance and efficiency
    • Support daily batch processing, ensure job success, and resolve job abends promptly
  • Unix Shell Scripting
    • Develop and maintain Unix/Linux Shell Scripts for automation, batch scheduling, and system integrations
    • Ensure seamless integration between Unix-based automation and mainframe backend systems
    • Troubleshoot and enhance existing scripts, improving stability and execution performance
  • Database PL/SQL Development
    • Develop and maintain PL/SQL procedures, functions, packages, and triggers
    • Perform SQL tuning and optimize database queries for performance
    • Integrate shell scripts with relational databases (Oracle, DB2, MySQL, or similar)
  • Production Support
    • Performance Optimization
      • Monitor scheduled jobs, resolve production incidents, and ensure overall batch stability
      • Conduct root-cause analysis (RCA) and implement permanent fixes
      • Enhance performance of scripts, jobs, and database queries through continuous tuning
    • Collaboration and Documentation
      • Work closely with stakeholders to gather requirements and translate them into scalable solutions
      • Participate in Agile ceremonies and collaborate with QA, business, and support teams
      • Create and maintain technical documentation including design specs, support guides, and system documentation

    Required Technical Skills:

    • Strong hands-on experience in Mainframe technologies: COBOL, JCL, VSAM, DB2
    • Solid expertise in Unix/Linux Shell Scripting
    • Strong SQL and PL/SQL skills: procedures, functions, triggers, packages
    • Experience integrating shell scripts with relational databases
    • Strong debugging, analytical, and problem-solving skills
    • Good understanding of batch processing and automation workflows
    • Ability to work independently and collaboratively within a team

    Preferred Good to Have Experience:

    • Experience in banking cards or financial services domains
    • Experience with ticketing tools and production support processes
    • Familiarity with Git, CI/CD pipelines, or DevOps practices
    • Knowledge of Python or Java for extended automation or backend integrations
    • Additional mainframe skills such as COBOL PLI Assembler CC, CICS IMS, and system administration on DB2/CICS/IMS, REXX scripting for automation and migration tasks
    • Strong troubleshooting skills for IBM mainframe product-related issues

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