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Ibm Z Os System Engineer Jobs (NOW HIRING)

ITTConnect

Senior Developer - IBM z/OS Connect

Columbus, OH · On-site

$52.75 - $69.50/hr

ITTConnect is seeking a Senior Mainframe Developer - IBM zOS Connect to work on site for a client ... Build and expose mainframe services (CICS, IMS, DB2) to distributed systems * Integrate z/OS ...

IBM

z/OS Infrastructure Storage Consultant

Boston, KY · On-site

We are looking for a System Programmer set of skills (ISPF/SDSF, z/FS Filesystem, Unix System ... IBM provides technology and consulting, including software, infrastructure systems, and cloud-based ...

IBM

z/OS Infrastructure Storage Consultant

Raleigh, NC · On-site

We are looking for a System Programmer set of skills (ISPF/SDSF, z/FS Filesystem, Unix System ... IBM provides technology and consulting, including software, infrastructure systems, and cloud-based ...

IBM

z/OS Infrastructure Storage Consultant

Atlanta, GA · On-site

We are looking for a System Programmer set of skills (ISPF/SDSF, z/FS Filesystem, Unix System ... IBM provides technology and consulting, including software, infrastructure systems, and cloud-based ...

Sonsoft Inc

z/OS Systems Programmer

Trenton, NJ · On-site

... z/OS Systems Programmer proficient in using IBM SMP/E to install both IBM and ISV products in an ... Additionally, knowledge of IBM RACF Security is an added plus. 5+ years of IBM z/OS SMP/E ...

Sarian, Inc.

Mainframe z/OS Administrator

Create, populate, secure and troubleshoot IBM z/OS USS (UNIX Systems Services) file systems and mount points. Manage the USS environment on an IBM z/OS mainframe platform. * Create/update and debug z ...

Aquinas Consulting

Senior Systems Engineer - z/OS

Bethesda, MD · Remote

$111K - $153K/yr

If you have seven or more years of general z/OS systems programming experience and a strong background in IBM and ISV product installation, maintenance, and support, this CONTRACT opportunity could ...

Aquinas Consulting

Senior Systems Engineer - z/OS

Bethesda, MD · Remote

$111K - $153K/yr

If you have ten or more years of general z/OS systems programming experience and a strong background in IBM and ISV product installation, maintenance, and support, this CONTRACT opportunity could be ...

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All JobsIbm Z Os System Engineer Jobs

Ibm Z Os System Engineer information

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$53.5K

$127.2K

$167K

How much do ibm z os system engineer jobs pay per year?

As of Jun 12, 2026, the average yearly pay for ibm z os system engineer in the United States is $127,215.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,000.00 and $157,000.00 per year, depending on experience, location, and employer.

What is the difference between Ibm Z Os System Engineer vs Ibm Z Mainframe Operator?

AspectIbm Z Os System EngineerIbm Z Mainframe Operator
CertificationsIBM Certified System Programmer, z/OS certificationsBasic mainframe operation certifications, z/OS operator courses
Work EnvironmentDesigning, configuring, and maintaining z/OS systemsMonitoring, executing batch jobs, and routine system checks
ResponsibilitiesSystem setup, troubleshooting, performance tuningJob scheduling, system backups, basic issue resolution
Industry UsageUsed by large enterprises for mainframe system managementUsed in data centers for daily mainframe operations

The Ibm Z Os System Engineer focuses on designing, configuring, and maintaining z/OS systems, requiring specialized certifications and technical expertise. In contrast, the Ibm Z Mainframe Operator handles routine operational tasks like job scheduling and system monitoring. Both roles are essential in mainframe environments but differ in scope and technical depth.

Infographic showing various Ibm Z Os System Engineer job openings in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $127,215 per year, or $61.2 per hour.
Senior Developer - IBM z/OS Connect

Senior Developer - IBM z/OS Connect

ITTConnect

Columbus, OH • On-site

$52.75 - $69.50/hr

Full-time

Posted 22 days ago

Job description

Job Description
ITTConnect is seeking a Senior Mainframe Developer - IBM zOS Connect to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in consulting, digital transformation, technology and engineering services with over 300,000 team members in nearly 50 countries. The end client is in the Utilities sector.
Job location: Columbus, OH or Nashville, TN (both locations would be for on site work)
We are seeking a Senior Developer with strong expertise in IBM z/OS Connect to support Gigawatt.ai modernization initiatives by designing and building new z/OS-based services integrated with MACSS (legacy utility management mainframe application). This role focuses on exposing mainframe capabilities as modern APIs and enabling seamless enterprise integration.
Key Responsibilities:
  • Design, develop, and deploy RESTful APIs using IBM z/OS Connect
  • Build and expose mainframe services (CICS, IMS, DB2) to distributed systems
  • Integrate z/OS services with MACSS and other enterprise platforms
  • Translate business requirements into scalable API-based solutions
  • Ensure performance, security, and reliability of z/OS services
  • Collaborate with cross-functional teams (middleware, integration, application teams)
  • Troubleshoot and resolve issues across z/OS and API layers
  • Support modernization initiatives by enabling API-driven mainframe access

Requirements
  • Strong hands-on experience with IBM z/OS Connect (EE preferred)
  • Solid background in z/OS environment (CICS, IMS, DB2)
  • Experience building and consuming REST APIs
  • Knowledge of JSON, OpenAPI/Swagger
  • Familiarity with mainframe integration patterns
  • Strong debugging and performance tuning skills on z/OS
  • Experience working in enterprise, high-availability environments
Nice to Have:
  • Experience with API management tools (e.g., IBM API Connect)
  • Exposure to middleware/integration platforms
  • Understanding of security protocols (OAuth, JWT, RACF)
  • Prior experience with legacy system modernization initiatives

Apply