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Entry Level Mainframe Assembler Programmer Jobs in Illinois

Assembler

Dixon, IL · On-site

$22.50/hr

... and engineering requirements. * Identify, document, and report defective materials, equipment ... The organization offers clear development paths from entry-level assembly into skilled trades such ...

Be Seen First

Read and interpret engineering drawings, diagrams, and technical documents to accurately assemble ... Our staffing agency recruits job candidates from entry level to highly experienced and from all ...

New

Field Service Technician

Itasca, IL · On-site

$61.45 - $75.11/hr

Entry-Level Field Service Technician Location: KEYENCE Engineering Services Facility - Itasca, IL ... Assemble, install, connect, code, and diagnose KEYENCE products on advanced production lines

Join KEYENCE as an Entry-Level Field Service Technician Location: KEYENCE Engineering Services ... Assemble, install, connect, code, and diagnose KEYENCE products on advanced production lines

Join KEYENCE as an Entry-Level Field Service Technician Location: KEYENCE Engineering Services ... Assemble, install, connect, code, and diagnose KEYENCE products on advanced production lines

Bid Clerk - BR

Westmont, IL · On-site

$26/hr

This is an entry level position with growth opportunities. Key Responsibilities of a BidClerk ... Access the Bid platforms to retrieve architectural, engineering, and construction drawings related ...

Aecon Engineering Services, Inc. is seeking an entry level Mechanical Engineer for the Engineering ... Prepare, review, and assemble calculations and technical reports * Individual may have the ...

Aecon Engineering Services, Inc. is seeking an entry level Mechanical Engineer for the Engineering ... Prepare, review, and assemble calculations and technical reports * Individual may have the ...

Engineer, Mechanical

Schaumburg, IL · On-site

$70 - $80/hr

Aecon Engineering Services, Inc. is seeking an entry level Mechanical Engineer for the Engineering ... Prepare, review, and assemble calculations and technical reports * Individual may have the ...

Bid Clerk - BR

Westmont, IL · On-site

$26/hr

This is an entry level position with growth opportunities. Key Responsibilities of a Bid Clerk ... Access the Bid platforms to retrieve architectural, engineering, and construction drawings related ...

HV Project Engineer (Illinois)

Galesburg, IL · On-site

$67K - $86K/yr

Able to perform all essential Entry Level/Intern Project Engineer responsibilities * Attend and ... Review and assemble change order submittals and quantity surveys * Maintain PCI log in CMiC system

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Entry Level Mainframe Assembler Programmer information

What is the difference between Entry Level Mainframe Assembler Programmer vs Entry Level COBOL Developer?

AspectEntry Level Mainframe Assembler ProgrammerEntry Level COBOL Developer
Required CredentialsBasic knowledge of assembler language, mainframe environmentBasic knowledge of COBOL language, mainframe environment
Work EnvironmentMainframe systems, legacy IT infrastructureMainframe systems, legacy IT infrastructure
Employer & Industry UsageFinancial institutions, government agencies, large corporationsFinancial institutions, government agencies, large corporations
Common Search & ComparisonYesYes

Both roles involve working with mainframe systems in similar industries and require knowledge of legacy programming languages. The main difference lies in the programming language focus: assembler versus COBOL. Entry Level Mainframe Assembler Programmers work with low-level assembler code, while Entry Level COBOL Developers focus on business applications using COBOL. Both roles are essential for maintaining legacy systems in large organizations.

What are popular job titles related to Entry Level Mainframe Assembler Programmer jobs in Illinois?

For Entry Level Mainframe Assembler Programmer jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Entry Level Mainframe Assembler Programmer jobs in Illinois look for?

The top searched job categories for Entry Level Mainframe Assembler Programmer jobs in Illinois are:

Infographic showing various Entry Level Mainframe Assembler Programmer job openings in Illinois as of August 2026, with employment types broken down into 77% Full Time, 8% Part Time, and 15% Contract. Highlights an 100% In-person job distribution.

Full-time

Re-posted 24 days ago


Job description

Company Description

Sonoma Consulting is one of the fastest growing Global IT Consulting and Executive Search providers with offices in Naperville IL; Chicago IL; Tyson's Corner VA and Hyderabad India. 

Our clients range from start-ups to Fortune 500 companies throughout the world. We look to our large recruiting team to continue to build upon the high standards we have set and ways to continually improve our recruiting process around the speed and quality of the resources we deliver. The Sonoma team prides itself on best model for delivery of IT Resources in a 24/7 model, our high level of professionalism and integrity which enables us to create long-term, meaningful relationships with our clients. 

Job Description
The Systems Programmer ensures the availability and efficient operation of the mainframe z/OS operating system, related hardware and software.  Secondary responsibilities include storage administration and disaster recovery team member.  Background in Linux systems and networking a plus.  High personal standards required for consistent and reliable system software installations and maintenance.  Attention to detail is necessary in order to provide quality business systems on select enterprise platforms.  Accuracy is a requirement.
Responsibilities:
    Ensure consistent availability and operation of client's business computer systems.
    Specialization in TCPIP, VTAM, and HCD, as well as z/OS upgrades.
    Install, upgrade, maintain, and customize all z/OS system software.
    Develop, test and maintain the business interruption and resumption procedures necessary for Disaster Recovery.
    Manage dfSMS, dfHSM, and FDR/ABR in support of the Storage Administrator.
    Manage mainframe software in SMP/E.
    Coordinate hardware configuration changes


Qualifications
    IBM program products;  JES2, ICF, SMP/E, IPCS, TSO/E, ISPF, SDSF, JCL, HCD, VTAM, TCP/IP,  EREP, RACF, DFSORT, CICS, DB2, IMS, and  IRLM.
    OEM program products; Dumpmaster, Insync, GRS, PDSMAN, PRO/SMS, DSSI, TMON, CA-1, MVS/Quick-Ref, SMFUTIL, JMR, JQP, VVP
    Redhat or Suse Linux, VI editor, Bash shell scripting
    XEROX Mainframe-attached Laser Printers; Forms design and maintenance of descriptor language.
    Codes: Assembler, CLIST/REXX Excellent written and verbal communication skills.
    Background includes Computer Operations support, standards and procedures design/implementation.
Additional Information

All your information will be kept confidential according to EEO guidelines.


Sonoma Consult logo

About Sonoma Consult

Sourced by ZipRecruiter

Sonoma Consult is a California based C corporation helping companies bring products to the patient by working closely with the engineering teams and the clinicians. Our goal, no matter what stage of product development, is to create and execute a plan of action to move the product through the appropriate clinical and regulatory steps. Sonoma Consult works cohesively with the engineers and physicians to translate technologies to the clinic. Our goal is to help you get the very best product to the clinic and to the market. This includes planning, execution and ensuring critical data is delivered in the right format to ensure the feedback loop to the design team ultimately delivers the most advanced technology to the patient.

Industry

Business management consulting

Company size

1 - 10 Employees

Headquarters location

Sonoma, CA, US