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Computer Operator Mainframe Jobs in Chicago, IL (NOW HIRING)

Northern Trust

Mainframe Senior Developer

Chicago, IL · On-site

$50.50 - $65/hr

... OS operating system environment. Responsibilities : • Communicate status to, and work in ... Preferred : • Bachelor's Degree in Computer Science, Information Management, or related field ...

Northern Trust

Mainframe Senior Developer

Chicago, IL

$99.60K - $169.20K/yr

... operating system environment. They require skills including, but not limited to DB2 database and ... Bachelor's Degree in Computer Science, Information Management, or related field preferred Nice to ...

Northern Trust

Mainframe Senior Developer

Chicago, IL · On-site

$99.60K - $169.20K/yr

... operating system environment. They require skills including, but not limited to DB2 database and ... Bachelor's Degree in Computer Science, Information Management, or related field preferred Nice to ...

Northern Trust

Mainframe Senior Developer

Chicago, IL · On-site

$99.60K - $169.20K/yr

... operating system environment. They require skills including, but not limited to DB2 database and ... Bachelor's Degree in Computer Science, Information Management, or related field preferred Nice to ...

Northern Trust

Mainframe Senior Developer

Chicago, IL · On-site

$99.60K - $169.20K/yr

... operating system environment. They require skills including, but not limited to DB2 database and ... Bachelor's Degree in Computer Science, Information Management, or related field preferred Nice to ...

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Computer Operator Mainframe information

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How much do computer operator mainframe jobs pay per hour?

As of May 28, 2026, the average hourly pay for computer operator mainframe in Chicago, IL is $25.11, according to ZipRecruiter salary data. Most workers in this role earn between $19.57 and $28.22 per hour, depending on experience, location, and employer.

What is a Computer Operator Mainframe job?

A Computer Operator Mainframe is responsible for monitoring, managing, and troubleshooting mainframe computer systems. They ensure that batch jobs run correctly, system backups are performed, and any errors or failures are addressed promptly. Operators use specialized software and tools to oversee system performance and maintain uptime. This role often requires working in shifts to provide 24/7 operational support. Strong attention to detail and problem-solving skills are essential in this position.

What are the key skills and qualifications needed to thrive in the Computer Operator Mainframe position, and why are they important?

To thrive as a Computer Operator Mainframe, you need a solid understanding of mainframe operations, batch processing, job scheduling, and system monitoring, often supported by a degree in computer science or a related field. Familiarity with operating systems like IBM z/OS, tools such as JCL, TSO/ISPF, and knowledge of automation software or mainframe consoles is essential. Strong attention to detail, problem-solving ability, and effective communication skills help operators stand out in this role. These skills ensure smooth system operations, quick resolution of technical issues, and clear collaboration with IT teams, minimizing downtime and maintaining high system reliability.

What does a typical shift look like for a Computer Operator Mainframe, and what are the main responsibilities during that time?

A typical shift for a Computer Operator Mainframe involves monitoring mainframe systems, running scheduled and ad-hoc jobs, and troubleshooting any system alerts or errors that occur during operations. Operators are responsible for ensuring jobs are completed successfully, performing regular system health checks, and escalating issues to system administrators or other technical teams if needed. The work environment is usually structured in shifts to provide 24/7 coverage, with operators collaborating closely with both technical and business teams to ensure critical applications remain available. You can expect a mix of routine monitoring, responding to incidents, and documenting system activity, which makes attention to detail and clear communication especially important for success in this role.
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Computer Operator Mainframe jobs near you
Infographic showing various Computer Operator Mainframe job openings in Chicago, IL as of May 2026, with employment types broken down into 66% Full Time, 8% Temporary, and 26% Contract. Highlights an 100% In-person job distribution, with an average salary of $52,232 per year, or $25.1 per hour.
Weekend Computer Operator

Weekend Computer Operator

Sonoma Consulting Inc.

Glenview, IL

Full-time

Posted yesterday

Job description

Company Description

Halo Group is a premier provider of IT talent. We place technology experts within
the teams of the world's leading companies to help them build innovative
businesses that keep them one step closer to their customers and one step
ahead of the competition. We offer a meaningful work environment for
employees, attractive and interesting engagements for consultants, and cutting-edge
digital innovation for our customers.
We delight in helping our customers execute their digital vision. Big projects or
small, Halo Group knows that by combining the highest quality talent with our
unwavering support, we will become an invaluable extension of the team. Halo
Group's experienced consultants in Detroit, Atlanta and Dallas specialize in all
areas of product/project governance, UX/UI, multi-platform applications, quality
assurance/testing, cloud computing, and data analytics.

Job Description

Job Title: Weekend Computer Operator

Location: Glenview, IL

Duration: Fulltime Permanent (Direct Hire)

The successful candidates will handle all aspects of Enterprise Command Center environment, including operating system, support systems, job flow Change, problem notification/escalation, media management, printer management, computer room physical security, and hardware/environmental monitoring. Help Desk experience and server knowledge is a strong plus.
This position is for the weekend shift working Friday thru Sunday 5:30 p.m. to 6:00 a.m.

Job Description: Candidates will have a minimum of five years Mainframe Computer Operations experience to include MVS, JES2,(in a sysplex environment), exposure to WAN, LAN interfaces, and PC software literacy. Candidates must be able to navigate through production schedules. Proficiency in BMC software (Control OMR and Control EM) is desired. Knowledge and use of WUG monitoring software is a strong plus. Working knowledge and understanding of Windows Servers, AS400 and AIX platforms are also a strong plus. Network understanding and troubleshooting is also a strong plus.

The ideal candidate must have the ability to work well under stressful, problem situations and make thoughtful decisions. Must also have the ability to identify and communicate important information to our Information Services support teams. Dependability and the ability to work in a group setting are a must.

Qualifications

Title : Weekend Computer Operator / Computer Operator / Help Desk Technician / Help desk Specialist / PC Technician 

Skills: BMC software (Control OMR and Control EM) ,  WAN, LAN interfaces.

Additional Information

Title : Weekend Computer Operator / Computer Operator / Help Desk Technician / Help desk Specialist / PC Technician 

Skills: BMC software (Control OMR and Control EM) ,  WAN, LAN interfaces.


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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

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