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Mainframe Monitor Jobs in Illinois (NOW HIRING)

US Bank

z/OS Systems Engineer

Chicago, IL

Experience with mainframe performance monitoring and capacity management tools , including RMF and MainView . * Strong understanding of Coupling Facilities, Mainframe Storage Management, and IBM Z ...

Capgemini

z/OS Connect API Engineer

Chicago, IL · On-site

$73K - $174K/yr

Monitor API health, reliability, and service availability. * Collaborate with infrastructure ... Mainframe Modernization Programs * Cloud-native Architecture and Microservices Technical ...

Infosys

Mainframe Modernization Program Lead

Chicago, IL · On-site

$101K - $132K/yr

... monitor budget performance, and optimize resource allocation for efficiency • Support the ... mainframe applications and data to cloud platforms • Align modernization initiatives with ...

Kyndryl

Mainframe z/VM & Linux

Chicago, IL · On-site

The Role We are seeking an experienced Mainframe z/VM & Linux Engineer to support IBM Z ... Monitor system performance and availability: * CPU, memory, I/O utilization * Workload performance ...

Ensono

Media Tech

Downers Grove, IL

Monitor all Libraries ejects promptly * Perform Vault ejects to complete daily vaulting task * Perform UDP, Mainframe, and AS400 scans * Complete vault paperwork accurately as dedicated by Ensono ...

Huntington

Site Reliability Engineer

Chicago, IL · On-site

$58.75 - $78/hr

Support Mainframe technologies including z/OS, MVS, CICS, MQ, DB2, COBOL, JCL, TSO/ISPF, Easytrieve, IBM Utilities, SORT, FileAid, Xpediter, ChangeMan, AbendAid, and related tools. * Monitor and ...

Capgemini

Principal Solution Architect

Chicago, IL · On-site

$103K - $242K/yr

Your role • Experienced in Assessment and Strategy Development by evaluating mainframe ... Monitoring progress, identifying risks, and making necessary adjustments to the modernization plan ...

Capgemini

Principal Solution Architect

Chicago, IL · On-site

$104 - $242/hr

About the Job Capgemini is seeking Senior Legacy Modernization (Mainframe) leader who is a highly ... Monitoring progress, identifying risks, and making necessary adjustments to the modernization plan.

New

US Bank

Principal Network Engineer z/OS

Chicago, IL · On-site

Monitor, analyze, and resolve complex mainframe networking issues involving multiple protocols, connectivity layers, and distributed platforms. * Participate in the design and management of IP ...

Ensono

Client Partner

Downers Grove, IL

Worker Type: Employee Ensono is a leading, large-scale provider of mainframe and infrastructure ... Regularly monitor sales trends, market dynamics, and incorporate changes into the account strategy.

Ensono

Client Partner

Downers Grove, IL · On-site

Client Partner Ensono is a leading, large-scale provider of mainframe and infrastructure services ... Regularly monitor sales trends, market dynamics, and incorporate changes into the account strategy.

Ensono

Client Partner

Mount Zion, IL · On-site

Client Partner Ensono is a leading, large-scale provider of mainframe and infrastructure services ... Regularly monitor sales trends, market dynamics, and incorporate changes into the account strategy.

Archer Daniels Midland

$59K - $79K/yr

Support integration between WMS and IBM mainframe system, and automation * Monitor production issues, perform root cause analysis, and recommend corrective actions * Develop training materials and ...

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Showing results 41-60

All JobsMainframe Monitor JobsMainframe Monitor Jobs in Illinois

Mainframe Monitor information

What is the difference between Mainframe Monitor vs Mainframe Operator?

AspectMainframe MonitorMainframe Operator
CredentialsTypically requires certifications in mainframe systems, such as IBM Certified System AdministratorOften requires basic mainframe operation training, sometimes with certifications
Work EnvironmentMonitoring mainframe systems, analyzing performance, and troubleshooting issuesExecuting daily operational tasks, running batch jobs, and system backups
Employer & Industry UsageUsed in large enterprises, banks, and data centers managing critical mainframe infrastructureCommonly employed in similar environments for routine system operations

The mainframe monitor focuses on overseeing system performance and troubleshooting, while the mainframe operator handles daily operational tasks and job execution. Both roles are essential in maintaining mainframe system efficiency but differ in responsibilities and skill requirements.

What are popular job titles related to Mainframe Monitor jobs in Illinois?

For Mainframe Monitor jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Mainframe Monitor jobs in Illinois look for?

The top searched job categories for Mainframe Monitor jobs in Illinois are:

Mainframe Monitor jobs near you
Infographic showing various Mainframe Monitor job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 65% Full Time, 26% Part Time, 7% Contract, and 1% Nights. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution.

Senior z/OS Administrator / Systems Programmer (Remote)

DivIHN

Springfield, IL • On-site, Remote

$85K - $115K/yr

Full-time

Re-posted 7 days ago

Job description

For further inquiries regarding the following opportunity, please contact our Talent Specialist, Abdul at (224) 507-1295 or Saravanakumar at (224) 507-1183 or Ragu at (224) 704 1713 or Justeen at (224) 394-4903
Title: Senior z/OS Administrator / Systems Programmer (Remote)
Location: Remote
Duration: 6 Months
Working Hours: 37.5 hours per week, with 7.5 hours per day.
Initial 2 days onsite visit (Springfield, IL) is required for onboarding purposes; the rest of the engagement will be remote.
Only W2 candidates are eligible for this position. Third-party or C2C candidates will not be considered.
Job Description
Job Summary:
• The Senior z/OS Administrator / Systems Programmer is responsible for the overall administration, maintenance, security, and optimization of the organization's z/OS mainframe environment.
• This role requires deep expertise in z/OS system internals, storage and hardware management, networking, and virtualization.
• The Senior Administrator ensures high availability, reliability, and performance of mission critical mainframe systems while supporting modernization initiatives and maintaining robust operational documentation.
Key Responsibilities:
1. z/OS System Administration:
Install, configure, maintain, and administer z/OS operating systems. Perform performance tuning, system health checks, problem determination, and root cause analysis to ensure stable and efficient system operation.
2. Storage Management:
Manage DASD and tape storage environments, oversee allocation and placement of datasets, perform capacity planning, and implement backup and recovery strategies using DFSMS and related technologies.
3. Hardware Infrastructure Management:
Maintain and support IBM mainframes, storage subsystems, and peripheral hardware. Coordinate and execute hardware upgrades, lifecycle maintenance, and incident remediation.
4. System Security:
Implement and maintain mainframe security controls to safeguard data and system resources. Utilize security tools, monitor access, and ensure compliance with established cybersecurity and audit requirements.
5. Performance Monitoring and Optimization:
Monitor system performance using RMF, WLM, and other tools. Identify performance bottlenecks and implement tuning strategies to enhance resource utilization, throughput, and reliability.
6. z/OS TCP/IP and Networking Administration:
Administer and support all networking components within the z/OS environment, including TCP/IP configuration, network security, connectivity troubleshooting, and performance tuning.
7. z/VM and Virtualization Support:
Install, configure, and maintain z/VM environments. Build, administer, and support virtualized Linux servers running under z/VM, ensuring stable interoperation with z/OS and supporting workloads.
8. Documentation and Knowledge Transfer:
Develop and maintain detailed documentation for system configurations, procedures, standards, and operational policies. Provide guidance, training, and mentorship to junior staff and operational support teams as needed.
Qualifications:
• Bachelor's degree in Computer Science, Information Technology, or equivalent experience.
• More than 10 years of hands on experience as a z/OS administrator or systems programmer in an enterprise environment.
• Expert level knowledge of z/OS internals, subsystems, utilities, and operational best practices.
• Strong proficiency in DASD management, DFSMS, tape management, catalog management, and related storage technologies.
• Solid understanding of IBM mainframe architecture, hardware components, and system integration.
• Experience with performance tools such as RMF, WLM, Omegamon, and similar monitoring solutions.
• Effective communication skills and ability to work both independently and collaboratively.
• Strong analytical and troubleshooting skills with a focus on reliability and operational excellence.
Additional Technical Requirements:
• Deep knowledge of JES2, WLM, SMF, ICSF, DFSMS, ISPF, TSO, 3270 interfaces, TCP/IP, SMP/E, ISH, OMVS, Omegamon, and z/OS Connect.
• Familiarity with third party tools including Syspertec Virtel (browser based 3270 emulator), Rocket TMON (monitoring tool), and Chicago Soft QuickRef (reference tool).
• Experience supporting IBM software such as Tivoli Workload Scheduler, Fault Analyzer, File Manager, zSecure, DB2 Tools, and zLinux.

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