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Mobile Remote Mainframe Developer Jobs in Illinois

Deep Systems

$51.50 - $67/hr

Qt Mobile (IOS/Android) or Web Assembly experience * UI testing experience * Experience developing ... remote team is required. Employment Type: FULL_TIME

Quora

iOS Engineer -Remote

Chicago, IL · Remote

$61.63 - $88.47/hr

Work within a small team of mobile engineers to design, build, and maintain the Poe iOS app * Build ... remote work reimbursement, paid time off, employee assistance programs, and more. Benefits are ...

Quora

iOS Engineer -Remote

Peoria, IL · Remote

$61.63 - $88.47/hr

Work within a small team of mobile engineers to design, build, and maintain the Poe iOS app * Build ... remote work reimbursement, paid time off, employee assistance programs, and more. Benefits are ...

Quora

iOS Engineer -Remote

Joliet, IL · Remote

$61.63 - $88.47/hr

Work within a small team of mobile engineers to design, build, and maintain the Poe iOS app * Build ... remote work reimbursement, paid time off, employee assistance programs, and more. Benefits are ...

Quora

iOS Engineer -Remote

Edwardsville, IL · Remote

$61.63 - $88.47/hr

Work within a small team of mobile engineers to design, build, and maintain the Poe iOS app * Build ... remote work reimbursement, paid time off, employee assistance programs, and more. Benefits are ...

Quora

iOS Engineer -Remote

Rockford, IL · Remote

$61.63 - $88.47/hr

Work within a small team of mobile engineers to design, build, and maintain the Poe iOS app * Build ... remote work reimbursement, paid time off, employee assistance programs, and more. Benefits are ...

Quora

iOS Engineer -Remote

Springfield, IL · Remote

$61.63 - $88.47/hr

Work within a small team of mobile engineers to design, build, and maintain the Poe iOS app * Build ... remote work reimbursement, paid time off, employee assistance programs, and more. Benefits are ...

Quora

iOS Engineer -Remote

Dekalb, IL · Remote

$61.63 - $88.47/hr

Work within a small team of mobile engineers to design, build, and maintain the Poe iOS app * Build ... remote work reimbursement, paid time off, employee assistance programs, and more. Benefits are ...

Quora

iOS Engineer -Remote

Aurora, IL · Remote

$61.63 - $88.47/hr

Work within a small team of mobile engineers to design, build, and maintain the Poe iOS app * Build ... remote work reimbursement, paid time off, employee assistance programs, and more. Benefits are ...

360 IT Professionals

Remote Devops Engineer

Chicago, IL · Remote

$54.25 - $74.50/hr

... mobile-based applications and web based application development. We are emerging as one of the ... Work in a DevOps model to define, develop, maintain and support products * Define and conform to ...

Ritchie Bros.

Staff Software Engineer

Westchester, IL · On-site +1

We are seeking a highly skilled Staff Software Engineer responsible for mobile application ... Strong communication and collaboration skills, with the ability to work effectively in a remote ...

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Mobile Remote Mainframe Developer information

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Mobile Remote Mainframe Developer jobs near you

Senior z/OS Administrator / Systems Programmer (Remote)

DivIHN

Springfield, IL • On-site, Remote

$85K - $115K/yr

Full-time

Posted 19 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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