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Live In Mainframe Security Engineer Jobs in Springfield, IL

Infojini Inc

Cobol Developer

Springfield, IL · On-site

$49.75 - $67.50/hr

An experienced developer with mainframe/COBOL experience to work in business application development. Environment and tools are IBM Mainframe platform, z/OS operating system, TSO/ISPF and DB2.

Hshs

Information Security Architect

Springfield, IL · On-site +1

$61.43 - $92.15/hr

Collaborating with IT, clinical engineering, compliance, privacy, and business teams, the role ... These are the ideals we believe in, work by, and live each day. Built upon more than 145 years of ...

Infojini Inc

Cobol Developer

Springfield, IL · On-site

$49.75 - $67.50/hr

An experienced developer with mainframe/COBOL experience to work in business application development. Environment and tools are IBM Mainframe platform, z/OS operating system, TSO/ISPF and DB2.

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All JobsLive In Mainframe Security Engineer JobsLive In Mainframe Security Engineer Jobs in Springfield, IL

Live In Mainframe Security Engineer information

See Springfield, IL salary details

$22.8K

$138.4K

$172.9K

How much do live in mainframe security engineer jobs pay per year?

As of Aug 27, 2026, the average yearly pay for live in mainframe security engineer in Springfield, IL is $138,358.00, according to ZipRecruiter salary data. Most workers in this role earn between $115,000.00 and $158,600.00 per year, depending on experience, location, and employer.

What is a live in mainframe security engineer?

Live In Mainframe Security Engineers are IT professionals who specialize in securing mainframe computer systems, often residing on-site or being readily available to manage security concerns around the clock. Their duties include monitoring for threats, managing access controls, patching vulnerabilities, and ensuring compliance with security policies on mainframe platforms. These engineers play a critical role in protecting sensitive data and maintaining the integrity and availability of essential business systems that rely on mainframes.

What are the key skills and qualifications needed to thrive as a live in mainframe security engineer?

To thrive as a Live In Mainframe Security Engineer, you need a robust understanding of mainframe systems, cybersecurity principles, and typically a degree in computer science or a related field. Familiarity with tools like RACF, ACF2, or Top Secret, and relevant certifications such as CISSP or CISM, are commonly required. Strong problem-solving skills, attention to detail, and the ability to communicate complex security issues clearly are standout soft skills in this role. These skills and qualifications are essential to safeguard critical enterprise data, maintain regulatory compliance, and ensure reliable system operations.

How does a live in mainframe security engineer typically collaborate with IT and compliance teams to ensure system security?

A Live In Mainframe Security Engineer works closely with IT operations, application developers, and compliance officers to maintain robust security protocols for mainframe systems. This collaboration often involves conducting regular security assessments, coordinating on access control implementations, and ensuring compliance with regulatory standards such as PCI DSS or SOX. The role requires strong communication skills to translate complex security requirements into actionable tasks for different teams. Regular meetings and joint incident response exercises help ensure everyone is aligned in protecting critical enterprise data.

What cities near Springfield, IL are hiring for Live In Mainframe Security Engineer jobs?

Cities near Springfield, IL with the most Live In Mainframe Security Engineer job openings:

Live In Mainframe Security Engineer jobs near you
Infographic showing various Live In Mainframe Security Engineer job openings in Springfield, IL as of June 2026, with employment types broken down into 99% Full Time, and 1% Part Time. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $138,358 per year, or $66.5 per hour.

Senior z/OS Administrator / Systems Programmer (Remote)

Springfield, IL • On-site, Remote

DivIHN
See more jobs at DivIHNexternal

$85K - $115K/yr

Full-time

Re-posted 11 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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