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Live In Mainframe Security Engineer Jobs in Oklahoma

Mainframe Developer

Tulsa, OK · On-site

$44.75 - $57.50/hr

Deloitte is a leading professional services firm that seeks an experienced Mainframe Developer to work collaboratively in a technology-driven environment. The role involves daily development ...

Mainframe Developer

Tulsa, OK · Hybrid

$44.75 - $57.50/hr

Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Mainframe Developer ,you will have the ability to share new ideas and ...

Senior Security Engineer

Tulsa, OK · On-site

$104K - $143K/yr

Combining in-house talent, personalized services, and proprietary technology, we ensure the best ... Overview We are hiring a Senior Security Engineer to lead technical initiatives across endpoint ...

Senior Endpoint Security Engineer

Oklahoma City, OK · On-site

$106K - $145K/yr

Required : • 5+ years of experience in Endpoint Security Engineering, IT Security, or related infrastructure roles. • Hands-on expertise with Microsoft Intune / Endpoint Manager, Defender for ...

Network Security Engineer

Oklahoma City, OK · On-site

$89K - $122K/yr

Join our growing team as a Network/Security Engineer in support of the FAA's SWIM Terminal Data Distribution System (STDDS). Responsibilities: * Responsible for designing, implementing, and ...

Network Security Engineer

Oklahoma City, OK · On-site

$89K - $122K/yr

Join our growing team as a Network/Security Engineer in support of the FAA's SWIM Terminal Data Distribution System (STDDS). Responsibilities: * Responsible for designing, implementing, and ...

EnerSys is a global leader in stored energy solutions for industrial applications. We have over ... Job Purpose The Application Security Engineer is responsible for strengthening the security of our ...

Senior Endpoint Security Engineer

Oklahoma City, OK · On-site

$106K - $145K/yr

Success in this role means maintaining a resilient endpoint ecosystem-devices that are secure by ... Partner with Desktop Engineering, IT, and Cloud Security teams to ensure cohesive endpoint and ...

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Live In Mainframe Security Engineer information

What are the key skills and qualifications needed to thrive as a Live In Mainframe Security Engineer, and why are they important?

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.

What are Live In Mainframe Security Engineers?

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.

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.
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What cities in Oklahoma are hiring for Live In Mainframe Security Engineer jobs? Cities in Oklahoma with the most Live In Mainframe Security Engineer job openings:
Infographic showing various Live In Mainframe Security Engineer job openings in Oklahoma as of June 2026, with employment types broken down into 1% Locum Tenens, 1% As Needed, 46% Full Time, 21% Part Time, 2% Temporary, and 29% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution.
Mainframe Developer

Mainframe Developer

Deloitte

Tulsa, OK • On-site

$44.75 - $57.50/hr

Full-time

Posted 5 days ago


Deloitte rating

8.1

Company rating: 8.1 out of 10

Based on 86 frontline employees who took The Breakroom Quiz

58th of 138 rated financial services


Job description

Job Summary:
Deloitte is a leading professional services firm that seeks an experienced Mainframe Developer to work collaboratively in a technology-driven environment. The role involves daily development, maintenance, and support of mainframe health claims applications, as well as developing and deploying code changes for claims processing systems.
Responsibilities:
• Responsible for the daily development, maintenance, and support of the mainframe health claims applications.
• Develop, test, and deploy code changes for claims processing systems based on technical specifications.
• Monitor daily batch jobs and resolve ABENDs within defined SLA timelines.
• Assist in unit and integration testing of new healthcare compliance updates.
• Maintain accurate technical documentation and runbooks for the Operate team.
Qualifications:
Required:
• 4+ years of experience in software, systems, or embedded engineering
• 4+ years of experience in Mainframe application development (COBOL, JCL, DB2)
• Experience with incident and change management processes (e.g., ServiceNow)
• Bachelor's degree, preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience
• Limited immigration sponsorship may be available
• Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve
Preferred:
• Experience in the healthcare/insurance domain
Company:
Deloitte is a business consulting company that offers audit, consulting, financial advisory, and tax services. Founded in 1845, the company is headquartered in London, GBR, with a team of 10001+ employees. The company is currently Late Stage.

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