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Closed on September 17, 2026.
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Mainframe Cybersecurity Software Engineer
Application Security
COBOL
Cybersecurity Tools
Data Security
Engineer
Facilities Management
Information Security
Information Technology (IT)
InfoSec
Mainframe
Risk Management
Security
Security Testing
Software Engineer
Software Security
Z/os
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Job Description
Motion Recruitment is hiring a Mainframe Cybersecurity Software Engineer in Plano, TX for an onsite role blending secure engineering with mainframe modernization.
Responsibilities
- 75% hands on development and security engineering
- 25% customer interaction, mentoring, collaboration, and technical leadership
- 35% COBOL development
- 30% C development
- 20% Java development
- 15% security engineering focused on TLS and authentication technologies
- Modernize a low-code application generation platform while maintaining security and reliability
- Support secure software engineering across mainframe (z/OS) and distributed systems
- Apply software design and troubleshooting skills to deliver secure enterprise solutions
- Collaborate with others while sharing technical guidance and mentoring
Requirements
- Strong background in secure software development and secure coding practices
- 12+ years of software engineering experience
- Expertise developing enterprise applications on z/OS and mainframe platforms
- Strong programming skills in COBOL, C, and Java
- Experience modernizing legacy applications while maintaining security and reliability
- Knowledge of authentication, authorization, cryptography, and secure application architecture
- Experience implementing secure communications and TLS-based solutions
- Understanding of hybrid environments spanning mainframe and distributed systems
- Strong troubleshooting and software design skills
- Bachelor’s degree required
Technologies
- COBOL
- C
- Java
- z/OS
- Linux
- Windows
- TLS
Desired Skills & Experience
- Experience with code generation or low-code application platforms
- Knowledge of RACF or other enterprise security integrations
- Experience developing dynamically linked security libraries
- Familiarity with Windows and Linux application environments
- Experience with interlanguage communication such as COBOL-to-C integrations
- Customer-facing consulting, training, or presentation experience
- Conference speaking or technical evangelism experience
- Experience helping enterprise customers implement security best practices
Benefits
- Medical, Dental, and Vision Insurance
- Vacation Time
- Stock Options
- Bonus eligible
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