Senior Mainframe Security Engineer — Modernize z/OS

Motion Recruitment; Plano (TX); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Medical, Dental, and Vision Insurance

Stock Options

Vacation Time

Job summary

Motion Recruitment is seeking a Senior Mainframe Cybersecurity Software Engineer for a Plano, TX-based role focused on securing and modernizing a long-established low-code platform used by large enterprise customers. You will work across COBOL, C, Java, z/OS, Linux, and Windows environments as a hands-on engineer and technical leader.

The ideal candidate has 12+ years of software engineering experience, deep expertise in mainframe security, and a track record of mentoring and presenting security

Qualifications

• 12+ years of software engineering experience.
• Strong background in secure software development and secure coding practices.
• Expertise developing enterprise applications on z/OS and mainframe platforms.

Responsibilities

• Hands-on development in COBOL, C, and Java across mainframe and distributed environments.
• Design secure application architecture and modernize legacy platforms while maintaining security and reliability.
• Mentor and engage with customers, present security-focused thought leadership, and influence product direction.

Skills

COBOL

C

Java

Security engineering

z/OS

Mainframe

TLS and cryptography

Authentication

Hybrid environments

Education

Bachelor's degree

Tools

RACF

Job description

Motion Recruitment is seeking a Senior Mainframe Cybersecurity Software Engineer for a Plano, TX-based role focused on securing and modernizing a long-established low-code platform used by large enterprise customers. You will work across COBOL, C, Java, z/OS, Linux, and Windows environments as a hands-on engineer and technical leader.

The ideal candidate has 12+ years of software engineering experience, deep expertise in mainframe security, and a track record of mentoring and presenting security