Mainframe

Mainframe Cybersecurity Jobs

2 jobs found

2d ago

Mainframe Cybersecurity Software Engineer

Motion Recruitment Plano, TX

Plano, TX

2d ago

Full time Application Security COBOL Cybersecurity Tools

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Job Description

The Mainframe Cybersecurity Software Engineer role at Motion Recruitment in Plano, TX (onsite) focuses on secure software engineering and the modernization of a low-code application generation platform. The position combines hands-on mainframe work on z/OS with security engineering that extends across distributed systems and multiple programming languages.

Role Focus

This role is designed for engineering leadership rooted in secure development practices. You will contribute directly to application work while supporting security engineering efforts, with collaboration that includes customer interaction, mentoring, and technical leadership.

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, TLS, and authentication technologies

Core 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

Technology Stack

COBOL, C, Java
z/OS
Linux, Windows
TLS

Desired Skills and 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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1mo ago

Senior Security Consultant (Mainframe Penetration Tester)

NetSPI LLC Minneapolis, MN

Minneapolis, MN

1mo ago Closed

Full time Senior Application Security CICS

This position is no longer accepting applications (closed Aug 20, 2026).

Job Description

Senior security consultant focusing on mainframe penetration testing (z/OS), onsite in Minneapolis, MN.

Responsibilities

Perform comprehensive penetration tests across networks, applications, platforms, and z/OS components, including CICS, IMS, and Db2.
Create and deliver clear, actionable penetration test reports to clients.
Collaborate with clients to develop remediation strategies that strengthen their security posture.
Research and develop innovative techniques, tools, and methodologies for penetration testing services.
Contribute to the ongoing development and enhancement of NetSPI services and processes, and participate in thought leadership via blogs, presentations, white papers, webinars, podcasts, vlogs, and tweets.
Provide pre-sales support by assisting with scoping prospective engagements.
Act as a technical resource for internal team members on in-depth questions or security best practices.
Lead QA activities within assigned service lines.
Other duties as assigned.

Requirements

Bachelor’s degree or higher, with a focus on IT, Computer Science, Engineering or Math or equivalent experience.
3-5 years of experience in penetration testing, including network, web or thick client application, and operating system testing.
Experience with offensive toolkits used for network and application penetration testing.
Strong verbal and written communication skills.
Knowledge of z/OS fundamentals including, but not limited to: TSO, JCL, JES2, USS, Networking and at least one ESM (RACF, ACF2, Top Secret).
Programming experience in one or more of the following languages: Assembler, C, C++, REXX, Python.
Experience securing or managing z/OS-based systems.
Experience with pentesting frameworks or certifications such as PTAS, PTES, OSCP or other offensive security certifications.

Technologies

z/OS
CICS
IMS
Db2
TSO
JCL
JES2
USS
RACF
ACF2
Top Secret
Assembler
C
C++
REXX
Python

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Mainframe Cybersecurity Jobs

Mainframe Cybersecurity Software Engineer

Senior Security Consultant (Mainframe Penetration Tester)

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