> Markdown version of [/jobs/ext/1930351-mainframe-cybersecurity-software-engineer-onsite](https://www.wearedevelopers.com/jobs/ext/1930351-mainframe-cybersecurity-software-engineer-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Cybersecurity Software Engineer / Onsite - **Company:** Motion Recruitment Partners LLC. - **Location:** Plano, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** C (Programming Language), Java (Programming Language), User Authentication, COBOL (Programming Language), Code Generation, Computer Programming, Linux, Distributed Systems, Mainframes, IBM Resource Access Control Facility, Secure Coding, Software Engineering, Systems Integration, Windows Desktop, Z/OS, Enterprise Software Applications, Low-code - **Published:** August 5, 2026 - **Apply:** https://www.dice.com/job-detail/f070ecb4-08f7-489d-8b7e-4d5a66c6b920 ## About the Role * 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 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 ## Description This is a unique opportunity for a senior engineer who enjoys solving security challenges within complex legacy platforms. The team is looking for someone who can modernize enterprise software, design secure application architecture, and help customers adopt current security standards. Beyond development, this individual will serve as a technical leader through mentorship, customer engagement, conference presentations, and security-focused thought leadership. With only a few engineers operating at this level, this role offers significant visibility and the opportunity to influence both product direction and customer success. ## Related Videos - [Reimagining app development with Low-code and AI](https://www.wearedevelopers.com/videos/1651-reimagining-app-development-with-low-code-and-ai) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [What If Apps Built Themselves? AI-Powered Low-Code for the Industrial Enterprise](https://www.wearedevelopers.com/videos/2079-what-if-apps-built-themselves-ai-powered-low-code-for-the-industrial-enterprise) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Now is the time for industrialized software development](https://www.wearedevelopers.com/magazine/601-now-is-the-time-for-industrialized-software-development)