# Software EngineerCapgeminipermanentAguascalientes, MX0 viewsPosted October 21, 2026##

Job Description
Mainframe Developer / L3 Support Engineer (Senior Level)Capgemini MexicoAs aSenior Mainframe Developer / L3 Support Engineerat Capgemini, you will play a critical role in maintaining, enhancing, and supporting business-critical mainframe applications. You will leverage your expertise in COBOL, Natural, ADABAS, DB2, VSAM, CICS, and z/OS environments to deliver reliable solutions, resolve complex production issues, and ensure operational stability. Working closely with integral teams and business stakeholders, you will drive continuous improvement, support modernization initiatives, and contribute to the long-term success of mission-critical systems.
Your RoleResponsibilities & ScopeWork on large-scale, business-critical mainframe applications that support core enterprise operations.
Collaborate with multidisciplinary teams across development, testing, infrastructure, and business functions to deliver high-quality solutions.
Take ownership of both application enhancements and complex L3 production support activities across online and batch processing environments.
Drive problem resolution through detailed analysis, debugging, root cause identification, and implementation of sustainable solutions.
Contribute to modernization and continuous improvement initiatives while preserving the stability and integrity of legacy systems.
Apply industry best practices in software engineering, incident management, change management, and operational excellence.
Grow your technical expertise in a collaborative environment that values innovation, accountability, and continuous learning.

Your Profile
Strong expertise in mainframe technologies, including COBOL, Natural, ADABAS, DB2, VSAM, CICS, JCL, and z/OS,



with the ability to navigate complex application ecosystems.
Demonstrated analytical mindset with the ability to troubleshoot, diagnose, and resolve complex production incidents while identifying long-term improvements.
Ownership mentality and accountability when managing critical applications, prioritizing service reliability and business continuity.
Effective communication and stakeholder collaboration skills, enabling productive interactions across technical and non-technical teams.
Continuous improvement mindset with a focus on quality, operational excellence, knowledge sharing, and modernization opportunities.

Job Description
Works in the area of Software Engineering, which encompasses the development, maintenance and optimization of software solutions/applications.1. Applies scientific methods to analyse and solve software engineering problems.2. He/she is responsible for the development and application of software engineering practice and knowledge, in research, design, development and maintenance.3. His/her work requires the exercise of original thought and judgement and the ability to supervise the technical and administrative work of other software engineers.4. The software engineer builds skills and expertise of his/her software engineering discipline to reach standard software engineer skills expectations for the applicable role, as defined in Professional Communities.5.



The software engineer collaborates and acts as team player with other software engineers and stakeholders.
Has more than a year of relevant work experience. Solid understanding of programming concepts, software design and software development principles. Consistently works to direction with minimal supervision, producing accurate and reliable results. Individuals are expected to be able to work on a range of tasks and problems, demonstrating their ability to apply their skills and knowledge. Organises own time to deliver against tasks set by others with a mid term horizon. Works co-operatively with others to achieve team goals and has a direct and positive impact on project performance and make decisions based on their understanding of the situation, not just the rules.

Job Description
- Grade SpecificWorks in the area of Software Engineering, which encompasses the development, maintenance and optimization of software solutions/applications.1. Applies scientific methods to analyse and solve software engineering problems.2. He/she is responsible for the development and application of software engineering practice and knowledge, in research, design, development and maintenance.3. His/her work requires the exercise of original thought and judgement and the ability to supervise the technical and administrative work of other software engineers.4. The software engineer builds skills and expertise of his/her software engineering discipline to reach standard software engineer skills expectations for the applicable role, as defined in Professional Communities.5. The software engineer collaborates and acts as team player with other software engineers and stakeholders.
Has more than a year of relevant wo

📌 Software Engineer (Aguascalientes)
🏢 MainframeMaster
📍 Aguascalientes