Mainframe security engineer Jobs

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Principal Mainframe Architect

Unisys -
Bengaluru, Karnataka

Apply Now

Job details

Qualifications

CI/CD
Azure
Computer Science
DB2
Master's degree
CICS
AWS
Bachelor's degree
Distributed systems
Continuous integration
COBOL
Mainframe development
APIs
IT
Communication skills
Banking
High availability

Full job description

What success looks like in this role:

Own and drive the enterprise mainframe architecture vision, strategy, and roadmap aligned with business goals
Lead and govern large-scale application modernization initiatives including re-hosting, re-platforming, refactoring, and re-architecting.
Act as the highest-level technical authority for IBM z/OS and mainframe-centered solutions
Lead and govern mainframe modernization and transformation initiatives, including hybrid cloud integration, API enablement, and DevOps adoption
Define and enforce architecture standards, reference architectures, and best practices across mainframe platforms
Provide architectural oversight for capacity planning, performance, scalability, resilience, and cost optimization
Partner with CIO/CTO, Enterprise Architecture, and senior stakeholders to influence technology and investment decisions
Ensure architecture compliance with security, regulatory, audit, and risk management requirements
Evaluate and recommend tools, platforms, and vendor solutions to improve efficiency and innovation
Serve as an escalation authority for critical production and systemic issues, ensuring long-term architectural fixes
Provide technical leadership, design reviews, and risk mitigation guidance across delivery programs.
Mentor architects and senior engineers, setting standards for engineering excellence and technical governance.

#LI-SN1

You will be successful in this role if you have:

Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent experience.
Expert-level knowledge of IBM Mainframe architecture including z Systems, z/OS, Sysplex, and GDPS
Extensive experience with CICS, IMS, DB2, MQ, VSAM, and high-volume transaction systems
Strong background in mainframe application architecture (COBOL, PL/I, Assembler, JCL)
Strong knowledge of legacy mainframe stack (Fujitsu GS21)
Proven expertise in performance engineering, workload management (WLM), and capacity planning
Deep understanding of mainframe security (RACF / ACF2 / Top Secret) and compliance frameworks
AWS / Azure / GCP)

Exposure to DevOps, CI/CD, and automation in mainframe environments
Strong knowledge of DR, BC planning, high availability, and data resiliency architecture.
Strong architectural and strategic thinking capability
Excellent communication skills, including executive-level stakeholder engagement
Ability to influence and lead across large, globally distributed teams
Customer-focused approach aligned with Unisys delivery and transformation objectives.
15+ years of IT experience with 10+ years in large-scale mainframe environments
Previous experience as a Mainframe Architect, Enterprise Architect, or Principal Engineer
Proven track record leading enterprise-scale modernization or transformation programs
Experience working in regulated industries (banking, insurance, government, healthcare preferred)
Comfortable operating at both strategic and hands-on architectural levels
IBM certifications (z/OS, z Systems Architecture, DB2, CICS) preferred.

Unisys is proud to be an equal opportunity employer that considers all qualified applicants without regard to age, blood type, caste, citizenship, color, disability, family medical history, family status, ethnicity, gender, gender expression, gender identity, genetic information, marital status, national origin, parental status, pregnancy, race, religion, sex, sexual orientation, transgender status, veteran status or any other category protected by law.

Local employment practices and rights may vary by jurisdiction and are subject to applicable local laws. This commitment includes our efforts to provide for all those who seek to express interest in employment the opportunity to participate without barriers.

If you are a US job seeker unable to review the job opportunities herein, or cannot otherwise complete your expression of interest, without additional assistance and would like to discuss a request for reasonable accommodation, please contact our Global Recruiting organization at [email protected] . US job seekers can find more information about Unisys’ EEO commitment here .

Apply Now

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