10 senior mainframe performance engineer jobs found

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Senior Mainframe Performance Engineer (z/OS) About your role: You will be responsible for analyzing, monitoring, and optimizing the performance of mainframe systems. This role involves identifying performance bottlenecks, implementing improvements, and ensuring the efficient operation of critical business applications meet SLAs and KPIs. What you’ll do: Conduct detailed analysis of mainframe performance metrics to identify areas for...

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Senior Mainframe Performance Engineer (z/OS) About your role: You will be responsible for analyzing, monitoring, and optimizing the performance of mainframe systems. This role involves identifying performance bottlenecks, implementing improvements, and ensuring the efficient operation of critical business applications meet SLAs and KPIs. What you’ll do: Conduct detailed analysis of mainframe performance metrics to identify areas for...

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Senior Mainframe Performance Engineer (z/OS) About your role: You will be responsible for analyzing, monitoring, and optimizing the performance of mainframe systems. This role involves identifying performance bottlenecks, implementing improvements, and ensuring the efficient operation of critical business applications meet SLAs and KPIs. What you’ll do: Conduct detailed analysis of mainframe performance metrics to identify areas for...

Calling all innovators – find your future at Fiserv. We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Senior Systems Engineer (CICS/Assembler) About your role: You will provide senior-level CICS/TS technical support (installation, implementation, administration, and maintenance) for all Fiserv IBM mainframe-based CICS/TS solutions supporting Fiserv’s Issuing, Acquiring, and Payments clients globally.   This support includes working and supporting internal and external clients using IBM’s CICS/TS solutions and work with other mainframe-based...

At LSEG, we’re looking for a Category Manager for our Infrastructure & Cloud Category, with a focus on management of our Cloud Service Providers and associated services. Group Procurement is responsible for third-party supplier engagements and business partnership to drive high performing and sustainable value from our supplier relationships. We strive to make LSEG easier and more attractive to do business with, and we consider our suppliers as a source of competitive advantage and not just about cost. We operate a business partnering and supplier relationship management (SRM) model, aligned to business groups and spend categories, ensuring value through early and strategic engagement and informative vendor spend analytics. Some key characteristics of the new Group Procurement organisation: Supplier spend c £2BN and c. 5,000 suppliers Team structured around: Three towers of spend - Technology, Services and Corporate - passionate about category management, strategic...

At Broadridge, we've built a culture where the highest goal is to empower others to accomplish more. If you’re passionate about developing your career, while helping others along the way, come join the Broadridge team. Engineering technology is designing and building of enterprise wide structures, networks, servers, systems, monitoring, testing, telecom, security, storage and organizations to support the development team. Includes DevOps and Automation, Enterprise, Network, Platform, Security, Server and Service Delivery job families.   Qualifications: Must have 10 or more years of experience working in a Z/OS mainframe environment. Must have good communication skills.  Must be able to communicate ideas and recommendations to members within technical services and other areas within the organization Must be familiar with SMF recording and record types. Must know, understand, and be able to work with the following:                 SAS...

Proud to share LSEG in the India is Great Place to Work certified (Jun ’25 – Jun ’26). Learn more about life and purpose of our company directly from India colleagues’ video: Bengaluru, India | Where We Work | LSEG ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, lead risk and create jobs. It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our...

End Date Thursday 24 July 2025 Salary Range £140,216 - £164,960 We support flexible working – click here for more information on flexible working options Flexible Working Options Hybrid Working, Job Share Job Description Summary . Job Description JOB TITLE:  Engineering Lead  SALARY:  London £144,424 - £169,910, outside of London £124,653 - £146,650  LOCATION(S):  The role is based in London and Bristol with travel required to both as the platform is spread across both hubs and a handful of locations in India.  WORKING PATTERN:  We work flexibly and operate a hybrid working pattern. You should expect to be in office at least two days per week with home-working available for the remaining days.  About this opportunity   Your mission: At the Heart of Helping Britain Prosper  At Lloyds Banking Group, our purpose is to Help Britain Prosper. As the UK's largest financial services group, we're entrusted by over 26 million customers to...

At Broadridge, we've built a culture where the highest goal is to empower others to accomplish more. If you’re passionate about developing your career, while helping others along the way, come join the Broadridge team. We’re seeking an Engineering Manager to lead the engineering, implementation, and operational management of three mission-critical post-trade software products (Cage, VPS and OAES). These platforms handle the full lifecycle of clearing and settlement workflows, including trade capture, netting, matching, reconciliation, and asset movement. This is an excellent opportunity for someone who is ready to take on more responsibility in a critical business domain (clearing and settlements).  These platforms include a diverse range of technology including distributed Java and mainframe technologies, and include critical customer implementations and strategic technology renewal initiatives with seven engineering teams engaged in this area across the three products....

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Senior Systems Engineer (Unisys) What does a successful Senior Systems Engineer (Unisys) do at Fiserv? You will lead all Unisys ClearPath MCP OS, Network, and other major software release planning and implementations. You will also configure, plan and manage system hardware upgrades and act as a technical lead on larger projects. What you will do: Implementing and maintaining procedures to collect performance metrics and produce...