Mainframe Performance QA Engineer [BCP Special Pool] IRC248855

GlobalLogic; London; Hybrid; GBP 40,000 - 80,000; Full time

Job summary

Join a leading digital engineering firm as a Mainframe Performance QA Engineer, where you will leverage your expertise in performance testing and tuning within a collaborative team environment. This role offers the opportunity to work on critical projects for major telecom operators, ensuring the quality and performance of innovative products. With a focus on continuous improvement and a supportive culture, you will engage in hands-on testing and analysis, contributing to the success of cutting-edge solutions. If you are passionate about technology and thrive in a dynamic setting, this is the perfect opportunity for you.

Benefits

Comprehensive health and wellness plan

Private healthcare

Discounted gym memberships

Competitive pension scheme

Annual volunteering day

Social events and activities

Qualifications

• 5+ years of hands-on experience in performance testing and tuning.
• Strong expertise in IMS and DB2 with focus on performance tuning.

Responsibilities

• Work closely with the Development team to understand project goals.
• Analyze test results to determine performance impact and develop tuning recommendations.
• Execute performance tests for client site problem determination.

Skills

DB2

IBM IMS

JCL

Performance testing/tuning

z/OS

Debugging skills

Analytical skills

Communication skills

Problem-solving abilities

Job description

Mainframe Performance QA Engineer [BCP Special Pool] IRC248855

Job: IRC248855

Location: United Kingdom - London

Designation: Lead Test Engineer

Experience: 5-10 years

Function: Quality Assurance

Skills: DB2, IBM IMS, JCL, Performance testing/tuning, z/OS

Work Model: Remote, Hybrid

The client is a world-leading provider of telecommunication solutions to mobile & fixed network operators. GlobalLogic has a long and very successful partnership with this Company. GlobalLogic is building a team that will be responsible for a specific area – maintenance of products that are utilized by major US telecom operators.

Requirements:

At least 5 years of hands-on experience:

1. Good knowledge of IMS (log (IMS type 07 and Type 56FA) and ABEND analysis, DC Monitor (DFSUTR20), STROBE, Performance Analyzer, IMSASAP/GPAR, ability to read SYSUDUMPs, etc.)
2. Performance tuning techniques: OS (z/OS,) Database (IMS, DB2) with focus on IMS tuning
3. Strong expertise in performance testing and tuning
4. Strong technical QA experience
5. Excellent skills in defining, documenting, and analyzing test strategy, test plan, test cases, and test results
6. Excellent test case execution and troubleshooting skills
7. Testing proficiency (release-specific testing, regression testing)
8. Testing in a Waterfall environment
9. Manual and automated testing (online and batch)
10. Debugging skills and problem-solving abilities to proactively interpret test results, assess risks, and develop mitigations
11. Strong verbal and written communication skills; ability to work well across teams
12. Strong analytical skills – understand business processes and issues from business users
13. Good level of verbal and written communication in English
14. Telecom Domain will be a plus

Job Responsibilities:

1. Knowledge acquisition: learn assigned product to smallest details, become a good expert in the product
2. Work closely with the Development team and other stakeholders to understand the project goals and requirements
3. Performance Validation Plan and Performance Results documentation
4. Benchmark and volume testing including execution of monitoring tools and database utilities and interpretation of results
5. Analyze test results to determine performance impact (improvement/degradation)
6. Develop tuning recommendations as needed
7. Maintain and update performance test scripts as needed
8. Execute performance tests as needed for client site problem determination/fix validation
9. 3rd party software upgrade testing for performance impact assessment
10. Perform system testing, regression testing, and performance testing
11. New feature testing and assessment (as needed)
12. Work as part of a team in the mainframe environment
13. Be responsible for the quality of software product
14. Develop and work with testing documentation

What We Offer

Why work at GlobalLogic

Our goal is to build an inclusive positive culture where everyone can feel comfortable being themselves, empowering our people to create their own high standards and therefore more value. We work together to promote fairness while recognising, valuing and embracing differences – providing a transparent support structure and generous training budget to help our people develop skills to progress their career. Our region also supports a hybrid model which can flex across a wide spectrum of working options determined by our business, customer and individual needs.

You’ll benefit from a comprehensive health and wellness plan, private healthcare (clinical and mental wellbeing), and discounted gym memberships. We offer a fantastic benefits package including a competitive pension scheme and recognition schemes through bonus/reward initiatives. Colleagues are entitled to an annual volunteering day – so you can take time to support a cause close to your heart. We also love to stay social at our trips to the zoo, quiz nights, sports events, theatre trips and much more.

We are an equal opportunities employer. It is our policy to promote an environment free from discrimination, harassment and victimisation.

About GlobalLogic

GlobalLogic is a leader in digital engineering. We help brands across the globe design and build innovative products, platforms, and digital experiences for the modern world. By integrating experience design, complex engineering, and data expertise—we help our clients imagine what’s possible, and accelerate their transition into tomorrow’s digital businesses. Headquartered in Silicon Valley, GlobalLogic operates design studios and engineering centers around the world, extending our deep expertise to customers in the automotive, communications, financial services, healthcare and life sciences, manufacturing, media and entertainment, semiconductor, and technology industries. GlobalLogic is a Hitachi Group Company operating under Hitachi, Ltd. (TSE: 6501) which contributes to a sustainable society with a higher quality of life by driving innovation through data and technology as the Social Innovation Business.

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