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- Tasks: Engineer CICS Liberty environments and ensure seamless integration with modern ops practices.
- Company: Leading tech firm in London/Edinburgh with a focus on innovation.
- Benefits: Competitive contract rate, hybrid work model, and opportunities for skill enhancement.
- Other info: Exciting chance to grow your career in a fast-paced environment.
- Why this job: Join a dynamic team and work on cutting-edge middleware technologies.
- Qualifications: Deep knowledge of CICS, z/OS, and Java runtime configurations required.
The predicted salary is between 60000 - 80000 £ per year.
Location: London/Edinburgh
Type of Job: Contract
Mode of work: Hybrid - 2-3 days onsite in week
Key Responsibilities
- CICS & z/OS Systems Engineering Expertise – Individual must display deep practical experience with how CICS runs on z/OS, beyond application development.
- IBM WebSphere Liberty (CICS Liberty) & Java Runtime Skills - A CICS Liberty Infrastructure Engineer must understand Liberty as a runtime and have experience in configuring the runtime.
- Security, Integration & Modern Ops Practices - CICS Liberty environments are exposed to modern integration patterns and strict security requirements.
Essential skills/knowledge/experience:
- CICS system setup and configuration (regions, JVM servers)
- Understanding of z/OS components used by CICS Liberty (USS, RACF, TCP/IP, SMF)
- Capacity planning, performance tuning, and availability (HA/DR)
- Problem determination using dumps, traces, SMF data, and logs
- WebSphere Liberty configuration (server.xml, features, shared libraries)
- JVM tuning for z/OS (heap sizing, GC behaviour)
- Managing Java workload inside CICS (JVM servers lifecycle, diagnostics)
- Patching and maintaining Liberty and Java SDK levels
- RACF and TLS configuration (certificates, keyrings, SAF integration)
- REST/HTTP exposure and API enablement
- CI/CD awareness (bundles, pipelines, automated deployment)
- Operational monitoring and log management
Mainframe Middleware Infra Engineer - CICS Liberty in London employer: Vallum Associates
Contact Detail:
Vallum Associates Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Mainframe Middleware Infra Engineer - CICS Liberty in London
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, attend meetups, and connect with people on LinkedIn. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Prepare for those interviews by brushing up on your CICS and z/OS knowledge. Be ready to discuss your hands-on experience with IBM WebSphere Liberty and how you've tackled real-world problems in past roles.
✨Tip Number 3
Showcase your skills! Create a portfolio or a project that highlights your expertise in CICS system setup, JVM tuning, and security practices. This can really set you apart from other candidates.
✨Tip Number 4
Don’t forget to apply through our website! We’ve got some fantastic opportunities waiting for you, and applying directly can sometimes give you an edge over other applicants.
We think you need these skills to ace Mainframe Middleware Infra Engineer - CICS Liberty in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with CICS and z/OS systems. We want to see how your skills match the key responsibilities listed in the job description, so don’t hold back on showcasing your expertise!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re the perfect fit for the Mainframe Middleware Infra Engineer role. We love seeing enthusiasm and a clear understanding of the technologies involved, like IBM WebSphere Liberty.
Showcase Relevant Projects: If you've worked on projects involving CICS Liberty or Java Runtime, make sure to mention them! We appreciate real-world examples that demonstrate your problem-solving skills and technical know-how.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy!
How to prepare for a job interview at Vallum Associates
✨Know Your CICS Inside Out
Make sure you brush up on your CICS and z/OS systems engineering knowledge. Be ready to discuss how CICS operates on z/OS, not just from a development perspective but also in terms of setup, configuration, and performance tuning.
✨Master WebSphere Liberty
Familiarise yourself with IBM WebSphere Liberty, especially its configuration and runtime aspects. Prepare to explain how you've configured server.xml files and managed shared libraries in past roles.
✨Security is Key
Given the strict security requirements for CICS Liberty environments, be prepared to talk about your experience with RACF, TLS configuration, and how you've handled security in previous projects. Highlight any specific challenges you've overcome.
✨Show Your CI/CD Savvy
Demonstrate your understanding of modern operational practices, particularly CI/CD. Be ready to discuss how you've implemented automated deployment pipelines and managed Java workloads within CICS, as this will show you're up-to-date with current industry standards.