At a Glance
- Tasks: Support and enhance critical banking systems using IBM z/OS, CICS, and MQ technologies.
- Company: Join Atrium Global, a key player in financial services technology.
- Benefits: Competitive day rate of £600, hybrid working, and opportunities for professional growth.
- Other info: Dynamic role with opportunities for transformation initiatives in a regulated environment.
- Why this job: Make a real impact on enterprise banking platforms while working with cutting-edge technology.
- Qualifications: Proven experience with IBM High Level Assembler and strong troubleshooting skills.
DURATION: 3 months initial contract
LOCATION: Edinburgh, Manchester, Leeds OR Halifax (2 days to local office)
WORKING HOURS: Monday to Friday, standard business hours plus participation in a 24/7 on-call rota
ONSITE REQUIREMENTS: Hybrid working with 2 days per week onsite at local office
ENGAGEMENT TYPE: Outside ir35
DAY RATE / HOURLY RATE: £600 per day
LEGAL RIGHT TO WORK: Candidates must have the legal right to work in the UK. Sponsorship is not available for this role.
ATRUM GLOBAL SUMMARY: Atrium Global is supporting a major financial services client in the appointment of an experienced Mainframe Assembler Engineer to join a critical heritage engineering team supporting enterprise banking platforms and core transactional systems.
JOB OVERVIEW: We are seeking a highly experienced Mainframe Assembler Engineer with strong IBM z/OS expertise to support and enhance mission-critical banking systems. The role combines operational BAU support, incident resolution, technical change delivery and platform modernisation across a complex mainframe estate. You will work across HLASM, CICS, IBM MQ and core z/OS technologies, supporting high-availability systems and contributing to transformation initiatives within a regulated enterprise environment. This role includes participation in out-of-hours deployments and a 24/7 on-call support rota.
RESPONSIBILITIES:
- Provide technical support for IBM High Level Assembler applications within a z/OS environment
- Support and troubleshoot CICS and IBM MQ integrated services
- Perform root cause analysis for incidents, abends and performance issues across production and non-production environments
- Develop, maintain and enhance Assembler code for planned releases and platform improvements
- Maintain and optimise JCL batch processing and transaction performance
- Support upgrades, migrations and infrastructure changes across the mainframe estate
- Collaborate with COBOL, DB2 and infrastructure teams to deliver integrated technical solutions
- Participate in release validation, deployment readiness and production support activities
- Ensure adherence to ITIL governance, operational standards and risk controls
- Contribute to technical documentation, design reviews and continuous improvement initiatives
REQUIREMENTS:
- Proven experience supporting and developing IBM High Level Assembler (HLASM) on z/OS
- Strong hands-on knowledge of CICS, IBM MQ, JCL and VSAM
- Experience troubleshooting incidents and abends within enterprise mainframe environments
- Familiarity with tools such as Abend-Aid, IPCS, Omegamon or File-Aid
- Experience supporting both BAU operations and project delivery activities
- Understanding of COBOL and DB2 integration within mainframe platforms
- Knowledge of MQ security, TLS and operational governance controls
- Experience with automation or scripting tools such as REXX, Shell, Ansible or UrbanCode
- Strong analytical and problem-solving skills within high-availability environments
- Excellent communication and stakeholder collaboration skills
NICE TO HAVE:
- Experience within financial services or highly regulated enterprise environments
- Exposure to modernisation or transformation programmes involving legacy systems
- Previous experience working within large-scale enterprise banking platforms
Mainframe Assembler Engineer - IBM z/OS / CICS / MQ in Warrington employer: Atrium (EMEA)
Atrium Global is an exceptional employer, offering a dynamic work environment in the heart of Edinburgh, Manchester, Leeds, or Halifax. With a strong focus on employee growth and development, we provide opportunities to engage in transformative projects within the financial services sector while enjoying a hybrid working model that promotes work-life balance. Our collaborative culture encourages innovation and continuous improvement, making it a rewarding place for skilled professionals seeking meaningful contributions in a regulated enterprise setting.
StudySmarter Expert Advice🤫
We think this is how you could land Mainframe Assembler Engineer - IBM z/OS / CICS / MQ in Warrington
✨Network Like a Pro
Get out there and connect with folks in the industry! Attend meetups, webinars, or even local tech events. You never know who might have the inside scoop on job openings or can put in a good word for you.
✨Show Off Your Skills
When you land an interview, don’t just talk about your experience—show it! Bring examples of your work, like code snippets or project summaries, to demonstrate your expertise in IBM z/OS, CICS, and MQ.
✨Tailor Your Approach
Make sure to tailor your conversations and follow-ups to each company. Mention specific projects or technologies they’re working on that excite you. This shows you’ve done your homework and are genuinely interested.
✨Apply Through Us!
Don’t forget to check out our website for the latest job openings. Applying through us not only gives you access to exclusive roles but also helps us support you better in your job search journey!
We think you need these skills to ace Mainframe Assembler Engineer - IBM z/OS / CICS / MQ in Warrington
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to highlight your experience with IBM z/OS, CICS, and MQ. We want to see how your skills match the job description, so don’t be shy about showcasing relevant projects or roles you've had.
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 Assembler Engineer role. Share specific examples of your past work that align with the responsibilities listed in the job description.
Showcase Your Problem-Solving Skills:Since this role involves troubleshooting and incident resolution, make sure to include examples of how you've tackled complex issues in previous positions. We love seeing analytical thinking in action!
Apply Through Our Website:Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it makes the whole process smoother for everyone involved.
How to prepare for a job interview at Atrium (EMEA)
✨Know Your Tech Inside Out
Make sure you brush up on your IBM z/OS, CICS, and MQ knowledge. Be ready to discuss specific projects where you've used HLASM and how you've tackled issues in high-availability environments. The more detailed examples you can provide, the better!
✨Showcase Your Problem-Solving Skills
Prepare to talk about past incidents you've resolved, especially those involving abends or performance issues. Use the STAR method (Situation, Task, Action, Result) to structure your answers and highlight your analytical skills.
✨Understand the Business Context
Since this role is within financial services, it’s crucial to understand the impact of your work on banking systems. Familiarise yourself with how mainframe applications support enterprise banking and be ready to discuss how you can contribute to transformation initiatives.
✨Be Ready for Team Collaboration Questions
Expect questions about working with COBOL, DB2, and infrastructure teams. Think of examples where you've collaborated effectively with other teams to deliver integrated solutions, and be prepared to discuss your communication style and stakeholder management.
