Principal Engineer (IBM I/IBM Z) in London
Principal Engineer (IBM I/IBM Z)

Principal Engineer (IBM I/IBM Z) in London

London Temporary 66000 - 84000 Β£ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Lead and evolve IBM i and IBM Z platforms for global enterprise systems.
  • Company: Join a forward-thinking tech company in Sheffield with a hybrid work model.
  • Benefits: Competitive pay, flexible working, and opportunities for professional growth.
  • Why this job: Make a significant impact on critical systems while advancing your engineering career.
  • Qualifications: 5+ years in senior engineering roles with expertise in IBM i and IBM Z.
  • Other info: Dynamic environment with a focus on innovation and operational excellence.

The predicted salary is between 66000 - 84000 Β£ per year.

Recruiting a Principal Engineer to lead and evolve our clients' Core Enterprise Platforms, with deep expertise in IBM i and IBM Z. This is a senior, hands-on role owning platform stability, performance, and resilience across business-critical systems for a global function. Client is looking for continuity for this 2-year programme.

The Role

  • Act as technical authority for IBM i and IBM Z platforms
  • Lead capacity management, performance tuning, and scalability planning
  • Advise/challenge and implement good DevOps practices
  • Own backup, recovery, and disaster recovery strategy and execution
  • Ensure high availability, resilience, and operational excellence
  • Drive platform standards, architecture decisions, and technical roadmaps
  • Resolve complex incidents and mentor senior engineers

Required skills and experience

  • 5+ years principal/senior engineering position
  • Extensive experience with IBM i and IBM Z (Mainframe)
  • Strong background in capacity planning and performance management
  • Proven expertise in backup, recovery, and DR for enterprise platforms
  • Experience operating large-scale, mission-critical environments
  • Ability to communicate clearly with technical and non-technical stakeholders
  • A background in Financial Services would be nice but not mandatory

Interviews ASAP, start February/beginning of March 2026.

Principal Engineer (IBM I/IBM Z) in London employer: Click

Join a forward-thinking organisation that values innovation and expertise, offering a dynamic work culture in Sheffield. As a Principal Engineer, you will not only lead critical projects but also benefit from continuous professional development and a supportive environment that encourages collaboration and growth. With competitive remuneration and a hybrid working model, this role provides an excellent opportunity to make a significant impact while enjoying a balanced work-life experience.
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Contact Detail:

Click Recruiting Team

StudySmarter Expert Advice 🀫

We think this is how you could land Principal Engineer (IBM I/IBM Z) in London

✨Tip Number 1

Network like a pro! Reach out to your connections in the industry, especially those who work with IBM i and IBM Z. A friendly chat can lead to insider info about job openings or even a referral.

✨Tip Number 2

Prepare for those interviews! Brush up on your technical skills and be ready to discuss your experience with capacity management and performance tuning. We want you to shine when it comes to showcasing your expertise.

✨Tip Number 3

Don’t forget to follow up after interviews! A quick thank-you email can keep you fresh in the interviewer's mind. Plus, it shows your enthusiasm for the role, which is always a bonus.

✨Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take that extra step to connect with us directly.

We think you need these skills to ace Principal Engineer (IBM I/IBM Z) in London

IBM i
IBM Z
Capacity Management
Performance Tuning
Scalability Planning
DevOps Practices
Backup and Recovery
Disaster Recovery Strategy
High Availability
Operational Excellence
Technical Roadmaps
Incident Resolution
Mentoring Senior Engineers
Communication Skills

Some tips for your application 🫑

Tailor Your CV: Make sure your CV highlights your experience with IBM i and IBM Z. We want to see how your skills align with the role, so don’t be shy about showcasing your achievements in capacity management and performance tuning!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re the perfect fit for this Principal Engineer role. Share specific examples of how you've driven platform standards and resolved complex incidents in the past.

Showcase Your Technical Authority: In your application, emphasise your hands-on experience and technical authority in IBM i and IBM Z platforms. We’re looking for someone who can lead and mentor, so let us know how you’ve done that before!

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 don’t miss out on any important updates during the process!

How to prepare for a job interview at Click

✨Know Your IBM i and IBM Z Inside Out

Make sure you brush up on your knowledge of IBM i and IBM Z platforms. Be ready to discuss specific projects you've worked on, particularly around capacity management and performance tuning. This will show that you not only understand the technology but can also apply it effectively.

✨Demonstrate Your Leadership Skills

As a Principal Engineer, you'll be expected to lead and mentor others. Prepare examples of how you've successfully led teams or projects in the past. Highlight your experience in driving platform standards and making architectural decisions, as this will resonate well with the interviewers.

✨Prepare for Scenario-Based Questions

Expect questions that put you in real-world scenarios, especially around backup, recovery, and disaster recovery strategies. Think through your approach to resolving complex incidents and be ready to explain your thought process clearly. This will showcase your problem-solving skills and technical authority.

✨Communicate Effectively with All Stakeholders

Since the role requires interaction with both technical and non-technical stakeholders, practice explaining complex concepts in simple terms. This will demonstrate your ability to bridge the gap between different teams and ensure everyone is on the same page, which is crucial for operational excellence.

Principal Engineer (IBM I/IBM Z) in London
Click
Location: London

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