Mainframe Administrator

Mainframe Administrator

Full-Time 36000 - 60000 £ / year (est.) No home office possible
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DCV Technologies

At a Glance

  • Tasks: Manage and optimise z/OS systems in a dynamic enterprise environment.
  • Company: Join a leading enterprise focused on critical IBM Z infrastructure.
  • Benefits: Competitive pay, hands-on experience, and opportunities for professional growth.
  • Why this job: Be at the forefront of mainframe technology and make a real impact.
  • Qualifications: Strong z/OS experience and a passion for system optimisation.
  • Other info: Work in a collaborative team with exciting challenges and career advancement.

The predicted salary is between 36000 - 60000 £ per year.

We are seeking a Senior Mainframe z/OS Administrator / Systems Programmer to join a large enterprise environment supporting critical IBM Z infrastructure. This is a hands-on role focused on z/OS system administration, upgrades, performance tuning and disaster recovery within a 24/7 production estate.

Key Responsibilities

  • Plan and execute z/OS upgrades, maintenance, PTFs and APARs
  • Install, configure and support ISV products (Broadcom/CA, BMC, Rocket Software)
  • Manage IBM Z hardware including CPC, LPAR configuration, HMC/SE, IOCP/IODF
  • Monitor and tune performance using RMF, SMF, TMON, SAS, WLM
  • Support GDPS, IPL testing and disaster recovery execution
  • Provide incident resolution and participate in on-call support

Essential Skills

  • Strong hands-on experience with z/OS installation, configuration and support
  • Proven experience delivering major z/OS upgrades
  • Deep knowledge of LPAR, HMC, IOCP, IODF, FICON, OSA, Coupling Facility
  • Experience supporting ISV tools (Broadcom, BMC, Rocket)
  • Performance tuning and capacity management expertise

Desirable

  • GDPS exposure
  • Automation tools such as OPS/MVS or System Automation
  • Experience within large enterprise or regulated environments

This role is ideal for a Senior z/OS Systems Programmer / Mainframe Infrastructure Engineer who thrives in complex environments.

Mainframe Administrator employer: DCV Technologies

Join a leading enterprise that values innovation and excellence in technology, offering a dynamic work environment for Mainframe Administrators. With a strong focus on employee development, we provide extensive training opportunities and a collaborative culture that encourages growth and knowledge sharing. Located in a vibrant area, our office fosters a supportive atmosphere where your contributions are recognised and rewarded, making it an ideal place for those seeking a meaningful career in IT.
DCV Technologies

Contact Detail:

DCV Technologies Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Mainframe Administrator

✨Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend meetups, and join online forums. We all know that sometimes it’s not just what you know, but who you know that can land you that dream job.

✨Tip Number 2

Prepare for interviews by practising common questions related to z/OS administration. We recommend setting up mock interviews with friends or using online platforms to get comfortable discussing your experience and skills.

✨Tip Number 3

Showcase your expertise! Create a portfolio or a personal website where you can highlight your projects, achievements, and any relevant certifications. This gives potential employers a tangible way to see what you bring to the table.

✨Tip Number 4

Don’t forget to apply through our website! We’ve got loads of opportunities waiting for talented Mainframe Administrators like you. Plus, applying directly can sometimes give you an edge over other candidates.

We think you need these skills to ace Mainframe Administrator

z/OS Administration
System Programming
IBM Z Infrastructure Support
Performance Tuning
Disaster Recovery
ISV Product Support
CPC Management
LPAR Configuration
HMC/SE Management
IOCP/IODF Management
RMF Monitoring
SMF Analysis
Incident Resolution
Automation Tools (OPS/MVS, System Automation)
GDPS Exposure

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your hands-on experience with z/OS and any relevant upgrades you've delivered. We want to see how your skills match the key responsibilities listed in the job description.

Craft a Compelling Cover Letter: Use your cover letter to tell us why you're passionate about mainframe administration. Share specific examples of your experience with IBM Z infrastructure and how you’ve tackled challenges in past roles.

Showcase Your Technical Skills: Don’t forget to mention your expertise with ISV products like Broadcom and BMC. We’re looking for someone who can hit the ground running, so highlight any performance tuning or disaster recovery work you've done.

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 DCV Technologies

✨Know Your z/OS Inside Out

Make sure you brush up on your z/OS knowledge before the interview. Be ready to discuss your hands-on experience with installation, configuration, and support. They’ll likely ask about specific upgrades you've delivered, so have some examples ready to showcase your expertise.

✨Familiarise Yourself with Key Tools

Get comfortable with the ISV products mentioned in the job description, like Broadcom, BMC, and Rocket Software. If you’ve used any performance tuning tools like RMF or SMF, be prepared to explain how you’ve applied them in real scenarios. This will show that you’re not just familiar with the tools but know how to leverage them effectively.

✨Prepare for Scenario-Based Questions

Expect questions that put you in hypothetical situations, especially around disaster recovery and incident resolution. Think through past experiences where you had to troubleshoot or manage a critical situation. Being able to articulate your thought process and actions will demonstrate your problem-solving skills.

✨Show Your Passion for Continuous Learning

The tech world is always evolving, so express your enthusiasm for keeping up with new developments in mainframe technology. Mention any recent courses, certifications, or projects you’ve undertaken. This shows that you’re proactive and committed to growing your skills, which is a big plus for any employer.

Mainframe Administrator
DCV Technologies
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