Mainframe Systems Administrator zOS

JR United Kingdom; Woking; On-site; GBP 45,000 - 65,000; Full time

Job summary

A leading technology firm is seeking a Mainframe System Administrator z/OS in Woking. The role involves solving complex system problems, ensuring security compliance, and collaborating on modernization projects. Candidates should possess relevant technical skills and be eligible for UK Security Clearance, with opportunities for career progression in a diverse environment.

Qualifications

• Technical expertise in MVS SMP/e and z/OS systems.
• Experience in system administration and maintenance.
• Willingness to learn and develop mainframe skills.

Responsibilities

• Manage client systems data and ensure security compliance.
• Prioritize tickets to deliver solutions efficiently.
• Recommend modernization strategies and identify new business opportunities.

Skills

Customer-focused

Growth mindset

Tools

TSO

ISPF

SDSF

SM9

ServiceNow

Job description

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Client:

Location:

Woking, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

2

Posted:

04.06.2025

Expiry Date:

19.07.2025

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Job Description:

As a Mainframe System Administrator z/OS at Kyndryl, you’ll solve complex problems and identify potential future issues across platforms and services. You’ll work with cutting-edge technology and modernization projects, serving some of our largest clients worldwide.

Every day is different as a Mainframe System Administrator z/OS at Kyndryl. You’ll manage client systems data, ensure security compliance, and prioritize tickets to deliver solutions efficiently. Our clients span industries like banking and retail, offering opportunities to broaden or specialize your expertise. You’ll also recommend modernization strategies, identify new business opportunities, and collaborate across teams. Challenges are part of the job, but you’ll develop valuable management and organizational skills along the way.

At Kyndryl, career growth is supported through opportunities from Junior System Administrator to Architect, including hands-on experience and certifications across major cloud platforms. We value inclusivity and the ability to work effectively across diverse industries.

• All roles offer career progression, with unique opportunities in cloud hyperscalers and industry-specific knowledge.
• Applicants must be eligible for full UK Govt Security Clearance.

Job Qualifications

• Proven experience in relevant technical skills and a growth mindset.
• Customer-focused and inclusive in work approach.

Required Technical and Professional Expertise:

• MVS SMP/e skills and foundational knowledge of z/OS systems.
• Proficiency with z/OS tools like TSO, ISPF, SDSF.
• Experience with z/OS system administration, installation, and maintenance.
• Familiarity with z/OS ISHELL/OpenMVS and system operations.
• Experience with mainframe product installation.
• Willingness to learn and develop mainframe skills.
• Must be eligible for UK Security Clearance.

Nice to have:

• Vulnerability management expertise.
• Familiarity with ticketing tools like SM9, ServiceNow.
• Mainframe certifications are a plus.