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Mainframe Service Operator
Mainframe Service Operator – Knutsford
Behind every great digital experience is a resilient technology platform. Join Barclays as a Mainframe Service Operator and help keep our critical services running smoothly, securely, and around the clock.
Key Responsibilities
You will be responsible for:
- Monitoring and maintaining the bank’s critical technology infrastructure, ensuring minimal disruption to operations.
- Providing technical support for service management to resolve complex technical issues for clients.
- Developing a support model and improving service offerings for customers and stakeholders.
- Executing preventative maintenance tasks on hardware and software.
- Utilising monitoring tools and metrics to identify, prevent, and address potential issues, ensuring optimal performance.
- Maintaining a knowledge base with detailed documentation of resolved cases for future reference, self-service, and knowledge sharing.
- Analysing system logs, error messages, and user reports to diagnose root causes of hardware, software, or network issues, and applying resolutions (e.g., fixing faulty hardware, reinstalling software, or making configuration changes).
- Supporting automation, monitoring enhancements, capacity management, resiliency, business continuity management, and front-office-specific support.
- Identifying and remediating or escalating potential service-impacting risks through the appropriate process.
- Proactively assessing support activities and implementing automations to maintain stability and drive efficiency.
- Actively tuning monitoring tools, thresholds, and alerts to detect issues early.
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Technical Skills & Experience Required
To excel in this role, you should have:
- Proven experience in:
- Working with IBM Mainframes and expertise in:
- TWS, JCL, CICS, IMS, MQ, DB2
- Managing batch and online applications
- Maintaining Mainframe infrastructure
- Working with IBM Mainframes and expertise in:
- Family-of-value skills (highly desirable):
- Confirmed understanding of Major Incident and ITIL processes
- Knowledge of Barclays applications
- Experience with z/Linux
Working Pattern
You will work 12-hour shifts following a split night/day rotation.
Working Location
Knutsford
Assessment & Development Opportunities
You may be assessed on:
- Key critical skills, including:
- Risk and controls management
- Change and transformation
- Business acumen and strategic thinking
- Digital and technology aspects
- Job-specific technical expertise
Analyst Expectations
As a Mainframe Service Operator, you will be expected to:
- Perform tasks to a high standard in a timely and consistent manner, driving continuous improvement.
- Demonstrate:
- In-depth technical knowledge in your assigned expertise area.
- A thorough understanding of underlying principles and concepts.
- Leadership (if applicable):
- Guide and supervise a team, fostering professional development.
- Allocate work and coordinate resources effectively.
- Lead by example through the LEAD behaviours:
- Listen and be authentic.
- Energise and inspire.
- Align across the enterprise.
- Develop others.
- Individual contributors:
- Develop expertise in your technical domain, advising others where appropriate.
- Impact cross-functional teams.
- Partner with other business functions.
- Accountability & Responsibility:
- Ensure end-to-end operational success of assigned teams.
- Escalate breaches in policies or procedures as required.
- Implement new policies and procedures for risk mitigation.
- Lead decision-making in your area of expertise.
- Take ownership of managing risk and strengthening controls in your functional area.
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Contribution to Barclays Culture
All colleagues are expected to embody our Barclays Values (Respect, Integrity, Service, Excellence, Stewardship) and our Barclays Mindset (Empower, Challenge, Drive), which guide our behaviours and operating standards.
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