Senior z/OS Mainframe Infrastructure Specialist

Lloyds Banking Group; Manchester; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Pension contribution up to 15%

Annual performance-related bonus

Share schemes including free shares

Discounted shopping

30 days' holiday with bank holidays on

Wellbeing initiatives

Generous parental leave policies

Job summary

Lloyds Banking Group is seeking a Senior Infrastructure Specialist in a hybrid role with offices in Manchester or Edinburgh. You will lead IMS and Datacom services within the zMainframe estate, ensuring reliability, performance and security across critical database and transaction processing environments.

The role involves shaping strategy, supporting major infrastructure projects, and driving continuous improvement through collaboration with cross-functional teams.

Qualifications

• Extensive background as an IMS Systems Programmer in a z/OS Mainframe setting.
• Experience installing, configuring, supporting, and maintaining IMS and Datacom products.
• Experience supporting large-scale, business-critical production environments.
• Strong diagnostic and problem-solving skills with experience managing complex technical incidents.
• Knowledge of mainframe operational practices, change management and service management processes.
• Experience working within highly regulated or enterprise-scale environments.
• Effective communication and collaborator management skills, with the ability to collaborate across technical and non-technical teams.
• A proactive approach and passion for delivering resilient, high-quality infrastructure services.

Responsibilities

• Delivering technical direction and expert insight for IMS and Datacom technologies within the zMainframe environment.
• Crafting, implementing, maintaining and improving infrastructure services in line with Group standards, policies and architectural principles.
• Ensuring systems remain secure, available, resilient and performant, meeting agreed service levels and operational objectives.
• Supporting infrastructure projects, platform upgrades and technology refresh activities from planning through to implementation.
• Investigating and resolving complex incidents and problems, identifying root causes and implementing long-term solutions.
• Participating in an on-call rota and providing out-of-hours support when required.
• Collaborating with infrastructure, engineering, architecture and application teams to deliver reliable and scalable services.
• Finding opportunities for automation, optimisation and continuous improvement across the platform estate.
• Contributing to technical documentation, standards, knowledge sharing and mentoring activities.

Skills

IMS Systems Programmer

Mainframe

Incident management

Cross-team collaboration

Problem solving

Tools

z/OS

Datacom

Automation scripting

Job description

Lloyds Banking Group is seeking a Senior Infrastructure Specialist in a hybrid role with offices in Manchester or Edinburgh. You will lead IMS and Datacom services within the zMainframe estate, ensuring reliability, performance and security across critical database and transaction processing environments.

The role involves shaping strategy, supporting major infrastructure projects, and driving continuous improvement through collaboration with cross-functional teams.