9 of 9 Mainframe Architect Jobs in the UK

Location: United Kingdom (West Midlands) Type: Permanent Role: Mainframe Architect Work Type & Location: Hybrid Role Type: Permanent up to £130k base + Bonus Start Date: Immediately We are partnered with a global IT services leader, delivering large-scale mission-critical technology modernisation projects across industries worldwide. This is … an exciting opportunity to work on transformative projects within a highly skilled and inclusive team. We are looking for a highly experienced Mainframe Architect to join a growing team in London. You will be the critical bridge between clients and delivery, providing technical leadership across complex, high-value … programmes, and helping drive the next generation of mainframe modernisation initiatives. As a Mainframe Architect, you will: • Lead the technical architecture of mainframe solutions from inception to delivery, ensuring alignment with client requirements and business goals. • Collaborate closely with clients, project executives, delivery teams, and vendors More ❯

Mainframe Architect London based Role Overview The Mainframe Architect plays a critical leadership role, bridging diverse stakeholders across clients, governance teams, project executives, delivery teams, and external vendors. From project inception through completion, the Mainframe Architect ensures the delivery of tailored, on-time, and … Influence, design, and deliver solutions that drive significant client impact. Engage in ongoing learning and certifications to maintain technical leadership in evolving cloud and mainframe environments. Required Skills and Experience 15+ years of experience with mainframe database technologies such as IBM DB2, IBM IMS Database, Cincom Supra, Software … both technical and non-technical audiences. In-depth knowledge of database performance tuning, capacity management, high availability options , and modernization strategies. Proficient with core mainframe subsystems and database query components including z/OS, JCL, JES, RACF/ACF2, CICS, COBOL, PL/1, SQL, and Natural . Preferred More ❯

A global leader in mission-critical IT infrastructure services is seeking an experienced and innovative Mainframe Architect. This organization specializes in designing, managing, and modernizing enterprise-grade technology environments across industries, helping clients transform legacy systems and accelerate cloud adoption. Position Overview The Mainframe Architect plays a … pivotal role in delivering end-to-end technical solutions for complex enterprise environments. Acting as the bridge between stakeholders and delivery teams, the architect guides the full project lifecycle—from strategic planning to technical execution—ensuring solutions are delivered on time, within budget, and aligned with client objectives. In … this role, the architect leads engagements with enterprise clients, gathering business requirements, defining solution architectures, and driving the modernization of mainframe systems. The position also involves mentoring teams, collaborating with multi-disciplinary experts, and managing integration with cloud platforms and modern technologies. Key Responsibilities Serve as the subject More ❯

A global leader in mission-critical IT infrastructure services is seeking an experienced and innovative Mainframe Architect. This organization specializes in designing, managing, and modernizing enterprise-grade technology environments across industries, helping clients transform legacy systems and accelerate cloud adoption. Position Overview The Mainframe Architect plays a … pivotal role in delivering end-to-end technical solutions for complex enterprise environments. Acting as the bridge between stakeholders and delivery teams, the architect guides the full project lifecycle—from strategic planning to technical execution—ensuring solutions are delivered on time, within budget, and aligned with client objectives. In … this role, the architect leads engagements with enterprise clients, gathering business requirements, defining solution architectures, and driving the modernization of mainframe systems. The position also involves mentoring teams, collaborating with multi-disciplinary experts, and managing integration with cloud platforms and modern technologies. Key Responsibilities Serve as the subject More ❯

Contract Mainframe Solution Architect UK-Based | Hybrid/Remote ⏳ 6-Month Contract (Outside IR35) Competitive Daily Rate We are seeking an experienced Mainframe Solution Architect for a contract opportunity with a leading organisation. This role is ideal for a generalist with broad expertise across z/… OS, CICS, DB2, IMS, and mainframe modernisation. You’ll be responsible for designing and optimising mainframe architectures, supporting cloud migrations, API integrations, and automation initiatives. Key Responsibilities: ✅ Design and implement scalable, secure, and high-performance mainframe solutions ✅ Define architecture roadmaps and ensure alignment with IT and business … strategies ✅ Lead mainframe modernisation, including cloud migration, API enablement, and DevOps adoption ✅ Optimise z/OS, CICS, COBOL, DB2, MQ, IMS, and related technologies ✅ Provide technical leadership in integration, automation, and performance tuning ✅ Collaborate with enterprise architects, engineers, and key stakeholders Required Skills & Experience: ✔ Proven experience as a Mainframe More ❯

Mainframe Technical Architect (Subject Matter Expert) Publication Date: Apr 9, 2025 Ref. No: 520018 Location: Remote Home, GB London, GB Who we are. We are a team of passionate experts with a clear ambition: applying digital technology to advance what matters for our clients and society. Together we … and backgrounds to make the right choices with our clients, for our company and for our own futures. Your Job in a Nutshell The Mainframe Technical Architect specializes in designing, optimizing, and maintaining mainframe environments, ensuring scalability, performance, and security, while providing high-level support for technical … Reporting: Document customer interactions and solution designs, and provide regular updates on pre-sales activities and feedback. Architecture Design: Develop scalable, reliable, and efficient mainframe architectures. Ensure seamless communication and data exchange between mainframe and other systems. Technology Stack Selection: Choose appropriate mainframe technologies and tools. Collaboration More ❯

Job Description A global leader in mission-critical IT infrastructure services is seeking an experienced and innovative Mainframe Architect. This organization specializes in designing, managing, and modernizing enterprise-grade technology environments across industries, helping clients transform legacy systems and accelerate cloud adoption. Position Overview The Mainframe Architect … a pivotal role in delivering end-to-end technical solutions for complex enterprise environments. Acting as the bridge between stakeholders and delivery teams, the architect guides the full project lifecycle—from strategic planning to technical execution—ensuring solutions are delivered on time, within budget, and aligned with client objectives. … In this role, the architect leads engagements with enterprise clients, gathering business requirements, defining solution architectures, and driving the modernization of mainframe systems. The position also involves mentoring teams, collaborating with multi-disciplinary experts, and managing integration with cloud platforms and modern technologies. Key Responsibilities Serve as the More ❯

the right choices with our clients, for our company and for our own futures. Who We Are We are an organization that manages the Mainframe systems of major companies in the UK, maintaining a high level of customer satisfaction. The operations team consists of both onshore and offshore members … working in an integrated and agile manner on a day-to-day basis. We are looking for a seasoned Mainframe Technical Architect who will play an important role as part of this successful team and take an active role leading the organization. Your Job in a Nutshell A … MT Architect specializes in designing, optimizing, and maintaining mainframe environments, ensuring scalability, performance, and security, while providing high-level support for technical issues. This position also focuses on designing comprehensive, end-to-end solutions across various technologies to meet specific business needs, integrating systems, and aligning with business More ❯

Who we are. We are a team of passionate experts with a clear ambition: applying digital technology to advance what matters for our clients and society. Together we create reliable and responsive digital foundations for the worlds businesses, institutions, and More ❯