Job Title: Lead System Analyst Location: Mostly remote- 1 day per month in Manchester office- future possibility of 1 day per month in Birmingham/Coventry office Salary/Rate: £363 per day inside ir35 Start Date: 30/03/2026- 31/08/2026 Job Type: 6-month contract- may be extended We have an exciting new contract opportunity with one of the big players in the UK banking sector. We are looking for an experienced Lead System Analyst / Technical Business Analyst to support large-scale infrastructure and network integration programmes within a major banking environment. This role will lead the analysis and definition of technical requirements across infrastructure change initiatives, with a strong focus on network services, DNS/Infoblox migrations, and data centre/cloud transformation. The ideal candidate will have strong technical BA experience within infrastructure environments, including cloud migration and data centre projects. Job Responsibilities/Objectives Lead the analysis and documentation of infrastructure and network integration requirements for complex change initiatives. Capture and define technical requirements across network services, DNS, and infrastructure platform s. Support DNS / Infoblox migration activities and related network service transitions. Collaborate closely with architects, engineers, and technical SMEs to ensure accurate e nd-to-end system integration requirements. Produce clear system analysis artefacts and maintain traceability between business needs and technical solutions. Manage personal deliverables while ensuring alignment to programme timelines and milestones. Identify technical risks and dependencies and contribute to mitigation planning. Facilitate t echnical workshops and stakeholder discussions across infrastructure and project teams. Required Skills/Experience Strong experience as a Technical Business Analyst / System Analyst within i nfrastructure delivery projects. Demonstrated experience working on data centre migrations and cloud transformation initiatives. Solid understanding of network integration, including routing, switching, and connectivity concepts. Experience supporting DNS migrations and Infoblox (or similar network management platforms). Proven ability to produce clear technical documentation and analysis artefacts. Strong stakeholder engagement and workshop facilitation skills. Ability to work i ndependently within a highly technical environment. Good knowledge of Agile and/or Waterfall delivery methodologies. Desirable Skills/Experience Exposure to enterprise cloud environments such as Azure or AWS. Experience working with cloud platforms and infrastructure automation tooling. Relevant network or infrastructure certifications (e.g., CCNA, Infoblox). If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.