Senior Business Analyst

At Antares, our success starts with our people. We’re a collaborative and an inclusive organisation where every voice is valued, and every individual can grow and thrive. We combine deep expertise with a supportive culture to deliver outstanding results for our clients and a fulfilling experience for our colleagues. Whatever stage of your career you'll find a place to belong, contribute, develop and we’d love to hear from you. Knowledge and Qualifications • Demonstrable experience within the London Market insurance industry or a comparable regulated financial services environment. • Strong knowledge of business analysis methods, requirements gathering, process modelling, data analysis, operating-model design and benefits realisation. • Experience defining and leading proportionate business analysis approaches across complex projects and change initiatives. • Sound understanding of Agile, waterfall and hybrid delivery methods, the software development lifecycle and change delivery practices. • Experience using Azure DevOps or comparable requirements and delivery-management tools. • BCS Business Analysis qualifications, or an equivalent professional accreditation, are desirable. • Skills and Demonstrated Experience • Analysis leadership : Defines, tailors and leads the analysis approach for initiatives of varying scale, risk and complexity. • Problem definition and options analysis : Investigates root causes, frames business problems and evaluates options using evidence, costs, benefits, risks, dependencies and operational impacts. • Requirements management : Elicits, analyses, prioritises, validates, baselines and traces functional, non-functional, data and regulatory requirements through design, delivery and testing. • Process and operating-model analysis : Assesses impacts across people, process, technology, data, controls, governance and third parties, and designs clear current- and future-state models. • Stakeholder leadership : Builds trusted relationships at all levels, facilitates complex discussions, constructively challenges assumptions and resolves conflicting priorities. • Delivery collaboration : Works effectively with project, change, architecture, data, technology, operations, risk, compliance and supplier teams. • Testing and implementation : Defines acceptance criteria and supports test planning, business acceptance, implementation readiness and post-implementation evaluation. • Quality and capability: Provides peer review, coaching and practical guidance, and improves analysis standards, templates and reusable assets. Role Summary: The Senior Business Analyst leads business analysis across complex change projects and initiatives, from initial problem definition and option assessment through to implementation and benefits evaluation. The role works with senior business, technology and delivery stakeholders to define outcomes, shape scope, govern requirements, assess business and operational impacts, and ensure that proposed solutions align with organisational strategy, regulatory obligations and agreed business objectives. The role provides constructive challenge, quality assurance, coaching and practical leadership to improve the consistency and effectiveness of business analysis across the change portfolio. Key Accountabilities Key Performance Indicators • Analysis leadership: Define, tailor and lead the business analysis approach for assigned projects and change initiatives, ensuring activity is proportionate to scale, risk and complexity. • Analysis approach agreed at project initiation and maintained throughout delivery. • Deliverables meet agreed quality standards with limited material rework. • Problem definition and strategic alignment : Lead the investigation of business problems, opportunities and root causes; define desired outcomes and ensure alignment with organisational strategy, target operating models and regulatory obligations. • Problem statements, outcomes, scope, assumptions and constraints are clear and evidence based. • Misalignment or unresolved ambiguity is identified and escalated early. • Options and business cases: Develop and assess solution options, including costs, benefits, risks, dependencies, controls and operational impacts, and support robust business cases and decision papers. • Options are assessed objectively against agreed business, operational, technical and commercial criteria. • Business cases contain clear evidence, assumptions, benefits and success measures. • Requirements governance: Elicit, analyse, document, prioritise, validate and manage business, functional, non-functional, data and regulatory requirements, maintaining baselines, approvals, traceability and change control. • Requirements are approved, prioritised, version-controlled and traceable to objectives, designs and test outcomes. • Requirements are sufficiently clear to support estimation, solution design and testing. • Process, data and operating-model analysis : Document current and future states, undertake gap and root-cause analysis, and assess impacts across people, process, technology, data, controls, governance and third-party arrangements. • Models and impact assessments are accurate, complete and agreed by accountable owners. • Data ownership, quality, reporting and control requirements are explicitly defined. • Stakeholder leadership: Build trusted relationships, facilitate complex discussions, present findings clearly, constructively challenge assumptions and resolve conflicting requirements or priorities. • Decisions, ownership and outstanding points are clearly recorded and progressed. • Stakeholder feedback demonstrates effective engagement and appropriate challenge. • Delivery, testing and acceptance: Work with project, change, technology, architecture, data, operations and supplier teams; define acceptance criteria and support testing, defect triage, business acceptance and implementation. • Acceptance criteria and test