Senior Business Analyst

ALTEN Group; Greater London; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Private Medical Insurance

Cycle & Tech Scheme

Employee assistance programme

Life insurance & Pension Scheme

Social atmosphere, team events

Job summary

ALTEN Group is seeking a Senior Business Analyst to join its London team, focusing on aviation and transportation sector projects. You will bridge business stakeholders and technical delivery teams, translating complex requirements into actionable solutions across multiple systems.

You will collaborate with Product Owners, Architects, Developers and Testers, owning the functional design through the project lifecycle and supporting UAT and defect management.

Qualifications

• Bachelor’s or Master’s degree in Engineering or equivalent military experience.
• Proven experience delivering BA activities on enterprise-scale projects.
• Experience working in Agile, Waterfall or hybrid delivery environments.
• Desirable: aviation/transportation knowledge and systems integration exposure.

Responsibilities

• Translate complex business requirements into detailed functional specifications, process flows, and data models.
• Design end-to-end functional solutions that meet business and operational needs.
• Collaborate with Product Owners, Architects, Developers, and Testers to ensure successful solution delivery.
• Own the functional design throughout the development lifecycle.
• Support User Acceptance Testing (UAT) and defect resolution activities.
• Analyse system behaviour and investigate functional issues across integrated environments.
• Work with API-based architectures and system integrations.
• Facilitate workshops, requirements gathering sessions, and stakeholder reviews.
• Ensure requirements traceability and alignment with business objectives.

Skills

Experience as BA in tech environments

Translate requirements to specs

Process mapping & data models

API integrations knowledge

Software delivery lifecycle

Stakeholder management

UAT support & defect management

Cross-team coordination

Education

Bachelor’s or Master’s in Engineering or equivalent military experience

Tools

Jira

Azure DevOps

Confluence

Job description

Senior Business Analyst

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Join us and start building tomorrow’s world today!

Senior Business Analyst

As a Senior Business Analyst, you will join our London team to support our activities within the aviation and transportation sector.

You will play a key role in bridging the gap between business stakeholders and technical delivery teams, ensuring complex business requirements are translated into clear, actionable solutions. Working across multiple systems and integrations, you will support the design and delivery of business-critical applications, collaborating closely with Product Owners, Architects, Developers, and Testers throughout the project lifecycle.

• Location: London
• On Site: 2 days on site
• Clearance: Clearable
• Experience Level: Senior (5+ years of experience)

Key Responsibilities

• Translate complex business requirements into detailed functional specifications, process flows, and data models
• Design end-to-end functional solutions that meet business and operational needs
• Collaborate with Product Owners, Architects, Developers, and Testers to ensure successful solution delivery
• Own the functional design throughout the development lifecycle
• Support User Acceptance Testing (UAT), including defect analysis and resolution activities
• Analyse system behaviour and investigate functional issues across integrated environments
• Work with API-based architectures and system integrations
• Support projects involving complex and legacy system landscapes
• Facilitate workshops, requirements gathering sessions, and stakeholder reviews
• Ensure requirements traceability and alignment with business objectives

Required Skills

• Strong experience as a Business Analyst within complex technology environments
• Ability to translate business requirements into detailed functional specifications
• Experience creating process maps, workflows, use cases, and data models
• Knowledge of API integrations and interconnected business systems
• Experience supporting software delivery across the full project lifecycle
• Strong stakeholder management and communication skills
• Experience supporting UAT and defect management activities
• Ability to work across multiple teams and manage competing priorities

Required Qualifications

• A Bachelor’s or Master’s degree in Engineering, orequivalentmilitary experience.
• Proven experience delivering business analysis activities on enterprise-scale projects
• Experience working within Agile, Waterfall, or hybrid delivery environments

Desirable Skills

• Experience working within aviation, transportation, logistics, or infrastructure sectors
• Knowledge of systems integration and enterprise architecture principles
• Experience working with legacy system transformation programmes
• Familiarity with requirements management tools such as JIRA, Azure DevOps, Confluence, or similar
• Understanding of SQL, data modelling, and reporting concepts

Why join us?

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.

At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.

Join a passionate team and help build tomorrow, today.

In short you get

• A personalised career path and a rewarding management style
• A huge diversity of engineering projects and industries
• Private MedicalInsurance
• Cycle& Tech Scheme
• Employee assistance programme
• Life insurance & Pension Scheme
• Social atmosphere, regular gatherings &team buildings
• Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes.

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know.

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.