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!

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 , or equivalent military 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 Medical Insurance

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.