SIAM Relationship Manager

Job Title\: SIAM Relationship Manager

Location\: Preston; Lancashire. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role.

Grade\: GG12

You’re expected to have completed 12 months in role prior to applying for an advertised vacancy and you should also discuss the internal opportunity with your line manager to ensure sustained business continuity and to further support your career development.

We know there may be exceptional individual circumstances that impact this, in the first instance please discuss this with your line manager.

If you don’t feel you can talk to your line manager, you can contact your HRBP.

PLEASE NOTE\: Should you be invited for interview; you acknowledge that the Recruitment team will contact you and your line manager regarding your application for this opportunity.

This vacancy is open to permanent and fixed-term BAE Systems employees only.

While agency workers have access to relevant permanent opportunities, this role has been designated as an internal opportunity and therefore only permanent and fixed-term employees of BAE Systems are eligible to apply.

Job Description\:

As a SIAM Relationship Manager, you'll play a key role in BAE Systems transition to a hybrid multi-supplier Service Integration and Management (SIAM) model. Acting as the link between the business, Digital Products and Platforms, the Operational Integrator and service providers, you'll ensure business priorities are translated into clear service expectations and measurable outcomes. You'll provide oversight of service performance, drive stakeholder alignment, and support the resolution of cross-service risks and issues, helping to ensure services deliver value and meet business needs.

Core duties\:

• Act as the voice of the business, ensuring priorities are reflected in service expectations, governance and performance outcomes across the SIAM model
• Partner with Digital Product and Platform teams to translate business needs into Operational Level Agreements (OLAs) and measurable service outcomes
• Analyse service performance and user experience data to provide insights that support decision-making and service assurance
• Identify and manage cross-service issues, risks and dependencies, ensuring effective governance, escalation and resolution
• Drive alignment across services, suppliers and stakeholders to ensure delivery remains focused on business priorities and expected outcomes
• Use service insights and stakeholder feedback to identify improvement opportunities and influence supplier performance and accountability
• Support the adoption and continuous development of the SIAM operating model, promoting consistent governance, standards and ways of working

Essential Skills\:

• Proven experience in SIAM and Service Integration leadership roles within complex multi-supplier environments
• Knowledge of SIAM principles, ITIL practices, service management processes, governance frameworks and supplier integration models
• Experience establishing and evolving SIAM operating models, governance structures and service integration frameworks
• Ability to improve supplier performance, service accountability and continual service improvement, including the use of KPIs, SLAs, OLAs, XLAs and service metrics
• Effective stakeholder management, communication, negotiation and risk management skills, with experience leading governance forums and managing supplier relationships
• Experience using ServiceNow and supporting service transitions, supplier onboarding and offboarding, organisational change and cross-functional service delivery

The Team\:

You'll be part of the Digital Service Integrator capability within BAE Systems SIAM organisation. Working closely with strategic partners, Operational Integration, Service Assurance, Procurement and tower teams, the team supports the delivery of integrated services across a multi-supplier environment. Through effective governance, performance insight and stakeholder collaboration, it helps ensure services meet business needs and drive continual improvement.

Why BAE Systems?

Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make.

A place where everyone can thrive\:

We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do.

We welcome applications from all suitably qualified people, who are BAE Systems employees and have been in their current role for 12 months or longer.

Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.

Closing Date\: 22nd September 2026