Principal Solutions Architect

At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive.

Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all.

We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients and communities.

Work‑life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part‑time and flexible working hours, patterns and locations to suit you and our business.

As a Principal Solutions Architect, you will specialise in the design, development and governance of integrated digital project controls environments across major capital programmes. This is not a general IT solutions architecture role. It is a domain‑specialised architecture position focused on Programme Management, PMO systems, Project Controls processes and EPPM technology ecosystems. Working within the Digital and Data Solutions Group under the Programme Controls Technology capability, you will collaborate closely with project management, project controls teams, programme delivery leadership, enterprise architects and technology partners to define scalable, secure and integrated solutions for:

• Cost Management
• Schedule Management
• Risk, Change and Contingency
• Performance Reporting
• Data Governance and Integrated Analytics

You will act as a technical authority for project controls platforms, ensuring solutions align with enterprise architecture principles, programme delivery strategy and best practice controls methodologies.

We are have one vacancy based in Manchester and one vacancy based in London. These will be hybrid roles with travel to client sites needed.

• Define enterprise‑aligned solution architectures for programme controls platforms covering cost, schedule, risk, performance reporting and data governance.
• Lead evaluation, selection, design and configuration of programme controls systems such as Eco Sys, Oracle Primavera P6 and Unifier, Aconex, CDEs including SharePoint and Project Wise, and related digital delivery tools.
• Translate business, PMO and programme requirements into scalable, secure and maintainable solution designs aligned to enterprise architecture standards and major programme delivery strategies.
• Design and govern integration architectures across APIs, data pipelines, reporting tools and wider programme delivery systems to ensure seamless interoperability and consistency of controls data.
• Identify architectural risks, constraints and dependencies, develop mitigation strategies and ensure solutions meet performance, scalability, resilience and security requirements.
• Act as the technical authority for implementation teams, software vendors and delivery partners, ensuring solutions meet business, technical and quality specifications throughout the delivery lifecycle.
• Support digital transformation across PMO and project controls, including process harmonisation, standardisation, change adoption and optimisation of digital ways of working.
• Provide strategic architectural input across bidding, mobilisation and programme delivery phases, advising on technology roadmaps, solution options and implementation approaches.

• Strong experience designing and implementing Programme Management and Project Controls technology solutions, ideally within major capital programmes or complex delivery environments.
• Solid understanding of core project controls processes, including cost management, planning and scheduling, risk, change…