Salary: £63,000 - 103,000 per year Requirements: We are seeking a Principal Consultant in Systems Engineering. We are looking for someone with experience in consultancy and customer-facing delivery. We need strong capability in requirements management and modelling. We value candidates who can work effectively in a rapidly growing, client-focused environment. We are looking for someone with the ability to understand and meet customer requirements effectively. Responsibilities: We will expect you to deliver high-quality, end-to-end consultancy services. You will manage requirements and support modelling activities. You will work closely with customers to understand their needs and translate them into effective solutions. You will contribute to systems engineering consultancy delivery across client engagements. You will help us maintain our reputation for quality and responsiveness. Technologies: Support More: We are Sirius Analysis, a rapidly growing consultancy firm with a strong reputation for understanding and meeting customer requirements effectively. We deliver high-quality end-to-end consultancy services in systems engineering, including requirements management and modelling. This role is based in Portsmouth, and the salary starts from £60,000. last updated 20 week of 2026