Date Posted:2026-08-18 Country:United Kingdom Location:Gloucester, South Gloucestershire Position Role Type:OnsiteRaytheon UK has an excellent opportunity for a Principal Subcontracts Specialist to join our team in Gloucester or Manchester.This is an exciting opportunity for a SCM & Subcontracts specialist to drive execution and innovative commercial solutions across existing and new business requirements in Cyber & Intelligence and Space & ISR. Reporting directly to the Senior Manager, Contracts & Subcontracts, you will influence mission-critical outcomes while collaborating with cross-functional teams at the forefront of national security.Our teams here provide DevSecOps at scale, Artificial Intelligence, Machine Learning, cyber and geospatial intelligence capabilities to support the defence, intelligence and cyber sectors. Collaborating with customers and suppliers to deliver secure, mission critical systems using the latest technologies and innovations.Responsibilities: Manage Subcontractors / Suppliers with moderately sized contracts with autonomy and accountability for delivery, ensuring quality and consistency in execution and alignment with business objectives.Responsible for early subcontractor identification and engagement to support new business pursuits and provide risk and opportunity analysis for early captureParticipating in development of supplier Statements of Work (SOW)Management and negotiation of contracts, non-disclosure agreements and terms and conditions.Communicate effectively with internal teams and external stakeholders, including suppliers and customers, to align on policies, practices, and procedures.Manage all costs, quality, schedule, financial and technical performance requirements that are levied on the subcontractor or the product family and is required to ensure performance and support of the contract milestones of the system Works with suppliers and other stakeholders to achieve collaborative partnering and strategic relationship management to deliver value for the organisationApply advanced knowledge of subcontracting practices to evaluate challenges faced by the programme(s)/organisation and the supply chains, taking action to mitigate risks and develop opportunities, as well as solving complex problems across multiple work areas.Required Skills & Experience:Proven experience negotiating commercial and subcontract agreements in Defence or Cyber sectors.Degree in business or equivalent professional experience.Strong communicator with a proactive, adaptable mindset.Financial acumen with the ability to translate programme data into actionable insights.Track record of driving performance and solving complex problems.Skilled in managing supplier and subcontractor relationships.Desirable Skills & Experience:Focused on outcomes, delivery, and operational excellence.Exposure to international suppliers and collaborative delivery models.Knowledge of Teaming Agreements and strategic partnerships.Benefits and Work Culture37hr working week with early finish Fridays - start your weekend early!25 days holiday + statutory public holidays, plus opportunity to buy and sell up to 5 days and up to 5 paid days volunteering10.5% company pension contribution with 6% employee contributionAnnual company bonus scheme (discretionary)6 times salary Life Assurance with pensionFlexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work, amongst othersEnhanced sick payEnhanced family friendly policies including enhanced maternity, paternity & shared parental leaveSnacks and cold / hot drinks provided at Gloucester siteRaytheon UKWe take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence.Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development. We provide a collaborative environment, abundant opportunities for professional development, and a profound sense of purpose in what we do. Together, we are not just advancing technology; we're building a community committed to safeguarding a safer and more connected world.RTX Raytheon UK is a landed company and part of the wider RTX organisation. Headquartered in Arlington, Virginia, USA, but with over 180,000 employees globally across every continent, RTX provides advanced systems and services for commercial, military and government customers worldwide and comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon.Supporting over 35,000 jobs across 13 UK sites, RTX is helping to drive prosperity. Each year our work contributes over £2.7bn to the UK economy and offers a wealth of opportunities to 4,000 suppliers across England, Scotland, Wales and Northern Ireland. We’re investing in all corners of the country, supporting 29,040 jobs in England, 3,040 in Northern Ireland, 1,900 in Scotland and 1,600 in Wales.#LI-AS3 RTX adheres to the principles of equal employment. 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