hypersonica-prod - People Operations Associate
Requirements
• A hands-on People or HR Associate with experience supporting UK employees in a start-up or fast-moving business. • Strong working knowledge of UK HR fundamentals, including contracts, right-to-work, employee records, probation, absence, policy administration, and basic employment-law considerations. • Highly organised, detail driven and practical. Able to manage multiple moving parts across onboarding, employee changes, probation reviews, benefits and manager requests without dropping detail. • Experienced using HR systems, ideally HiBob (e.g. SAP successfactors, or similar) and confident maintaining accurate people data. • Strong written communication skills. Able to work with senior leaders, managers, engineers, and new starters with confidence and professionalism. • Discreet, mature and trusted with confidential people matters. • Proactive by default. Comfortable operating in a high-performance environment where standards are high, pace is fast, and people decisions matter. • Experience in aerospace, defence, engineering, manufacturing, technology, or another high-consequence environment preferred. • Bachelors degree, or similar professional qualification in HR, Business or similar subject is preferred. • Motivated by building a people function that increases company velocity, protects standards and helps exceptional people do their best work. • What success looks like • New starters are onboarded cleanly, quickly and with no avoidable confusion. • HiBob and people records are accurate, complete and audit-ready. • Probation, performance, and people-process deadlines are tracked and followed through. • UK HR administration is compliant, fast, and reliable. • Due to the nature of the work with the UK MoD, applicants must be a British Citizen, or a dual national holding British citizenship, and eligible for UK Security Clearance and where required, Developed Vetting. • A mission-driven environment with the opportunity to work on one of Europe’s most consequential defence challenges, with direct impact on sovereign capability and security. • Daily collaboration with top experts across engineering, operations, defence, and business functions, with real opportunity to learn from the best, contribute, and grow. • High ownership and autonomy; no micromanagement, just clear objectives and accountability for outcomes. • A fast-paced environment where good ideas are implemented quickly and broken processes are fixed rather than tolerated. • A culture that values clarity, integrity, excellence, and direct feedback. • Competitive compensation and real share options aligned to responsibility and impact, not tenure or hierarchy. • At Hypersonica, every hire raises the bar. We are deliberately small, intensely capable, and deeply mission-driven. If this role feels like a strong fit, or if you believe you bring something exceptional that goes beyond the description, we encourage you to apply. • Hypersonica is an equal-opportunity employer and assesses candidates solely on merit, capability, and potential.
Responsibilities
• Support the Head of People and Performance across day-to-day people operations, employee administration, onboarding, documentation, performance processes, and people systems. • Own the operational execution of onboarding for new UK employees, ensuring every person joins with clear documentation, equipment coordination, system setup, employment checks, induction plans, and a high-quality first-week experience. • Maintain accurate employee records across HiBob and related systems (e.g SAP successfactors), ensuring data is clean, up to date, secure. • Support all UK HR administration and documentation across the employee lifecycle. • Ensure compliance across people processes with UK employment law, internal policies, security requirements and data protection. • Help coordinate performance processes including probation reviews, objective-setting, feedback, documentation, and follow-up actions. • Track people-related actions and deadlines with precision, making sure nothing important gets lost between hiring, onboarding, probation, performance, compensation, and employee changes. • Support the development and maintenance of clear, practical people policies, templates, workflows, and guidance that managers can actually use. • Act as a first point of contact for our employees in UK and answer questions on onboarding, benefits, policies, and practical people matters. • Partner with Talent, IT, Finance, Security, Facilities, and hiring managers to make sure employee transitions are smooth from offer acceptance through the employee lifecycle. • Support data reporting and dashboards for headcount, onboarding, probation, performance actions, absence, turnover, and people operations. • Proactively identify and improve broken or slow processes. • Support a high-performance culture and help build scalable people operations without importing corporate bureaucracy.
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