HR & Talent Administrator

About Us

Greenjets is an innovative engineering company developing high-performance propulsion systems for the aviation market. Our work spans research and development, engine production, aircraft systems, technical integration and flight testing. We are committed to delivering high-grade engineering and best-in-class propulsion for unmanned aircraft. As we scale, we are strengthening our People Team to support rapid growth, capital efficiency, and operational excellence.

The HR & Talent Administrator will provide tactical and administrative support across the full People remit — working closely with the HR & Talent Manager and HR Partner to deliver day-to-day HR operations, recruitment coordination, systems upkeep, and employee lifecycle administration.

This is a junior role with significant development opportunities, offering exposure to ER support, HR infrastructure projects, performance frameworks, and end-to-end hiring in a fast-moving, high-growth environment.

• Provide day-to-day administrative support to the HR Partner across employee lifecycle processes.
• Maintain accurate employee records, contracts, and documentation.
• Support scheduling, tracking and follow-up for ER processes and people matters as needed (with appropriate confidentiality).
• Ensure People-related queries are triaged efficiently and handled with care.

• Support updates to HR policies, handbooks and internal documentation.
• Assist with version control, formatting and distribution of People materials.
• Help ensure all employee documentation is organised, accessible and audit-ready.

• Support the upkeep of HRIS and ATS systems, ensuring data accuracy and process consistency.
• Assist with HR infrastructure migration projects, including testing, documentation and adoption support.
• Generate reports and tracking documents for HR and Talent activities.

• Support the end-to-end recruitment process, including:
  • Job description creation and formatting
  • Posting roles and maintaining the ATS
  • Interview scheduling and candidate communication
  • Preparing offer documentation and contract generation
  • Coordinating pre-boarding and onboarding activities
• Ensure every candidate has a professional, high-touch experience throughout the hiring journey.

• Coordinate onboarding logistics, including documentation, system setup and welcome processes.
• Support the delivery of a smooth employee experience from offer acceptance through first weeks.
• Help maintain consistent onboarding materials and checklists across teams.

• Provide administrative and coordination support for major People programmes including:
  • Company-wide levelling framework rollout
  • 360 appraisal cycle delivery
  • Performance and progression processes
• Support the People team with tracking, scheduling, materials preparation and follow-through to ensure projects land successfully.

• Early experience in HR, Talent, People Ops or administrative roles (or strong transferable experience).
• High attention to detail and comfort managing multiple workflows simultaneously.
• Strong organisational skills and confidence working with systems, data and documentation.
• Excellent communication skills — you enjoy supporting others and keeping processes moving.
• Interest in developing a career in HR and Talent within a scaling organisation.
• A proactive mindset: you spot gaps, improve processes, and take ownership of follow-through.