WHO ARE WE?
Taranis is an innovative and fast-growing international company that operates as the investment and impact project development entities of an industrial Group that includes Perenco and Dixstone.
Our mission is to support the energy transition and sustainable development through three complementary divisions:
- Carbon Ventures – a venture capital fund investing in breakthrough technologies in the fields of plastic recycling and carbon capture and utilization
- Energy for Africa – a renewable energy project developer operating across the African continent
- Nature-Based Solutions – a project developer focused on nature conservation and the restoration of natural ecosystems
JOB DESCRIPTION
We are looking for an HR Assistant to support our HR team across France and UK mainly. Further geographical development may involve topics in further areas: Africa, Latin America. This role is ideal for a junior HR professional, who wants to develop strong operational HR skills in a fast‑growing and international environment.
ABOUT THE ROLE
As an HR Assistant based in London, you will contribute to a wide range of HR activities, including employee administration, recruitment coordination, compliance follow‑up, and support in the implementation of our new HRIS. You will work closely with the HR Manager and collaborate with multiple teams (Finance, IT, Operations).
Key Responsibilities
Employee Administration
- Maintain and update employee files and HR databases.
- Ensure accuracy of administrative intrants (contracts, amendments, job titles, personal details).
- Maintain administrative trackers: passport and visa validity, migration and medical checks renewal.
- Track employee plannings and ensure accurate reporting in HR systems.
Payroll
- Assist with the collection of payroll inputs and monthly payroll documentation.
- Payment of social charges and pension plan follow-up.
- Manage the full range of employee benefits four teams in France and in the UK.
- Contribute to the respect of the payroll monthly timeline.
Recruitment Support
- Publish job ads and conduct initial CV screening.
- Support onboarding logistics for new hires: documentation, IT request, induction steps,
HRIS / SIRH Implementation
- Assist with data preparation, data cleaning, and updates for the new HR system.
- Participate in testing phases and report issues.
- Help prepare user guides and internal communication for the rollout.
- Support employees and managers during the transition to the new tool.
HR Processes
- Support annual appraisal campaigns and training coordination.
- Support in implementation in HR projects.
- Prepare HR reports, trackers, and dashboards.
- Organise HR meetings and follow up on action items.
PROFILE
- Interest in HR operations and HRIS systems.
- Strong organisational and administrative skills.
- High attention to detail and ability to manage multiple tasks.
- Fluent in English and French.
- Comfortable with Excel and digital tools.
- Curious, proactive, and eager to learn.
- HR background and 2 years experience in Human Resources, including personnel administration, recruitment, payroll, and HRIS.
- Mindful of confidentiality.
- Team oriented.
WHY JOIN US?
Joining us means stepping into a dynamic, international environment where you’ll gain exposure to a wide range of HR topics across multiple countries. You’ll take on real responsibilities from day one, with the autonomy to make a meaningful impact.
Collaboration is at the heart of how we work, and you’ll be surrounded by a fast‑moving, supportive team. You will also play an active role in the deployment of a new HR tool, giving you the chance to contribute directly to a key transformation initiative.
It’s a place where you can continuously grow and strengthen your HR expertise, with plenty of opportunities to develop your skills and career.