Ecotoxicology Regulatory Safety Specialist

ASCENZA Portugal; Lisboa; On-site; EUR 28,000 - 42,000; Full time

Job summary

Ascenza Agro in Lisboa is seeking an ecotoxicology risk assessor to prepare dossiers for registration and renewal of Active Substances and Plant Protection Products, ensuring compliance with EU PPP Regulation, REACH, OECD guidelines.

You will collaborate with Innovation, GLP Laboratories, R&D, and Product Safety, manage studies, document preparation, and meet deadlines, while maintaining high quality and proper data storage.

Qualifications

• Master degree in Environmental Sciences, Biology, Toxicology, Chemistry, or related field.
• Understanding of ecotoxicology principles and regulatory frameworks (EU PPP Regulation, REACH, OECD guidelines).
• Familiarity with risk assessment methodologies and modeling tools.
• Good written and verbal communication in English.

Responsibilities

• Prepare technical documents and dossiers according to legal and internal requirements and follow up until approval by regulatory authorities.
• Request, monitor, and evaluate laboratory, field, and semi-field studies and other work for document preparation.
• Ensure adherence to deadlines and comply with identified legal obligations.
• Guarantee high quality of work and proper storage of information and documentation.
• Collaborate with Product Safety, Regulatory, and R&D units and external entities as required.
• Identify issues and propose solutions; suggest training and growth opportunities.

Skills

Ecotoxicology

Regulatory frameworks

Risk assessment

Data analysis

English communication

Education

Master Degree in Environmental Sciences/Biology/Toxicology/Chemistry

Tools

OECD guidelines

Modeling tools

Job description

Date: Sep 30, 2026

Location:

Lisboa, PT

Company: Ascenza Agro

Ascenza is the crop Protection branch, a benchmark independent player in the off-patented South-European, Brazilian and Mexican markets, with a leading position in Iberia.

Mission:

Responsible for preparing ecotoxicological risk assessments for the registration and renewal of Active Substances and Plant Protection Products, in compliance with established regulatory requirements. This role involves close collaboration with internal units such as Innovation, GLP Laboratories, R&D, and Product Safety, as well as external entities.

Ensure timely delivery of all required documentation according to agreed deadlines with management.

Responsibilities:

• Technical Documentation: Prepare technical documents and dossiers according to legal and internal requirements, and follow up until approval by regulatory authorities;
• Study Management: Request, monitor, and evaluate laboratory, field, and semi-field studies, as well as other work necessary for document preparation, both internally and externally;
• Compliance & Deadlines: Ensure adherence to deadlines for assigned responsibilities and tasks, and comply with all identified legal obligations;
• Quality Assurance: Guarantee the highest possible quality of work and ensure proper storage and management of all information and documentation according to company procedures;
• Collaboration: Work closely with all units within the Product Safety, Regulatory, and R&D departments, as well as external entities, when required;
• Problem-Solving: Identify and propose solutions for issues arising during task execution;
• Continuous Improvement: Alert colleagues and supervisors in case of deviations and propose corrective actions. Suggest training initiatives and identify potential areas for growth to expand internal competencies aligned with company objectives

The talent we are looking for:

• Master Degree in Environmental Sciences, Biology, Toxicology, Chemistry, or related field;
• Technical Knowledge: Understanding of ecotoxicology principles and regulatory frameworks (EU PPP Regulation, REACH, OECD guidelines);
• Familiarity with risk assessment methodologies and modeling tools;
• Experience: Previous experience [ 1-2 years] or internship in ecotoxicology, regulatory affairs, or product safety is an advantage;
• Good written and verbal communication in English;
• Knowledge of biostatistics [desirable skill];
• Strong analytical and problem-solving.

What we have to offer:

• An excellent opportunity to collaborate with a constantly growing international company.
• Integration into a dynamic and challenging team.
• Remuneration and benefits according to experience.

Rovensa Group is an equal-opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws.

This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. Rovensa Group makes hiring decisions based on qualifications, merit, and business needs at the time.

Please note that, for equity compliance purposes, sometimes and depending on the jurisdiction, our Group follows specific criteria/ criterions related to hiring processes, when mandatory . Therefore, we are aware of our local duties, worldwide - feel free to consult your local laws and ask any questions to our HR representatives.