Senior Environmental Toxicologist & Ecological Risk Lead

ERM; Baton Rouge (LA); On-site; USD 110,000 - 170,000; Full time

Job summary

ERM is seeking a Managing Consultant, Environmental Toxicologist and Ecological Risk Assessor to lead ecological risk assessments and toxicology projects for major oil and gas clients. Based in Houston, TX, with consideration for qualified candidates in Houston, Baton Rouge, New Orleans, or Dallas, TX, you will mentor staff and deliver scientifically rigorous, regulatory-compliant solutions.

In this technical leadership role, you will analyze large datasets, develop risk-based strategies, and

Qualifications

• Bachelor’s degree in toxicology, environmental toxicology, chemistry, public health, ecology, or related life sciences, or equivalent experience.
• 4-6 years (6–10 years preferred) of relevant experience; consulting experience preferred.
• Strong quantitative and analytical skills with proficiency in managing large datasets (MS Excel).
• Excellent written and verbal communication skills for technical reporting and client interaction.
• Ability to thrive in a fast-paced consulting environment, managing multiple priorities under strict deadlines.
• Driver’s License Required: This position requires a valid driver’s license and/or the ability to operate a company vehicle due to the nature of job duties, which include frequent travel to various client locations across a large geographical area.
• Commitment to safety and adherence to Health & Safety protocols.
• This position is not eligible for immigration sponsorship.

Responsibilities

• Lead ecological risk assessments and site investigations.
• Manage, query, and analyze large chemical and biological datasets.
• Manage, direct, and train junior environmental staff.
• Research toxicities and physical/chemical properties of oil and gas constituents and develop and implement site specific risk assessment methods.
• Conduct literature reviews on toxicological and biological topics.
• Develop work plans, figures, and technical reports with precision and clarity.
• Collaborate with project teams to ensure timely, high-quality deliverables.
• Maintain compliance with federal, state, and local regulations.
• Communicate effectively with clients, regulatory agencies, and subcontractors.

Skills

Quantitative analysis

Data management

Technical reporting

Client communication

Project prioritization

Education

Bachelor's degree in toxicology or related life sciences

MS or higher degree preferred

Tools

MS Excel

Job description

ERM is seeking a Managing Consultant, Environmental Toxicologist and Ecological Risk Assessor to lead ecological risk assessments and toxicology projects for major oil and gas clients. Based in Houston, TX, with consideration for qualified candidates in Houston, Baton Rouge, New Orleans, or Dallas, TX, you will mentor staff and deliver scientifically rigorous, regulatory-compliant solutions.

In this technical leadership role, you will analyze large datasets, develop risk-based strategies, and