Managing Consultant, Environmental Toxicologist and Ecological Risk Assessor

Lead the science that protects ecosystems and shapes sustainable business decisions.

At ERM , we help organizations navigate some of the world’s most complex environmental challenges. As a Managing Consultant, Environmental Toxicologist and Ecological Risk Assessor , you will serve as a technical leader delivering innovative ecological risk assessment and toxicology solutions that inform critical decisions for major oil and gas clients. Based in Houston, TX , with consideration for qualified candidates in Houston, TX, Baton Rouge, LA, New Orleans, LA, or Dallas, TX , this role offers the opportunity to lead high-impact projects, mentor technical professionals, and help protect Gulf Coast wetland ecosystems while advancing sustainable industry practices.

Why This Role Matters

ERM is shaping the future of environmental risk management by helping clients balance operational objectives with environmental stewardship. In this role, you will provide the scientific expertise needed to evaluate ecological impacts, address complex regulatory requirements, and develop risk-based solutions for challenging environmental issues. Your work will directly influence project outcomes, support regulatory compliance, and contribute to the protection of sensitive habitats and natural resources.

What Your Impact Is

As a trusted technical advisor, you will lead ecological risk assessments and toxicological evaluations that support strategic decision-making for clients in the oil and gas sector. You will apply scientific rigor, regulatory expertise, and analytical insight to solve complex environmental challenges while helping clients achieve their sustainability and business goals.

You will also play a key role in developing technical talent, strengthening client relationships, and delivering high-quality solutions that drive positive environmental outcomes across Gulf Coast ecosystems.

What You’ll Bring

Required

• 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.

Preferred

• Advanced degree (MS or higher) in a related discipline.
• Experience with ecological risk assessments and regulatory compliance in oil and gas sectors.
• Experience testifying as an expert witness.

Key Responsibilities

• Lead and support 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.

_ Who We Are: _
As the largest global pure play sustainability consultancy, we partner with the world’s leading organizations, creating innovative solutions to sustainability challenges and unlocking commercial opportunities that meet the needs of today while preserving opportunity for future generations.

At ERM we know that creating a diverse, equitable and inclusive work environment is an essential part of making our company a great place to build a career. We also see our diversity as a strength that helps us create better solutions for our clients. Our diverse team of world-class experts supports clients across the breadth of their organizations to operationalize sustainability, underpinned by our deep technical expertise in addressing their environmental, health, safety, risk and social issues. We call this capability our “boots to boardroom” approach for its comprehensive service model that allows ERM to develop strategic and technical solutions that advance objectives on the ground or at the executive level.

ERM is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender, sexual orientation, gender identity, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

Thank you for your interest in ERM!