Corporate Sustainability Consultant

Sigma Earth; Union, Northern (NJ, KY); Hybrid; USD 65,000 - 90,000; Full time

Job summary

Sigma Earth seeks a quantitative analyst to support consulting projects for external clients and internal stakeholders. You will develop clear, technically accurate deliverables and perform data-driven analyses to guide project work streams.

The role emphasizes sustainability, energy transition, and corporate environmental strategy, requiring strong Excel/PowerPoint skills and the ability to present findings professionally.

Qualifications

• Bachelor’s degree in a quantitative discipline such as economics, finance, engineering, science, or a related field.
• 1–3+ years of experience in quantitative analysis or analytical roles.
• Strong interest in sustainability, energy transition, and corporate environmental strategy.
• Excellent analytical and problem-solving capabilities.
• Strong proficiency in MS Excel, PowerPoint, and Word.
• Proactive, self-driven, and able to work independently when required.
• Strong client-facing skills with a professional and confident presentation style.
• Ability to take ownership of assigned tasks while collaborating effectively within a team.
• Excellent verbal and written communication skills.
• Willingness to travel as required (typically low, but may vary depending on project needs).
• Must meet any applicable US citizenship or employment eligibility requirements, including restrictions from previous employers where relevant.

Responsibilities

• Support consulting project teams for external clients and internal stakeholders, contributing to client management, solution delivery, and high-quality project outputs.
• Develop clear, insightful, and technically accurate deliverables that support key project workstreams.
• Collect and analyze data to identify gaps, trends, and performance baselines, and provide actionable recommendations based on best practices and industry benchmarks.
• Conduct technical, financial, and economic analyses, including data gathering, modelling, and use of analytical tools.
• Assess energy efficiency opportunities and evaluate renewable energy technologies.
• Apply sustainability analytics such as corporate GHG accounting, climate risk analysis, ESG disclosures, and emissions abatement modelling.
• Conduct structured research on sustainability, energy, and business topics, identifying emerging trends and market approaches.
• Support development of corporate sustainability strategies and broader business transformation initiatives.
• Assist in project management activities and contribute to targeted business development efforts.
• Communicate findings and recommendations through client-ready reports, presentations, and strategic insights.

Skills

Analytical mindset

Problem solving

Communication skills

Independent work

Presentation skills

Education

Bachelor’s degree in a quantitative discipline

Master’s degree in a relevant quantitative or analytical field

Tools

MS Excel

PowerPoint

Word

Job description

What You Will Do

• Support consulting project teams for both external clients and internal stakeholders, contributing to client management, solution delivery, and high-quality project outputs.
• Develop clear, insightful, and technically accurate deliverables that support key project workstreams.
• Collect and analyze data to identify gaps, trends, and performance baselines, and provide actionable recommendations based on best practices and industry benchmarks.
• Conduct technical, financial, and economic analyses, including data gathering, modelling, and use of analytical tools.
• Assess energy efficiency opportunities and evaluate renewable energy technologies.
• Apply sustainability analytics such as corporate GHG accounting, climate risk analysis, ESG disclosures, and emissions abatement modelling.
• Conduct structured research on sustainability, energy, and business topics, identifying emerging trends and market approaches.
• Support development of corporate sustainability strategies and broader business transformation initiatives.
• Assist in project management activities and contribute to targeted business development efforts.
• Communicate findings and recommendations through client-ready reports, presentations, and strategic insights.

What You Will Need

• Bachelor’s degree in a quantitative discipline such as economics, finance, engineering, science, or a related field.
• 1–3+ years of experience in quantitative analysis or analytical roles.
• Strong interest in sustainability, energy transition, and corporate environmental strategy.
• Excellent analytical and problem-solving capabilities.
• Strong proficiency in MS Excel, PowerPoint, and Word.
• Proactive, self-driven, and able to work independently when required.
• Strong client-facing skills with a professional and confident presentation style.
• Ability to take ownership of assigned tasks while collaborating effectively within a team.
• Excellent verbal and written communication skills.
• Willingness to travel as required (typically low, but may vary depending on project needs).
• Must meet any applicable US citizenship or employment eligibility requirements, including restrictions from previous employers where relevant.

What Would Be Nice to Have

• Master’s degree in a relevant quantitative or analytical field.
• Prior experience in corporate sustainability analysis.
• Experience working in management consulting environments or similar advisory roles