Senior Sustainability Reporting Lead - GRESB & ESG Strategy

Sigma Earth; United States; Hybrid; USD 90,000 - 140,000; Full time

Job summary

Sigma Earth seeks a senior sustainability consultant to lead complex reporting portfolios, guiding projects from concept to delivery across GHG accounting, ESG strategy, and decarbonization initiatives.

You will own client relationships, deliver high-quality work on tight timelines, coach junior staff, and collaborate across teams to ensure consistent, standards-driven outputs for multiple clients in a matrix organization.

Qualifications

• Bachelor’s degree in a relevant field.
• 5+ years in sustainability consulting or related field.
• Experience leading sustainability reporting projects and teams.
• Proven experience delivering GRESB Infrastructure responses.
• Strong analytical, presentation, and stakeholder communication skills.
• Ability to manage multiple projects independently and on schedule.

Responsibilities

• Lead sustainability reporting portfolios from concept to delivery.
• Deliver projects across GHG accounting, ESG strategy, climate risk, decarbonization, biodiversity.
• Own client relationships and provide trusted advisement.
• Manage challenges, develop solutions, and prepare proposals.
• Oversee timelines, budgets, staffing, and deliverables across assignments.
• Coach junior team members and support professional development.
• Review analyses to ensure quality and on-track delivery.
• Develop standards and documentation for consistency and reliability.
• Drive process innovations to create client value.
• Communicate complex topics to executives, including C-suite presentations.
• Handle high-pressure client requests with quality.
• Stay updated on frameworks like GRESB, CDP, EcoVadis, DJSI, and GHG Protocol.
• Collaborate across teams and geographies in a matrix organization.

Skills

Client relationship management

Project leadership

Data analysis

Stakeholder communication

Time management

Sustainability reporting

Education

Bachelor’s degree in a relevant field

Job description

Responsibilities

• Lead complex sustainability reporting portfolios and manage projects from initial concept through final delivery.
• Deliver projects and workstreams across broader sustainability areas such as GHG accounting, ESG strategy, climate risk, decarbonization, biodiversity, and related client needs.
• Own client relationships by acting as a trusted advisor, understanding client priorities, and delivering high-quality, client-ready work.
• Independently manage challenges, develop solutions, prepare proposals, conduct analyses, handle client communication, and deliver outputs with minimal supervision.
• Oversee project timelines, budgets, staffing, and deliverables across multiple assignments.
• Coach junior team members by guiding project work, offering clear feedback, and supporting professional development.
• Ensure quality and accountability by reviewing analyses, maintaining high delivery standards, and keeping projects on track.
• Develop and maintain technical standards, best practices, and documentation to ensure consistency and reliability across deliverables.
• Drive innovation by identifying new ways to improve reporting processes and create value for clients.
• Communicate complex sustainability topics clearly to executives and stakeholders, including preparing C-suite-level presentations.
• Manage high-pressure client requests with responsiveness, flexibility, and strong attention to quality.
• Stay updated on key sustainability frameworks and standards, including GRESB, CDP, EcoVadis, DJSI, and the GHG Protocol.
• Collaborate effectively across teams, functions, and geographies within a matrix organization.

Qualifications & Experience

• Bachelor’s degree in a relevant field.
• Minimum 5 years of experience in sustainability consulting or a closely related field, with a focus on voluntary sustainability reporting.
• Proven experience leading sustainability reporting projects and teams.
• Strong experience preparing GRESB Infrastructure responses, either in-house or as a consultant.
• Demonstrated ability to deliver work reliably, on time, and with clear communication.
• Strong analytical, presentation, and stakeholder communication skills.
• Ability to work independently, prioritize effectively, and manage multiple projects at once.

Preferred Qualifications

• Additional certifications in relevant sustainability or ESG disciplines.
• Experience working across multiple sectors.
• Extensive experience leading GRESB Real Estate responses, either in-house or as a consultant.
• Familiarity with other reporting frameworks and protocols, including CDP, EcoVadis, DJSI, and the GHG Protocol