ISO Sustainability Lead - Construction & Compliance

Stepnell; Southampton; On-site; GBP 60,000 - 90,000; Full time

Job summary

Stepnell is seeking an ambitious Sustainability Manager to join on a 12-month fixed-term contract starting in December 2026. The role will lead ISO 14001/50001 systems, data collection, and regulatory compliance across projects to drive continuous improvement.

You will coordinate audits, SECR reporting, WLCA studies, and engage with site teams and stakeholders to deliver measurable value across our construction portfolio.

Qualifications

• Experience managing sustainability strategy and compliance in construction or built environment.
• Proven carbon accounting experience and ISO system knowledge (ISO 14001/50001).
• ISEP membership is preferred.

Responsibilities

• Oversee ISO 14001 and ISO 50001 systems, ensuring documentation and updates.
• Lead preparation for audits and certifications including ISO 14001/50001 and other verifications.
• Manage SECR reporting and CRP updates for public sector frameworks.
• Drive Whole Life Carbon assessments across regional projects (WLCA).
• Support bids, proposals, and site teams with sustainability inputs.
• Lead internal sustainability forums and training.

Skills

Sustainability strategy

Environmental compliance

Corporate carbon accounting

Leadership & communication

Education

Bachelor's degree in Sustainability or Environmental Management

ISEP membership (preferred)

Tools

SmartWaste

Job description

Stepnell is seeking an ambitious Sustainability Manager to join on a 12-month fixed-term contract starting in December 2026. The role will lead ISO 14001/50001 systems, data collection, and regulatory compliance across projects to drive continuous improvement.

You will coordinate audits, SECR reporting, WLCA studies, and engage with site teams and stakeholders to deliver measurable value across our construction portfolio.