Environmental Sustainability Engineer — Decarbonization Lead

Lonza; Vacaville (CA); On-site; Confidential; Full time

Benefits offered by this job

Performance-related bonus

Medical, dental and vision insurance

401(k) matching plan

Life insurance, plus short- and long‑t

Employee assistance programs

Paid Time Off

Job summary

Lonza is seeking a Sr. Environmental Sustainability Engineer to lead and execute the site sustainability roadmap at our Vacaville, CA facility.

You will drive GHG reduction strategies, energy optimization, water stewardship, and circular economy projects in partnership with Engineering, Facilities, Operations, EHS, and Corporate Sustainability. The role emphasizes strategic planning, cross-functional collaboration, and delivering measurable environmental performance improvements within a

Qualifications

• Degree in Engineering or Environmental Science with engineering experience.
• Strategic sustainability planning, roadmap development, and portfolio management.
• Experience with ESG reporting and sustainability initiatives.
• Technical understanding of energy systems, water, waste, and decarbonization.
• Ability to quantify environmental impact and ROI for opportunities.
• Strong business acumen and ability to influence senior leaders.
• Excellent collaboration and communication across functions.
• Analytical skills to set metrics, dashboards, and improvement plans.

Responsibilities

• Lead sustainability reporting, metrics, dashboards, and disclosure aligned with GRI and SDGs.
• Culminate site ESG priorities with broader company initiatives.
• Collaborate with global partners to align ESG strategies and governance.
• Demonstrate leadership of complex sustainability programs and measurable improvements.
• Drive decarbonization by developing GHG reduction strategies and business cases.
• Manage energy optimization, efficiency, electrification, and low-carbon tech projects.
• Oversee the sustainability project portfolio including capital planning.

Skills

Sustainability planning

Stakeholder influence

Data analytics

Dashboards

Cross-functional collaboration

Education

BS in Chemical Engineering/Environmental Engineering/Mechanical Engineering/Energy Engineering/Environmental Science

Tools

GRI reporting

Power BI

Tableau

Job description

Lonza is seeking a Sr. Environmental Sustainability Engineer to lead and execute the site sustainability roadmap at our Vacaville, CA facility.

You will drive GHG reduction strategies, energy optimization, water stewardship, and circular economy projects in partnership with Engineering, Facilities, Operations, EHS, and Corporate Sustainability. The role emphasizes strategic planning, cross-functional collaboration, and delivering measurable environmental performance improvements within a