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SI Group

Global performance additives and APIs supplier

Environmental Engineer

Full-TimeUpdated on 10/23/2026
No salary listed
Mid
Bachelor's
Freeport, TX, USA
In Person
Facilities OperationsEnvironmental Health & Safety

About the job

Requirements
  • A bachelor's degree in Engineering or Science is required.
  • A minimum of three years of experience in environmental compliance is required.
Responsibilities
  • Ensure EHS compliance and continuously improve EHS performance.
  • Perform sampling, inspections, analysis, reporting, and mitigation applications in the relevant areas of expertise, including water, air, and waste.
  • Work with regulatory bodies, consultants, and contractors to investigate contamination and implement corrective measures.
  • Manage permit compliance and renewal processes.
  • Submit accurate and timely monthly, quarterly, and annual regulatory reports.
  • Maintain accurate records for inspections, regulatory investigations, and compliance.
  • Review MOCs for environmental compliance or impacts.
  • Conduct site audits, inspections, and investigations with internal and external regulatory agencies for in-scope activities.
  • Conduct Environmental Hazard Analyses with Operations and Process Safety.
  • Manage groundwater processes, including recovery well operation, sampling, and groundwater reporting procedures.
  • Work with licensed contractors to ensure compliant waste removal.
  • Renew the site abatement license and submit accurate and timely abatement reports.
  • Monitor solid waste from dewatering operations to ensure permit compliance.
  • Track and report monthly key performance indicator metrics and prepare technical progress reports on active projects and initiatives.
  • Satisfy Corporate Quality Requirements and the ISO 9001 Quality Management System.
  • Practice Responsible Care 14001 through active participation in the Responsible Care Management System and adherence to its Guiding Principles.

About the company

S

SI Group

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Website

SI Group supplies specialty chemical products and solutions, focusing on performance additives, process solutions, active pharmaceutical ingredients (APIs), and chemical intermediates. Its offerings enhance quality, performance, and durability across industries such as pharmaceuticals, automotive, and consumer goods. How it works: the company develops tailored chemical formulations and process solutions for customers, leveraging advanced materials and safety/compliance practices. It operates globally with facilities in nine countries and serves customers in over 80 countries, collaborating closely to meet specific application needs. Differences from competitors: emphasis on customer-centric, safety-compliant solutions delivered through global production networks and a broad portfolio across multiple market segments. Goal: to help customers improve product performance while maintaining safety and environmental responsibility through reliable, compliant chemical solutions.

Company Size

1,001-5,000

Company Stage

N/A

Total Funding

N/A

Headquarters

The Woodlands, Texas

Founded

1999

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Simplify's Take

What believers are saying

  • December 2025 recapitalization cut debt $1.7 billion and added $150 million junior capital.
  • That deleveraging funds working capital and operational upgrades during 2026 expansion.
  • Chinaplas 2025 and the China Biphenol JV target electronics, automotive, and medical demand.

What critics are saying

  • Singapore alkylphenol closure hits in 2H 2025, shrinking Asia manufacturing and jobs.
  • Orangeburg cut 74 ibuprofen jobs in 2024, then another 5% in January 2026.
  • One facility shutdown or a failed China JV can erode customer trust quickly.

What makes SI Group unique

  • SI Group's Biphenol technology and Newport, Tennessee production anchor a hard-to-replicate supply base.
  • The June 2026 Shengnova JV extends SI Group's proprietary chemistry into China with Shengxiao.
  • Eighteen plants across three continents let SI Group serve 80-plus countries with local supply.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Disability Insurance
  • Health Savings Account/Flexible Spending Account
  • Unlimited Paid Time Off
  • Paid Holidays
  • 401(k) Retirement Plan
  • 401(k) Company Match

Growth & Insights and Company News

6 month growth

4%

1 year growth

-5%

2 year growth

-5%
Newswire
Oct 19th, 2026
SI Group announces CEO leadership transition.

SI Group announces CEO leadership transition. Oct 19, 2026, 14:13 ET Marcello Boldrini Named Chief Executive Officer; David Bradley Departs Following Successful Tenure THE WOODLANDS, Texas, Oct. 19, 2026 /CNW/ - SI Group, a leading global developer and manufacturer of performance additives, process solutions, and chemical intermediates, today announced the appointment of Marcello Boldrini as Chief Executive Officer, effective October 19, 2026. Boldrini succeeds David Bradley, who has served as President and Chief Executive Officer since 2019. "We are pleased to welcome Marcello Boldrini as SI Group's next CEO," said Daryl Roberts, member of the SI Group Board of Directors. "Marcello brings significant experience in the global specialty chemicals industry and a strong track record of leading growth, transformation and operational improvement. His experience and perspective will serve SI Group well as we continue to strengthen our performance, serve our customers and execute our priorities." Marcello Boldrini brings more than three decades of leadership experience in the specialty chemicals and materials industry, with a career spanning Europe, Asia and the Americas. Most recently, he served as Chief Executive Officer and a Director of Kraton Corporation, a Houston-based global specialty chemicals company. During his tenure at Kraton, Boldrini led growth and transformation initiatives, including the creation of a Transformation Office that generated more than $100 million in annual EBITDA improvements. Earlier in his career, he held senior leadership positions at Houghton International, Momentive/Hexion and Ashland. Boldrini resides in the Houston area and will be based at SI Group's headquarters in The Woodlands, Texas. "I am honored to join SI Group as CEO and look forward to working with our employees, customers and partners," said Marcello Boldrini. "My initial focus will be on listening and learning, spending time with our teams and customers, and collaborating with the leadership team to build on SI Group's strengths and set clear priorities for the business. Safe and reliable operations, disciplined execution and delivering value for our customers will remain at the center of our work." SI Group's leadership team will work closely with Boldrini to maintain a strong focus on safety, operational performance and customer commitments. "On behalf of the Board, I want to thank David Bradley for his leadership and many contributions to SI Group," said Shawn Abrams, member of SI Group's Board of Directors. "David led SI Group through significant change and some of the most challenging conditions our industry has faced. During his tenure, the company successfully completed its 2025 recapitalization, strengthening SI Group's financial position and providing greater flexibility for the future. We are grateful for David's commitment to SI Group and its people, and we wish him continued success." Customers, suppliers and other business partners should continue to work through their existing SI Group contacts. About SI Group SI Group is a global leader in performance additives, process solutions, and chemical intermediates. SI Group's chemistries are essential solutions that enhance the quality and performance of industrial and consumer goods in the plastics, rubber and adhesives, fuels, lubricants, coatings, and oilfield industries. Headquartered in The Woodlands, Texas, SI Group operates 18 manufacturing facilities across three continents and serves customers in more than 80 countries, supported by approximately 1,500 employees worldwide. Driven by a passion for safety, chemistry, sustainability, and delivering extraordinary results, SI Group innovates to create long-term value for a better future. Learn more at www.siigroup.com. SOURCE SI Group, Inc.

PR Newswire
Oct 19th, 2026
SI Group names ex-Kraton chief Marcello Boldrini CEO, succeeding David Bradley

SI Group has appointed Marcello Boldrini as chief executive officer, effective October 19, 2026. He succeeds David Bradley, who has led the company as president and chief executive officer since 2019. Boldrini has more than three decades of experience in specialty chemicals. He most recently led Kraton Corporation, where a Transformation Office he created generated more than $100 million in annual EBITDA improvements. He has also held senior roles at Houghton International, Momentive/Hexion, and Ashland. He will be based at SI Group's headquarters in The Woodlands, Texas. Board member Shawn Abrams credited Bradley with guiding the company through difficult industry conditions and completing its 2025 recapitalisation, which strengthened its financial position.

Fuels and Lubes
Jul 27th, 2026
SI Group promotes Robert Kaiser to strategic marketing SVP.

SI Group promotes Robert Kaiser to strategic marketing SVP. SI Group has promoted Robert Kaiser to senior vice president, strategic marketing, a role in which he will also join the company's executive leadership team. SI Group, a global developer and manufacturer of performance additives, process solutions and chemical intermediates, said Kaiser will lead market-focused growth initiatives while strengthening the alignment between customer needs and the company's long-term business strategy. Kaiser joined SI Group in 2014 and has since held leadership positions of increasing responsibility across strategic marketing and business development. The company said he has played a key role in shaping its portfolio and market strategy, and in driving cross-functional alignment on critical growth initiatives. Before joining SI Group, Kaiser held commercial leadership roles at AkzoNobel and Arizona Chemical, now part of Kraton Corporation. David Bradley, president and chief executive officer of SI Group, said Kaiser has consistently demonstrated exceptional strategic leadership and a deep understanding of the company's markets. "His ability to turn information into actionable insight has been instrumental in strengthening our commercial organisation and advancing our strategic priorities," Bradley said. "We look forward to the unique global perspective and market-centric lens he will bring to our Executive Leadership Team." Kaiser said he was honoured to join the executive leadership team at a time when customers are navigating an increasingly complex business environment. "I'm grateful for the opportunity to step into this role at a time when SI Group has the global footprint and strong foundation needed to create value for our customers and the markets we serve," Kaiser said. "I look forward to working with colleagues across SI Group to deepen customer relationships and continue advancing our commercial strategy." Kaiser holds a master of business administration (MBA) from Ruhr University Bochum in Germany. SI Group's chemistries are used in industrial and consumer goods across the plastics, rubber and adhesives, fuels, lubricants, coatings and oilfield industries. Headquartered in The Woodlands, Texas, U.S.A., the company operates 18 manufacturing facilities across three continents and serves customers in more than 80 countries, supported by approximately 1,500 employees worldwide.

PR Newswire
Jun 25th, 2026
SI Group and Shengxiao Group form joint venture to expand Biphenol capacity in China

SI Group and Shengxiao Group have formed a joint venture, Shengnova Advanced Materials, to expand Biphenol production capacity in China. The partnership combines Shengxiao's existing manufacturing facilities in Sichuan with SI Group's proprietary technology and global expertise. Biphenol is a key monomer used in liquid crystal polymers, polyphenylenesulfone and other high-performance materials for electronics, automotive and medical applications. The venture aims to enhance regional supply to meet rising demand across Asia Pacific whilst SI Group continues production at its Newport, Tennessee facility. Shengxiao Group, founded in 1987, is a leading supplier of LCP monomers and specialty chemicals. SI Group operates 18 manufacturing facilities globally and serves customers in over 80 countries.

PR Newswire
Dec 24th, 2025
SI Group cuts debt by $1.7B in recapitalisation, secures $150M investment for growth

SI Group, a global manufacturer of performance additives and chemical intermediates, has completed a comprehensive recapitalisation that reduces its net debt by approximately $1.7 billion, representing over 80% of its outstanding indebtedness. The transaction, supported by lenders and equity partners, includes amendments to the company's revolving credit facility to enhance financial flexibility. A new institutional ownership group has invested $150 million in junior capital, demonstrating confidence in SI Group's prospects. The Woodlands, Texas-based company will use the investment to fund working capital needs, operational initiatives and growth acceleration. President and CEO David Bradley said the recapitalisation strengthens the firm's financial foundation, enabling continued investment in growth and operational capabilities whilst supporting customers globally.