1,462,498open jobs
88,979companies
225,193added this week
Browse all
Salary
≈ $131k – $265k per year (Estimated)
Location
In office (Freeport)
Seniority
Principal · 15+ years exp

Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Jul 31, 2026. SI Group scores B on the Alion truth index.

Overview
Company
Impact
Profile match
SI Group develops performance additives, process solutions, and chemical intermediates essential to enhancing the quality and performance everyday items.

The Role:

As the Principal Process Engineer, reporting to the Director - Process Engineering, you will drive process safety excellence, lead process optimization initiatives, develop innovative process designs for capital projects, and provide high-impact technical support to plant teams.

How You Will Make an Impact:

Drive Excellence in Process Safety

  • PHAs: Provide technical assistance with PHAs/LOPAs, CAPAs, specify SIF requirements
  • MOCs: Initiate and execute MOCs for process improvements and capital projects, as needed
  • Process Design: Develop Heat and Material Balances (HMBs), PSV calculation basis, capital project process design basis, process control functional specification narratives for new processes and collaborate with production to address gaps in current Process Safety Information (PSI)
  • Incident Investigation: Provide technical support as needed to ensure root causes are correctly identified

Create Value Through Innovation in Process Optimization

  • Identify, evaluate, and execute medium-term initiatives to drive improvements in yield, energy usage, capacity, and quality
  • Partner with cross-functional teams including production and maintenance to ensure solutions are sustainable
  • Leverage global process knowledge to ensure best practices are shared to drive improvements
  • Lead/support plant trials, as needed, for process improvements to mitigate business, quality, safety, and production risks and to document and trial data and results

Develop Innovative Designs

  • Develop process design basis for capital projects
  • Lead feasibility studies for potential new initiatives
  • Ensure technically sound detailed process engineering design is delivered to project team, including external engineering work
  • Participate in commissioning and startup teams, as needed

Own Technology of Plant Assets

  • Coordinate with process technology to ensure successful implementation of new products and process technologies
  • Lead/support plant trials, as needed, for new or improved products and new process technologies to mitigate business, quality, safety, and production risks and to document trial data and results
  • Develop big picture step change improvements of strategic plant assets
  • Develop strategic options for asset/product line footprints

Provide Technical Production Support

  • Provide technical assistance to plants for high impact issues and troubleshooting, as needed
  • Partner with process technology and other cross functional teams, to develop practical solutions to plant problems, as needed
  • Provide mentoring to production engineers

Creating Extraordinary Starts With:

  • Bachelor of Science Degree in Chemical Engineering
  • Minimum of 15 years of experience in chemical process and/or production engineering
  • Working knowledge of distributed control systems (DCS) and safety instrumented systems (SIS)
  • Working knowledge of standards such as API, ASME, NFPA, etc.

What We Value:

We strive for all employees to nurture physical, mental and emotional health both personally and professionally. Our commitment to health and wellness centers around prevention, early detection and embracing a healthy lifestyle. Some offerings may vary by role or region, but may include:

  • Physical Health benefits including competitive Medical, Dental, and Vision packages, company contribution to Health Savings Account, cash incentive for Annual Physical and reimbursement
  • Financial Wellness opportunities including company paid life insurance and disability plans, 401(k) Retirement Plan with generous company match, and certified Financial Planning & Investment services
  • Mental Health benefits including generous Paid Time Off and 10 Paid Holidays, Paid Parental Bonding Leave, and much more!
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,462,498 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Recommended for you based on this role

Industrial Engineering
Similar stack
Same company
Freeport
≈ $78k – $192k per year (Estimated) • In office • Full-Time • Seongnam
AI/ML
LLM
Apply
SUPERVISOR 3 days ago
≈ $44k – $108k per year (Estimated) • In office • 2+ years exp • Tizimín
Apply
SUPERVISOR 3 days ago
≈ $44k – $108k per year (Estimated) • In office • 2+ years exp • Tlalnepantla
Apply
质量工程师 1 hour ago
In office • Full-Time • Hangzhou
Apply
In office • Full-Time • Hangzhou
Design
AutoCAD
Apply
Senior Asset Engineer 11 days ago
≈ $95k – $180k per year (Estimated) • Equity • In office • Full-Time • 2+ years exp • Bachelor's Degree • Freeport
Apply
≈ $119k – $236k per year (Estimated) • In office • Full-Time • 10+ years exp • Bachelor's Degree • Freeport
Management
Microsoft Office
Apply
≈ $111k – $209k per year (Estimated) • In office • Freeport
Apply
≈ $40k – $70k per year (Estimated) • In office • 2+ years exp • Freeport
Apply
≈ $40k – $90k per year (Estimated) • In office • Freeport
Apply
See all jobs
This is one of many
1,462,498 more open roles from verified company boards, updated every day.