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INEOS

Site Manager, Capital Projects - PSO

Ineos O&P, Liverpool, TX 77577

Full-time · $162k–$200k (as posted)

First seen by offpeak October 7, 2026

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Company:

INEOS Olefins & Polymers USA

Interested in joining a winning team? A team whose employees are empowered to make a difference?

Job title: Capital Projects Site Manager


Job Grade: H37


Offer Range: $162,000-200,000 (commensurate with experience)


Location: Alvin, TX (Hybrid)


INEOS has grown to become a leading chemical company, with sales today of around $68 billion annually.  INEOS is a global company with 26,000 employees on 180 sites in 30 countries.


The Olefins & Polymers USA (O&P USA) Business within INEOS includes the product lines Ethylene, Propylene, Butadiene, Polypropylene (PP) and Polyethylene (PE).  Our 4 Manufacturing sites encompass Chocolate Bayou Works (Alvin, TX), Battleground Manufacturing Complex (LaPorte, TX), and Carson (Carson, CA), and the Pipeline Supply Organization (PSO). The PSO department of the business operates the Stratton Ridge (SR) salt dome storage facility and 450 miles of pipelines in the South Houston region. The Stratton Ridge salt dome storage facility stores various feedstocks and products and is integrated with the pipelines systems for transport and distribution. Overall, O&P USA has approximately 1,300 employees, 1,400 contractors, and annual revenue of $6.5 billion.


How the job fits in

The purpose of this position is to lead standardized project and construction management throughout the project lifecycle for capital projects executed at an assigned O&P site. This role directs the progression of the site capital project portfolio through the O&P stage-gate process and ensures consistent application of company standards, project controls, and execution practices. Through strong process discipline, coordination, and site leadership, the role improves predictability in project performance and drives project delivery from early FEL through handover to operations and final project closeout, escalating significant issues to the Project Execution Manager as appropriate.


The role operates within a single O&P USA manufacturing site and leads execution of the site capital investment portfolio. This position ensures delivery of the site capital portfolio in alignment with approved plans, company standards, and local operational priorities.


Job Accountabilities f the job: describe the main results expected from the job.


Lead execution of capital projects at the assigned site in compliance with relevant business standards, processes, and project-specific expectations, including Project Execution Plans. This includes directing project implementation by internal teams and external contractors and escalating major execution risks or gaps to the Project Execution Manager as appropriate.


Lead site requests for project sanctioning and DSP (Decision Support Package) development in alignment with the approved capital plan. This includes coordinating technical inputs, risk assessments, stakeholder reviews, and execution planning for site projects.


Lead project execution and budget alignment through disciplined change management while keeping site stakeholders informed on schedule, costs, key decisions, and progress.


Lead and develop the site project management and construction coordination resources needed to deliver projects successfully. This includes team leadership, training, performance feedback, and reinforcement of SHE expectations and continuous improvement practices.


Ensure implementation and effective use of project management policies, systems, procedures, and standards at the assigned site, and maintain compliance with regulatory, industry, and INEOS Group requirements.


Develop and maintain internal and external working relationships that enable successful delivery of site capital projects. Lead coordination with engineering and construction firms and site stakeholders to drive performance and resolve issues.

Most important activities:


Lead site-level functional performance reviews and audits related to project management and construction activities on capital projects. This includes coordinating the audit process, gathering relevant information, implementing corrective and preventive actions, and reinforcing alignment with O&P USA and INEOS Group standards (IGGN).


Required Knowledge and Skills


Technical skills

Behavioral skills

Our culture is one of honesty and integrity with an emphasis on safety, health and environmental performance.  On our team, people are acknowledged for embracing new practices that help create real value for customers.