ENG III Environmental HNO

Houston Plant•Houston, TX

7d•Onsite

About The Position

Provide internal technical support for routine air environmental compliance at the Houston (HNO) facility in partnership with the site environmental team. Perform monthly emissions calculations, maintain compliance tracking, and prepare regulatory reports. Own emissions factors and calculation methodologies and maintain audit-ready technical documentation. Analyze fenceline monitoring data, prepare fenceline KPIs, and support EPA Consent Decree reporting. Provide environmental support to the site’s operational teams. Rotate on-call support.

Requirements

Bachelor’s degree in Engineering (preferred) or Environmental Science
5–10 years of environmental compliance experience with air emissions calculations
Petrochemical or chemical manufacturing experience
Experience developing and maintaining emissions factors and calculation methodologies
Working knowledge of air compliance programs (e.g., TCEQ, NSR, Title V, 40 CFR 60, 40 CFR 63)
Advanced Excel skills
Strong attention to detail to manage recurring deliverables
All applicants must be eligible to work for any US employer continually without any company sponsorship.

Responsibilities

Perform monthly air emissions calculations using operational data, emission factors, and approved methodologies.
Develop and maintain emissions factors and calculation methodologies (validation, assumptions, data inputs).
Ensure emissions calculations are consistent and technically sound.
Maintain clear, audit-ready documentation for calculation methodologies and assumptions.
Prepare or support routine regulatory reports (e.g., emissions inventories, MECT/HECT, Title V, TRI, 40 CFR 60 Subpart Db, 40 CFR 63 Subpart EEEE (OLD), F/G/H (HON), FFFF (MON) reporting).
Track Title V deviations and maintain supporting documentation.
Submit accurate, complete deliverables on time.
Maintain documentation supporting regulatory submittments and internal compliance reviews.
Analyze fenceline monitoring data for compliance and potential emission concerns.
Prepare monthly fenceline KPIs and performance summaries.
Manage EPA Consent Decree fenceline monitoring, including public posting of investigation results.
Identify trends, anomalies, and recurring patterns in fenceline data.
Recommend targeted actions to reduce fenceline alerts and improve performance.
Collaborate with site teams to align interpretation and response strategies.
Standardize emissions calculation methodologies, emissions factors, and regulatory reporting processes.
Improve efficiency, data quality, and consistency in calculations, reporting workflows, and fenceline analysis.
Transition consultant-performed activities (e.g., emissions reporting, compliance tracking, fenceline analysis) to internal processes and systems.
Improve tools, templates, and data management for emissions calculations, reporting, and fenceline KPIs.
Strengthen internal documentation and technical resources.