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Salary
$114k – $172k per year
Location
In office (Tacoma)
Seniority
Senior · 5+ years exp
Visa
No sponsorship (stated in the posting)

Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Oct 28, 2026.

Overview
Company
Impact
Profile match
Par Pacific is an American energy and infrastructure company headquartered in Houston, Texas, that owns and operates oil refineries, logistics assets and fuel retail businesses in logistically complex markets. Listed on the New York Stock Exchange, it runs Par Hawaii, US Oil and Refining in Washington, Wyoming Refining Company and Par Montana, plus Hele and 76 stations in Hawaii and nomnom convenience stores in the Pacific Northwest, with operations in Texas, Hawaii, Montana, Wyoming, Washington and Idaho. It hires customer service associates and food service managers for its stores, refinery operator trainees and maintenance technicians.

Optimization Planning Engineer

The Opportunity

· Optimization Planning Engineer at a growth-oriented downstream energy company

· Competitive salary with a strong comprehensive benefits package

· Opportunity to work in a positive, collaborative, and inclusive work environment

· Career growth and development opportunities within a unique and growing energy company

· Reporting to the Planning and Economics Manager, you will be primarily tasked with creating refinery-wide operating plans that are safe, feasible, and economically optimized.

Key activities include:

· Serving as the primary interface between commercial group, logistics and refinery operations. Works closely with refinery operations, rail and marine schedulers, and product marketers to manage daily issues relating to tank movements, rail and marine movements, feedstock imports and product sales.

· Develops and optimizes the 90 day run plan and forecast spreadsheet, updates daily by working with crude rail schedulers, and product marketers to incorporate crude and feedstock receipts, sales plans/targets and refinery operating constraints.

· Shares weekly inventory projections with headquarters and risk group in Houston.

· Communicates crude run plan/actual/forecast and anticipated constraints to refinery leadership and commercial team during weekly Refinery Production Planning meetings.

· Performs daily refinery volumetric balance and generates production/consumption and refinery yield reports.

· Responsible for generating all refinery gasoline blends and managing gasoline and gasoline blend stock inventories. Works with operations and laboratory to manage gasoline quality and economically optimize blends.

· Runs Linear Program to evaluate near-term refinery operations and help build an economically optimized plan. Communicates plan to refinery and corporate. Develops 3 month plan for Tacoma refinery and headquarters leadership.

· Coordinates all refinery LP model changes and updates with the assistance of Haverly and/or outside consultant help as needed. Runs LP Model as needed to evaluate shifts in refinery economics.

· Occasionally update crude assays in HCAMS and/or HCOMET (shared responsibility).

· Responsible to run and maintain the LP results summary file (Excel using HCAMs / PIMS). This tool is used to generate the crude schedule and yields that form the basis for production, inventory and financial forecast for the Tacoma refinery.

· Performs economic analysis on production opportunities and helps monitor unit optimization.

· Periodically performs LP backcast analysis for refinery and reports results to leadership.

· Engages technical skills to improve spreadsheet tools that are used for economic analysis and blending. Creates new spreadsheet tools as needed.

· Job requires some “on call” support for gasoline blending issues, or other operational and logistical issues that may include nights/weekends/holidays. On call responsibilities are shared with Planning and Economics Manager.

· Other job duties are required and directed.

Note: This description is intended to give you a general overview of the position. Additional responsibilities and opportunities may be identified based on current business needs.

Qualifications

· To meet the basic qualifications for this role, you will have legal authorization to work permanently in the United States for any employer without requiring a visa transfer or visa sponsorship.

· Additional qualifications include:

· Bachelor’s degree in chemical or mechanical engineering preferred

· Minimum three years of oil refining/petrochemical experience in Process Engineering or Operations required

· Minimum five years of oil refining experience, especially in Planning and Economics, Operations, Lab, and Process Engineering preferred

· Experience running an LP (Haverly GRTMPS or PIMS) preferred

· Experience building and maintaining an LP (Haverly GRTMPS or PIMS) preferred

· Experience using Haverly HCAMS to process crude assays preferred

· Must also have computer skills including proficiency with Windows and Microsoft Office suite programs, especially Excel.

· This position requires organization and communication skills with the ability to handle multiple tasks while meeting deadlines and production requirements.

About Us

At Par Pacific, we own and operate market-leading energy and infrastructure businesses in logistically complex markets. We have built a team of downstream industry veterans and subject matter experts to lead our organization with an entrepreneurial spirit and a collaborative, problem solving approach. We bring our diverse strengths and motivation to complex markets where we seek out diamonds in the rough. As a nimble, growing organization, we actively pursue new opportunities with corporate financing know-how, respond to local market demands, and adapt to changing external environments.

More Good Reasons to Work for Par Pacific

Unique Culture and RICH Values

There is nothing ordinary about Par Pacific -- a niche player in the energy space. And there's certainly nothing ordinary about Par Pacific employees. We are driven, hardworking, entrepreneurial-minded professionals who love to win. Our RICH values describe how we approach our work: Respect for Others, Integrity, Collaborative Innovation, and Heart. If that describes you, you'll fit right in.

Location, Location, Location

Because Par Pacific operates in some of the most beautiful places throughout the country, our employees get to make these places their home and enrich their lives. The refinery is in the Tideflats of Tacoma, Washington nestled against Commencement Bay and the South Puget Sound with sweeping views of Mt. Rainier. Located between two of America’s trendiest cities: Portland and Seattle, Tacoma offers plenty of indoor and outdoor activities.

Opportunistic Growth Strategy

At Par Pacific, we look for operations with strong fundamentals and great employees who can move a business forward. Our management team has deep experience in the energy industry, as well as in leading mergers, acquisitions, and integrations of newly acquired companies.

Focused on the Future

We are an energy company that has recognized the imperative and embraced the opportunity to begin the transition from fossil fuels. We are developing products that help reduce greenhouse gas emissions.

Excellent Compensation and Benefits

In addition to a competitive salary, we offer a strong comprehensive benefits package that includes medical, dental and vision insurance, a robust allotment of paid time off, a 401(k) with company match, retirement savings plans, educational reimbursement, and more. Full-time employees (and their families) are offered medical (with prescription coverage), dental, vision, voluntary critical illness, accident, life/AD&D insurance, Flexible Spending Account and Employee Assistance Program. Employees can purchase company stock at discounted prices through the Employee Stock Purchase Program.

Hiring Range:

The hiring range for this position is $114,498 to $171,746, plus 15% discretionary bonus. The candidate selected will be placed according to his/her skills and qualifications.

Our Headquarters

Par Pacific Holdings, Inc., based in Houston, Texas, owns, manages and maintains interests in energy and infrastructure businesses. We are a growing energy company focused on renewable and conventional fuels in the Western United States. Par Pacific also owns 46% of Laramie Energy, LLC, a natural gas production company with operations and assets concentrated in Western Colorado. Our common stock is publicly traded on the NYSE under the trading symbol "PARR".

Our Refineries and Logistics Operations

We own and operate refineries in Hawaii, Montana, Washington, and Wyoming, with total operating throughput capacity of over 219 Mbpd. Par Pacific owns and operates one of the largest energy networks in Hawaii with 94,000 bpd of operating refining capacity, a logistics system supplying the major islands of the state and 90 retail locations. In the Pacific Northwest and the Rockies, Par Pacific owns and operates 125,000 bpd of combined refining capacity and related multimodal logistics systems.

Our Retail Operations

We own and operate over 90 retail locations in Hawaii under the Hele and 76 brands and over 30 retail locations in Washington and Idaho under the nomnom brand.

Par Pacific Is an Equal Opportunity Employer

Par Pacific prohibits discrimination and harassment of any type and affords equal employment opportunities to employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status, genetic information or any other status protected by applicable law.

Note: Par Pacific will not accept calls or unsolicited resumes from third-party recruiters. All candidates are required to apply through this web posting.

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