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Salary
$110k – $166k per year
Location
In office (Tulsa, Houston)
Seniority
Middle · 7+ years exp
Visa
H-1B filings in 12 months: 6
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Oct 28, 2026. ONEOK scores B on the Alion truth index.

Overview
Company
Impact
Profile match
ONEOK is a US midstream energy company headquartered in Tulsa, Oklahoma, that gathers, processes, fractionates, stores and transports natural gas, natural gas liquids, refined products and crude oil through pipelines and terminals. Founded in 1906 and listed on the New York Stock Exchange, it connects supply basins such as the Permian and Williston with market hubs including Mont Belvieu and the Texas and Louisiana Gulf Coast. It hires plant and pipeline operators, mechanics, instrumentation and electrical technicians, lab technicians, accountants, environmental professionals, systems analysts and interns.

#WeAreONEOK - Fortune 500 company. 100+ years in business. Leading midstream service provider. Safety first. Sustainable operations. Environmentally responsible. Employee focused.

JOB SUMMARY

Join our team as a Hydraulics Engineer and support the safe, reliable, and efficient operation of our natural gas pipeline assets. In this role, you will develop and maintain hydraulic models, analyze system capacity and performance, and collaborate with a cross-functional team including operations, scheduling, and engineering partners to inform operational decisions and support growth projects.

Job Profile Summary

As a Hydraulics Engineer III, you will lead hydraulic modeling and analysis tasks, develop and maintain system models, and provide detailed recommendations for improvements for ONEOK's Natural Gas Pipeline assets. You will provide engineering analysis to enhance existing assets and evaluate potential expansion projects.

Essential Functions and Responsibilities

  • Leads steady-state and/or transient hydraulic modeling for existing assets and potential expansion projects with minimal supervision.
  • Makes and implements recommendations for improvements related to system capacity, operating costs, and system operation.
  • Builds, maintains, and validates system models used for complex analysis.
  • Collects and analyzes data to identify significant business and pipeline optimization opportunities.
  • Recommends and implements new processes and ideas for enhancing the efficiency and accuracy of hydraulic modeling.
  • Creates daily pipeline operating plans and provides operational guidance to Operations Control, Commercial, and Scheduling teams.
  • Supports planning of field operations projects and activities including maintenance outage plans.
  • Engages with project teams through evaluation, implementation, and adoption to ensure expected value is achieved and retained.
  • Works with all levels of leadership to ensure alignment on current and future optimization strategies.
  • Reports on assigned projects through project management tools or other documents as required by management or the respective project.

Education

  • Bachelor's Degree in Engineering or closely related field or 5-10 years of applicable experience with natural gas pipeline systems and the following job-related experiences:

Work Experience

  • Experience and knowledge of engineering design and criteria for pipeline systems
  • Experience at this level is typically attained with a minimum of 7 years of experience in engineering and pipeline design/operation, preferably with a hydraulic focus.
  • Experience with hydraulic modeling software including or similar to SPS, Fathom, Synergi Gas, Emerson PipelineOptimizer, ProMax, VMG Sim, etc.
  • Experience and knowledge of compressor stations, and/or natural gas storage facilities preferred
  • Experience with BI/analytical tools such as PI, Spotfire, etc. preferred
  • Experience identifying, researching, understanding, evaluating, and prioritizing problems and coordinating appropriate action/response
  • Experience with and knowledge of pipeline hydraulics and operations.

Knowledge, Skills and Abilities

  • Knowledge of hydraulic modeling concepts, software, and tools.
  • Ability to: apply math, algebraic formulas, hydraulic equations, affinity laws, and statistical methods for detailed analysis
  • Knowledge of: pipeline operations and commercial functions with the ability to understand and analyze business impacts
  • Ability to: analyze and resolve complex issues and/or questions concerning engineering design and calculations
  • Ability to: read and interpret governmental regulations including DOT 195 and/or 192, contracts, manuals, specifications, surveys, charts, and other relevant reports and correspondence
  • Ability to: identify, plan and organize projects to completion, goals, and initiatives
  • Ability to: lead groups effectively
  • Ability to: manage and prioritize multiple assignments with competing deadlines
  • Ability to: use logic and reasoning to identify alternate solutions or approaches to a problem
  • Ability to: interact, collaborate with teams and communicate effectively
  • Ability to: operate office tools and equipment required
  • Ability to: communicate thoughts, ideas, information, messages, and other written information, which may contain technical material, in a logical, organized, and coherent manner

Licenses and Certifications

  • None required

Strength Factor Rating - Physical Demands/Requirements

  • Sedentary Work - Exerting up to 10 pounds of force occasionally (Occasionally: activity or condition exists up to 1/3 of the time) and/or a negligible amount of force frequently (Frequently: activity or condition exists from 1/3 to 2/3 of the time) to lift, carry, push, pull, or otherwise move objects, including the human body. Sedentary work involves sitting most of the time, but may involve walking or standing for brief periods of time. Jobs are sedentary if walking and standing are required only occasionally and all other sedentary criteria are met.

Strength Factor Description - Physical Demands/Requirements

  • Standing: Remaining on one's feet in an upright position at a work station without moving about (Occasionally)
  • Walking: Moving about on foot (Frequently)
  • Sitting: Remaining in a seated position (Constantly)
  • Lifting: Raising or lowering an object from one level to another (includes upward pulling) (Occasionally)
  • Carrying: Transporting an object, usually holding it in the hands or arms, or on the shoulder (Occasionally)
  • Pushing: Exerting force upon an object so that the object moves away from the force (Occasionally)
  • Pulling: Exerting force upon an object so that the object moves toward the force (includes jerking) (Occasionally)
  • Climbing: Ladders, Stairs (Occasionally)
  • Balancing: Maintaining body equilibrium to prevent falling (Occasionally)
  • Stooping: Bending the body downward and forward by bending the spine at the waist (Occasionally)
  • Kneeling: Bending the legs at the knees to come to rest on the knee or knees (Occasionally)
  • Crouching: Bending the body downward and forward by bending the legs and spine (Occasionally)
  • Crawling: Moving about on the hands and arms in any direction (Occasionally)
  • Reaching: Extending hands and arms in any direction (Constantly)
  • Handling: Seizing, holding, grasping, turning or otherwise working with the hand or hands (Manual Dexterity) (Constantly)
  • Fingering: Picking, pinching or otherwise working with the fingers primarily (Finger Dexterity) (Constantly)
  • Feeling: Perceiving such attributes of objects/materials as size, shape, temperature, texture, movement or pulsation by receptors in the skin, particularly those of the finger tips (Constantly)
  • Talking: Expressing or exchanging ideas/information by means of the spoken word (Frequently)
  • Hearing: Perceiving the nature of sound by the ear (Frequently)
  • Tasting/Smelling: (Occasionally)
  • Near Vision: Clarity of vision at 20 inches or less (Constantly)
  • Far Vision: Clarity of vision at 20 feet for more (Frequently)
  • Depth Perception: Three-dimensional vision; ability to judge distances and spatial relationships so as to see objects where and as they actually are (Frequently)
  • Vision: Color - The ability to identify and distinguish colors (Constantly)

Working Conditions/Environment

  • Employee is subject to inside environmental conditions

Working Conditions

  • Well lighted, climate controlled areas (Constantly)
  • Frequent repetitive motion (Constantly)
  • CRT (Computer Monitor(s)) (Constantly)

Travel

  • Travel to other company locations required

Driving

  • Based on assigned tasks, employee may be assigned a company vehicle requiring the applicable driver's license

ONEOK is an equal opportunity employer committed to diversity and inclusion. All qualified applicants will receive consideration for employment without regard to race, color, sex, pregnancy, sexual orientation, age, religion, creed, national origin, gender identity, disability, military/veteran status, genetic information or any other categories protected by applicable law.

The job description is not intended to be a complete list of all responsibilities, duties or skills required for the job and is subject to review and change at any time, with or without notice, in accordance with the needs of ONEOK.

ONEOK is committed to making our workplace accessible to individuals with disabilities and will provide reasonable accommodations, upon request, for individuals to participate in the application and hiring process. To request an accommodation email [email protected] or call 1-855-663-6547.

Expected Salary Range

$110,000.00 - $166,000.00
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