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ONEOK · Tulsa, OK +1 more

# Hydraulics Engineer III

Tulsa, OK +1 more Full-time $110,000.00 - $166,000.00 Operations 

Listed on ONEOK’s official careers site. Posted October 28, 2026. Check that it is still open and apply there.
[Apply on ONEOK’s careers site →](https://oneok.wd1.myworkdayjobs.com/ONEOK/job/Tulsa-OK/Hydraulics-Engineer-III_R9126-1)

[OpenNash Jobs](https://jobs.opennash.com/) / [ONEOK](https://jobs.opennash.com/companies/oneok/) / Hydraulics Engineer III

## Job description

#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 HRSolutions@ONEOK.com or call 1-855-663-6547​. Expected Salary Range $110,000.00 - $166,000.00

## At a glance
- Posted by the employer: Oct 28, 2026
- First seen by OpenNash: Nov 1, 2026
- Last checked: Nov 1, 2026
- Listed for: 4 days
- Location: Tulsa, OK +1 more
- Employment type: Full-time
- Pay: $110,000.00 - $166,000.00[Apply on ONEOK’s careers site →](https://oneok.wd1.myworkdayjobs.com/ONEOK/job/Tulsa-OK/Hydraulics-Engineer-III_R9126-1)

## Hiring at ONEOK
- Open jobs: 92
- New in the last 7 days: After two weekly collections
- Tracked since: Jul 10, 2026

[All ONEOK jobs](https://jobs.opennash.com/companies/oneok/) · [Weekly hiring report](/reports/hiring/)

## More jobs at ONEOK

### [Control Systems Specialist/Engineer](https://jobs.opennash.com/companies/oneok/jobs/e31de6e5090ad6edeff9/)

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### [Engineer II](https://jobs.opennash.com/companies/oneok/jobs/85cee81fbb47bbd0117f/)

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### [Engineer II](https://jobs.opennash.com/companies/oneok/jobs/9a42110c838c251998f7/)

Tulsa, OK

### [Engineer III](https://jobs.opennash.com/companies/oneok/jobs/dc6a930df1275d104f4f/)

### [Operator](https://jobs.opennash.com/companies/oneok/jobs/d2a43013f4bfedaa9402/)

Odessa, TX

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