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Gulf Interstate Engineering Jobs (NOW HIRING)

PAYROLL CLERK I

Houston, TX · On-site

$18.25 - $23.75/hr

Description: Gulf Companies has served the global energy industry since 1953 by supporting the ... Our worldwide experience and multi-disciplined capabilities encompass all aspects of Engineering ...

Houston, TX Gulf Companies has served the global energy industry since 1953 by supporting the ... Essential Functions · Lead GIS efforts associated with engineering FEED and detailed design ...

Houston Gulf Companies has served the global energy industry since 1953 by supporting the complete ... Our world wide experience and multi-disciplined capabilities encompass all aspects of Engineering ...

SENIOR ELECTRICAL ENGINEER

Houston, TX · On-site

$102K - $133K/yr

Houston, TX Gulf Companies has served the global energy industry since 1953 by supporting the ... ELECTRICAL ENGINEERING DEPARTMENT DEPARTMENT FUNCTIONS Electrical Engineering is a highly ...

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Gulf Interstate Engineering information

See salary details

$46.5K

$146.9K

$174K

How much do gulf interstate engineering jobs pay per year?

As of Jun 8, 2026, the average yearly pay for gulf interstate engineering in the United States is $146,868.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,500.00 and $173,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the Gulf Interstate Engineering position, and why are they important?

To thrive at Gulf Interstate Engineering, you need a strong background in pipeline engineering, project management, and energy infrastructure, typically supported by an engineering degree and relevant licensure such as a Professional Engineer (PE) certification. Familiarity with CAD software, GIS systems, and industry-standard pipeline design tools is crucial. Outstanding collaboration, problem-solving abilities, and clear communication help you excel within multidisciplinary teams and in client interactions. These skills ensure that complex pipeline projects are delivered safely, efficiently, and to client specifications in a highly regulated industry.

What is a Gulf Interstate Engineering job?

A Gulf Interstate Engineering job typically involves engineering, project management, and construction management services for the oil and gas pipeline industry. Employees may work on designing, constructing, and maintaining pipeline systems for energy transportation. Roles can include civil, mechanical, and electrical engineering, as well as project coordination and inspection. The company focuses on pipeline infrastructure, ensuring safety, efficiency, and regulatory compliance. Positions may be available for both office-based and field assignments.

What are some typical projects and responsibilities for engineers working at Gulf Interstate Engineering?

At Gulf Interstate Engineering, engineers often work on feasibility studies, design, and execution of pipeline systems for oil, gas, and energy projects. Daily responsibilities may include developing project plans, conducting technical analysis, preparing design drawings, and coordinating with clients, contractors, and regulatory agencies. Team members frequently collaborate across departments—such as environmental, civil, and construction management—to ensure all aspects of the project align with safety and quality standards. This dynamic and collaborative environment provides opportunities to gain expertise in large-scale infrastructure projects and develop leadership skills for career advancement.

What cities are hiring for Gulf Interstate Engineering jobs? Cities with the most Gulf Interstate Engineering job openings:
What are the most commonly searched types of Gulf Interstate Engineering jobs? The most popular types of Gulf Interstate Engineering jobs are:
What states have the most Gulf Interstate Engineering jobs? States with the most job openings for Gulf Interstate Engineering jobs include:
Infographic showing various Gulf Interstate Engineering job openings in the United States as of May 2026, with employment types broken down into 100% Full Time. Highlights an 80% In-person, and 20% Hybrid job distribution, with an average salary of $146,868 per year, or $70.6 per hour.

PRINCIPAL MECHANICAL ENGINEER (PE REQUIRED)

Gulf Interstate

Houston, TX • On-site

Full-time

Posted 7 days ago


Job description

Description:

Position Title: Principal Mechanical Engineer

Location: Houston, TX


Gulf Companies has served the global energy industry since 1953 by supporting the complete project lifecycle and developing valued business partnerships to ensure the success of the project. Our worldwide experience and multi-disciplined capabilities encompass all aspects of the Engineering, Procurement, Construction Management, Field Inspection, GIS Integrity, Staffing Services and more.


Position Description

The Principal Mechanical Engineer is knowledgeable in multiple pipeline facilities and is qualified to handle large projects. Works independently. He/she has a wide latitude of technical authority with full work responsibilities as well as limited administrative responsibilities within each project. He/she is the primary producer of mechanical deliverables for the project scope, but on some projects may also need to assign, guide, and review the work of lower-level engineers and designers. Work is periodically reviewed by the Chief Mechanical Engineer for accomplishment of objectives.


Essential Functions

  • Prepares, reviews, or approves mechanical engineering calculations.
  • Prepares, reviews, or approves mechanical specifications and data sheets.
  • Prepares, reviews, or approves material requisitions for equipment, materials, and subcontracts.
  • Prepares, reviews, or approves technical bid evaluations for equipment and materials in cooperation with Procurement Department.
  • Prepares, reviews, or approves lists (equipment, valve, piping, tie-in, and specialty items).
  • Coordinates, reviews, or approves PFDs, P&IDs, piping plans, and site layouts.
  • Coordinates with client personnel relative to mechanical and piping activities.
  • Reviews and approves vendor drawings and documents.
  • Observes factory acceptance testing of equipment when required.
  • Prepares or reviews mechanical engineering deliverable status reports and work plans.
  • Reviews the mechanical scope of work to be executed to ensure it matches deliverable logs, project specifications, and/or contract documents, when functioning as LME.
  • Open to both short and extended term assignments to the site, client’s office, or similar as may be requested by management.


ADDENDUM: ENGINEERING FACILITIES DEPARTMENT


MECHANICAL ENGINEERING GROUP FUNCTIONS

Mechanical Engineering for pipeline facilities is a highly specialized group whose function is to provide engineering-design services covering:

Mechanical Equipment and Piping System Design – Develops the optimum systems based upon desired performance, space constraints, reliability, maintainability, flexibility, and cost.

Calculations and Studies – Performs calculations and studies such as the following: piping material selections, liquid and gas line sizing, pipe volume, pressurizing time, purging velocity, blowdown time, orifice sizing, regulator and control valve sizing, relief valve sizing, pump NPSHA, compressed air requirements, fluid properties, building ventilation, pressure testing, and fuel gas heating.

Site Layouts and Piping Plans – Determines location, size, and arrangement of major mechanical equipment and piping. Assist with building layouts.

Process Hazard Analysis – Participates in HAZOP, HAZID, and PHA as required.

Requisitions, Specifications, Data Sheets, Technical Evaluations – Prepares material requisitions with all supporting documents for equipment such as:

Pressure Vessels and Tanks

Silencers

Pumps and Compressors

Flares

Gas Turbines and Engines

Regulators

Filters, Scrubbers, and Separators

Control Valves

Pipe, Fittings, Valves, and Valve Actuators

Gas Dehydration Equipment

Heat Exchangers and Heaters

Relief Valves

Meters and Provers

Gas Coolers

Construction Drawings – Responsible for IFC drawing packages, including:

PFDs and P&IDs

Equipment lists

Equipment Plot Plans

Valve lists

Piping Plans and Details

Piping line lists


#LI-RG1

Requirements:

Qualifications

  • Typically 10+ years of experience focusing on oil and gas pipeline facilities such as
  • Compressor stations
  • Pump stations
  • Metering and regulating stations
  • Storage terminals
  • Loading/unloading facilities
  • Knowledgeable in petroleum liquid and gas industry codes and standards published by US Department of Transportation, AGA, ANSI, API, ASME, ASTM, MSS, and NFPA, with the ability to apply the standards to oil and gas pipeline facility systems designs.
  • Knowledge of computer systems in an engineering environment.
  • Excellent written and verbal communication skills.


Education

  • Bachelor of Science degree in Mechanical or Chemical Engineering
  • Professional Engineering License required


Competencies

  • Effective technical skills
  • Meticulous attention to detail
  • Analytical problem-solving skills
  • Creativity and innovation
  • Excellent verbal and written communication skills


Work Environment/Physical Demands

  • Working conditions are normal for an office environment.
  • Frequent sitting and operating a computer.
  • Must be able to use body members to work, move or carry objects or office materials.
  • Must be able to exert up to 10 pounds of force occasionally.
  • Physical demands requirements are at levels of those for sedentary work.


Gulf is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.