Flex Schedule Injection Molding Process Engineer Jobs in Houston, TX

NorthStar Energy Services, a Quanta Services, Inc. (NYSE:PWR) company, is based in Channelview, TX and provides engineering, design, procurement, construction and support services to the chemical, petrochemical, pipeline, oil & gas, bulk storage and terminal industries throughout the country. We offer individual project services as well as turnkey EPC project implementation.

NorthStar possesses the skills and expertise to self-perform the design and installation of civil, structural, mechanical, piping, electrical, and instrumentation systems throughout a broad array of industrial applications.

Joining our team means being part of an organization that values drive and inclusion. We focus on career development and reward excellence, recognizing each team member's unique contributions. We're at the forefront of powering modern life. Discover how your skills and dedication can make a real difference to us.

NorthStar Energy Services is seeking an experienced Process Engineer to join our Professional Engineering Consulting team. This role supports energy and industrial projects across oil & gas processing, pipelines, petrochemical facilities, and related infrastructure. The Senior Process Engineer will be responsible for leading process design development, ensuring regulatory compliance, and coordinating with multidisciplinary teams to deliver high-quality engineering solutions from concept through detailed design.

Engineering & Design

• Develop process design concepts, engineering criteria, and calculations for energy processing facilities and pipeline systems.
• Perform process engineering analyses including material and chemical balances, hydraulic calculations, compression analysis, overpressure protection, and maximum intended inventory.
• Generate and maintain process documentation such as PFDs, P&IDs, mass balance diagrams, logic diagrams, and cause & effect matrices.
• Lead and participate in process safety activities including HAZOPs, LOPA studies, and PSM documentation.
• Support the detailed design and specification of process systems and equipment including compressor stations, pump stations, storage facilities, metering systems, gas treating, dehydration, utility systems, and flare/relief systems.

Deliverable & Project Support

• Coordinate and communicate process deliverables with engineering team members across all disciplines.
• Integrate company standards, municipal requirements, and regulatory codes into project designs.
• Perform independent QA/QC reviews of process drawings, calculations, and technical documents.
• Review and respond to RFIs and evaluate third-party vendor drawings for design compatibility.
• Support field activities and site visits to obtain design-relevant information throughout the project lifecycle.

• Bachelor’s degree in Chemical or Petroleum Engineering or related discipline
• Professional Engineer (P.E.) license required, Preferably in Texas
• 10+ years of total experience, 5 years of direct process engineering experience supporting oil & gas, pipeline, petrochemical, or industrial facilities
• Proven experience developing detailed process designs for facilities such as compressor stations, pump stations, storage terminals, and utility systems
• Strong working knowledge of applicable codes and standards including:
  • Title 49 CFR Parts 190–199, 40 CFR 112, 40 CFR 264
  • ASME BPVC Section VIII, ASME B31.3 / B31.4 / B31.8
  • API 610, 674, 675, 676, 682, 520, 521
  • API 620, 650, and 12C
• Experience with pressure relief systems, flare design, chemical injection, truck/rail loading systems, and fire suppression integration
• Ability to work independently and collaboratively in a multidisciplinary engineering environment
• Strong analytical, organizational, and problem-solving skills with exceptional attention to detail
• Excellent written, verbal, and presentation communication skills

As a Quanta Services employee, we offer a wide range of benefits to fit your needs.

• 401(k) with immediate matching and vesting
• Fully comprehensive benefits packages; Medical, Dental, Vision
  • Your choice of PPO, HSA, FSA
• Short term and long-term benefits

All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, color, religion, national origin or ancestry, sex (including gender, pregnancy, sexual orientation, and/or gender identity), age, disability, genetic information, veteran status, and/or any other basis protected by applicable federal, state or local law.
We are an Equal Opportunity Employer, including disability and protected veteran status.
We prohibit all types of discrimination and are committed to providing access and equal opportunity for individuals with disabilities. For additional information or if reasonable accommodation is needed to participate in the job application, interview, or hiring processes or to perform the essential functions of a position, please contact us the Company’s Human Resources department.