Sr. Mechanical Engineer (19653)

Arion; Houston (TX); On-site; USD 110,000 - 160,000; Full time

Job summary

Arion in Houston seeks a Senior Mechanical Engineer to provide technical leadership across oil & gas and energy projects. You will oversee pressure vessel and rotating equipment design, ensure code compliance, and mentor junior engineers.

The role requires extensive experience with ASME VIII, API, and related standards, plus strong collaboration with vendors and clients to deliver safe, high-quality design solutions throughout the project lifecycle.

Qualifications

• BSc or MSc in Mechanical Engineering or Engineering Technology is required.
• 8+ years of experience in heat transfer, pressure vessel, or rotating machinery design.
• Strong knowledge of ASME VIII, API, ANSI, ISO, and related standards.
• Experience in equipment selections, specifications, technical bids, and supplier document reviews.

Responsibilities

• Lead design, specification, and procurement of pressure vessels, heat transfer or rotating equipment for oil & gas and energy projects.
• Prepare and review mechanical equipment specifications, datasheets, requisitions, and technical bid evaluations.
• Review vendor documentation and submittals to ensure compliance with codes and project requirements.
• Provide technical guidance and mentor junior engineers; contribute to standards and best practices.
• Interface with vendors, clients, and cross-disciplinary teams to ensure technical alignment.
• Support fabrication, inspection, testing, commissioning, and troubleshooting activities.

Skills

Mechanical design

ASME VIII

Heat transfer

Vendor coordination

Bid evaluation

Field experience

Education

BSc/MSc in Mechanical Engineering

Tools

PV Elite

Compress

Job description

Job Summary

The Sr. Mechanical Engineer provides technical leadership for mechanical engineering activities across projects, ensuring the delivery of safe, compliant, and high-quality design solutions. This role oversees equipment design and selection, collaborates with internal and external stakeholders, and supports execution throughout the project lifecycle while guiding and mentoring junior engineers.

Responsibilities

• Lead the design, specification, and procurement of pressure vessels, heat transfer or rotating equipment for oil & gas and energy projects.
• Prepare and review mechanical equipment specifications, datasheets, requisitions, and technical bid evaluations.
• Conduct technical evaluation, evaluate equipment suitability and issue clarification of supplier bids - complete technical report to support order placement.
• Review vendor documentation and technical submittals to ensure with ASME Section VIII, ANSI, API, and other applicable codes, standards, and project requirements.
• Provide technical guidance, mentor junior engineers, and contribute to internal standards and best practices.
• Interface and lead technical discussions with vendors, clients, and interdisciplinary teams to ensure technical alignment and integration.
• Support fabrication, inspection, and testing activities including factory and site acceptance testing.
• Support construction, commissioning, and troubleshooting activities as needed.
• Performs other related duties as assigned.

Qualifications

• BSc, MSc or equivalent in Mechanical / Engineering Technology is required.
• 8+ years of experience in heat transfer/pressure vessel design and analysis or rotating machinery design, preferably within EPC environments.
• Strong working knowledge of ASME Section VIII, API, ANSI, ISO, BS, and other relevant industry standards.
• Experience in equipment selections, specifications, requisitions, technical bids evaluation and supplier document reviews, etc. in Engineering firms, Equipment Manufactures including an operation and maintenance of Process Plant Equipment.
• Ability to comprehend and interpret technical information applicable to Mechanical Engineering.
• Excellent oral and written communication skills are required.
• High level of commitment to safety.
• Highly motivated and positive attitude.

Software

• Advanced Microsoft Office skills (Word, Excel, PowerPoint) preferred.
• Proficiency in PV Elite, Compress, or similar design/analysis tools (e.g. vendor sizing, vibration analysis)

Working Conditions

• Work is primarily conducted in an office environment but may require occasional travel to off-site work locations.
• Field duties may require outdoor work in a plant or facility.
• When on field assignment you may be required to work in a plant and/or shop areas around production machinery subject to varying temperatures and noise.
• May be at more than one job site in a day and must be able to tolerate climate changes.
• May be required to travel out of town on a periodic basis.

Physical Requirements (With or Without Reasonable Accommodation):

• Ability to lift and carry up to ten (10) pounds.
• Ability to communicate effectively, including sufficient clarity of speech, hearing, or other communication capabilities.
• Ability to sit for extended periods of time.
• Sufficient visual acuity or other observational abilities to review documents, perform analysis, and conduct investigations.
• Sufficient manual dexterity to perform routine office tasks such as typing and using standard office equipment.
• Sufficient mobility to perform office duties and travel to off-site locations as needed.
• Ability to wear required personal protective equipment (PPE) when visiting operational or field locations, as required by the safety department.