Senior Mechanical Engineer — Remote Lead for Industrial Projects

Orbital Engineering, Inc.; Philadelphia (Philadelphia County); On-site; USD 140,000 - 190,000; Full time

Job summary

Orbital is seeking a Senior Mechanical Engineer for a REMOTE WORK role supporting heavy industrial clients across the steel, power, refining, petrochemical, and midstream energy sectors. You will provide technical leadership from planning through commissioning.

The successful candidate will mentor engineers, develop design criteria, review calculations, and coordinate with process, electrical, and civil teams to ensure safe, reliable solutions.

Qualifications

• Bachelor of Science Degree in Mechanical Engineering
• Professional Engineer (PE) license
• 15+ years of mechanical engineering experience in heavy industrial, manufacturing, power generation, steel, petrochemical, refinery, or midstream facilities
• Strong knowledge of rotating equipment, pressure vessels, heat transfer equipment, fluid systems, piping systems, and utility systems
• Experience with ASME, API, NFPA, and PIP standards
• Experience developing technical specifications, scopes of work, equipment procurement packages, and contractor bid evaluations
• Excellent communication and client-facing skills

Responsibilities

• Lead mechanical engineering efforts for capital improvement, maintenance, expansion, and reliability projects.
• Develop project scopes, engineering design criteria, and technical solutions in collaboration with clients and internal project teams.
• Prepare and review engineering calculations, studies, specifications, equipment datasheets, and design deliverables.
• Develop specifications for: Pumps, Pressure vessels, Storage tanks, Heat exchangers, Compressors, Material handling systems, Utility and process equipment.
• Prepare construction packages, scopes of work, procurement documents, and bid evaluations.
• Conduct site assessments, field investigations, and bid walkdowns.
• Perform engineering evaluations in accordance with applicable industry standards including ASME, API, NFPA, PIP, and related codes.
• Coordinate multidisciplinary engineering efforts with process, electrical, structural, civil, piping, and instrumentation engineering teams.
• Support construction activities through RFI responses, startup assistance, and commissioning support.
• Lead design reviews and quality reviews to ensure technical accuracy and project quality.
• Mentor junior engineers and designers while promoting engineering best practices.
• Support proposal development, project estimating, and technical business development activities.

Job description

Orbital is seeking a Senior Mechanical Engineer for a REMOTE WORK role supporting heavy industrial clients across the steel, power, refining, petrochemical, and midstream energy sectors. You will provide technical leadership from planning through commissioning.

The successful candidate will mentor engineers, develop design criteria, review calculations, and coordinate with process, electrical, and civil teams to ensure safe, reliable solutions.