Senior Process / Mechanical Engineer

Pinnacle Specialty Group, Inc.

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Greenville, SC Until 9/21/2026 10+ years exp First posted July 23, 2026 Last posted July 23, 2026
Job description

Pinnacle Specialty Group is a woman-owned and operated small business specializing in providing project and contract management for Professional, Technical, Engineering, IT and Support Services. We offer full benefits to include: Medical, Dental, Vision, Paid Time Off, 401K - Company Matched.

Conduct construction document reviews as required
Plan, organize, and coordinate process / mechanical engineering and multi-disciplined team / design projects while engaged in the planning, design and construction phases of engineering projects including project startup
Prepare and review calculations and specifications relating to Piping and Instrumentation Diagram (P&ID) development
Demonstrate design experience in areas such as, but not limited to mechanical systems and equipment design
Generate and review the accuracy of design / evaluation calculations, and specifications.
Familiarity with computer aided drafting applications is required
Basic Job Requirements
Must be a U.S. Citizen.
Bachelor of Science in Chemical or Mechanical Engineering with a minimum of ten (10) years of experience (nuclear preferred) in design, estimating, specification preparation, construction document preparation, and related phases of engineering.
Must have a working knowledge of federal (including Department of Energy Orders), state, and local codes and standards applicable to mechanical engineering design.
Professional Engineer License preferred but not required.

Work Environment / Physical Demands:

Work is performed in an office environment and requires the ability to operate standard office equipment and keyboards. Light to moderate lifting may be required for packages and other items, ability to walk short distances, may be regularly required to stand, sit, talk, hear, reach, stoop, kneel, and use hands and fingers to operate a computer, telephone, and keyboard.

Due to government and/or federal regulations for this position, proof of U.S. citizenship is required.

We are an Equal Opportunity Employer

Pinnacle Specialty Group’s internal recruiting team requests that staffing / recruiting firms or agencies please not respond to our solicitations.

About this role

Summary

Designs mechanical systems, reviews calculations, manages engineering projects, ensures code compliance.

Job title

Senior Process / Mechanical Engineer

Experience level

10+ years

Minimum experience

10+ years exp

Industry

engineering

Location requirements

Greenville, SC, on-site; remote not allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

mechanical systemsP&IDdesigncalculation reviewcomputer aided drafting

Preferred skills

professional engineer licensenuclear experiencefederal codes

Specializations

mechanical systemsprocess engineeringP&IDdesignconstruction
Locations

Structured locations inferred from the posting.

Greenville, SC, USA

On-site City