MECHANICAL DESIGN ENGINEER Multiple Levels - Greenville, SC and Houston, TX

Current job opportunities are posted here as they become available. MECHANICAL DESIGN ENGINEER Multiple Levels - 9000 Greenville, SC and Houston, TX OLH Inc. is an Atlanta-based firm founded in 1993 to offer comprehensive, specialized Project, Program, and Construction Management services. We are a small woman-owned firm, recognized for our ability to consistently deliver quality service on projects that are completed on schedule and within budget. We recruit and hire the brightest minds to join our team of outstanding professionals in many disciplines and specialties. If you are interested and qualified for this career opportunity, we look forward to reviewing your application and hope to have the opportunity to speak with you soon! For more information about OLH and our guiding principles, visit our corporate website at Job title: MECHANICAL DESIGN ENGINEERS (MULTIPLE LEVELS) – Greenville, SC & Houston, TX Greenville, SC – 2 Positions | Houston, TX – 4 Positions Multiple Openings (Design Engineer, Senior Design Engineer, Principal Design Engineer) US Citizenship Required JOB SUMMARY: The Mechanical Engineer will provide technical mechanical engineering support across assigned projects, supporting the design, analysis, and execution of mechanical systems and equipment. Positions are available at multiple levels, ranging from intermediate design engineers to senior and principal-level leads. Depending on experience, individuals may perform detailed engineering design work, support complex equipment sizing and analysis, or provide leadership and oversight for mechanical engineering scope, ensuring technical accuracy and alignment with project requirements. DUTIES / RESPONSIBILITIES: Develop and review mechanical design criteria, calculations, and specifications Perform engineering analyses related to mechanical systems and equipment Size, specify, and evaluate mechanical equipment such as: Pumps, compressors, and packaged equipment Pressure vessels and heat transfer equipment Equipment lists and specifications General arrangement and layout drawings Interpret and work from Piping & Instrumentation Diagrams (P&IDs) Pressure profiles Heat transfer rates Operational conditions Coordinate technical issues with multi-disciplinary teams (process, electrical, project management, etc.) Provide technical support for: Procurement activities (bid evaluations, vendor submittals) Construction (RFIs, field changes, installation and startup support) Support equipment fabrication, testing, installation, and commissioning Ensure work is executed in accordance with: Project scope, cost, and schedule baselines Applicable procedures, codes, and standards Additional for Senior / Principal Levels: Lead mechanical engineering scope for assigned areas or projects Provide technical guidance and oversight to engineers and designers Develop project estimates, schedules, and progress reports Interface with clients, vendors, and stakeholders on technical matters WORK HOURS: A standard 40-hour work week is scheduled. Additional hours may be required to meet project deliverables. REQUIRED QUALIFICATIONS – EDUCATION & EXPERIENCE: Education: Bachelor’s degree in Mechanical Engineering Experience by Level: Design Engineer (Mid-Level): Minimum 5 years of relevant experience Senior Design Engineer: Minimum 10 years of relevant experience Principal Design Engineer: Minimum 15 years of relevant experience Candidate must possess all the following experience and/or skills: Experience supporting mechanical system and equipment design Proficiency with: Equipment sizing and specification Mechanical calculations and analysis Engineering documentation and specifications Experience working with: Rotating equipment and/or pressure systems Heat transfer equipment and mechanical components Working knowledge of: Federal, state, and local codes and standards Ability to coordinate across multi-discipline engineering teams Strong communication and technical problem-solving skills OTHER REQUIRED QUALIFICATIONS: Ability to obtain and maintain a DOE security clearance if required PREFERRED QUALIFICATIONS: Professional Engineer (PE) license Experience supporting large EPC projects Experience with: Mechanical equipment design across full project lifecycle (design through commissioning) Nuclear or DOE project environments Familiarity with: 2D/3D design tools (e.g., CAD platforms) Equipment performance evaluation and material selection ACTION REQUIRED: PLEASE APPLY BY UPLOADING YOUR RESUME USING THE LINK PROVIDED. EQUAL OPPORTUNITY EMPLOYER: OLH, Inc. is an Equal Opportunity Employer and ensures nondiscrimination in all programs and activities. #J-18808-Ljbffr