Mechanical Engineer III

About the role

Merrick is seeking a Mid Level Mechanical Engineer to join our Energy, Manufacturing & Bioprocessing Business Unit. This full-time, direct hire position will be responsible for engineering, design, coordination, client communications and associated construction administration. The position can be located in any of the following offices: Greenwood Village, CO; Tulsa, OK; Chattanooga, TN; Richmond, VA; Newport News, VA; Ellicott City, MD. A hybrid work schedule will be supported.

Responsibilities

• Oversee mechanical engineering deliverables, perform engineering calculations, select systems and equipment, and develop mechanical designs.
• Manage project budgets and schedules, maintain strong relationships with clients, vendors, and internal stakeholders, and collaborate closely with engineering and technical teams to ensure successful project execution and achievement of overall project objectives.
• Execute mechanical engineering design for bioprocessing, oil & gas, chemical, power, and industrial facility projects.
• Develop basis of design documents and ensure compliance with client requirements, industry standards, and applicable codes (IBC, ASME, API, PIP, NFPA, etc.).
• Prepare scopes of work, support proposals, and collaborate with clients to evaluate costs and identify value engineering opportunities.
• Interpret project requirements and oversee all aspects of mechanical design, including equipment, piping, and system selection.
• Perform and review engineering calculations, equipment sizing, and code‑compliant system designs.
• Direct piping design activities, including 3D modeling, pipe stress analysis, P&IDs, piping plans, specifications, and isometrics.
• Ensure adherence to quality assurance procedures and technical excellence throughout project execution.
• Prepare and review construction documents, specifications, equipment datasheets, and engineering deliverables.
• Provide construction‑phase support by resolving field issues, responding to RFIs, and conducting site inspections as needed.
• Manage mechanical engineering budgets, schedules, and scope while supporting successful project delivery and profitability.
• Collaborate with project managers, engineers, designers, clients, and contractors to achieve project objectives.
• Maintain professional licensure requirements and pursue ongoing technical and professional development.
• Travel to project sites and equipment fabricator shop locations; walk down plant systems and equipment, including climbing ladders and stairs.

Requirements

• Bachelor’s degree in mechanical engineering from an ABET‑accredited program.
• Eight (8)+ years of industry experience.
• Registered Professional Engineer or ability to obtain your PE within the first year of employment.
• Experience with Design/Build and EPC projects.
• Significant pipe stress analysis experience utilizing software such as CAESAR II.
• Experience leading teams of engineers on design projects.
• Valid driver's license, good driving record, and insurable under Merrick’s insurance carrier.
• Eligible to work in the United States without sponsorship.

Skills

• Significant experience with oil and gas, petrochemical, bioprocessing or power facility design.
• Extensive design experience in piping engineering, pipe supports, equipment layouts and detailed piping design.
• Knowledge of ASME B31.3 and B31.1, ASME Boiler & Pressure Vessel codes, PIP and API codes