Mechanical Engineer III

Mechanical Engineer III

Cornerstone Energy Services Plymouth, Massachusetts, United States Engineering

Cornerstone Energy Services, Inc. specializes in engineering, survey, and land solutions for the energy infrastructure sector. From initial concept through project completion, we provide comprehensive services including civil, process, mechanical, and I&E engineering; project management; survey and mapping; and right‑of‑way acquisition.

We collaborate closely with developers and operators of oil and gas pipelines and electric transmission systems, supporting both extensive linear projects and site‑specific developments. Our work is guided by three core values:

• Safety – protecting the public, our clients, and our team
• Advocacy – prioritizing the best interests of our clients
• Integrity – upholding professionalism and accountability in every aspect of our operations

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

• Provide engineering leadership to a project or discipline.
• Maintain or set company standards for quality, production, efficiency, and public safety.
• Report findings and take necessary action to correct deficiencies.
• Design, draft, and/or plan proposed projects; review engineering reports and specifications for compliance and guidelines.
• Ensure the company remains current on the latest industry technology and uses the best tools for each application, recommending improvements where necessary.
• Meticulously follow company quality procedures and utilize quality tools, recommending and creating additional tools to improve quality performance.
• Represent the company at job fairs, business development events, prospective client meetings, and industry events; proactively maintain client relationships.
• Act as primary business owner of contracts.
• Engage in long‑range tactical planning on multiple projects, including tracking and budgeting.
• Maintain compliance with applicable laws, regulations, and required permits; consult with engineers concerning design modifications and respond to inquiries concerning civil and engineering laws and practices.
• Act as team leader by interviewing, recommending for hire, assigning, overseeing, and reviewing work, and training new employees.
• Work with the Human Resources Coordinator to hire new engineering talent and conduct performance reviews with existing employees.
• Direct and supervise other engineers’ activities.
• Lead preparation of project proposals and participate in bid walks.
• Serve as a designated client contact.
• Exercise independent initiative/judgement in setting and implementing goals.
• Independently identify complex problems and devise optimal and innovative solutions.
• Although not the primary responsibility, an Engineer III may perform responsibilities identified in the Engineer II job description when needed.
• Perform other duties as assigned.

• Duties are performed in office and field settings.
• Office work may include prolonged seated tasks, extended keyboarding, and use of computer screens.
• Field settings may include work outdoors and on construction sites during all weather conditions.
• May be requested to work overtime and weekends.
• Position may require travel (up to 50%); valid driver’s license and acceptable DMV record required.

• Regularly required to stand, walk, use stairs, use hands, reach, talk, and hear.
• Frequently lift and/or move up to 10 pounds and occasionally up to 25 pounds.
• Specific vision abilities required include close vision, distance vision, depth perception, and the ability to adjust focus.

• Consistently demonstrates high levels of mechanical engineering technical knowledge, ingenuity, and creativity.
• Advanced knowledge of mechanical engineering principles and practices and the ability to apply them.
• Proven experience in solving complex problems, identifying alternative solutions, project consequences of proposed actions, and implementing recommendations to support goals.
• Ability to generate clear and effective proposals and cost estimates.
• Ability to lead a team, or teams, of…