Senior Mechanical Piping Designer
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Cornerstone Energy ServicesGet Smart Job AI Coach in the appFree on iOS and Android 






Senior Mechanical Piping Designer
Location
Portland, ME
Experience
Senior
Posted
Jul 10, 2026
Apply by
August 9, 2026
Applicants
0
Early applicantEasy applyFull-timeWork from Office
Job Description
About Cornerstone Energy Services
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
ESSENTIAL FUNCTIONS
Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
• Collaborate with other designers, engineers and disciplines in development of process and site design.
• Produce complex 3D designs and models of sites, facilities, pipelines, supports, foundations & other required
elements of energy infrastructure systems.
• Read, interpret & apply engineering terminology & symbols.
• Work with the D&D Coordinator with to develop design and drafting standards and procedures, and recommend
updates to those policies and procedures as needed.
• Strive for continuous improvement.
• Train, coach, or mentor Mechanical Designers as appropriate.
• Work with the Drafting & Design (D&D) Coordinator to research and coordinate external training as needed for
the Mechanical Design team.
• Work with the D&D Coordinator to ensure that each mechanical project is assigned to appropriate staff.
• Provide leadership to design and drafting staff on assigned projects.
• May supervise other Mechanical Designers or Drafters.
• Reviewing the work of other Mechanical Designers and/or Drafters for accuracy and adherence to company,
client and industry standards.
• Review work in progress or deliverables received from clients, outside consultants or vendors.
• Work with the D&D Coordinator to ensure that the company is current on the latest industry technology and
using the best tools available for each application. Make recommendations for updates or upgrades as applicable.
• Under direction from the Project Manager or Lead Engineers, may be requested to communicate and/or
coordinate with clients to resolve project questions such design requirements and standards.
• Work with the D&D Coordinator and Human Resources Coordinator to hire new design talent and assist with
performance reviews with existing employees.
• Provide input on new project proposals and estimates as requested.
• Review changes to design and scope, requests for extra work and any factors which may impact manpower
requirements within the Mechanical Design Team.
• Report escalation of any project or personnel issues to the Principals or Human Resources as necessary.
• Prepare documents or reports as requested by the Principals or Project Management team.
• Assist engineering and project management as needed with researching product specifications, contacting
vendors, and/or other support functions.
• Has the ability to perform all responsibilities identified in the Designer II job description.
• Travel to field project locations with other designers or engineers to make field sketches, take dimensions,
as-built assemblies, etc.
• Perform other duties as assigned.
• Communicate effectively and provide regular status updates. Keep drawing lists and Teams tasks up to date.
• Strive continually to complete all assigned tasks on time & within allocated budget.
WORK ENVIRONMENT
• Duties are largely performed in an office.
• Office work may include prolonged seated tasks, extended keyboarding, and use of computer screen.
• May be requested to work overtime and weekends.
• Position requires travel (expected to be less than 20%); valid driver’s license and acceptable DMV record
required.
PHYSICAL REQUIREMENTS
• The employee is regularly required to stand, walk, use stairs, use hands, reach, talk and hear.
• The employee must frequently lift and/or move up to 10 pounds and occasionally lift and/or move up to 25
pounds.
• Specific vision abilities required by this job include close vision, distance vision, depth perception, and the ability
to adjust focus.
MINIMUM QUALIFICATIONS
KNOWLEDGE, SKILLS AND ABILITIES
• Demonstrate the ability to perform all key qualifications of a Mechanical Designer II
• Expert skills using AutoCAD and Autodesk family of products for 3D modeling and drafting.
• Expert skills using CADWorx family of products (including Plant, P&ID, Spec Editor, and Isogen).
• Experience with other 3D software such as Revit is a plus.
• Expert knowledge in the field of energy infrastructure design.
• Expert knowledge in plant layout, piping, and support and hanger design
• Expert knowledge in pipe, valves and fittings and corresponding material and dimensional specifications.
• Ability to make decisions and find alternative solutions to problems.
• Ability to provide clear & concise direction to assigned staff.
• Ability to communicate within a dynamic design team, often with contacts external to home office location.
• Ability to solve complex problems and strive for innovative approaches to the design maturity process.
• Ability to establish & maintain standards, processes & systems within a design team.
• Capacity to conduct and participate in meetings with senior management.
EXPERIENCE AND EDUCATION
• Bachelor or Associates degree in a related field or applicable certificate of completion from an accredited
designer/drafter curriculum.
• Five or more years of experience developing complex 2D and 3D designs, design processes and inspiring
innovative approaches.
Key Responsibilities
- Collaborate with designers and engineers on process and site design development.
- Produce complex 3D designs and models of energy infrastructure systems.
- Read, interpret, and apply engineering terminology and symbols.
- Develop and update design and drafting standards and procedures.
- Train, coach, and mentor Mechanical Designers.
- Review work of other designers for accuracy and adherence to standards.
- Coordinate with clients to resolve project questions and design requirements.
- Assist with hiring new talent and conducting performance reviews.
- Travel to field locations for sketches, dimensions, and as-built assemblies.
Requirements
- Bachelor's degree in a related field
- Associate's degree in a related field
- Certificate of completion from an accredited designer/drafter curriculum
Skills Required
AutoCADAutodesk family of productsCADWorx family of productsPlantP&IDSpec EditorIsogen3D modeling2D designEnergy infrastructure designPlant layoutPiping designSupport and hanger designPipe specificationsValve specificationsFitting specificationsLeadershipMentoringCommunicationProblem solvingDecision makingTeam collaborationAttention to detailRevit
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