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Senior Mechanical Engineer

Salas O'Brien
United Statesfull_timeVerifiedPosted 17 Apr 2026
💰 $165,000/yr($145,000/yr$165,000/yr)

About the role

Senior Mechanical Engineer

At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career—and they’ll receive great total rewards along the way.

 

Job Summary:

The Senior Mechanical Engineer will provide engineering design, evaluation, and planning of mechanical systems. The candidate will have the opportunity to work on projects in a variety of market sectors, such as healthcare, science & technology, education, and commercial projects. This position is offered in a hybrid work environment, with a combination of in-office collaboration and remote work flexibility. 

 Duties and Responsibilities:

  • Develop the HVAC systems design of a given project based on the scope of work and/or client RFPs while supporting project execution from concept design through construction.
  • Provide engineering design, evaluation, and planning of mechanical systems for healthcare, science & technology, education, and commercial projects while ensuring designs meet project scope, applicable code, and industry standards.
  • Perform heating and cooling load calculations and energy analysis with software such as Trace 700 or similar programs.
  • Conduct existing building surveys and document existing HVAC systems and site conditions.
  • Develop system design calculations and selection of equipment for building mechanical systems.
  • Write and edit project specifications and other technical design documentation.
  • Prepare detailed design documents, engineering reports, and technical studies while maintaining accurate project documentation.
  • Perform code compliance research and ensure mechanical system designs meet applicable codes and regulatory requirements.
  • Coordinate mechanical system design with other engineering disciplines, architects, and project stakeholders.
  • Provide construction administration services including reviewing submittals, responding to contractor questions, and supporting construction phase coordination.
  • Communicate effectively in both written and verbal formats with clients, contractors, and internal project teams to ensure alignment on design intent and project updates.
  • Support project teams in maintaining project schedules, deliverable quality, and resolution of technical issues with both internal team members and external partners.
  • Perform project billable work and engineering responsibilities consistent with expected utilization goals while contributing to successful project delivery.
  • Foster an environment where new ideas are discussed and developed collaboratively to create practical solutions to client challenges.  

Business Development Responsibilities:

  • Tactical business development - Review RFP/RFQ/SOW as well as prebid drawings and specifications to determine resource requirements and risk/benefit potential for each assigned proposal opportunity.
  • Strategic business development – Support the Director in cultivating and maintaining Mid-Atlantic’s strategic growth targets and growth areas as requested.
  • Oversee design-build coordination for Mechanical scope of work on assigned proposals. Coordinate subcontractor services that will be necessary or could impact the Mechanical scope of work. Ensure the GC Prime has sufficient technical input to competitively price their means-methods to construct the project.
  • Coordinate with other design disciplines to ensure related scopes have adequate level of effort with minimal redundancies on assigned proposals.
  • Participate in go/no-go decisions, oral presentations, capture management, technical approach narratives, qualification packages, elevator pitches, industry days, and conferences as requested.
  • As requested, identify/suggest opportunity-specific teammates, subcontractors (geotechnical, survey, SUE, structural, hazmat sampling, biological, cultural resources), hardware, software, training, badging, certifications, licenses, safety and travel needs that are likely to be required to perform the Mechanical scope of work. Clarify scope of services to clearly explain Mid-Atlantic’s understanding of the Mechanical scope of work through clarifications, assumptions, and exclusions.

Operational R

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Company

Salas O'Brien

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