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Senior Mechanical Engineer

Job in Bethesda, Montgomery County, Maryland, 20811, USA
Listing for: Salas O'Brien
Full Time position
Listed on 2026-09-25
Job specializations:
  • Engineering
    Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 145000 - 165000 USD Yearly USD 145000.00 165000.00 YEAR
Job Description & How to Apply Below

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 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 functions as the overall technical lead for Fed-Florida Business Unit projects. Technical duties in Mechanical engineering require adaptability and versatility. Examples of the type of work to be performed include the design of mechanical and plumbing components and systems; engineering calculations and analysis of thermal and fluid dynamics; development of HVAC system designs for a variety of facility types;

and fire protection and life safety system design and integration. Additional responsibilities encompass the evaluation and selection of mechanical equipment, energy efficiency analysis, coordination of mechanical systems with other disciplines, construction administration and field support, as well as facility condition assessments and capital asset management planning for mechanical infrastructure. This position operationally reports to the Director of Design Operations.

Technical Responsibilities (85-90%)
  • Perform project direct billable functions and responsibilities to maintain a personal utilization rate of 85%-90%.
  • Responsible for the overall technical quality of assigned projects to ensure design compliance to meet SOW requirements and all applicable codes and standards.
  • Oversees discipline-specific personnel and technical execution of design. This may include both local personnel and other internal business units within Salas O’ Brien.
  • Responsible for performing engineering tasks such as site design, permitting, assessments, and construction management.
  • Adheres to Project Management Plans (PMP) and Quality Control (QC) programs as assigned but does not change them without approval.
  • May be assigned as Engineer of Record (EOR) and/or Design Lead.
  • Participates in Fed-Florida Quality Control Program providing final approval of all Mechanical work products, performing Chief Engineer responsibilities, and/or performing Design Manager responsibilities when assigned (reference "Project Quality Control Policies and Processes").
  • Ensure adherence to Fed-Florida’s quality control standards, including pass-through services/consulting.
Business Development Responsibilities (10-15%)
  • 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 Fed-Florida’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,…
Position Requirements
10+ Years work experience
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