Senior Mechanical Engineer

Reference: 169904Location: Newport BeachType: FULL_TIMESalary: 100000 - 150000Posted: 2026-09-01Senior Mechanical EngineerOverviewTRS Staffing Solutions is seeking a Senior Mechanical Engineer to support a multidisciplinary engineering organization delivering commercial, institutional, government, industrial, and infrastructure projects across the United States. This opportunity is ideal for an experienced engineering professional who thrives in a client-facing environment and enjoys technical leadership, project management, business development, and mentoring engineering teams.The successful candidate will lead the design and execution of HVAC and plumbing systems, collaborate with multidisciplinary project teams, manage multiple concurrent projects, and work directly with clients to deliver innovative engineering solutions. This role offers the opportunity to influence project success, support business growth initiatives, and help develop a high-performing engineering team within a collaborative environment.Key ResponsibilitiesMechanical Engineering & DesignLead the design of HVAC and plumbing systems for a variety of building and facility projects.Perform HVAC load calculations, system analysis, and equipment selection utilizing industry-standard software.Prepare and review engineering drawings, specifications, and technical documentation.Interpret technical drawings and coordinate design development activities.Review designs for compliance with applicable mechanical, energy, and plumbing codes and standards.Coordinate multidisciplinary design efforts across engineering disciplines.Project Management & LeadershipManage multiple projects simultaneously while maintaining quality, budget, and schedule objectives.Lead engineering teams through project planning, execution, and delivery.Develop project scopes, cost estimates, and work plans.Provide technical leadership, mentorship, and oversight to engineers and designers.Monitor project performance and resolve technical and execution challenges.Business Development & Client EngagementSupport proposal development, qualifications packages, and pursuit activities.Participate in client meetings, presentations, and relationship-building efforts.Identify and support new business opportunities.Maintain strong working relationships with clients, vendors, and project stakeholders.Contribute to marketing and business development initiatives.Collaboration & QualityCoordinate closely with internal engineering disciplines and project teams.Maintain high standards of technical excellence, quality, and safety.Support office goals, team development, and a collaborative workplace culture.Contribute to continuous improvement initiatives and knowledge sharing.Required QualificationsBachelor's Degree in Mechanical Engineering or related discipline from an accredited institution.Professional Engineer (PE) license required.10 to 15 years of mechanical engineering experience.Extensive experience designing HVAC and plumbing systems.Experience managing engineering projects and multidisciplinary teams.Proficiency with AutoCAD and Revit.Experience utilizing HVAC load calculation software.Strong understanding of mechanical, energy, and plumbing codes.Excellent verbal and written communication skills.Strong organizational, analytical, and problem-solving abilities.Ability to manage competing priorities in a fast-paced environment.Proficiency with Microsoft Office applications including Outlook, Word, Excel, and PowerPoint.Ability to travel as required.Preferred QualificationsProject Management certifications or formal project management experience.Experience leading interdisciplinary engineering projects.Energy modeling experience.Established relationships with local authorities having jurisdiction (AHJs).Active participation in industry organizations and professional associations.Experience supporting proposal development and business growth initiatives.Work EnvironmentHybrid work schedule available based on project and business needs.Collaborative multidisciplinary engineering environment.Opportunity to work directly with clients and senior technical leadership.Involvement in diverse project types across commercial, institutional, government, and industrial sectors.Why This Opportunity?This role provides the opportunity to serve as a technical leader on challenging engineering projects while contributing directly to business growth and client success. The position combines mechanical engineering expertise, project leadership, mentorship, and client engagement within a collaborative environment that encourages professional development and continuous learning. Successful candidates will have the opportunity to shape project outcomes, develop engineering talent, and support impactful projects across a broad range of industries.