Position SummaryC&S Companies is seeking a Senior Project Engineer to support the SESW Facilities team in San Diego. This position is for a licensed mechanical engineer with a strong business development focus and the technical capability to independently produce high-quality mechanical design deliverables in Revit.
The successful candidate will help grow C&S's mechanical facilities presence in the California market by building client relationships, identifying and shaping opportunities, providing market intelligence, and supporting proposal and pursuit activities. The role also requires hands-on engineering leadership, including design production, coordination, quality review, and technical support throughout project delivery.
Key ResponsibilitiesBusiness Development and Market Leadership- Lead and support business development activities for mechanical facilities services throughout California.
- Develop and maintain relationships with clients, owners, architects, contractors, industry partners, and other key stakeholders.
- Identify emerging market opportunities, client needs, procurement trends, and competitive conditions in the California facilities market.
- Provide regular market insights to SESW Facilities leadership, including intelligence on prospective clients, funding opportunities, market sectors, and strategic pursuits.
- Support go/no-go evaluations, capture planning, proposal development, interview preparation, and client presentations.
- Represent C&S at client meetings, industry events, professional organizations, and networking opportunities.
- Partner with technical and operational leadership to develop pursuit strategies and position C&S for long-term client relationships.
Mechanical Engineering and Project Delivery- Serve as a senior mechanical engineer for facilities projects from planning and existing-condition assessment through design, construction administration, commissioning, and closeout.
- Perform and oversee mechanical engineering design for HVAC, plumbing, hydronic, central plant, ventilation, equipment replacement, energy-efficiency, and related building-systems projects.
- Independently produce mechanical design documents, calculations, specifications, schedules, and construction details using Revit.
- Develop and maintain accurate Revit models, coordinate mechanical systems with architectural, structural, electrical, civil, and specialty disciplines, and resolve design conflicts.
- Conduct site investigations, field verification, existing-condition assessments, and client coordination meetings.
- Support preparation of project scopes, fee proposals, budgets, schedules, and work plans.
- Review project deliverables for technical accuracy, code compliance, constructability, coordination, and quality.
- Provide technical guidance and mentoring to junior engineers and designers.
- Support construction-phase services, including responses to requests for information, submittal reviews, site observations, issue resolution, and commissioning coordination.
Collaboration and Client Service- Work closely with SESW Facilities leadership and multidisciplinary project teams to deliver coordinated, responsive services.
- Communicate project status, risks, decisions, and technical recommendations clearly to clients and internal team members.
- Balance client-development responsibilities with direct technical production and project-delivery commitments.
- Contribute to a culture of quality, accountability, collaboration, and continuous improvement.
Required Qualifications- Bachelor's degree in Mechanical Engineering or a closely related engineering discipline.
- Active Professional Engineer (PE) license in California.
- 8 or more years of progressive mechanical engineering experience supporting facilities, building systems, or vertical infrastructure projects.
- Demonstrated experience with HVAC, plumbing, mechanical equipment, building-systems analysis, and mechanical design documentation.
- Advanced proficiency in Autodesk Revit, including independent production of mechanical models and construction documents.
- Experience coordinating multidisciplinary design teams and working directly with clients, architects, contractors, and project stakeholders.
- Proven business development experience, including client relationship management, opportunity identification, proposal support, and interview participation.
- Strong understanding of the California facilities market, including regional client needs, procurement practices, market conditions, and competitive landscape.
- Excellent written, verbal, and presentation skills.
- Ability to work independently while collaborating effectively across a multidisciplinary team.
- Ability to travel locally and regionally for client meetings, site visits, industry events, and project needs.
Preferred Qualifications- Experience supporting public-sector, institutional, education, healthcare, aviation, municipal, commercial, industrial, or other complex facilities projects.
- Experience with energy studies, decarbonization, building electrification, central utility systems, sustainability, retro-commissioning, or facility modernization.
- Familiarity with California building codes, energy requirements, permitting processes, and local agency coordination.
- Experience with mechanical construction administration and field support.
- Experience leading or mentoring mechanical engineering staff.
- Established client and industry relationships in the San Diego and broader California market.
What Success Looks Like- Builds a reliable pipeline of California mechanical facilities opportunities and strengthens client relationships.
- Provides timely, actionable market intelligence that informs SESW Facilities growth strategy.
- Produces coordinated, accurate Revit deliverables while maintaining senior-level technical oversight.
- Supports winning pursuits and delivers responsive, high-quality client service.
- Helps develop the next generation of mechanical engineering professionals through mentoring and technical leadership.
