Jobs at Loureiro Engineering Associates, Inc.

Mechanical Engineering Intern supporting HVAC, plumbing, and energy-system design for commercial, institutional, and public-sector facilities. Responsibilities include assisting with system layouts, preparing construction drawings and specifications, conducting field surveys, performing supervised engineering calculations, and using AutoCAD and Revit. The intern will collaborate with multidisciplinary teams, participate in client coordination, and gain hands-on experience in sustainable building-system design.

Directs accounting and financial reporting operations, including project accounting, financial statements, budgeting, forecasting, compliance, audits, internal controls, cash management, and risk mitigation. Leads the accounting department, supports management decision-making with financial analysis, oversees working capital and debt obligations, and partners with operational leaders to improve financial performance and reporting accuracy.

Paid wastewater engineering internship supporting the design and evaluation of wastewater collection systems, pump stations, and treatment facilities. Responsibilities include hydraulic calculations, engineering drawings, site visits, condition assessments, standards and regulatory research, permit support, report preparation, and multidisciplinary coordination under licensed engineers. Candidates should be Chemical or Environmental Engineering students with at least a 3.0 GPA and strong communication skills.

Paid Business Development Internship supporting lead generation, prospecting, client database management, market research, sales support, forecasting, reporting, and client relationship development. The intern will collaborate with business development and marketing teams, contribute to strategic initiatives, respond to client inquiries, and participate in cross-functional projects. The role is based in Plainville, Connecticut, with travel as needed.

Paid marketing internship supporting content development, proposal preparation, client-facing events, social media, videos, website materials, client research, AEC marketing trend analysis, brand consistency, business development initiatives, and administrative tasks. The role requires creativity, organization, initiative, teamwork, and proficiency with Microsoft Office and Adobe Creative Cloud or related graphic tools.

Lead technical and construction oversight for environmental remediation projects. Responsibilities include remedial system design, contractor oversight, field sampling, environmental investigations, regulatory compliance, technical writing, data analysis, scheduling, health and safety planning, and project documentation. The role requires collaboration with multidisciplinary teams and short-term travel to project sites.