Mechanical​/Plumbing Engineering Team Lead - Proposal Contingent

GPTech is a global energy and infrastructure consulting firm passionate about engineering and energizing a future for all. We are a close-knit team of highly qualified technical and development professionals dedicated to making a lasting impact.

Working at the intersection of energy, infrastructure, and development, GPTech provides solutions to government agencies, quasi-government organizations, multilateral financial institutions, and utilities with sizable investments in energy and infrastructure.

Providing comprehensive services for the entire project lifecycle, we deliver solutions to help clients save money, enhance operations, protect the environment, and achieve sustainable impacts. We are a trusted partner for delivering solutions through ongoing engagement and continuous improvement. As a small business, we are proud of our big results. After just 16 years in business, GPTech has successfully supported more than 100 projects for over 30 clients in over 75 countries, with no sign of slowing down.

Today, we are one of the world’s leaders in employing innovative energy and engineering solutions to sustainably manage the earth’s resources and support resilient, thriving communities. Visit  for more information.

GPTech is seeking an experienced Mechanical/Plumbing Engineering Team Lead to support our team's proposal for the U.S. Department of State, Bureau of Overseas Buildings Operations (OBO), Worldwide Architecture and Engineering (A/E) Support Services IDIQ (RFP 19

AQMM
26R0258). This is a proposal‑contingent consulting opportunity with potential for long‑term engagement supporting diplomatic facilities and other U.S. Government infrastructure programs worldwide.

The Mechanical/Plumbing Engineering Team Lead will provide senior technical leadership for the planning, assessment, design, modernization, and rehabilitation of mechanical and plumbing systems serving diplomatic facilities and associated infrastructure. Assignments may include complex, multi‑phased building and infrastructure upgrades, renovations of occupied facilities, central plant improvements, and modernization of critical building systems.

The successful candidate will bring demonstrated expertise in mechanical and plumbing engineering design, multidisciplinary coordination, and technical problem‑solving, with the ability to develop and evaluate innovative, practical solutions that address operational requirements, constructability, reliability, energy efficiency, sustainability, resilience, and lifecycle costs.

The position may involve both direct engineering design responsibilities and independent technical advisory or design review services, depending on individual task‑order requirements.

• Lead and perform mechanical and plumbing engineering assessments, planning, design, and technical evaluations for new construction, renovations, infrastructure upgrades, and facility modernization projects.
• Develop and review engineering designs, calculations, specifications, drawings, technical reports, and construction documents through successive stages of design development.
• Provide technical expertise in heating, ventilation, and air conditioning (HVAC); chilled and hot water systems; central utility plants; building automation and controls; domestic water supply; sanitary and storm drainage; and related mechanical and plumbing infrastructure.
• Evaluate existing mechanical and plumbing systems, identify deficiencies, capacity limitations, and operational vulnerabilities, and develop technically sound, cost‑effective solutions for rehabilitation, replacement, or modernization.
• Assess system performance, reliability, redundancy, resilience, maintainability, indoor environmental quality, water efficiency, and…