3 engineer iii or iv jobs found

Job Summary TDIndustries is seeking a highly technical Mechanical Engineer III or IV to support commercial construction projects during pre-construction and construction phases. This role is ideal for an experienced consulting engineer or design build engineer who enjoys deep technical work, problem solving, and design excellence rather than formal people management. The engineer will serve as a subject-matter expert across HVAC and plumbing systems, supporting a wide range of market sectors and project types. Essential Duties Design and analyze HVAC and plumbing systems for commercial, institutional, and industrial facilities from concept through construction. Provide technical engineering support during design-build and design-assist projects, including constructability reviews and technical recommendations. Perform advanced engineering calculations including heating and cooling loads, hydronics, plumbing fixture units, and energy analysis. Serve as a technical...

About the job Manufacturing Engineer, Solid Rocket Motors Why Castelion, Why Now Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts. This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact. Manufacturing Engineer - Solid Rocket Motors Castelion is seeking a Manufacturing Engineer to support the development of the solid rocket motor systems required for the design and build of long-range hypersonic strike vehicles. This will be a full-time, exempt position located in our Midland, TX facility. As a Manufacturing Engineer, you will work closely with our engineering teams to execute highly technical solid rocket motor builds...

Job Description I. Job Summary The Director, Corporate Engineering provides strategic and operational leadership for the company's engineering function across landfill operations, renewable energy assets, and environmental compliance initiatives. This role is responsible for developing engineering standards, leading capital project planning, driving operational excellence, and ensuring engineering activities support the company's safety, sustainability, regulatory, and financial objectives. The Director partners closely with Operations, Environmental Compliance, Sustainability, Renewable Energy, Fleet, Finance, Procurement, Legal and senior leadership teams to deliver complex capital projects, improve asset reliability, optimize operating performance, and support long-term business growth. II. Essential Duties and Responsibilities Management of the monthly processes associated with Landfill Capital projects submitted for review at WM investment committee meetings....