We are seeking a qualified **Mechanical Engineer** with valid **UPDA Grade** and **QCDD certification** to join our team in Doha. **Responsibilities:** * Design, supervise, and inspect mechanical systems including HVAC, firefighting, and plumbing. * Ensure compliance with QCDD, Kahramaa, and local authority standards. * Coordinate with consultants, contractors, and clients for project execution. * Prepare technical drawings, BOQs, and documentation for approvals. * Conduct site inspections to maintain quality and safety standards. **Qualifications:** * Valid **UPDA Grade (A/B/C)** and **QCDD Certification** – mandatory. * Minimum **5 years of experience** in mechanical design and site supervision (preferably in Qatar). * Strong knowledge of **QCS, QCDD, and local authority regulations**. * Transferable visa with NOC preferred. Job Type: Full\-time License/Certification: * UPDA Grade Certificate (Required) * QCDD Certificate (Required)