Senior Mechanical Design Engineer

Mechanical Design Engineer

JOB SUMMARY

We are looking for an experienced Mechanical Design Engineer with a minimum of 5 years of relevant engineering experience in STP, wastewater treatment, sewage treatment plants, pumping stations, plumbing systems, RO systems, piping systems, and mechanical equipment design.

The successful candidate will be responsible for mechanical engineering design, hydraulic calculations, equipment selection, piping design, P&IDs, PFDs, General Arrangement drawings, isometric drawings, technical specifications, equipment datasheets, technical reports, material submittals, shop drawing reviews, contractor technical submissions, and multidisciplinary project coordination.

KEY RESPONSIBILITIES

• Lead mechanical engineering design activities for STP, wastewater treatment, sewage treatment, plumbing, RO, pumping station, and industrial projects.

• Prepare preliminary and detailed mechanical engineering designs and design concepts.

• Perform hydraulic calculations for pumping stations, piping systems, pumps, mechanical equipment, and related systems.

• Select, size, and specify pumps, valves, piping, mechanical equipment, and associated systems.

• Prepare mechanical equipment datasheets, technical specifications, equipment schedules, and material schedules.

• Prepare General Arrangement drawings, piping layouts, piping isometric drawings, P&IDs, PFDs, equipment layouts, and mechanical engineering drawings.

• Prepare design calculations, technical reports, design reports, specifications, optioneering reports, and engineering documentation.

• Review mechanical design drawings, calculations, specifications, equipment datasheets, and technical documents.

• Review technical material submittals, shop drawings, equipment submissions, contractor technical submissions, and supplier proposals.

• Technically evaluate contractor and supplier submissions and identify technical deviations from project requirements.

• Coordinate mechanical requirements with electrical, civil, structural, process, instrumentation, architectural, and other disciplines.

• Coordinate with consultants, contractors, subcontractors, suppliers, clients, and internal project teams.

• Review equipment space requirements, access requirements, maintenance clearances, installation requirements, piping routes, and mechanical interfaces.

• Attend technical coordination meetings and support multidisciplinary design coordination.

• Support construction, installation, testing, commissioning, and project handover activities.

• Ensure engineering deliverables comply with project specifications, Qatar requirements, applicable codes, international standards, and contractual requirements.

• Manage assigned engineering deliverables and ensure completion within project schedule, cost, quality, and technical requirements.

• Work independently with minimum supervision and provide sound engineering judgment.

• Identify technical issues and develop practical and cost-effective engineering solutions.

• Support design optimization, value engineering, and engineering process improvement.

• Provide technical guidance and mentoring to junior engineers and project team members.

• Prepare technical presentations and communicate engineering solutions clearly to clients, consultants, contractors, suppliers, and internal teams.

REQUIRED EXPERIENCE

• Minimum 5 years of relevant professional engineering experience.

• Bachelor's degree in Mechanical Engineering or a related engineering discipline.

• Strong experience in STP and wastewater treatment projects.

• Strong experience in sewage and wastewater pumping stations.

• Experience in plumbing systems and RO systems.

• Experience in mechanical design and piping engineering.

• Strong experience in hydraulic calculations.

• Experience in pump selection, pump sizing, and mechanical equipment selection.

• Experience preparing P&IDs and PFDs.

• Experience preparing General Arrangement drawings and piping isometric drawings.

• Experience preparing equipment datasheets, technical specifications, and equipment schedules.

• Experience reviewing shop drawings and technical material submittals.

• Experience reviewing contractor technical submissions and equipment proposals.

• Experience coordinating mechanical systems with electrical and other engineering disciplines.

• Experience working with consultants, contractors, suppliers, and clients.

TECHNICAL SKILLS

Mechanical Engineering

Mechanical Design

MEP

STP

Wastewater Treatment

Sewage Treatment Plants

Pumping Stations

Plumbing

RO Systems

Piping Design

Hydraulic Calculations

Pump Selection

Pump Sizing

Mechanical Equipment Selection

P&ID

PFD

General Arrangement Drawings

Piping Isometric Drawings

Equipment Datasheets

Technical Specifications

Shop Drawings

Material Submittals

Contractor Technical Submissions

Design Calculations

Engineering Calculations

Technical Reports

Engineering Coordination

REQUIREMENTS

• MMUP/UPDA/MME engineering registration is required.

• Qatar project experience is highly preferred.

• Knowledge of Qatar Construction Specifications and relevant Qatar authority requirements is preferred.

MANDATORY REQUIREMENTS

• 5+ years of relevant engineering experience.

• Bachelor's degree in Mechanical Engineering.

• STP or wastewater treatment experience.

• Pumping station experience.

• Hydraulic calculation experience.

• P&ID and PFD experience.

• Pump selection and mechanical equipment selection experience.

• Piping design experience.

• AutoCAD experience.

• Microsoft Project experience.

• Valid Qatar MMUP/UPDA/MME engineering registration.