Principal Engineer - Water and Wastewater
Job Description and Requirements
Principal Engineer - Water and WastewaterJob Snapshot
Role: Principal Engineer
Location: Abu Dhabi, UAE
Industry: Civil Engineering
Function: Civil & Structural Engineering
Experience: 15-20 years, including minimum 5 years in UAE-GCC
Job Type: Full Time
Position Overview
Parsons is seeking a Principal Engineer - Water and Wastewater in Abu Dhabi, UAE to lead complex engineering and design activities for wastewater infrastructure projects. The role requires advanced civil engineering expertise across wastewater collection, conveyance, disposal, hydraulic modeling, pumping systems, treatment infrastructure, and utility coordination.
The Principal Engineer will independently lead design engineers, hydraulic modelers, and drafting personnel while overseeing calculations, models, specifications, reports, material requirements, supplier submissions, and authority approvals. The position requires substantial knowledge of Gulf utility regulations together with hands-on experience using specialist hydraulic modeling and design software.
Job Details
Country: UAE
City: Abu Dhabi
Industry: Civil Engineering
Function: Civil & Structural Engineering
Salary:
Gender: No Preference
Candidate Nationality: Not specified
Job Type: Full Time
Work Arrangement: On-site
Water and Wastewater Engineering
- Perform complex engineering and design assignments using advanced civil engineering principles and available project data.
- Lead the design of wastewater collection, conveyance, and disposal networks.
- Independently prepare and supervise fundamental engineering computations.
- Develop material quantity takeoffs, estimates, surveys, and engineering designs.
- Prepare detailed requisitions for materials, services, and subcontracts.
- Develop technical specifications and detailed design reports.
- Apply appropriate engineering standards and authority requirements throughout design development.
- Support planning and design activities for centralized and decentralized wastewater systems.
Hydraulic Modeling and Network Design
The Principal Engineer will provide technical leadership for hydraulic analysis and wastewater network design, including the development and review of engineering models.
- Develop hydraulic models for gravity wastewater networks.
- Lead hydraulic model development and associated engineering analysis.
- Use Bentley SewerCAD and SewerGEMS for network modeling and design.
- Apply InfoSWMM and InfoWorks CS to relevant hydraulic modeling activities.
- Review model assumptions, inputs, outputs, and design implications.
- Prepare supporting hydraulic calculations and design reports.
- Perform load and demand calculations for large private developments and government projects.
- Coordinate network design requirements with wider utility infrastructure.
Wastewater Infrastructure
- Apply working knowledge of primary, secondary, and tertiary wastewater treatment systems.
- Support planning and design of sewerage infrastructure.
- Develop engineering requirements for wastewater pumping systems.
- Consider passive and active wastewater systems where applicable.
- Address sludge and effluent management requirements within relevant designs.
- Integrate wastewater facilities with collection and conveyance infrastructure.
- Support engineering development across different stages of wastewater system planning and design.
Design Reviews and Technical Documentation
- Independently review supplier drawing submittals.
- Perform technical bid analyses.
- Supervise preparation and issuance of engineering specifications.
- Review and prepare technical data sheets.
- Coordinate preparation of construction documentation.
- Provide technical input to CAD Designers and Drafters.
- Undertake CAD-related activities when required.
- Use specialist 3D software for engineering model creation.
- Review design outputs produced by multidisciplinary team members.
- Maintain technical consistency across calculations, drawings, models, specifications, and reports.
Utility Coordination and Authority Compliance
- Apply relevant Water, Irrigation, and Firefighting Authority requirements to project designs.
- Work with requirements associated with DEWA, ADDC, ADWEA, DM, ADM, DCD, ADCD, and other applicable Gulf authorities.
- Prepare utility cross sections in accordance with local authority requirements, including DMT requirements in Abu Dhabi.
- Apply relevant British and American codes to wastewater system design.
- Incorporate applicable DEWA and DM requirements where relevant.
- Liaise with service provider agencies and regulatory authorities.
- Coordinate submissions required for No Objection Certificates.
- Support the process of obtaining design approvals.
- Address authority comments and requirements during design development.
Design Team Leadership
The role requires demonstrated experience managing small to medium-sized engineering design teams and coordinating specialist technical resources.
- Independently lead design engineers, hydraulic modelers, and drafting personnel.
- Assign and coordinate technical design activities.
- Provide engineering direction throughout design development.
- Review technical outputs prepared by team members.
- Maintain consistency between engineering calculations, hydraulic models, drawings, and reports.
- Guide team members in resolving complex wastewater design issues.
- Coordinate multidisciplinary inputs affecting water and wastewater infrastructure.
What Required Skills You\'ll Bring
- Four-year degree in Civil Engineering.
- Master\'s degree in a water-related discipline.
- Approximately 15-20 years of relevant professional experience.
- Minimum 5 years of experience in the UAE or GCC.
- Advanced experience in wastewater network planning and design.
- Proven experience leading wastewater design teams.
- Strong knowledge of collection, conveyance, and wastewater disposal systems.
- Experience developing hydraulic models for gravity networks.
- Proficiency with Bentley SewerCAD and SewerGEMS.
- Experience with InfoSWMM and InfoWorks CS.
- Knowledge of centralized and decentralized wastewater systems.
- Understanding of wastewater treatment, pumping, sewerage, sludge, and effluent management.
- Experience preparing technical specifications and design reports.
- Ability to prepare engineering calculations, estimates, quantity takeoffs, and technical documentation.
- Experience reviewing supplier drawings and technical bids.
- Familiarity with relevant Gulf utility authorities and approval processes.
- Knowledge of British and American engineering codes applicable to wastewater systems.
- Experience coordinating No Objection Certificates and design approvals with service provider agencies.
- Demonstrated engineering team management experience.
Preferred Qualifications
Professional qualifications such as PE, CIWEM, ICE, or equivalent are preferred.
Role Impact
The Principal Engineer will provide senior technical leadership across the development of wastewater infrastructure solutions, connecting hydraulic modeling, network design, treatment and pumping requirements, authority compliance, and multidisciplinary coordination. The role will help ensure technically robust designs are developed, reviewed, documented, and progressed through the required approval processes.
About Parsons
Parsons brings multidisciplinary expertise to major infrastructure, engineering, water, wastewater, and urban development programs. Its engineering teams support complex projects through planning, design, technical coordination, authority interfaces, and project delivery.



