Senior Hydraulic (Plumbing & Sanitary) Engineer - Buildings MEP

We are seeking an experienced Senior Hydraulic (Plumbing & Sanitary) Engineer to join our Buildings MEP team in Jakarta. This role is ideal for a technically strong engineer who is passionate about delivering high-quality building services solutions and enjoys leading the design and delivery of complex hydraulic systems across a diverse range of projects.

You will play a key role in delivering plumbing, drainage, sanitary, stormwater, rainwater harvesting, and water supply systems while collaborating with multidisciplinary teams and clients. You will also contribute to the development of junior engineers through technical guidance, mentoring, and coaching.

Key Responsibilities

• Lead the design and delivery of hydraulic engineering packages across all project stages, from feasibility and concept design through to detailed design and construction support.
• Prepare and review engineering calculations, reports, specifications, schedules, and technical documentation.
• Design plumbing, sanitary, drainage, stormwater, rainwater, recycled water, and water supply systems for a variety of building sectors.
• Coordinate effectively with mechanical, electrical, fire, structural, architectural, and BIM disciplines to deliver integrated design solutions.
• Act as a technical lead on projects, ensuring designs are practical, compliant, and aligned with client requirements.
• Provide technical guidance, mentoring, and day-to-day support to junior engineers and BIM designers.
• Review and check design deliverables to maintain high standards of quality and technical excellence.
• Develop and maintain strong client relationships through regular engagement and proactive communication.
• Participate in client meetings, workshops, presentations, and technical discussions.
• Collaborate with regional teams across Indonesia, Australia, New Zealand, and Singapore to deliver projects efficiently.
• Contribute to continuous improvement initiatives, technical innovation, and knowledge sharing within the team.
• Maintain professional development and stay current with relevant industry standards, regulations, and best practices.

• Bachelor's degree in Mechanical Engineering, Civil Engineering, or equivalent.
• Minimum 7+ years' experience in a consulting engineering environment delivering building services projects.
• Strong technical expertise in plumbing, sanitary, drainage, stormwater, and water supply systems.
• Proven experience leading hydraulic design packages on medium to large-scale building projects.
• Sound knowledge of relevant Indonesian and international standards and design practices.
• Experience coordinating multidisciplinary engineering teams throughout project delivery.
• Strong client-facing and stakeholder management skills.
• Excellent communication and report-writing skills in both English and Bahasa Indonesia.
• Proficiency in relevant design and engineering software.
• Possession of, or progress towards, a relevant Indonesian SKK (Sertifikat Kompetensi Kerja) certification such as Plumbing & Sanitary Systems (SDP-PL), Mechanical Engineering, or equivalent professional engineering accreditation is highly desirable.

• A technically capable engineer with a passion for delivering high-quality engineering solutions.
• Someone who takes ownership of project outcomes and consistently delivers to a high standard.
• A collaborative team player who works effectively across disciplines and offices.
• A mentor who enjoys coaching and developing junior engineers and BIM designers.
• A confident communicator who can build trusted relationships with clients and project stakeholders.
• Someone comfortable working in a fast-paced consultancy environment across a variety of sectors and project types.
• A continuous learner who stays abreast of industry developments and emerging technologies.

• Opportunity to work on complex and high-profile projects across Indonesia and the wider Asia-Pacific region.
• Exposure to international project delivery and collaboration with regional technical experts.
• Opportunities to develop specialist technical expertise and design leadership skills.
• A collaborative, supportive, and high-performing team environment.
• Competitive salary and benefits package.
• Clear career development pathways and ongoing professional development support.

We are looking for a senior hydraulic engineer who combines strong technical capability with the ability to lead design delivery, engage confidently with clients, and support the growth of junior team members. This is not primarily a people-management role, but rather an opportunity for someone who enjoys being the technical lead on projects while helping others develop their skills and careers.