Lead Designer Mechanical - Wastewater/Water

📍 Job Overview

Job Title: Lead Designer Mechanical - Wastewater/Water

Company: AECOM

Location: Mumbai, Maharashtra, India

Job Type: Full-time

Category: Engineering / Water Infrastructure Operations

Date Posted: May 26, 2026

Experience Level: 7-10 Years

Remote Status: Hybrid

🚀 Role Summary

• Lead the development and implementation of Building Information Modeling (BIM) strategies for wastewater and water infrastructure projects.

• Drive the creation of high-quality 3D models and technical drawings using industry-standard software to meet project specifications and client requirements.

• Provide critical technical guidance and mentorship to design staff, fostering a culture of continuous improvement in digital design practices.

• Ensure the standardization and consistent application of BIM workflows, best practices, and design templates across multiple global offices to maintain quality and efficiency.

• Collaborate closely with project teams and technology managers to integrate advanced BIM applications and transition towards more holistic digital project delivery.

📝 Enhancement Note: This role is positioned as a "Lead Designer" with significant responsibilities in BIM implementation and technical mentorship, indicating a need for strong technical expertise and leadership potential within the mechanical design discipline for water and wastewater projects. The emphasis on global standards and cross-office collaboration suggests a strategic operational focus.

📈 Primary Responsibilities

• Lead the production of detailed 3D models and technical drawings for wastewater and water treatment projects using Building Information Modeling (BIM) systems, adhering strictly to project specifications and AECOM's content standards.

• Provide direct technical support and hands-on production assistance to assigned projects, ensuring timely and accurate generation of drawings and models that meet job requirements.

• Educate and guide office leadership and project teams on the effective utilization of BIM tools and methodologies, managing expectations for deliverables and digital project plans.

• Facilitate Mechanical Coordination phases by generating BIM documents for construction/bidding and actively participating in clash detection using Revit models to resolve design conflicts proactively.

• Mentor local Revit leadership and design staff, developing project-specific BIM implementation strategies and collaborating to ensure successful adoption and integration of BIM on projects.

• Standardize and meticulously document Revit workflows and best practices to enhance efficiency, quality, and consistency across design operations.

• Maintain and update global BIM standards and design templates to ensure a high quality and consistent design environment and deliverable output across AECOM's various international offices.

• Collaborate closely with the Design Technology Manager to guide the transition from traditional BIM practices to more integrated design processes and advanced digital deliverables.

📝 Enhancement Note: The responsibilities highlight a blend of hands-on design work, technical leadership, process standardization, and cross-functional collaboration, typical of a senior operations role focused on design technology and project delivery efficiency. The scope includes both project-specific execution and broader operational improvements.

🎓 Skills & Qualifications

Education:

• Diploma (or equivalent education) in an appropriate engineering discipline (Mechanical Engineering preferred) from an accredited college, institute, or university.

Experience:

• 7 to 10 years of progressive experience specifically within the wastewater and water industry.

Required Skills:

• BIM Proficiency: Expert-level command of Building Information Modeling (BIM) principles and applications.

• Software Expertise: Extensive hands-on experience with Revit for 3D modeling and coordination, AutoCAD for 2D drafting, and Microstation for design and engineering projects.

• Industry Knowledge: Deep understanding of mechanical design principles within the wastewater and water treatment sectors, including process flow, equipment integration, and piping systems.

• Technical Support & Mentorship: Ability to provide robust technical support to design staff and effectively mentor junior designers on BIM tools and project workflows.

• Workflow Standardization: Proven ability to define, document, and implement standardized workflows and best practices for design processes.

Preferred Skills:

• Professional Registration: Professional Engineer (PE) or equivalent registration in their designated home office country, or be in active pursuit of such registration.

• Clash Detection: Experience with Navisworks or similar tools for clash detection and resolution in BIM environments.

• Digital Integration: Familiarity with integrated design processes and the transition from traditional BIM to more advanced digital project delivery methods.

• Global Standards Management: Experience in developing and maintaining design standards and templates for a multinational organization.

📝 Enhancement Note: The qualifications emphasize a strong technical foundation in mechanical design for water infrastructure, coupled with high-level proficiency in essential BIM software. The preferred professional registration suggests an expectation for a certain level of engineering acumen and industry recognition.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• BIM Workflow Demonstrations: Showcase examples of implemented BIM workflows, illustrating the process from initial concept to final design deliverable for water/wastewater projects.

• 3D Modeling & Design Examples: Present high-quality 3D models and technical drawings produced using Revit, AutoCAD, and Microstation, highlighting complexity and adherence to project specifications.

• Clash Detection Case Studies: Include case studies demonstrating proactive identification and resolution of design clashes using BIM software, detailing the impact on project efficiency and cost savings.

• Standardization & Template Development: Provide evidence of contributions to the development, standardization, or maintenance of BIM standards, templates, or best practice documentation.

Process Documentation:

• Workflow Design and Optimization: Demonstrate experience in designing, documenting, and optimizing engineering workflows, particularly those involving BIM and mechanical design processes.

• Implementation and Automation: Illustrate successful implementation of BIM tools and workflows on projects, highlighting any automation efforts or efficiency improvements achieved.

• Performance Measurement: Show an understanding of how to measure the performance and impact of BIM implementation and standardized workflows, potentially through metrics related to design accuracy, coordination efficiency, or project delivery timelines.

📝 Enhancement Note: Applicants will be expected to provide concrete examples of their work, particularly demonstrating their proficiency with BIM software and their ability to contribute to process improvement and standardization within a design context. The portfolio should reflect a deep understanding of the mechanical design lifecycle in water infrastructure and the operational benefits of effective BIM utilization.

💵 Compensation & Benefits

Salary Range:

AECOM typically offers competitive compensation packages in India, which are benchmarked against industry standards for similar roles in Mumbai. For a Lead Designer Mechanical with 7-10 years of experience in the wastewater/water sector, the estimated annual salary range in Mumbai, India, would be approximately ₹12,00,000 to ₹20,00,000 (INR). This range can vary based on the candidate's specific qualifications, the complexity of their experience, and the prevailing market conditions at the time of hiring.

Benefits:

• Comprehensive Health Coverage: Medical, Dental, and Vision Insurance for employees and eligible dependents.

• Life and Disability Protection: Life Insurance and Accidental Death & Dismemberment (AD&D) Insurance, along with Disability Benefits.

• Time Off and Leave: Generous Paid Time Off (PTO) and various Leaves of Absence options.

• Voluntary Benefits & Perks: Access to a range of voluntary benefits and employee perks designed to enhance work-life balance and overall well-being.

• Flexibility and Support: Flexible Work Options, Well-being Resources, and an Employee Assistance Program (EAP) to support employee health and mental well-being.

• Retirement and Investment: Retirement Savings Plan and an Employee Stock Purchase Plan (ESPP) to support long-term financial goals.

• Additional Advantages: Business Travel Insurance and Service Recognition Awards to acknowledge employee contributions and support business travel needs.

Working Hours:

The standard working hours for this full-time position are typically 40 hours per week. AECOM operates on a hybrid work model, requiring employees to be in the office for at least three days per week, providing flexibility while ensuring in-person collaboration and team cohesion. Specific daily schedules may vary based on project needs and team coordination.

📝 Enhancement Note: The salary estimate is based on research for Lead Mechanical Designer roles in Mumbai with 7-10 years of experience in engineering, considering the company's global standing and the specialized nature of the water/wastewater industry. Benefits are comprehensive, reflecting AECOM's commitment to employee welfare and long-term financial security. The hybrid work model with specific office days is a key aspect of the work arrangement.

🎯 Team & Company Context

🏢 Company Culture

Industry: AECOM operates globally as a leader in infrastructure consulting, encompassing sectors such as Water, Environment, Energy, Transportation, and Buildings. The Water business line, in particular, is focused on providing solutions for water and wastewater management, treatment, and distribution. This role is within the Water business line's Enterprise Capabilities (EC) team, which acts as a global workshare and technical expertise hub.

Company Size: AECOM is a large, multinational corporation, a Fortune 500 firm with approximately 3,000 technical professionals in its Enterprise Capabilities (EC) group alone, and significantly more globally. This size offers stability, extensive resources, and opportunities for global collaboration.

Founded: AECOM has a long history, evolving through various acquisitions and growth phases, with its current structure reflecting decades of industry experience. This deep-rooted history contributes to a culture of expertise and a forward-thinking approach to infrastructure challenges.

Team Structure:

• Enterprise Capabilities (EC): This role is part of the EC team, which operates across geographic boundaries and time zones to provide specialized technical services and support regional project teams. The EC team is structured to fill capability gaps and resourcing needs globally.

• Reporting: The Lead Designer Mechanical will likely report to a BIM Manager, Design Technology Manager, or a Project Director within the EC or Water business line.

• Collaboration: Expect extensive cross-functional collaboration with design engineers, project managers, technology specialists, and teams in other AECOM offices worldwide. The role is central to bridging technical design needs with digital execution strategies.

Methodology:

• Data-Driven Design: AECOM emphasizes data-driven decision-making and leverages digital tools to inform design processes and project outcomes.

• Integrated Design Process: The company is transitioning towards more integrated design practices, where BIM plays a central role in coordinating disciplines and enhancing project delivery from concept to construction.

• Global Best Practices: A strong focus on standardizing and disseminating best practices across all operations to ensure consistent quality and efficiency.

Company Website: https://www.aecom.com/

📝 Enhancement Note: The context provided highlights AECOM's global reach and specialized capabilities within the water sector, with the Enterprise Capabilities (EC) function serving as a critical operational hub. The team structure emphasizes a distributed, collaborative model focused on leveraging technical expertise across geographies.

📈 Career & Growth Analysis

Operations Career Level: This "Lead Designer" position is situated at a senior individual contributor level, often considered a mid-to-senior role within the operations and design technology domain. It requires a blend of deep technical expertise in mechanical design and BIM, coupled with the ability to guide and mentor others. This role is pivotal in ensuring the successful technical execution and digital integration of complex water infrastructure projects.

Reporting Structure: The Lead Designer Mechanical will likely report to a Design Technology Manager or a Senior Engineering Manager within the Enterprise Capabilities (EC) division. They will work closely with project managers and other discipline leads, collaborating across various global AECOM offices.

Operations Impact: The role has a significant impact on operational efficiency and project success by:

• Ensuring Design Quality: Driving high-quality, accurate, and coordinated mechanical designs through BIM.

• Improving Project Delivery: Accelerating project timelines by reducing design clashes and streamlining coordination processes.

• Enhancing Efficiency: Standardizing workflows and implementing best practices to reduce rework and improve resource utilization.

• Facilitating Digital Transformation: Championing the adoption and advancement of BIM and digital design technologies across the organization.

Growth Opportunities:

• Technical Specialization: Opportunities to deepen expertise in advanced BIM applications, digital engineering, and specific areas of water/wastewater mechanical design.

• Leadership Development: Potential to progress into roles such as BIM Manager, Design Technology Lead, or Senior Project Engineer, with increased responsibilities for team management and strategic direction.

• Global Mobility: As part of a global organization, there may be opportunities to work on international projects or contribute to global initiatives, enhancing cross-cultural competence and broader industry exposure.

• Continuous Learning: AECOM's "Freedom to Grow" philosophy and award-winning training programs support continuous skill development, including advanced technical training and leadership courses.

📝 Enhancement Note: This role offers a strong growth path for individuals with a passion for both mechanical design in water infrastructure and the operational excellence driven by BIM. The emphasis on global standards and collaboration provides a unique platform for career advancement within a large, established engineering firm.

🌐 Work Environment

Office Type: AECOM offers a hybrid work environment. Employees are expected to work from an AECOM office location at least three days per week. This model blends the benefits of remote flexibility with the advantages of in-person collaboration, team building, and access to office resources.

Office Location(s): The primary location for this role is AECOM's office in Mumbai, India (Times Square). AECOM has numerous offices globally, and this role is part of the Enterprise Capabilities (EC) team, which supports projects across these various locations.

Workspace Context:

• Collaborative Spaces: The Mumbai office likely features collaborative workspaces designed to foster teamwork and idea sharing, crucial for a hybrid environment and cross-functional roles.

• Technology Infrastructure: Access to robust IT infrastructure, high-performance workstations, and the necessary software licenses for Revit, AutoCAD, Microstation, and other BIM/design tools.

• Team Interaction: Opportunities for regular interaction with local and global design teams, technology specialists, and management, facilitating knowledge exchange and problem-solving.

Work Schedule: The standard work schedule is approximately 40 hours per week. The hybrid model allows for flexibility in structuring the work week, with at least three days spent in the AECOM Mumbai office. This schedule is designed to accommodate the demands of project deadlines while promoting work-life balance.

📝 Enhancement Note: The hybrid work environment is a key feature, emphasizing AECOM's commitment to flexibility while ensuring the operational necessity of in-person collaboration for design and technology roles. The Mumbai office serves as a central hub for this role within the global EC structure.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: HR or Talent Acquisition will review applications, focusing on core qualifications, experience, and alignment with AECOM's values.

• Technical Interview: A panel interview with engineering leads and/or technology managers to assess technical proficiency in mechanical design, BIM software (Revit, AutoCAD, Microstation), and water/wastewater industry knowledge. Expect in-depth questions about design challenges and solutions.

• Portfolio Review: A dedicated session where candidates present their portfolio, showcasing specific projects, BIM workflows, 3D models, and examples of standardization or process improvement. This is a critical stage for demonstrating practical skills and operational impact.

• Behavioral & Cultural Fit Interview: Questions designed to evaluate leadership potential, collaboration skills, problem-solving approach, and alignment with AECOM's "Freedom to Grow" philosophy and company values.

• Final Interview: Potentially with senior leadership to discuss career aspirations, strategic contributions, and final alignment with the role and company.

Portfolio Review Tips:

• Curate Strategically: Select 3-4 of your most impactful projects that best demonstrate your skills in mechanical design, BIM implementation, and process standardization within the water/wastewater sector.

• Showcase Workflow: Clearly illustrate the BIM workflow used for each project, highlighting your specific contributions and the tools employed (Revit, AutoCAD, Microstation).

• Quantify Impact: Wherever possible, use metrics to demonstrate the positive outcomes of your work, such as reduced design clashes, improved coordination efficiency, or time/cost savings achieved through standardized processes.

• Prepare a Presentation: Develop a concise and visually engaging presentation. Be ready to walk through your models and drawings, explaining your design decisions and process methodologies.

• Highlight Standardization Efforts: If you have contributed to developing or implementing BIM standards, templates, or best practices, dedicate specific slides to showcase this operational contribution.

Challenge Preparation:

• BIM Workflow Scenario: Be prepared for a scenario-based question asking how you would implement or improve BIM workflows for a new water treatment project, considering global standards and local resources.

• Technical Problem-Solving: Anticipate questions about resolving complex mechanical design issues or design clashes in a BIM environment. Practice articulating your thought process clearly.

• Mentorship and Training: Prepare to discuss your experience in mentoring junior staff or training teams on new software or processes.

📝 Enhancement Note: The interview process emphasizes a thorough evaluation of technical skills, practical application through a portfolio, and cultural fit. A well-prepared portfolio that clearly articulates the candidate's operational contributions to design efficiency and quality is paramount.

🛠 Tools & Technology Stack

Primary Tools:

• BIM Software: Expert proficiency required in Revit for 3D modeling, parametric design, and project coordination.

• CAD Software: Advanced working experience with AutoCAD for 2D drafting and design, and Microstation for engineering design and visualization.

• Coordination Tools: Experience with Navisworks or similar platforms for BIM model aggregation, clash detection, and design review is highly preferred.

Analytics & Reporting:

• Data Visualization: Familiarity with tools for visualizing design data and project progress, though not explicitly stated, is beneficial.

• Project Management Software: Understanding of how BIM data integrates with project management platforms for tracking progress and deliverables.

CRM & Automation:

• Not Directly Applicable: This role is primarily focused on design technology and engineering processes, rather than sales or customer relationship management. Automation would primarily refer to workflow automation within the design software and BIM environment.

• Workflow Automation: Experience with scripting or plugins within Revit or AutoCAD to automate repetitive tasks and improve design efficiency.

📝 Enhancement Note: The core technical requirements revolve heavily around BIM software proficiency, with Revit, AutoCAD, and Microstation being the non-negotiable tools. Experience in coordination and clash detection software like Navisworks is a significant advantage, highlighting the operational aspect of ensuring design integrity.

👥 Team Culture & Values

Operations Values:

• Excellence in Delivery: A commitment to high-quality, technically sound, and efficient project delivery, underpinned by robust design processes and technologies.

• Innovation & Continuous Improvement: Embracing new technologies and methodologies, such as advanced BIM applications and integrated design, to constantly enhance operational performance.

• Collaboration & Teamwork: Fostering a collaborative environment where knowledge is shared freely across disciplines and global teams to achieve common project goals.

• Integrity & Trust: Upholding professional standards, ethical conduct, and building trust with colleagues, clients, and stakeholders through reliable performance.

• Global Mindset: Valuing diverse perspectives and working effectively across different cultures and time zones, as exemplified by the Enterprise Capabilities team structure.

Collaboration Style:

• Cross-Functional Integration: Actively engaging with mechanical engineers, other design disciplines (structural, electrical, architectural), project managers, and technology specialists to ensure seamless project execution.

• Proactive Communication: Maintaining open and clear communication channels, especially in a hybrid and global setting, to address challenges, share updates, and solicit feedback.

• Knowledge Sharing: Participating in and contributing to knowledge-sharing sessions, best practice forums, and mentoring initiatives to elevate the collective technical capabilities of the design teams.

📝 Enhancement Note: AECOM's culture, particularly within its global Enterprise Capabilities, emphasizes a strong balance between technical excellence, operational efficiency, and collaborative work practices. The "Freedom to Grow" philosophy suggests an environment that encourages personal and professional development.

⚡ Challenges & Growth Opportunities

Challenges:

• Global Standardization vs. Local Needs: Balancing the need for consistent global BIM standards with the specific requirements and capabilities of different regional offices and project teams.

• Adoption of New Technologies: Driving the adoption of advanced BIM features and integrated design processes among teams accustomed to traditional methods, requiring effective change management and training.

• Remote Collaboration Coordination: Ensuring seamless coordination and effective communication among team members distributed across different time zones and working in a hybrid model.

• Technical Problem-Solving: Addressing complex mechanical design challenges and resolving clashes in large, multidisciplinary BIM models requires deep technical expertise and analytical skills.

Learning & Development Opportunities:

• Advanced BIM Training: Access to specialized training on cutting-edge BIM software features, computational design, and digital twin technologies.

• Industry Conferences & Certifications: Opportunities to attend leading industry conferences (e.g., Autodesk University, regional engineering forums) and pursue relevant professional certifications in BIM or mechanical engineering.

• Mentorship Programs: Participation in AECOM's mentorship programs, either as a mentee to learn from senior leaders or as a mentor to develop leadership and coaching skills.

• Cross-Disciplinary Exposure: Working on diverse projects across the water sector and potentially other infrastructure areas, offering broad exposure and skill diversification.

📝 Enhancement Note: The role presents opportunities to tackle significant operational challenges in global design technology implementation, with corresponding growth in leadership, technical specialization, and strategic thinking within the infrastructure sector.

💡 Interview Preparation

Strategy Questions:

• BIM Implementation Strategy: "Describe how you would develop and implement a standardized BIM workflow for a large-scale wastewater treatment plant project, considering global standards and local team capabilities." (Focus on your process, stakeholder engagement, and change management approach.)

• Technical Problem-Solving: "Walk us through a complex mechanical design challenge you encountered on a water infrastructure project and how you resolved it using BIM tools. What was the impact of your solution?" (Highlight your analytical skills, software proficiency, and ability to quantify results.)

• Mentorship and Training Approach: "How do you approach mentoring junior designers on BIM best practices and ensuring consistent adoption of new technologies across a team?" (Emphasize your communication, training, and leadership style.)

Company & Culture Questions:

• AECOM's Values: "How do you see your skills and experience aligning with AECOM's 'Freedom to Grow' philosophy and our commitment to delivering a better world?" (Research AECOM's mission and values, and connect them to your professional aspirations and operational contributions.)

• Hybrid Work Environment: "How do you ensure effective collaboration and maintain productivity in a hybrid work environment and within a globally distributed team?" (Discuss your strategies for communication, task management, and team engagement.)

• Operational Impact: "Can you provide an example of how you have improved operational efficiency or design quality through your work on BIM or mechanical design processes?" (Be ready with specific, quantifiable achievements.)

Portfolio Presentation Strategy:

• Narrative Arc: Structure your portfolio presentation with a clear beginning (project goals/challenges), middle (your process, tools, and solutions), and end (outcomes, impact, lessons learned).

• Visual Aids: Use high-quality screenshots of your 3D models, drawings, and workflow diagrams. Keep text on slides concise and let your verbal explanation elaborate.

• Quantifiable Results: For each project, emphasize metrics related to design accuracy, coordination efficiency, time savings, or cost reductions achieved through your efforts.

• Focus on Process: Clearly articulate the BIM processes, standards, and workflows you employed, demonstrating your understanding of operational best practices.

• Engagement: Be prepared to answer detailed questions about your work and engage in a dynamic discussion about your contributions.

📝 Enhancement Note: Interview preparation should focus on demonstrating not just technical proficiency, but also a strategic understanding of BIM's operational impact, leadership potential, and a proactive approach to collaboration within a global, hybrid work structure.

📌 Application Steps

To apply for this Lead Designer Mechanical - Wastewater/Water position:

• Submit your application through the AECOM careers portal via the provided link.

• Portfolio Customization: Tailor your resume and cover letter to highlight your specific experience in mechanical design for wastewater/water projects, emphasizing your proficiency with Revit, AutoCAD, and Microstation, and any experience with BIM standardization or workflow optimization.

• Resume Optimization: Ensure your resume clearly details your 7-10 years of experience, focusing on achievements and responsibilities that align with the job description, such as leading design efforts, providing technical support, and implementing BIM processes. Use keywords from the job description naturally.

• Portfolio Preparation: Assemble a concise portfolio showcasing your best work. Include examples of 3D models, technical drawings, and case studies demonstrating BIM workflow implementation, clash detection, and any process improvement initiatives. Be ready to present this effectively.

• Company Research: Thoroughly research AECOM, its Water business line, and its Enterprise Capabilities (EC) function. Understand their recent projects, company values, and approach to digital transformation to tailor your responses and demonstrate genuine interest.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.