MOT Principal Designer

📍 Job Overview

Job Title: MOT Principal Designer (3D ORD Modeler)

Company: Parsons Corporation

Location: USA TN (Virtual Office) - Remote

Job Type: Full time

Category: Engineering / Design Operations

Date Posted: July 27, 2026

Experience Level: 10+ Years

Remote Status: Fully Remote

🚀 Role Summary

• Lead the 3D modeling of Maintenance of Traffic (MOT) and construction staging for large-scale transportation infrastructure projects, utilizing OpenRoads Designer (ORD) and related platforms.

• Develop and implement advanced 3D CADD standards, templates, and workflows specifically for MOT design on major programs, ensuring consistency and efficiency.

• Provide crucial technical guidance, training, and mentorship to junior designers and engineers on 3D modeling best practices and MOT design principles.

• Collaborate closely with multi-disciplinary teams to integrate MOT models with roadway, structures, and utility designs, ensuring clash-free environments and adherence to digital delivery requirements.

• Support design-build and P3 project teams by performing rapid model updates and evaluating various MOT alternatives to optimize project outcomes.

📝 Enhancement Note: While the job title is "MOT Principal Designer," the core responsibilities and required skills strongly indicate a specialized role within design operations, focusing on the technical execution and strategic implementation of 3D modeling for traffic management and construction phasing. This role requires deep expertise in specific CAD software and a nuanced understanding of transportation project lifecycles, aligning it with advanced operations and design technology functions.

📈 Primary Responsibilities

• Lead the comprehensive 3D modeling of Maintenance of Traffic (MOT) plans and construction staging strategies utilizing industry-leading software such as OpenRoads Designer (ORD).

• Develop integrated 3D models that accurately depict temporary alignments, cross-sections, traffic control devices, barriers, and phased construction sequences for complex infrastructure projects.

• Proactively coordinate 3D MOT models with other discipline models (roadway, structures, utilities, etc.) to identify and resolve clashes, ensuring design integrity and constructability.

• Produce high-quality, model-based deliverables including plan sheets, visualizations, and reports to effectively support design reviews, client presentations, and construction execution.

• Establish and refine 3D CADD standards, templates, and optimized workflows for MOT design to ensure consistency, efficiency, and adherence to project requirements across large programs.

• Serve as a primary technical resource, offering expert guidance, hands-on training, and mentorship to junior designers and engineers in 3D modeling techniques and MOT design best practices.

• Provide essential support to design-build and Public-Private Partnership (P3) teams by delivering rapid model iterations and conducting scenario analyses for various MOT alternatives.

• Conduct thorough Quality Assurance/Quality Control (QA/QC) reviews of 3D models, verifying compliance with client specifications and Parsons' digital delivery standards.

📝 Enhancement Note: The primary responsibilities highlight a blend of technical execution and strategic leadership within the design operations domain. The emphasis on "leading" 3D modeling, developing standards, and providing mentorship suggests a Principal-level role that influences project methodology and team development, not just individual contribution.

🎓 Skills & Qualifications

Education:

• Associate degree in Drafting/Design Technology or a closely related technical field, or equivalent practical experience. Experience:

• A minimum of 10 years of dedicated experience in transportation CADD production, with a significant focus on advanced 3D modeling techniques and applications. Required Skills:

• Substantial demonstrated experience in developing complex 3D models specifically for roadway design or Maintenance of Traffic (MOT) applications on large-scale infrastructure projects.

• Proficiency with OpenRoads Designer (ORD) or comparable advanced 3D transportation design software.

• Deep understanding of CADD standards, efficient workflows, and robust file management practices essential for managing large and complex project datasets.

• Excellent communication and interpersonal skills, with a proven ability to collaborate effectively within multi-disciplinary engineering and design teams.

• Strong grasp of QA/QC principles for 3D models and digital deliverables. Preferred Skills:

• Direct experience on large Design-Build or P3 projects, particularly those leveraging model-based delivery for MOT and construction staging.

• Familiarity and experience with visualization tools and platforms that integrate with 3D models, such as LumenRT, Navisworks, or similar software.

• Proven experience in developing CADD standards, implementing new workflows, or leading digital delivery initiatives for engineering projects.

• Demonstrated ability and experience in providing formal training or informal mentorship on 3D modeling tools and design workflows.

• Understanding of Building Information Modeling (BIM) processes and the specific data requirements for modern transportation projects.

📝 Enhancement Note: The qualifications clearly point to a senior-level role requiring specialized technical expertise in 3D modeling for transportation infrastructure, specifically MOT. The distinction between "Required" and "Desired" skills helps candidates understand where to focus their application and highlight their most relevant experience.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase comprehensive 3D MOT models that demonstrate effective construction staging and traffic management strategies.

• Provide examples of integrated 3D models that illustrate successful coordination across multiple engineering disciplines (roadway, structures, utilities).

• Include case studies of developed CADD standards, templates, or workflows implemented for MOT design on complex projects.

• Present examples of model-based deliverables that effectively communicate design intent for review and construction. Process Documentation:

• Demonstrate experience in designing and documenting optimized workflows for 3D MOT modeling, from initial concept through to final deliverable.

• Highlight processes for implementing and automating repetitive modeling tasks to enhance efficiency and reduce errors.

• Showcase methods for measuring and reporting on the performance and quality of 3D models and digital deliverables, including adherence to client requirements.

📝 Enhancement Note: For a Principal Designer role, a strong portfolio is crucial. The emphasis on process documentation and system implementation reflects the strategic and leadership aspects of the position, beyond just technical modeling skills.

💵 Compensation & Benefits

Salary Range: $42.50 - $74.38 per hour

• This hourly range reflects the compensation for a Principal Designer role, taking into account the extensive experience required (10+ years), specialized technical skills in 3D MOT modeling with OpenRoads Designer, and the senior level of responsibility. The higher end of the range is typically for candidates with exceptional qualifications and extensive experience on large-scale, complex projects, potentially including Design-Build or P3 environments. Benefits:

• Comprehensive Medical, Dental, and Vision insurance plans.

• Generous Paid Time Off (PTO) to support work-life balance.

• Employee Stock Ownership Plan (ESOP), providing employees with ownership in the company's success.

• 401(k) retirement savings plan with potential company matching.

• Life insurance coverage for peace of mind.

• Flexible work schedules to accommodate varying needs and optimize productivity.

• Paid holidays to observe national and cultural celebrations. Working Hours:

• Standard full-time hours, typically 40 hours per week. The remote nature of the role offers flexibility in daily scheduling, allowing for effective virtual collaboration with teams across different time zones while maintaining core working hours for team synchronization.

📝 Enhancement Note: The provided salary range is specific and hourly, which is common for some engineering and design roles in the US. The benefits package is robust, typical for a large, established engineering firm like Parsons, and includes valuable long-term incentives like an ESOP.

🎯 Team & Company Context

🏢 Company Culture

Industry: Engineering, Construction, Design, Technology Solutions, Critical Infrastructure

Company Size: Over 16,000 employees worldwide. This large size indicates a well-established organization with extensive resources, diverse project opportunities, and structured career paths, offering stability and significant career growth potential for operations professionals.

Founded: Over 80 years ago. This long history signifies deep industry expertise, a strong reputation, and a proven track record in delivering complex infrastructure projects, fostering a culture of reliability and innovation.

Team Structure:

• The role is part of the Critical Infrastructure team, focusing on large transformative transportation projects. This implies working within a specialized division with deep domain expertise.

• The team structure likely involves a hierarchical reporting system common in large engineering firms, with the Principal Designer reporting to a Design Manager or Project Manager.

• Cross-functional collaboration is paramount, requiring seamless integration with roadway engineers, structural engineers, utility coordinators, construction managers, and other design disciplines. Methodology:

• Parsons emphasizes a data-driven approach to project delivery, utilizing advanced modeling and digital tools to inform design decisions and optimize project outcomes.

• Workflow planning and optimization are key, especially for a Principal Designer responsible for setting standards and improving processes.

• A strong focus on automation and efficiency practices is evident through the need for advanced 3D modeling and digital delivery initiatives.

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

📝 Enhancement Note: Parsons' established presence and focus on critical infrastructure, particularly large transportation projects, create a dynamic environment for design operations professionals. The company's size and history suggest a culture that values expertise, innovation, and long-term employee development.

📈 Career & Growth Analysis

Operations Career Level: Principal Designer. This signifies a senior-level position requiring extensive technical expertise, leadership capabilities, and the ability to influence design processes and standards. It's a role that moves beyond individual contribution to mentoring and strategic process development within the design operations function.

Reporting Structure: The Principal Designer will likely report to a Design Manager, Project Manager, or a Director of Engineering within the Critical Infrastructure division. This position will also involve mentoring and guiding junior designers and engineers.

Operations Impact: This role directly impacts project success by ensuring efficient, accurate, and constructible MOT designs. The quality of 3D models and adherence to standards directly influence project timelines, budgets, safety, and stakeholder satisfaction on multi-billion dollar infrastructure projects.

Growth Opportunities:

• Specialization & Leadership: Advance into roles such as Lead Designer, BIM Manager, or Technical Director for major transportation programs, taking on greater responsibility for design strategy and execution.

• Process Improvement & Innovation: Lead initiatives for digital transformation, CADD standard development, and the adoption of new modeling technologies within the organization.

• Mentorship & Training: Develop expertise in training and mentoring, becoming a go-to resource for 3D MOT design best practices across the company.

• Project Management: Transition into project management roles, leveraging deep technical understanding to oversee project delivery.

📝 Enhancement Note: The "Principal" title indicates a clear career progression path within Parsons, emphasizing not just technical mastery but also leadership and strategic influence within the design and operations domain.

🌐 Work Environment

Office Type: This position is designated as fully remote, offering significant flexibility in work location. While there isn't a physical office requirement, the company emphasizes virtual collaboration and connectivity.

Office Location(s): While the job is posted for "USA TN (Virtual Office)", the description mentions supporting large projects in Tennessee, Georgia, North Carolina, Virginia, and Indiana. This implies that while the role is remote, there might be a preference or need to align with project locations for occasional virtual team meetings or potential, though unlikely, site visits.

Workspace Context:

• The remote setup necessitates a highly collaborative virtual environment. Professionals will leverage digital communication tools and platforms for seamless interaction with colleagues across different locations and time zones.

• The role requires access to powerful workstations and specific software licenses (OpenRoads Designer, etc.) which may be provided by Parsons or require the candidate to have suitable personal equipment.

• Opportunities for interaction will be primarily through virtual meetings, project management software, and collaborative design platforms. Work Schedule:

• Standard 40-hour work week. The remote arrangement provides flexibility in daily scheduling, allowing individuals to manage their time effectively while ensuring availability for critical team syncs and project deadlines. This flexibility is beneficial for operations roles that require deep focus periods interspersed with collaborative sessions.

📝 Enhancement Note: The fully remote nature is a key aspect, emphasizing the need for self-discipline and strong virtual communication skills. The mention of supporting projects in specific states suggests that candidates in or near those regions might be preferred, or at least that the work will be heavily integrated with teams operating in those areas.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your resume and application materials, with a strong emphasis on your experience with OpenRoads Designer, 3D MOT modeling, and large-scale transportation projects.

• Technical Interview: This stage will likely involve detailed questions about your experience with 3D modeling concepts, MOT design principles, CADD standards, and your proficiency in OpenRoads Designer. Expect scenario-based questions related to clash detection and problem-solving.

• Portfolio Review: A dedicated session where you will present and discuss your portfolio. Be prepared to walk through specific examples of your 3D MOT models, explain your design process, highlight challenges overcome, and demonstrate the impact of your work.

• Behavioral/Cultural Fit Interview: Questions designed to assess your collaboration skills, communication style, problem-solving approach, and how you align with Parsons' values and team dynamics.

• Final Interview: May involve senior leadership to discuss the strategic impact of the role and your long-term career aspirations within Parsons.

Portfolio Review Tips:

• Curate Select Examples: Focus on 2-3 of your most impactful projects that best showcase your 3D MOT modeling expertise on large, complex transportation infrastructure.

• Demonstrate Process: Clearly articulate your workflow from concept to final deliverable. Explain your approach to coordination, clash detection, and standard implementation.

• Quantify Impact: Where possible, use metrics to highlight achievements (e.g., reduction in clashes, time savings through efficient workflows, successful adherence to tight deadlines).

• Highlight Software Proficiency: Specifically showcase your advanced skills within OpenRoads Designer and any related visualization or coordination tools (Navisworks, LumenRT).

• Address Role Specifics: Tailor your presentation to demonstrate how your skills directly address the responsibilities of a Principal Designer for MOT projects.

Challenge Preparation:

• Be prepared for potential technical challenges or case studies related to MOT design on large projects. This could involve analyzing a proposed scenario and suggesting optimal MOT configurations or identifying potential issues in existing models.

• Practice articulating complex technical concepts clearly and concisely, as you will need to explain your reasoning and solutions effectively to a diverse audience.

📝 Enhancement Note: The interview process for a Principal role will be rigorous, heavily focused on demonstrating technical depth, problem-solving abilities, and the capacity to lead and mentor. A well-prepared portfolio is non-negotiable.

🛠 Tools & Technology Stack

Primary Tools:

• OpenRoads Designer (ORD): The core software for 3D modeling of roadways and MOT elements. Deep expertise is essential.

• AutoCAD / Civil 3D: Likely used for 2D drafting or for integration with ORD models.

• MicroStation: The foundational platform for OpenRoads Designer, understanding its environment is beneficial.

Analytics & Reporting:

• Navisworks: Crucial for clash detection, model aggregation, and project review across disciplines.

• LumenRT (or similar visualization tools): Used for creating compelling visualizations and animations of MOT plans and construction phasing to communicate complex designs effectively.

CRM & Automation:

• While not a direct CRM role, familiarity with project management software (e.g., Microsoft Project, Primavera P6) and digital document management systems (e.g., ProjectWise) is highly probable for workflow management and collaboration.

• Understanding of BIM processes and data management standards is key for seamless integration into larger project data ecosystems.

📝 Enhancement Note: Proficiency in OpenRoads Designer is paramount. Experience with coordination and visualization tools like Navisworks and LumenRT is highly desirable and directly supports the role's deliverables.

👥 Team Culture & Values

Operations Values:

• Innovation: Driving new solutions and approaches in 3D modeling and MOT design to improve project outcomes.

• Collaboration: Working effectively with diverse teams to achieve shared project goals.

• Excellence: Maintaining high standards in design quality, technical accuracy, and client satisfaction.

• Integrity: Upholding ethical standards and professional responsibility in all project aspects.

• People-Centricity: Valuing employees, fostering growth, and promoting a supportive work environment.

Collaboration Style:

• The team likely operates with a strong emphasis on collaborative problem-solving, especially in a remote setting.

• Expect regular virtual team meetings, design reviews, and cross-functional workshops to ensure alignment and address challenges proactively.

• A culture of knowledge sharing and continuous learning is encouraged, particularly for a Principal role that mentors others.

📝 Enhancement Note: Parsons' stated values (imagining next, valuing people, embracing agility, fostering growth) suggest a forward-thinking and employee-focused culture that aligns well with a Principal Designer's role in both technical leadership and team development.

⚡ Challenges & Growth Opportunities

Challenges:

• Managing Remote Collaboration: Effectively coordinating complex 3D models and design decisions across dispersed teams requires strong communication and project management skills.

• Large Project Complexity: Handling the scale and intricate details of multi-billion dollar transportation projects, ensuring all MOT elements are accurately represented and clash-free.

• Adhering to Evolving Standards: Keeping pace with client-specific digital delivery requirements and internal CADD standards, which can change rapidly.

• Technical Problem-Solving: Resolving complex modeling issues and developing innovative solutions for challenging MOT scenarios.

Learning & Development Opportunities:

• Advanced Software Training: Opportunities to deepen expertise in OpenRoads Designer and explore emerging modeling and visualization technologies.

• Industry Certifications: Pursuing certifications relevant to BIM, digital delivery, or specific transportation design aspects.

• Leadership Development: Gaining experience in mentoring, team leadership, and potentially project management through senior roles.

• Exposure to Mega-Projects: Working on some of the nation's most significant infrastructure projects, providing unparalleled experience and portfolio-building opportunities.

📝 Enhancement Note: The challenges presented are typical for senior roles on large infrastructure projects, and the growth opportunities highlight Parsons' commitment to employee development and career advancement within specialized engineering fields.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you led the 3D modeling of a complex MOT plan. What were the key challenges, and how did you overcome them using OpenRoads Designer?" (Focus on process, problem-solving, and software application)

• "How do you ensure clash-free designs when coordinating MOT models with other disciplines like structures and utilities?" (Highlight collaboration, coordination tools, and QA/QC)

• "Walk us through your process for developing and implementing CADD standards for MOT design on a large program." (Emphasize methodology, documentation, and efficiency) Company & Culture Questions:

• "What excites you about Parsons' focus on critical infrastructure and transformative transportation projects?" (Research recent projects and company mission)

• "How do you approach mentoring junior designers, and what is your philosophy on technical training?" (Align with Parsons' value of "valuing people" and fostering growth)

• "How do you measure the success of your design operations work, particularly concerning MOT deliverables?" (Focus on metrics, efficiency, and impact on project delivery) Portfolio Presentation Strategy:

• Structure: Begin with a high-level overview of your role and project context, then dive into specific examples. For each example, explain the objective, your solution (showcasing 3D models and workflows), the challenges, and the outcome.

• Visuals: Use clear, high-resolution screenshots of your 3D models, renderings, and workflow diagrams. If possible, prepare a short video walkthrough of a complex model.

• Data: Back up your claims with metrics related to efficiency gains, error reduction, or successful project milestones achieved due to your work.

• Engagement: Be ready to answer in-depth questions about your technical decisions, software choices, and problem-solving strategies.

📝 Enhancement Note: Interview preparation should focus on demonstrating technical leadership, deep software expertise, and an understanding of the strategic impact of MOT design operations on large infrastructure projects.

📌 Application Steps

To apply for this operations position:

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

• Portfolio Customization: Tailor your resume and cover letter to prominently feature your experience with OpenRoads Designer, 3D MOT modeling, and large-scale transportation projects. Prepare a digital portfolio showcasing your best work in these areas, focusing on clarity, process, and impact.

• Resume Optimization: Ensure your resume highlights achievements with quantifiable results where possible. Use keywords from the job description such as "OpenRoads Designer," "3D Modeling," "MOT," "Construction Staging," and "CADD Standards."

• Interview Preparation: Practice articulating your experience with specific examples, especially those involving complex MOT designs on large projects. Be ready to discuss your approach to collaboration, mentorship, and process improvement.

• Company Research: Familiarize yourself with Parsons' recent projects, especially in the transportation and critical infrastructure sectors. Understand their company values and mission to articulate how you align with their culture and strategic goals.

⚠️ 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.