--- title: 'Senior Mechanical Engineer I at ICON' canonical: 'https://feeny.ai/job/senior-mechanical-engineer-i-icon-austin-texas-mzj4m1a43021' type: 'job' last_seen: '2026-09-07' --- # Senior Mechanical Engineer I at ICON - **Company:** ICON - **Location:** Austin Texas, United States - **Posted:** 2026-05-29 - **Last confirmed live:** 2026-09-07 - **Apply:** https://job-boards.greenhouse.io/iconcareers/jobs/6008811004 ## Job description ICON is seeking a Senior Mechanical Engineer I to drive the design, analysis, and implementation of critical mechanical subsystems for our next generation Titan 3D printing construction system. As a Mechanical Engineer at ICON you will own major design efforts, perform detailed engineering analysis, and be responsible for the full lifecycle of components from concept through final production. If you are passionate about solving complex, large-scale problems and seeing your designs deployed in the field, this role is for you. This is a full-time, onsite role is based at ICON’s Austin, TX HQ campus. ## RESPONSIBILITIES - Direct the application of existing principles and guide the development of new ideas for complex mechanical assemblies, systems, and specialized tooling for large-format robotic 3D printing construction equipment. - Perform detailed engineering analyses (structural, thermal, and kinematic) using foundational hand calculations and advanced computational modeling (FEA/CFD) to evaluate stress, deflection, fatigue, thermal performance, and dynamic system behavior. - Generate comprehensive engineering documentation, including 3D CAD models, detailed 2D drawings per ASME Y14.5 standards, and accurate Bills of Materials (BOMs). - Lead cross-functional design reviews (DRs), incorporating feedback from industrial design, manufacturing, reliability, software, and field operations teams, while understanding the interrelationships of different disciplines. - Drive the selection and qualification of commercial off-the-shelf (COTS) components, as well as collaborating with manufacturing and supply chain teams to ensure optimized design for manufacturability (DFM) and cost-effectiveness. - Collaborate with manufacturing and supply chain teams to ensure designs are optimized for fabrication and cost-effectiveness. - Network with key contacts outside your own area of expertise and adapt your communication style to use persuasion in delivering messages that relate to the wider audiences. - Serves as a subject matter expert in mechanical design matters, frequently advising others on complex matters to positively influence product design decisions to drive impactful results for the business. - Collaborate closely with Prototype Technicians and Manufacturing teams during the build phase to troubleshoot assembly issues and rapidly implement design updates. - Develop and execute rigorous verification and validation plans (V&V) to ensure designs meet all functional, performance, and reliability requirements. - Identify risks and drive mitigation strategies throughout the design process, utilizing tools like Failure Modes and Effects Analysis (FMEA). - Provide hands-on support for field deployment and root cause analysis of mechanical failures in operational and prototype systems. - Manage and control engineering documentation, including drawings, models, and Bills of Materials (BOMs), within the Product Data/Lifecycle Management (PDM/PLM) system. - Review and check drawings created by other team members for accuracy, completeness, and adherence to established drafting standards. - Mentor junior engineers and contribute to a culture of technical excellence and continuous improvement - Perform other related duties as assigned to support the company's goals and objectives. ## MINIMUM QUALIFICATIONS - BS/MS in Mechanical Engineering (or similar relevant discipline). - 8+ years of experience in hands-on mechanical design and product development, preferably involving robotics, automation, heavy equipment, or large machinery. ## PREFERRED SKILLS AND EXPERIENCE - Demonstrated expertise in designing and analyzing complex systems, including drive trains, gearboxes, linear motion, structural frames, and fluid handling systems. - Advanced proficiency in a major 3D CAD software (SolidWorks Preferred) and experience utilizing PDM/PLM systems (e.g. SolidWorks PDM, Windchill, Duro). - Proven experience performing or managing structural FEA models and thermal CFD models (e.g. SolidWorks Simulation, Ansys). - Strong knowledge of Geometric Dimensioning and Tolerancing (GD&T) and its practical application in engineering documentation. - Advanced experience with various material selection and fabrication methods, including welding, machining, casting, sheet metal, CNC machining, and 3D printing. - Familiarity with industrial sensors, controls, and basic electrical/pneumatic integration. - Experience working in a rapid prototyping environment, bridging the gap between R&D and Serial Production. - Excellent attention to detail and ability to maintain consistent documentation standards across large assemblies. - Experience designing, integrating, and troubleshooting fluid/hydraulic systems, and/or designing hardware for prolonged use in dusty, dirty, or harsh outdoor environments. - Experience documenting technical data packages (TDP) within an established PDM/PLM system to support manufacturing scalability. ## PHYSICAL/ENVIRONMENTAL REQUIREMENTS - Must be able to lift 50 pounds occasionally. - Must be able to work comfortably in an office and engineering shop/lab environment. - Occasional travel (less than 5%) may be required to support supplier or manufacturing needs. ICON is an equal opportunity employer committed to fostering an innovative, inclusive, diverse and discrimination-free work environment. Employment with ICON is based on merit, competence, and qualifications. It is our policy to administer all personnel actions, including recruiting, hiring, training, and promoting employees, without regard to race, color, religion, gender, sexual orientation, gender identity, national origin or ancestry, age, disability, marital status, veteran status, or any other legally protected classification in accordance with applicable federal and state laws. Consistent with the obligations of these laws, ICON will make reasonable accommodations for qualified individuals with disabilities. Furthermore, as a federal government contractor, the Company maintains an affirmative action program which furthers its commitment and complies with recordkeeping and reporting requirements under certain federal civil rights laws and regulations, including Executive Order 11246, Section 503 of the Rehabilitation Act of 1973 (as amended) and the Vietnam Era Veterans' Readjustment Assistance Act of 1974 (as amended). Headhunters and recruitment agencies may not submit candidates through this application. ICON does not accept unsolicited headhunter and agency submissions for candidates and will not pay fees to any third-party agency without a prior agreement with ICON. As part of our compliance with these obligations, the Company invites you to voluntarily self-identify as set forth below. Provision of such information is entirely voluntary and a decision to provide or not provide such information will not have any effect on your employment or subject you to any adverse treatment. Any and all information provided will be considered confidential, will be kept separate from your application and/or personnel file, and will only be used in accordance with applicable laws, orders and regulations, including those that require the information to be summarized and reported to the federal government for civil rights enforcement purposes. [Internet Applicant Employment Notices](https://drive.google.com/drive/folders/1KtxCrS8fV9XRApKaXFjKJ5twhzR_MkGE) ## About ICON ## Company Overview - **One-liner**: ICON develops advanced 3D printing robotics, software, and materials to transform construction, tackling the global housing crisis and preparing to build on other worlds. - **Entity Type**: Private (Venture-backed; last known round: Series B in February 2022) - **Headquarters**: Austin, Texas, United States - **Founded**: 2017 - **Founders**: Evan Loomis (Co-Founder) and others; the founding team is not fully detailed in public sources. ## Core Business - **Primary industry/industries**: Construction Technology (PropTech), Robotics, Advanced Materials, Aerospace (Off-Planet R&D) - **Target customers**: B2B (homebuilders, developers, military/defense), B2G (government/MILCON projects), and B2C (homebuyers via partner builders) - **Mission or purpose statement**: To advance humanity by using 3D printing robotics, software, and advanced materials to lower the cost and increase the speed and quality of construction, tackling the global housing crisis and preparing to build on other worlds. ## Products & Services - **Vulcan Construction System**: A large-scale 3D printing robotic system that prints single-story and multi-story concrete homes and structures. Type: Hardware + Software. - **Phoenix Multi-Story Printer**: A newer, radical robotic printer unveiled to enable multi-story construction. Type: Hardware + Software. - **Proprietary Advanced Materials (e.g., Lavacrete)**: A low-carbon, high-strength concrete mix designed specifically for 3D printing. Type: Material. - **Digital Catalog for Residential Architecture**: A catalog of pre-designed, printable home models. Type: Software/Service. - **AI Architect for Home Design**: An AI-powered tool for home design and construction planning. Type: Software. - **Off-Planet R&D**: Research and development of construction systems for use on the Moon and Mars, including work under NASA contracts. Type: R&D Service. ## Market Standing - **Valuation/Market Cap**: Not publicly disclosed (Private company). - **Key Metric**: $564.7M in total funding across 8 rounds. Annual revenue estimated at $18.0M (source: LinkedIn). - **Notable Investors/Partners**: Tiger Global Management (led Series B), Moderne Ventures (led Series A), Oakhouse Partners (led Seed). Partners include NASA, the U.S. Department of Defense, and various homebuilding firms. - **Growth Signals**: Headcount of 228 employees (+10.8% YoY); 42 active job postings (+223.1% YoY); expansion into military construction (MILCON); ongoing development of the Phoenix multi-story printer and Off-Planet systems. ## Competitive Advantages - **Pioneer & First-Mover**: One of the first companies to successfully deploy large-scale 3D printing for livable homes, creating a strong brand and operational track record. - **Vertically Integrated Technology Stack**: Proprietary robotics, software, and materials are all developed in-house, creating a defensible moat and optimized system performance. - **High-Profile Government & Space Contracts**: Partnerships with NASA and the U.S. Department of Defense provide credibility, non-dilutive funding, and a unique market position. - **Mission-Driven Brand**: The dual mission of solving the housing crisis and building on other worlds attracts top talent and media attention. ## Strategic Focus - **Scaling Military & Government Projects (MILCON)**: A major focus is on winning and delivering large-scale construction projects for the U.S. military. - **Multi-Story Construction**: The Phoenix printer represents a key strategic pivot to enable taller, denser buildings, opening up new market segments. - **Commercialization & Replicability**: Moving from R&D and pilot projects to a repeatable, scalable business model that can be deployed globally. - **Off-Planet Systems**: Continued R&D for lunar and Martian construction, maintaining a long-term vision that differentiates the company. ## Why Work Here - **Mission & Impact**: The opportunity to work on cutting-edge technology that directly addresses the global housing crisis and has a tangible, physical impact. The "Earth and beyond" mission is a powerful motivator. - **Hands-On, Cross-Disciplinary Learning**: Employees gain deep, practical experience across robotics, materials science, software, and field operations. Learning is accelerated. - **Comprehensive Benefits**: Includes medical/dental/vision, mental health coverage, "Use What You Need" PTO, generous parental leave, 401K with Roth IRA, and employee stock options. - **Culture**: Described as fast-paced, intense, and driven by a sense of urgency and ownership. Attracts builders, engineers, and operators who want to reinvent an industry. - **Work Policy**: Roles are primarily based in Austin, TX (HQ), with some field positions in Miami, FL. The environment is largely on-site, especially for engineering, operations, and print roles. - **Considerations**: The culture is also noted for high volatility, including a 25% workforce reduction in January 2025. Workload can be intense with long hours, and leadership is described as uneven by some sources. Candidates seeking stability and process maturity may find the environment challenging. [builtin.com](https://builtin.com/company/icon-build/faq/workplace-perception) ## Sources 1. [iconbuild.com](https://www.iconbuild.com/) 2. [iconbuild.com/careers](https://www.iconbuild.com/careers) 3. [job-boards.greenhouse.io/iconcareers](http://job-boards.greenhouse.io/iconcareers) 4. [linkedin.com/company/icon3dtech](https://www.linkedin.com/company/icon3dtech) 5. [builtin.com](https://builtin.com/company/icon-build/faq/workplace-perception) ## Other roles at ICON - [Business Development Director, Dallas](https://feeny.ai/job/business-development-director-dallas-icon-austin-texas-1dh7gaphcfhk) — Austin Texas, United States - [Business Development Director, Houston](https://feeny.ai/job/business-development-director-houston-icon-austin-texas-hbxb44kqshnf) — Austin Texas, United States - [Director, Total Rewards](https://feeny.ai/job/director-total-rewards-icon-austin-texas-8bxt07kt860z) — Austin Texas, United States - [Payroll Specialist II (Contract)](https://feeny.ai/job/payroll-specialist-ii-contract-icon-austin-texas-8r20jbk86sj5) — Austin Texas, United States - [Program Manager, ICON Owner Care](https://feeny.ai/job/program-manager-icon-owner-care-icon-austin-texas-nceyseercggg) — Austin Texas, United States - [Director, Customer Training](https://feeny.ai/job/director-customer-training-icon-austin-texas-j1j7jqyctbfq) — Austin Texas, United States - [Manager, Material Production](https://feeny.ai/job/manager-material-production-icon-austin-texas-yzv8j74ybqd2) — Austin Texas, United States - [Electro-Mechanical Systems Technician, Off-Planet Systems](https://feeny.ai/job/electro-mechanical-systems-technician-off-planet-systems-icon-austin-texas-a53ehjmm3ya5) — Austin Texas, United States - [Senior Customer Success Manager](https://feeny.ai/job/senior-customer-success-manager-icon-austin-texas-b5rwy2mw96gh) — Austin Texas, United States - [Logistics Analyst II, Mobility](https://feeny.ai/job/logistics-analyst-ii-mobility-icon-austin-texas-4jeq6vwq4dx1) — Austin Texas, United States