Senior CAD Systems Engineer (NX)
Antares
About Us At Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We're fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space. To achieve our mission, we're building mass-producible, inherently safe, deployable microreactors that can be used terrestrially, underwater, and in space. The Antares team hails from SpaceX, the White House, the Pentagon, the Department of Energy, MIT, Rigetti Computing, General Atomics, Relativity Space, Ursa Major, and National Laboratories like Idaho, Oak Ridge, Los Alamos, and Savannah River. Antares has raised over $600M in venture capital from top-tier investors and has hundreds of million-dollars on contract with the military services, NASA, and the Department of Energy. About the Role: In this role, you will own and evolve our Siemens NX CAD ecosystem, serving as the technical lead for CAD administration, standards development, workflow automation, Check-Mate implementation, and NX customization. You will develop scalable CAD processes and tools that improve engineering productivity and ensure consistent design practices across the organization. In addition to owning the CAD environment, you will work closely with our responsible engineers to create and manage large, complex assemblies, develop and maintain reusable hardware libraries, and produce high-quality engineering drawings for our nuclear microreactor. The ideal candidate is an expert NX user with extensive experience implementing and customizing enterprise CAD environments, thrives on building robust engineering processes, and communicates proactively across multidisciplinary teams. This role is required to be onsite in Torrance, CA.
Roles and Responsibilities:
Equal Opportunity Antares is an Equal Opportunity Employer. Employment decisions are based solely on merit, competence, and qualifications, without regard to race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status. ITAR Requirements To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.
Roles and Responsibilities:
- Own the administration, configuration, and continuous improvement of the Siemens NX CAD environment.
- Develop and maintain NX standards, templates, Check-Mate rules, automation, and other tools that improve engineering quality and productivity.
- Evolve and enforce CAD modeling, drafting, and data management best practices across the engineering organization.
- Create, maintain, and manage large, complex NX assemblies that are accurate, robust, and scalable.
- Review, troubleshoot, and improve CAD models and engineering drawings to ensure compliance with modeling standards, drafting standards, and best practices.
- Partner with Responsible Engineers (REs) to develop mechanical parts, complex assemblies, and high-quality engineering drawings
- 5+ years of hands-on experience administering and designing in Siemens NX within a complex mechanical engineering environment.
- Demonstrated experience developing and maintaining CAD standards, templates, reusable libraries, Check-Mate rules, and NX automation or customization (e.g., NX Open, journals, or similar tools).
- Proficient in creating manufacturing-ready engineering drawings with expert application of ASME Y14.5 GD&T principles.
- Experience administering or supporting Product Data Management (PDM) systems, including management of CAD data, part structures, revisions, metadata, and engineering change workflows.
- Bachelor's degree in Engineering or STEM discipline.
- 8+ years of experience using Siemens NX in a complex product development environment.
- Experience administering enterprise CAD systems, developing CAD standards, and implementing CAD workflows and automation.
- Experience working with Product Data Management (PDM) systems and engineering release processes.
- Experience developing engineering automation or custom tools using Python, NX Open, MATLAB, or similar scripting languages.
- Experience in the nuclear, aerospace, robotics, or other highly regulated, high-performance industries.
- Experience supporting hardware development in a fast-paced product development environment.
- Strong mechanical aptitude with the ability to understand complex assemblies, identify design issues, and collaborate effectively with multidisciplinary engineering teams.
- Ability to work long hours and weekends as necessary to support critical milestones.
- Ability to travel to customer and mission-relevant locations as needed.
- We are located in Torrance, CA in a 322,000 square foot, brand new facility featuring large open spaces for team collaboration, R&D, and production, as well as easy access to the 405, 105, and 110 freeways. Our facility is in the heart of Los Angeles' vibrant emerging tech ecosystem alongside many other high growth startups and enterprises.
- Think in Systems - Energy and Defense are complex ecosystems with numerous stakeholders with competing priorities, conflicting policies, perverse incentives, and emergent and path-dependent properties. First principles thinking alone is insufficient. Think probabilistically and then take action. "If you want to be certain, then you are apt to be obsolete." Over-optimizing the components often degrades the system
- Obsess over the End User - The customer and end user are often not the same. We will never build globally competitive commercial products if we lose sight of our end users and their entire interaction with the product life cycle
- Be Unconstrained by Convention - Our only limits are the laws of physics. Many, even experts, will say what we are working on is impossible. They said the same about SpaceX reusing rockets. Generationally impactful companies, by definition, must accomplish the seemingly impossible. If it were easy, it would have already been done. Never shy away from a solution because it has never been tried before, and never choose to do something because that's "how it's always been done"
- Go Where the Work Is - Never miss a chance to meet a customer, user, or stakeholder face to face, even if that means hopping on a plane. If you can't make it, find a teammate who can channel your intentions and go in your place. Deep work can be done from anywhere, but we believe teams are built in person, and aim to maximize our time together
- Operate in the Grey - Embrace nuance in pursuit of truth. Question every fundamental assumption
Equal Opportunity Antares is an Equal Opportunity Employer. Employment decisions are based solely on merit, competence, and qualifications, without regard to race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability, or any other legally protected status. ITAR Requirements To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.
Vacancy posted 5 days ago
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