Mechanical Engineer

CX2 is a next-generation defense technology company founded to deliver spectrum dominance for the United States and our allies. CX2’s AI-enabled hardware and software platforms detect, disrupt and defend the electromagnetic spectrum across land, air, sea and space domains.

We are looking for a talented and experienced Mechanical Engineer with a minimum of 5 years in the aerospace and defense industry. This individual will be responsible for the design, development, testing, and integration of mechanical systems and components for various aerospace platforms, including aircraft, space systems, and defense applications. This is a hands-on engineering role in a multidisciplinary environment that values innovation, precision, and reliability. This position is based at our El Segundo, CA headquarters and requires an onsite presence.

Key Responsibilities

Design & Development

o   Lead the mechanical design of complex components and subsystems including structural frames, mechanisms, enclosures, brackets, and mounts.

o   Generate detailed engineering drawings, 3D models, and specifications in compliance with industry standards.

Analysis & Simulation

o   Perform structural, thermal, and dynamic analysis using tools like FEA and CFD.

o   Optimize designs for weight, cost, manufacturability, and durability.

Prototyping & Testing

o   Support the fabrication, assembly, and testing of mechanical prototypes.

o   Develop test plans, oversee test execution, and document results to validate design performance.

System Integration

o   Collaborate with systems, electrical, and manufacturing teams to ensure seamless integration of mechanical components into larger systems.

o   Address fit, form, and function issues during integration and support troubleshooting.

 Compliance & Documentation

o   Ensure compliance with aerospace standards and customer specifications (e.g., MIL-STD, ASME, AS9100).

o   Produce and maintain comprehensive design documentation, including BOMs, change logs, and reports.

• Bachelor’s degree in Mechanical Engineering (Master’s preferred).
• 5+ years of mechanical design experience in the aerospace and/or defense sector.
• Proficiency in CAD software such as SolidWorks, Creo, or CATIA.
• Strong knowledge of aerospace materials, design for manufacturing (DFM), and fabrication techniques.
• Experience with structural and thermal analysis tools (e.g., ANSYS, NASTRAN).
• Familiarity with aerospace environmental and qualification testing.
• Excellent problem-solving and critical-thinking skills.
• Strong written and verbal communication abilities.
• Ability to work extended hours and/or weekends as needed for mission critical deadlines.

• Experience with composite materials and advanced manufacturing techniques.
• Background in designing for high-stress, high-temperature, or high-vibration environments.
• Knowledge of systems engineering practices and lifecycle management.
• Security clearance or ability to obtain one.

• To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Note: Those currently on OPTs and/or H1Bs do not currently qualify for ITAR. Learn more about the ITAR here.

• Competitive salary, stock options and benefits, including health, vision and dental and 401K.
• Generous PTO + most Federal Holidays observed.
• Professional growth and development opportunities.
• Collaborative and inclusive work environment.
• Access to the latest tools and technologies.
• High levels of responsibility and autonomy.
• Access to the hardest problems in electronic warfare.

CX2 is a next-generation defense technology company, headquartered in El Segundo, California. Our mission is to secure spectrum dominance for the United States and our allies, by building AI-enabled hardware and software platforms to detect, disrupt and defend the electromagnetic spectrum across land, air, sea and space. Founded by a team of veteran entrepreneurs, with backgrounds from Meta, SpaceX, Epirus and a16z, we are backed by the leading venture investors in the defense ecosystem.

Equal Opportunity Employer

CX2 is committed to equal employment opportunity. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability, veteran status, or any other protected characteristic under federal, state, or local law, including those with a criminal history, in compliance with the CA Fair Chance Initiative for Hiring Ordinance.

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