Senior Mechanical Engineer
$150k - $190kRound Peg Solutions
Location Los AngelesContact Marella HajjarJob Ref 10865Published 5 months agoJob Type PermanentJob DescriptionCHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage—domain dominance. The company’s products are powered by Coherent Distributed Networks (CDN), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats.CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Partners. The company is headquartered in Los Angeles, with offices in Washington, D.C., San Francisco, San Diego, Seattle, and London. For more information, please visit .Role OverviewCHAOS is seeking a Senior Principal Mechanical Design Engineer to serve as the technical authority for the design, integration, and qualification of electronic hardware and enclosures for aerospace and defense applications. This role is responsible for setting mechanical direction across programs, solving complex design challenges, and ensuring technical excellence from concept through qualification, production, and sustainment.The ideal candidate brings deep hands-on mechanical design expertise, strong CAD and packaging experience, and a proven ability to independently lead cross-disciplinary technical efforts spanning mechanical, electrical, RF, power, and systems engineering.This is a full-time, on-site position in Hawthorne, CA.ResponsibilitiesArchitect and design ruggedized electronic hardware and enclosures, including chassis, card-level packaging, mounting features, and thermal solutions, in accordance with program requirements and applicable standards Define and maintain mechanical architectures, interfaces, and design approaches to support multi-disciplinary system integration. Develop and oversee 3D CAD models, assemblies, drawings, and interface control documentation (ICDs), ensuring production-ready quality and configuration control. Perform first-order structural and thermal analyses to support design decisions and verify compliance with environmental and performance requirements Perform and/or review first-order structural and thermal analyses to support design decisions and verify compliance with environmental and performance requirements Lead cross-disciplinary technical resolution involving mechanical, electrical, RF, power, and systems engineering teams Serve as a primary technical hardware interface with customers, platform providers, suppliers, and manufacturing partners. Perform make/buy assessments with manufacturing partners as required Support production transition, configuration control, and fielded system sustainment, including investigation and resolution of integration issuesMinimum RequirementsBachelor’s degree in Mechanical Engineering or a related discipline 4+ years Relevant experience in mechanical design and integration of electronic hardware for aerospace, defense, or similar applications Strong proficiency with mechanical CAD tools (e.g., SolidWorks or equivalent) and experience producing production-ready drawings Experience designing mechanical hardware for RF, avionics, power electronics, and/or embedded computing products Solid understanding of mechanical drafting standards, GD&T, tolerance analysis, and configuration-controlled documentation Experience supporting prototype builds, integration, and qualification testing Strong problem-solving skills, attention to detail, and ability to work effectively in fast-paced development programs Ability to obtain and maintain a U.S. security clearancePreferred RequirementsMaster’s degree in Mechanical Engineering or a related field Advanced experience with SolidWorks for complex parts and assemblies Experience with commercial FEA or multiphysics simulation tools (e.g., NASTRAN, ABAQUS, ANSYS, COMSOL, CFD tools) Familiarity with military specifications and standards (e.g., MIL-STD-810) Familiarity with military and aerospace connectors (e.g., MIL-DTL-38999, ARINC, Micro-D) Experience supporting environmental qualification testing and analysis (e.g., thermal cycling, vibration, shock) Experience supporting cable harness routing, connector layouts, and electromechanical integration Experience with additive manufacturing, CNC machining, and prototype fabrication techniques Hands-on experience working with machine shop and prototype lab equipmentWhy CHAOS?Health Benefits: Medical, dental, and vision benefits 100% paid for by the company Additional benefits: 401k (+ 50% company match up to 6% of pay), FSA, HSA, life insurance, and more Our Perks: Free daily lunch, ‘No meeting Fridays’, unlimited PTO, casual dress code Compensation Components: Competitive base salaries, generous pre-IPO stock option grants, relocation assistance, and (coming soon!) annual bonuses Team Growth: 200 employees and counting across 5 global officesSalary Range: $150,000 – $190,000The stated compensation range reflects only the targeted base compensation range and excludes additional earnings such as bonus, equity, and benefits. If your compensation requirements fall outside of the range, we still encourage you to apply. The salary range for this role is an estimate based on a range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations.Recruiting Agencies: CHAOS Industries does not accept unsolicited resumes or outreach. Unsolicited submissions will not be reviewed or compensated.
- ...focused team, building with urgency, grit, and care for the work we do and the people we do it with. The RoleWe’re looking for a Mechanical Engineer who will own the design, analysis, and development of Outpost’s atmospheric recovery systems. This role sits at the...Senior
$180k - $235k
Senior Mechanical Engineer - Aerospace, CaliforniaDarwin have partnered with a defense technology company building unmanned aircraft systems for defense and security customers. Growing quickly and under strict confidentiality at this stage, they’re looking for a Senior...SeniorRelocation package$150k - $183k
...solutions. Join our dynamic team and help shape a smarter, greener future for global freight.Senior Mechanical EngineerParallel Systems is seeking a Senior Mechanical Engineer with expertise in dynamics, simulation, and CAD design to help us design the next generation...SeniorLocal areaShift work$120k - $160k
Job DescriptionAbout the jobMechanical Engineer (Structures)Outpost is pioneering Earth return logistics for space. We’re building vehicles... ...for the work we do and the people we do it with.The RoleThe Mechanical Engineer will serve as the technical authority for the primary...SeniorPart time$84.7k - $144.43k
...clients, our communities, and our planet. If this sparks your interest, you’re in the right place.DLR Group has an opening for a Mechanical Engineer with a focused skillset on data center projects. Position SummaryThe Mechanical Engineer for Mission Critical Projects is...SeniorWork at office$121.65k - $194.3k
...Francisco, CA, United StatesDepartment: Mechanical EngineeringBusiness Unit: ANA United StatesWork... ...company delivering sustainable design, engineering, and consultancy solutions for natural... ...in California is seeking an experienced Senior Process Mechanical Design Engineer to...SeniorFull timePart timeWork at officeLocal area- ...us on our mission of providing humankind access to the galaxy beyond our planet. About the RoleApex is seeking a Propulsion Mechanical Engineer to own mechanical designs for our spacecraft propulsion systems. You will drive the design, analysis, and qualification of propulsion...SeniorFull timeWork at office
$129.1k - $146.7k
...your career, to our members and to the clients and communities we serve. Our West Coast healthcare team is looking for a Senior Mechanical Engineer to join our multi-disciplinary team anchored in San Francisco, Los Angeles or Oakland. Arup is known for designing innovative...SeniorLocal areaRemote workFlexible hours$141k - $181k
...brilliant people to do brilliant things in engineering, management, and development services,... ...but are not limited to:Designing mechanical (HVAC, Plumbing and Fire Protection) systems... ...and specifications under the direction of senior engineers or project managersPerform studies...SeniorContract workTemporary workWork at officeImmediate start3 days per week$150k - $180k
...hardware end?to?end, with a strong focus on rapid iteration, rigorous qualification, and hands?on engineering across disciplines. The Role We are looking for a Senior Mechanical Engineer - Test who will own the mechanical test and qualification process for spacecraft...Senior- ...Senior Mechanical Engineer Are you passionate about mechanical design and committed to crafting custom industrial machinery of the utmost quality? Join our team of dedicated engineers who take pride in delivering excellence to our esteemed clients. We specialize in...Senior
- ...Senior Mechanical Engineer IIBased onsite at Rocket Lab Robotics in Pasadena, California, the Senior Mechanical Engineer II will lead mechanical design and mechanism development efforts for space robotics, precision mechanisms, electromechanical assemblies, tooling, fixtures...SeniorFor contractors
- ...Senior Mechanical Engineer Come join one of the fastest growing firms in the US! We are seeking a well-established Sr. Mechanical Engineer to play a critical, leading role in our fast-growing, non-traditional, technology company. In this role, the Sr. Mechanical...Senior
$194.9k - $310.86k
We are seeking a Senior Vice President, Mechanical Engineering to lead the growth and delivery of our Mechanical Engineering practice in Los Angeles, with a strong focus on Healthcare, Commercial, Higher Education, and Civic market sectors. This leadership role presents...SeniorContract workFor contractorsLocal areaFlexible hours$140k - $200k
...Angeles, CAManufacturing - Manufacturing Engineering /Full-time /On-siteHermeus is a venture-... ....About The Role: We are open to Senior or Principal leveling for this role. This... ...qualification test campaigns and interpret mechanical testing and NDE results Support manufacturing...SeniorPermanent employmentFull timeWork at officeWeekend work$110k - $170k
...Senior Mechanical EngineerBR+A is seeking an experienced Senior Mechanical Engineer in our Los Angeles, CA office. The candidate must be strongly motivated, well organized, and show professional initiative. The ability to take ownership of assignments and perform well...SeniorFull timeFor contractorsWork at office$205k - $245k
...sensing and detection solutions that give the ultimate advantage: time. Role Overview: CHAOS is seeking a Senior Principal Mechanical Engineer to serve as the mechanical authority and provide high-value, hands-on mechanical expertise for the integration of...SeniorFull timeWork experience placementCasual workRelocation package- ...place, we are well positioned to capitalize on already overwhelming demand. Job Overview: We are seeking a skilled mechanical design engineer with a strong design and testing background. You will design , prototype, analyze, and test complex vehicle components...SeniorPermanent employmentWeekend work
- ...Mechanical Engineer Vital Lyfe is a tech company redefining water autonomy through innovation, creating a new category of personal water making technology built to scale where infrastructure can't. The mission is to own and build the core mechanical systems behind...SeniorRemote work
$125k - $155k
...Senior Mechanical Engineer - Advanced Development Location: On-site - California, USA Salary: $125,000 - $155,000 Work Type: Full-time Clearance: US Citizen required About the Role We are hiring a Senior Mechanical Engineer to focus on early-...SeniorFull time$50 - $72 per hour
...Senior EngineerThe Senior Engineer position is responsible for independently delivering engineering services, from conceptual design through construction... ...Management8+ years of experience with a Design/Build Mechanical Contractor or HVAC consultantDesired:Professional...SeniorHourly payTemporary workFor contractorsWork experience placementWork at officeMonday to Friday$150k - $180k
...handwriting robotics, we're challenging traditional direct mail manufacturing from the ground up. We're looking for a Senior Mechanical Design Engineer to own the mechanical design and development of complex electromechanical systems from concept through production - and...Senior$140k - $175k
...Senior Mechanical Engineer (Propulsion)Los Angeles, CAK2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by $450M from leading investors including Altimeter Capital, Redpoint...SeniorPermanent employmentShift work$145k - $170k
...About Machina Labs: Engineering moves at software speed. Manufacturing doesn't. Yet. Machina Labs is changing that. We... .... Job Description: Machina Labs is seeking a Senior Mechanical Engineer with robotics hardware experience to lead design and...SeniorFlexible hours$137k - $193k
...Inversion is pushing the boundaries of what's possible in space-based defense and logistics. What You'll Do: As a Senior Mechanical Design Engineer at Inversion, you will play a critical role in the design, packaging, and rapid iteration of hardware across multiple...SeniorPermanent employment$137k - $193k
...Senior Mechanical EngineerTurning Space into a Transportation Layer for EarthInversion builds advanced reentry systems to deliver next-generation... ...defense and logistics.What You'll DoAs a Senior Mechanical Engineer at Inversion, you will own cradle to grave development of...SeniorPermanent employmentWork at office- ...Senior Mechanical EngineerLocation: Los Angeles, CAAbout Observable SpaceAt Observable Space, we're redefining how humanity observes and... ...RoleWe are seeking a highly-motivated and experienced Mechanical Engineer to join our growing team. In this role, you'll design...SeniorWork at officeRemote workFlexible hours3 days per week
$140k - $200k
...through abundant, low-cost clean energy. Founded by an ex-SpaceX engineer, Critical Energy designs and manufactures factory-built,... ...the Role: We are seeking an innovative and versatile Senior Mechanical Design Engineer to create new turbomachinery. Collaborating...SeniorImmediate startFlexible hours$137.3k - $185.7k
Amazon CQC is looking for a highly motivated Semiconductor Senior Equipment Engineer to develop, sustain, and optimize advanced semiconductor R... ...the project management of technical projects- AS/BS in mechanical, electrical, etc.) 10 years preferably in the semiconductor...SeniorLocal areaFlexible hoursShift workNight shift$112.9k - $141.1k
...Senior Mechanical EngineerLACA Los Angeles - Culver City, CA 90230OverviewLevel Experienced Position Type Full Time Category EngineeringDescriptionThe... ...is looking for a highly capable Senior Mechanical Engineer in our Los Angeles office to lead and manage...SeniorFull timeWork at office
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Mechanical Engineer. Be the first to apply!
- srs distribution Los Angeles, CA
- senior operations coordinator Los Angeles, CA
- senior associate architect Los Angeles, CA
- senior dynamics crm developer Los Angeles, CA
- senior application security Los Angeles, CA
- senior account director Los Angeles, CA
- sr hr business partner Los Angeles, CA
- senior supervisor Los Angeles, CA
- senior plumbing designer Los Angeles, CA
- senior sales representative Los Angeles, CA

