Senior Technical Sourcer - Hardware & Startup (Contract)
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Senior Technical Sourcer (Contract) Location: Torrance, CA Role Overview Castelion is seeking an experienced Senior Technical Sourcer (Contract) to help identify, engage, and pipeline top talent for rapidly growing hardware and technology teams. This is a contract role supporting high-impact hiring initiatives across engineering, manufacturing, and corporate functions. While onsite at Torrance, CA headquarters is preferred, hybrid or remote arrangements are available for the right candidate. You will work closely with recruiters, hiring managers, and HR leadership to source and attract candidates in highly competitive markets. Success requires experience in hardware companies or high-growth startup environments, as well as creativity, persistence, and the ability to quickly understand specialized technical skill sets. Work Arrangement This role is flexible with a preference for onsite support at Torrance, CA headquarters, though hybrid arrangements are possible. This is a 6-month contract with the potential to extend based on performance. High-performing contractors may also be considered for full-time opportunities. Responsibilities Conduct targeted sourcing to identify qualified candidates for hard-to-fill engineering, hardware, and corporate roles Utilize LinkedIn, GitHub, personal networks, industry forums, and other platforms to engage passive talent Partner with recruiters and hiring managers to understand role requirements and key candidate attributes Maintain organized candidate pipelines and provide regular updates to the recruiting team Support outreach campaigns and initial candidate engagement, including phone/email touchpoints Contribute to employer branding initiatives by highlighting Castelion's mission, culture, and growth opportunities Track sourcing metrics and provide insights to improve strategies and outcomes Basic Qualifications 3+ years of recruiting or sourcing experience, preferably in hardware companies, defense, or high-growth startup environments Strong experience leveraging LinkedIn Recruiter and other sourcing tools Excellent research, organizational, and communication skills Proven ability to identify and engage passive candidates Comfortable operating in a fast-paced, high-growth environment Preferred Skills and Experience Familiarity with technical roles such as mechanical, electrical, or software engineering Experience supporting recruiting for scaling hardware teams in early-stage startups Strong understanding of the candidate market, competitive landscape, and sourcing best practices Ability to craft compelling messaging for passive candidates Compensation & Benefits Castelion offers a generous benefits package. Please refer to the Careers page for more details. #J-18808-Ljbffr Go Fractional
- Castelion seeks an experienced Senior Technical Sourcer (Contract) to identify, engage, and pipeline top talent for our hardware and technology teams. This role is primarily onsite at our Torrance, CA headquarters with flexibility for hybrid or remote arrangements for the...Contract workSeniorRemote jobFull timeFor contractors
$115k - $168k
...Founded in 2020, Radiant is under contract to deliver power to the U.S.... ...beginning in 2028.Senior Technical RecruiterRadiant is seeking... ...class team in a high-growth, startup environment. You will own the... ...Qualifications and Skills:Background in hardware recruiting, specifically...Contract workSeniorFull timeImmediate startRemote workFlexible hoursShift workWeekend work$187k - $261.5k
...tested in combat, iterated at startup speed, and built at... ...you will be doing As a Senior RF Engineer, you will take technical ownership of critical wireless... ...experience in RF hardware design for commercial or... ...and working directly with contract manufacturers (CMs) to ramp...Contract workSeniorWork experience placement$150k - $195k
...dual-use space technology startup building a completely new... ...What You’ll Do: As a Senior Electrical Hardware Design Engineer you will... ...with PCB fabricators, contract manufacturers, component suppliers... ...You’ll Bring Strong technical judgment and engineering...Contract workSeniorPermanent employmentFlexible hours$49 - $68 per hour
...is a place where creativity and technical rigor go hand in hand, and your... ...a subject matter expert in hardware technical recruiting and partner closely with senior leaders and hiring managers to... ...Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP)...Contract workPermanent employmentFor contractorsFor subcontractorWork at officeRelocation- ...regardless of your function. Senior Autonomous Flight Termination System Hardware Engineer We are seeking a Senior... ...with program leadership to make technical trades aligned with mission success... ...executive order or government contract requirements. You will be notified...Contract workSeniorTemporary workFor contractorsWork at officeLocal area
$225k - $315k
...in combat, iterated at startup speed, and built at... ...will be doing As a Senior Electrical Engineer II... ...power and propulsion hardware for our next generation... ...leading engineers as a technical lead, project lead, or... ...production ramp with a contract manufacturer US Salary...Contract workSeniorWork experience placement$187k - $315k
...tested in combat, iterated at startup speed, and built at massive... ...What you will be doing As a Senior Electrical Engineer, Design... ...bring up and characterize new hardware, run qualification testing, and... ...a production ramp with a contract manufacturer, including production...Contract workSeniorWork experience placement$154k - $215.5k
...tested in combat, iterated at startup speed, and built at massive... ...doing Neros is seeking a Senior Global Supply Manager to own... ...negotiation, alternate sourcing, and contract improvements Partner with... ...urgency in an ambiguous, hardware-focused environment where requirements...Contract workSeniorWork experience placement$158k - $219.45k
...RadiantRadiant is an El Segundo, CA-based startup building the world’s first... ...in 2020, Radiant is under contract to deliver power to the U.S.... ...seeking a highly motivated Senior Mechanical Engineer to own... ...and ramping up hardware build in a production environment...Contract workSeniorFull timeImmediate startRemote workFlexible hoursWeekend work$158k - $219.45k
...El Segundo, CA-based startup building the world’s first... ...020, Radiant is under contract to deliver power to... ...RoleRadiant is seeking a Senior Electrical Engineer,... ..., including Hardware-in-the-Loop (HIL) systems... ...expertise, ready to own technical decisions across electrical...Contract workSeniorFull timeImmediate startRemote workFlexible hoursWeekend work$158k - $219.45k
...RadiantRadiant is an El Segundo, CA-based startup building the world’s first... ...in 2020, Radiant is under contract to deliver power to the U.S.... ...seeking a highly motivated Senior Fluid Systems Engineer to own... ...and ramping up hardware build in a production environment...Contract workSeniorFull timeImmediate startRemote workFlexible hoursWeekend work$208.5k - $284.03k
...El Segundo, CA-based startup building the world’s first... ...020, Radiant is under contract to deliver power to... ...RoleRadiant is seeking a Senior Manager of Embedded... ...of people management, technical strategy, and organizational... ...electrical, controls, hardware, and executive...Contract workSeniorFull timeImmediate startRemote workFlexible hoursWeekend work$158k - $219.45k
...RadiantRadiant is an El Segundo, CA-based startup building the world’s first... ...in 2020, Radiant is under contract to deliver power to the U.S.... ...the RoleRadiant is seeking a Senior FPGA Verification Engineer to... ...with RTL design engineers, hardware engineers, embedded software...Contract workSeniorFull timeImmediate startRemote workFlexible hoursWeekend work$208.5k - $284.03k
...El Segundo, CA-based startup building the world’s first... ...020, Radiant is under contract to deliver power to... ...is seeking a talented Senior Manager, Power Systems... ...electronics engineers, set technical direction and... ...integration of off-the-shelf hardware for energy storage and...Contract workSeniorFull timeImmediate startRemote workFlexible hoursWeekend work$158k - $219.45k
...an El Segundo, CA-based startup building the world’s first... ...in 2020, Radiant is under contract to deliver power to the U... ...RoleRadiant is seeking a Senior Electrical Engineer with... ...applications. You will serve as the technical authority for custom hardware, owning the design and...Contract workSeniorFull timeImmediate startRemote workFlexible hoursWeekend work$133.5k - $184.8k
...RadiantRadiant is an El Segundo, CA-based startup building the world’s first... ...in 2020, Radiant is under contract to deliver power to the U.S.... ...microreactor and supporting hardware. You will play a critical... ...results clearly to both technical and non-technical stakeholders...Contract workSeniorFull timeImmediate startRemote workFlexible hoursWeekend work$133.5k - $184.8k
...El Segundo, CA-based startup building the world’s first... ...020, Radiant is under contract to deliver power to... ...RoleRadiant is seeking a Senior Manufacturing Engineer... ...to influence hardware from the earliest stages... ...fabrication methods and resolve technical issues.Identify and...Contract workSeniorFull timePart timeImmediate startRemote workFlexible hoursWeekend work$144k - $176k
...of the program. Nuclear I&C Hardware Engineers own the instruments... ...reactor itself neutron flux across startup, intermediate, and power... ...reactor safety. The team values technical depth, disciplined... ...Valar Atomics is seeking Senior Nuclear I&C Hardware Engineers...SeniorPermanent employmentFor contractors$135k - $185k
...forge the future with Voyager. The Senior Hardware Engineer – Power Integrity for our... ...emphasizes high-reliability design and technical leadership for in-space computing systems... ...Chuze Fitness, and more! No long-term contracts and FREE on-demand workout videos before...Contract workSeniorLong term contractPermanent employmentFor contractorsFor subcontractorFlexible hours$158k - $219.45k
...RadiantRadiant is an El Segundo, CA-based startup building the world’s first... ...in 2020, Radiant is under contract to deliver power to the U.S.... ...is seeking a talented Senior Electrical Engineer to own designs... ...-tolerant, off-the-shelf hardware. This role requires collaboration...Contract workSeniorFull timeImmediate startRemote workFlexible hoursWeekend work$158k - $219.45k
...El Segundo, CA-based startup building the world’s first... ...020, Radiant is under contract to deliver power to... ...RoleRadiant is seeking a Senior Software Engineer to... ...on top of a highly technical telemetry streaming platform... ...experienceHands-on hardware tech experience,...Contract workSeniorFull timeImmediate startRemote workFlexible hoursWeekend work- ...regardless of your function. Senior GNC Engineer We are seeking a... ...algorithms in a fast-paced, hardware-driven environment. Responsibilities... ...program leadership to make technical trades aligned with mission... ...order, or government contract requirements. You will be notified...Contract workSeniorFor contractorsWork at officeLocal area
- ...Senior Vice President of Finance About the Company Innovative defense technology... ...of the company's journey, from the first contract through development to mass production,... ...to support the fast-paced growth of the hardware business. Applicants for this role at the...Contract workSenior
$225k - $315k
...unmanned systems that are tested in combat, iterated at startup speed, and built at massive scale. Our team... ...months, not years. What you will be doing As a Senior RF Engineer II (Hardware), you will own the technical direction and final sign-off for RF hardware...SeniorWork experience placement$115k - $168k
...Radiant is an El Segundo, CA-based startup building the world’s first mass-produced,... ...sites. Founded in 2020, Radiant is under contract to deliver power to the U.S. Army, Air Force... ...Role Radiant is seeking a proactive Senior Material Planner to own material planning...Contract workSeniorFull timePart timeImmediate startRemote workFlexible hoursWeekend work$70 - $85 per hour
...Role Overview We are looking for a Contract Technical Recruiter to help build and scale Arbor... ...on full cycle recruiting for complex hardware engineering roles, designing and executing... ...Experience supporting early-stage startups or R&D-focused organizations. Compensation...Contract workHourly payLive inWork at officeFlexible hours$140k - $180k
...Senior PCB Design Engineer Torrance, California, United States... .../DFT processes. Work with contract manufacturers and internal teams... ...working in a fast-paced, hardware-first environment. Preferred... ...contribute to the company's technical goals and prevent hardware...Contract workSeniorPermanent employment$133k - $186k
...that are tested in combat, iterated at startup speed, and built at massive scale. Our team... ...and cash targets Prepare schedules, technical support, and documentation for the... ...Inventory and cost accounting experience in a hardware, manufacturing, or physical-product...SeniorPermanent employmentFor contractorsWork experience placement$133.5k - $184.8k
...RadiantRadiant is an El Segundo, CA-based startup building the world’s first mass-produced,... ...sites. Founded in 2020, Radiant is under contract to deliver power to the U.S. Army, Air... ...RoleRadiant is seeking a highly motivated Senior Equipment Engineer who will be working closely...Contract workSeniorFull timeImmediate startRemote workFlexible hoursWeekend work
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