Technical Recruiter

Castelion; Torrance (CA); On-site; USD 70,000 - 110,000; Full time

Job summary

Castelion is seeking a Technical Recruiter to drive end-to-end recruitment for engineering and operations roles on site in Torrance, CA.

You will partner with hiring managers to identify, engage, and close top talent, manage the full life cycle from outreach to onboarding, and help build a diverse pipeline in a fast-growing defense-focused environment.

This role requires hands-on sourcing, strong technical acumen, and a results-driven mindset.

Qualifications

• 2+ years of full-cycle technical recruiting experience (engineering & operations).
• Proven ability to work closely with hiring managers to understand needs and deliver top talent.
• Technical understanding to assess engineering roles and candidate fit.

Responsibilities

• Sourcing Talent: identify active and passive candidates for hard-to-fill technical roles.
• Candidate Screening: conduct in-depth screenings and technical assessments.
• Candidate Management: manage end-to-end recruitment lifecycle from outreach to onboarding.
• Collaboration: advise hiring managers on role requirements, hiring strategies, and interview feedback.
• Talent Mapping & Market Insights: build pipelines and provide market intelligence.
• Process Improvement: optimize recruiting processes through automation and data-driven decisions.
• Diverse Talent Engagement: attract a broad, inclusive range of candidates.

Skills

Sourcing Talent

Candidate Screening

Candidate Management

Collaboration

Talent Mapping

Process Improvement

Diverse Talent Engagement

Tools

ATS familiarity

Job description

Why Castelion, Why Now

Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus, ownership, and excellence are decisive advantages - and we're building a world-class team to turn bold ideas into real capability.

Why Castelion, Why Now

Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus, ownership, and excellence are decisive advantages - and we're building a world-class team to turn bold ideas into real capability.

This is a rare opportunity to join at an early stage, where you'll have significant ownership, collaborate with exceptional teammates, and make a direct, measurable impact on our mission and the future of the company - regardless of your function.

Technical Recruiter - 100% Onsite

As a Technical Recruiter at Castelion, you will be a strategic partner to our hiring managers, driving the end-to-end recruitment process for technical roles. You'll play a key role in identifying, engaging, and closing top-tier engineering and operations talent that aligns with our mission.

Responsibilities

• Sourcing Talent: Leverage platforms such as LinkedIn, Boolean searches, referrals, and other creative methods to identify both active and passive candidates for hard-to-fill technical roles.
• Candidate Screening: Conduct in-depth screenings and technical assessments, ensuring candidates meet both job-specific qualifications and align with our culture.
• Candidate Management: Oversee the full recruitment life cycle, from the initial outreach to offer negotiation and onboarding, ensuring a seamless and positive candidate experience.
• Collaboration: Act as a trusted advisor to hiring managers, providing insights into the technical talent landscape and ensuring alignment on role requirements, hiring strategies, and interview feedback.
• Talent Mapping & Market Insights: Build and maintain a pipeline of potential candidates and market intelligence, proactively informing hiring strategies.
• Process Improvement: Continuously refine recruiting processes through automation, data-driven decision-making, and the use of innovative sourcing tools.
• Diverse Talent Engagement: Drive efforts to attract a diverse talent pool, ensuring were hiring from a broad and inclusive range of candidates.

Basic Requirements

• Experience: Minimum 2+ years of full-cycle technical recruiting experience, including sourcing and closing candidates for engineering and operations roles
• Client Engagement: Proven track record of working closely with hiring managers to understand hiring needs and delivering high-quality talent.
• Technical Acumen: Ability to assess technical skills and understand complex engineering roles, ensuring candidates align with job requirements.
• Candidate Experience: Strong commitment to providing a positive and seamless experience throughout the recruitment process.
• Self-Sufficiency: Ability to manage multiple requisitions simultaneously with minimal supervision in a fast-paced, high-growth environment.
• Be Onsite. This is not a remote or hybrid role. This role is 100% onsite.

Preferred Skills And Experience

• Prior experience recruiting in aerospace, defense, or manufacturing industries.
• Experience with non-traditional recruiting methods, such as cold calling, networking events, or customized sourcing campaigns.
• Familiarity with recruiting software and applicant tracking systems (ATS).
• Demonstrated success in building talent pipelines for niche technical roles.
• Experience working in fast-paced environments.

Castelion offers a generous benefits package. Please refer to the bottom of our Careers page for more details.

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

Additional Eligibility Requirements

This position may require access to classified information or restricted U.S. Government sites, systems, or information, as determined by the Company and/or applicable U.S. Government requirements. If the position is so designated, your employment in the role may be contingent upon your ability to obtain and maintain the required U.S. Government security clearance or other government authorization, and to satisfy any citizenship or other eligibility requirements imposed by applicable law, regulation, executive order, or government contract requirements. You will be notified if and when such requirements apply.

Affirmative Action/EEO Statement

Castelion is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.

Castelion is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the application and hiring process. If you require a reasonable accommodation to complete an application, participate in the interview process, or otherwise participate in the hiring process, please contact [e-mail]. Requests for accommodation will be considered on an individual basis and handled in accordance with applicable law.

Castelion is committed to fostering a workplace where employment decisions are based on qualifications, business needs, and the ability to perform the essential functions of the role, with or without reasonable accommodation.

EAR/ITAR Requirements

This position requires access to export-controlled information, and as such, employment (or hiring of a contractor) is contingent upon the candidate’s ability to access all applicable export-controlled information without additional export licensing being required by the Bureau of Industry and Security and/or the Directorate of Defense Trade Controls.