Castelion was founded to restore America’s ability to field advanced weapons at speed and scale. Inspired by the engineering urgency of the WWII and Apollo eras, we combine rapid iteration, vertical integration, and scalable manufacturing to deliver affordable, high-performance strike systems. Our mission: rebuild industrial agility to strengthen national security and outpace evolving threats.

About the Role:

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.

Requirements

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.

Benefits

Employee Equity: Meaningful equity for all full-time employees - share value has increased 150x in three years
Personal Time Off: Four (4) weeks of paid time off to unplug, reset, and come back sharp—velocity matters, burnout doesn't
Company Paid Holidays: Ten (10) company paid holidays
Medical: We offer plans at 100% employee covered and 80% of dependent coverage
Dental & Vision: We cover 90% employees and 80% for dependents to ensure you and your family have access to quality preventive and ongoing care
FSA/HSA: To support long-term health and financial resilience, we offer FSA and HSA options that allow employees to set aside pre-tax dollars for eligible medical and dependent care expenses
Retirement: 401k plan offered to support long term financial growth along side high-impact, high-velocity work
Paid Parental Leave: We support growing families with meaningful time to bond and recover. Birthing parents are eligible for up to 10 weeks of paid leave, while non-birthing parents may take up to 4 weeks of paid leave. This time can be used for pre-natal care, pregnancy, childbirth, and related medical needs—ensuring every parent has the support they need during this important life moment.8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees
Meals & Catering: Frequently catered lunches and team meals, plus company-covered meals when extra time or effort is required
Snacks & Beverages: Fully stocked kitchen with unlimited snacks and drinks to keep you fueled throughout the day
Performance & Fitness: $100 monthly fitness stipend to support peak performance and health, both inside and outside of work
EV Charging: Onsite electric vehicle charging available for employees

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