Manufacturing Specialist (Solid Rocket Motor Production)

STEM Boomerang; Rio Rancho (NM); On-site; USD 70,000 - 120,000; Full time

Benefits offered by this job

Equity for employees

Paid time off

Medical coverage

Dental & Vision coverage

401(k) plan

Parental leave

Company meals

Snacks & beverages

Fitness stipend

EV charging on site

Job summary

Castelion is seeking a Manufacturing Specialist to support solid rocket motor production for long-range hypersonic vehicle development. This full-time role is based in Midland, TX and requires close collaboration with engineering to execute high-precision builds.

You will help advance designs and mature manufacturing, assembly, and integration processes while ensuring quality and safety in a fast-paced environment.

Qualifications

• 3+ years aerospace manufacturing experience.
• Experience building complex aerospace components.
• Reading drawings and blueprints.
• Proficient with manufacturing metrology and quality assurance tools and processes.
• Ability to work in a remote environment with limited support.

Responsibilities

• Support development of solid rocket motor systems for design/build of long-range vehicles.
• Work with engineering teams to execute technical motor builds.
• Assist in advancing designs and maturing manufacturing, assembly and integration processes.

Skills

Aerospace manufacturing

Reading blueprints

Metrology & QA tools

Remote work adaptation

Tools

SVN

Confluence

JIRA

Job description

Manufacturing Specialist (Solid Rocket Motor Production)

Rio Rancho, United States | Posted on 08/06/2026

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:

Castelion is looking for a Manufacturing Specialist to support the development of the solid rocket motor systems required for the design and build of long-range hypersonic strike vehicles. This will be a full-time, exempt position located in our Midland, TX facility. As a Manufacturing Specialist, you will work closely with our engineering teams to execute highly technical solid rocket motor builds for our research vehicles, assist in advancing designs, and play a critical role in defining and maturing manufacturing, assembly and integration processes.

Requirements

Basic Qualifications

• 3+ years of aerospace manufacturing experience
• Experience building complex highly energetic aerospace components
• Reading drawings and blueprints
• Proficient with manufacturing metrology and quality assurance tools and processes
• Demonstrated direct or indirect leadership Ability to work in a remote environment with limited support

Preferred Skills and Experience

• Experience in a research and development environment
• Previous involvement in a high-speed production environment, handling flight hardware
• Prior involvement in a high-output environment, involving hands-on experience in constructing solid rocket motors
• Ability to acclimate to frequently changing assignments and a fast-paced working environment
• Excellent communication skills, both written and oral, along with effective teamwork abilities
• Superb focus and attention to detail, with remarkable work efficiency and accuracy
• Use of hand tools and power tools
• Expertise in manufacturing and repairing intricate testing systems
• Familiarity with Atlassian tools such as SVN, Confluence, and JIRA
• Skills in project management
• Employee Equity: Meaningful equity forall full-time employees - share value has increased 150x in three years
• Personal Time Off: Four (4) weeks of paidtime off to unplug, reset, and come back sharp—velocity matters,burnout doesn't
• Medical: We offer plans at 100% employeecovered and 80% of dependent coverage
• Dental & Vision: We cover 90%employees and 80% for dependents to ensure you and your family haveaccess to quality preventive and ongoing care
• FSA/HSA: To support long-term health andfinancial resilience, we offer FSA and HSA options that allowemployees to set aside pre-tax dollars for eligible medical anddependent care expenses
• Retirement: 401k plan offered to supportlong term financial growth along side high-impact, high-velocity work
• Paid Parental Leave: We support growingfamilies with meaningful time to bond and recover. Birthing parentsare eligible for up to 10 weeks of paid leave, while non-birthingparents may take up to 4 weeks of paid leave. This time can be usedfor pre-natal care, pregnancy, childbirth, and related medicalneeds—ensuring every parent has the support they need during thisimportant life moment.8-weeks of paid parental leave for allparents. Additional paid pregnancy leave for CA employees
• Meals & Catering: Frequently cateredlunches and team meals, plus company-covered meals when extra timeor effort is required
• Snacks & Beverages: Fully stockedkitchen with unlimited snacks and drinks to keep you fueledthroughout the day
• Performance & Fitness: $100 monthlyfitness stipend to support peak performance and health, both insideand outside of work
• EV Charging: Onsite electric vehiclecharging available for employees