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Defense Startup Jobs in Colorado (NOW HIRING)

Radicl Defense

Product Designer

Boulder, CO · On-site

$110K - $135K/yr

Defense Industrial Base (DIB) and other regulated industries. No longer should SMBs be satisfied ... Experience working in a startup environment About the Workplace At RADICL, we prioritize our ...

Sphinx Defense

Senior Program Manager

Colorado Springs, CO · On-site

$114K - $114K/yr

Founded by engineers and technologists with deep experience across commercial and defense ... projects (Startup, design, development, integration and delivery) * Experience with DoW space ...

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Infographic showing various Defense Startup job openings in Colorado as of July 2026, with employment types broken down into 100% Full Time. Highlights an 67% In-person, 22% Hybrid, and 11% Remote job distribution.

Propulsion Technician

Singularity Defense Corp.

Denver, CO • On-site

Full-time

Re-posted 13 days ago

Job description

About the Company:
We are a stealth-mode Aerospace & Defense startup headquartered in Gardena, CA. Our founding team hails from SpaceX, Anduril, and Lockheed Martin, and we are backed by Joint Staff-level military leadership and top-tier Silicon Valley rms. We're assembling a high urgency team committed to moving fast, solving hard problems, and defending what matters most. With a world-class business development & leadership team already in place, we are well positioned to capitalize on already overwhelming demand.
Job Overview:
Singularity is seeking a skilled Propulsion Technician to support the safe development, manufacturing, and handling of solid rocket motor systems. In this hands-on role, you will perform mixing, casting, curing, machining, and assembly operations for high-performance solid rocket motors used in defensive tactical systems. You will work closely with engineers and quality teams in a high-paced, controlled environment while strictly adhering to safety, environmental, and quality standards (including OSHA, ATF, and DoD requirements). This position involves direct work with hazardous energetic materials, so a strong commitment to safety, attention to detail, and process discipline is critical.
Roles and Responsibilities
  • Prepares materials and performs propellant mixing and solid rocket motor component assembly for various production and development programs.
  • Conducts energetics research and development for new energetic formulations.
  • Technician is responsible for requisitioning and organizing the materials and processing required for mix and cleaning and maintaining mix equipment.
  • Technician will perform energetics duties under the general direction of engineers and the team supervisor using established, well-defined methods.
  • Technician may be responsible for milling chemical components for full-scale propellant mixes and weigh material bins to correct weight for propellant mixing. This includes disassembly, cleaning, and re-assembly of full-scale milling equipment.
  • Other duties as assigned - Such as but not limited to: Test flight support, final assembly of prototype energetic articles and solid missile systems, materials test and analysis sample preparation, and support of new production initiatives and schedules.
  • Maintains a clean and organized space.
  • Able to follow and develop a preventative maintenance schedule with the assistance of engineering or chief technician.
  • Willing and available to work other shifts or overtime as needed to meet production schedules.
  • Able to work from elevated platforms, ascend ladders, and transport 35 lbs. repetitively.
  • Medically cleared to wear a respirator and operate powered industrial vehicle (and obtain company issued license as appropriate).

Required Qualifications
  • A safety-oriented mindset with a high focus on quality and production processes
  • Attention to detail and situational awareness
  • Experience working with hazardous chemicals beyond standard solvents and cleaners
  • Minimum 2 years of relevant experience in a chemical, or aerospace development or manufacturing environment
  • Able to lift 50lbs without assistance
  • Able to operate and troubleshoot development control software with engineering assistance
  • Basic computer skills and ability to communicate using multiple electronic platforms
  • Demonstrates compliance with standard operating procedures and job specific directions
  • Self-starter with a desire to improve and work across a team environment
  • Ability to get and maintain a state explosives permit (employer sponsored)

Desired Qualifications
  • Willing and available to work other shifts and overtime to meet production schedules
  • Run automated equipment in a highly controlled environment
  • Set up and operate 3-, 4-, and 5-axis CNC mills and lathes (Fanuc, Siemens, or Haas controls) to produce precision aerospace parts from materials such as aluminum, titanium, Inconel, stainless steel, and composites.
  • Develop or modify CNC programs using CAM software (e.g., Mastercam, NX, or PowerMill) and G-code; prove out programs and optimize toolpaths for efficiency and surface finish.
  • Experience in energetics manufacturing or processing
  • Process documentation and development

ADDITIONAL REQUIREMENTS:
ITAR
To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

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