Join Radiant as a Mechanical Engineer to contribute to the design and testing of portable nuclear microreactors.
Posted by employer 5 days ago
First seen on Joblaze 4 days ago
Last verified on the company career page 2 hours ago
Skills & Technologies
What you'll build
- Contribute to the design, analysis, and testing of microreactor
- Take ownership of deliverables from concept through build and validation
- Collaborate across disciplines to integrate designs
- Support system-level testing and troubleshooting
- Communicate results through design reviews and reports
Must have
- BS or MS in Mechanical Engineering, Aerospace Engineering, or related discipline
- Graduating in December 2026 or Spring 2027
- Strong foundation in engineering first principles
- Hands-on experience in design and build
- Proficiency with engineering tools
Requirements
- Education
- Bachelor's degree
Not disclosed in this posting: compensation, years of experience, work arrangement, visa sponsorship.
Benefits
Joblaze summary
The new graduate mechanical engineer at Radiant will engage in the design, analysis, and testing of portable nuclear microreactors, taking ownership of projects from concept to validation. Candidates should have a solid grounding in engineering principles and hands-on experience with design tools and methodologies. This role is ideal for recent graduates with a background in mechanical or aerospace engineering, looking to contribute to innovative energy solutions in a startup environment. Radiant's focus on rapid development and cross-disciplinary collaboration highlights its commitment to advancing nuclear technology.
Joblaze insights
- Listed 4 days ago — first seen on Joblaze September 19, 2026. Last confirmed on Radiant's careers page September 23, 2026.
- Mechanical Engineering appears in 5.1% of 470 comparable junior other roles in United States; Aerospace Engineering appears in 3.6% of 470 comparable junior other roles in United States.
Quick facts
- What's the tech stack?
- Joblaze extracted these technologies from the posting: Aerospace Engineering, Mechanical Engineering.
- What seniority level is this role?
- Radiant targets junior candidates for this position.
- Is this full-time or contract?
- Full-time for this 2027 New Graduate - Mechanical Engineer role at Radiant.
From the original posting
Responsibilities:
Contribute to the design, analysis, and testing of our microreactor.
Take ownership of deliverables from concept through build and validation, with guidance from senior engineers.
Collaborate across disciplines to integrate designs and resolve technical challenges.
Support system-level testing, troubleshooting, and design iteration to accelerate KDU development.
Communicate results through design reviews, technical reports, and presentations to peers and leadership.
Qualifications:
BS or MS in Mechanical Engineering, Aerospace Engineering, or a related discipline.
Graduating in December 2026 or Spring 2027
Strong foundation in engineering first principles, including but not limited to thermodynamics, fluid mechanics, statics, dynamics, and strength of materials.
Hands-on experience in design and build through projects, research, labs, or internships.
Proficiency with engineering tools (e.g., CAD, analysis software, lab instrumentation).
Benefits and Perks
Stock: Substantial incentive stock plan for all full-time employees.
Daily catered lunch. Free snacks and drinks.
Flexible PTO policy. Remote workday allocation.
Standard company text repeated across Radiant's postings is omitted here.