Jobs in the United States

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Electrophysiologist - Full-Time Dover, NH
Mass General Brigham Medical Group New Hampshire and Maine, Inc.
United States
- $576,000 USD / year
- Full-time
…systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that…
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Certified Phlebotomy Technician
San Ysidro Health
National City, CA
Under direct supervision of the Lab Management Team, performs phlebotomy, heel and finger sticks; operates and maintains point of care lab equipment (CLIA Waived); conducts problem…
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GM
Leasing Professional - Ascend Brightleaf
Greystar Management Services, LLC
Durham, NC
- $17 to $19 USD / hour
Incumbents must have all licenses and/or certifications as required by State and Local jurisdictions · Incumbents must have valid driver’s license to operate a golf cart on property
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GM
Leasing Professional - Vermeer
Greystar Management Services, LLC
Washington, DC
- $23 to $25 USD / hour
Incumbents must have all licenses and/or certifications as required by State and Local jurisdictions · Incumbents must have valid driver’s license to operate a golf cart on property
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Regional Property Manager - Austin area
Greystar Management Services, LLC
Austin, TX
Real Estate license required in specific markets, otherwise preferred
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FC
Budget Analyst
Franklin County (NC)
Louisburg, NC
- $924.96 to $971.21 USD / hour
Benefits: Franklin County offers a competitive benefit package designed to encourage and support your health, well-being and productivity. Benefit options include medical and dental…
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New Business Processor II
Employment Opportunities
Indianapolis, IN
…entry through to the policy going in force. This role provides support to the department in three areas: application entry, final action processing and policy delivery. This individual…
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GM
Leasing Consultant - Icon Riverwalk
Greystar Management Services, LLC
Plainsboro, NJ
- $23 to $25 USD / hour
…Active Adult best practices. Responsibilities include lead management, CRM utilization, data analysis, event support, and collaboration with the Lifestyle Coordinator to enhance resident…
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Community Support Supervisor
Greystar Management Services, LLC
Dallas, TX
Minimum of two years of property management experience (ideally in a Community Support Specialist, Assistant Community Manager, Community Manager, or similar role), or other related…
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Assistant Community Manager - San Montego
Greystar Management Services, LLC
Phoenix, AZ
Incumbents must have all licenses and/or certifications as required by State and Local jurisdictions · Incumbents must have valid driver’s license to drive a golf cart on property
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CC
Recertification Specialist II - Full Time; 7710-202-T
Catholic Charities Brooklyn and Queens
Brooklyn, NY
- Full-time
The Recertification Specialist II works as an integral member of on-site support team to ensure safe affordable housing is provided and maintained for tenants who live in properties managed…
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Retail Store Manager
Michaels Stores, Inc.
United States
Michaels offers a range of benefits to support team members and their families. Depending on position and eligibility, team members may have access to a 401(k) with employer match, an…
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Retail Store Manager
Michaels Stores, Inc.
United States
Michaels offers a range of benefits to support team members and their families. Depending on position and eligibility, team members may have access to a 401(k) with employer match, an…
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Retail Merchandise Manager
Michaels Stores, Inc.
United States
Michaels offers a range of benefits to support team members and their families. Depending on position and eligibility, team members may have access to a 401(k) with employer match, an…
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MS
Retail Manager - Merchandising (Part-time)
Michaels Stores, Inc.
United States
- Part-time
Michaels offers a range of benefits to support team members and their families. Depending on position and eligibility, team members may have access to a 401(k) with employer match, an…
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Retail Store Manager
Michaels Stores, Inc.
United States
Michaels offers a range of benefits to support team members and their families. Depending on position and eligibility, team members may have access to a 401(k) with employer match, an…
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Teacher Assistant - Head Start (Edgewood)
Maryland Rural Development Corporation
Edgewood, MD
…role involves assisting with classroom instruction, behavior management, and daily activities to promote school readiness and social-emotional development. The Teacher Assistant also helps…
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Teacher Assistant - Head Start (Edgewood)
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White Marsh, MD
…role involves assisting with classroom instruction, behavior management, and daily activities to promote school readiness and social-emotional development. The Teacher Assistant also helps…
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Joppatowne, MD
…role involves assisting with classroom instruction, behavior management, and daily activities to promote school readiness and social-emotional development. The Teacher Assistant also helps…
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Teacher Assistant - Head Start (Edgewood)
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…role involves assisting with classroom instruction, behavior management, and daily activities to promote school readiness and social-emotional development. The Teacher Assistant also helps…
Added 1 min ago
Senior Contract Attorney
Ultimus Fund Solutions
Omaha, NE
…outside counsel, and institutional clients across the asset management…
Added 1 min ago
Senior ServiceNow Platform Developer (1043) - Systems and Analytics - Department of Human Resources
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…supporting everything from employee service delivery and HR case management to workflow automation, data modeling and reporting, and platform integrations. The team plays a critical role in…
Added 1 min ago
Maintenance Supervisor
HSL Asset Management
Tucson, AZ
Build Your Career with HSL Asset Management, LLC!

Radiant Industries

Mechanical Engineer, Electrical Integration

El Segundo, CA, United States

$124,500 to $172,725 USD / year

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Job details

Pay: $124,500 to $172,725 USD / year
Posting language: English
Posted: Nov 10, 2026

Original job description

ABOUT RADIANT

Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. The U.S. grid is under growing strain, with power demand accelerating, driving higher utility costs, rising carbon emissions, and interconnection backlogs. Radiant has a solution, transportable, on-site power. Our first reactor, Kaleidos, is 1 megawatt: small enough to be factory-built, transported by land, sea, or air, and deployed wherever power is needed. 1 MW can power 1000 homes for five years. Ship it back and we refuel for a 20 year operating life. We made energy a product that can be used for critical infrastructure like military bases, data centers, hospitals, and remote sites, as well as the commercial main street businesses that keep America running. Founded in 2020, Radiant is under contract to deliver power to the U.S. Army, Navy and Air Force and has signed pre-order agreements with Equinix, with deployments beginning in 2028.

ABOUT THE ROLE

Radiant is seeking a Mechanical Engineer to support the design and integration of electrical components and subsystems in a fast-paced startup environment. You’ll work alongside experienced mechanical and electrical engineers to solve challenging problems in packaging, thermal management, structural design, and system integration for advanced hardware. This role offers hands-on exposure to end-to-end hardware development from CAD and analysis through build, test, and validation.

RESPONSIBILITIES & DUTIES:

Support the mechanical design and ownership of electrical components and subsystems, including:
Mechanical design of electrical assemblies such as control panels, enclosures, brackets, mounts, and supports.
Cable and wiring harness routing, retention, strain relief, bend radius compliance, and serviceability considerations.
Packaging of sensors, actuators, connectors, and electrical hardware within constrained assemblies.
3D CAD modeling and 2D drawing creation using Siemens NX, including tolerance stack-ups and GD&T basics.
Perform first-order load calculations (static, shock, vibration) to support structural design decisions.
Conduct thermal analysis and heat-transfer assessments for electrical components, enclosures, and assemblies.
Support selection of materials, fasteners, and finishes appropriate for electrical, thermal, and environmental requirements.
Participate in system integration, troubleshooting, and validation activities alongside electrical and systems engineers.
Collect and interpret technical requirements and provide clear, constructive feedback across mechanical, electrical, software, and systems disciplines.
Perform trade studies and first-order analyses to evaluate design options and constraints.
Generate and maintain design documentation to support Design for Manufacturing (DFM), assembly, and serviceability.
Support subassembly design, coordinate with manufacturing, and assist with build and test schedules.

REQUIRED QUALIFICATIONS & SKILLS:

Bachelor’s degree in Mechanical Engineering or a closely related field from an accredited institution.
3+ Years of professional hands-on mechanical design experience.
Experience using Siemens NX or similar 3D CAD tools.
Familiarity with mechanical design of electrical assemblies, including enclosures, brackets, and harness routing principles.
Basic understanding of structural mechanics, load paths, and first-order stress calculations.
Knowledge of thermal analysis, heat transfer, and thermal management concepts.
Ability to read and create mechanical drawings, including dimensions and tolerances.
Strong communication skills and ability to collaborate in a multidisciplinary engineering environment

DESIRED QUALIFICATIONS & SKILLS:

5+ years of professional hands-on mechanical design experience.
Mechanical design for high-reliability or harsh environments (nuclear, aerospace, defense, or industrial), including thermal cycling, shock, vibration, or radiation exposure.
Experience with FEA or CFD tools for structural and thermal analysis beyond first-order hand calculations.
Hands-on experience supporting build, integration, and test on the floor, including design iteration based on manufacturing feedback.

ADDITIONAL REQUIREMENTS:

Must be willing to work extended hours and weekends as necessary to accomplish our mission.
Must work 100% onsite at El Segundo HQ.

BENEFITS AND PERKS

Stock: Substantial incentive stock plan for all full-time employees.
Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.
One Medical: Sponsored memberships for employees and their dependents.
Vision: 100% top tier plan coverage + 50% for dependents.
Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.
Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.
8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.
Nuclear Engineering Certificate Program: 100% covered educational program with Penn State University, for eligible employees, to rapidly upscale into nuclear.
Daily catered lunch. Free snacks and drinks.
Flexible PTO policy. Remote workday allocation.
Company and team-bonding events, happy hours and in-person camaraderie.
Beautiful El Segundo headquarters close to the Pacific Ocean.

Total Compensation and Benefits Radiant compensates people for impact and invests in those who continue to raise the bar. Radiant’s full-time new hire compensation package includes base salary, substantial equity grants, and comprehensive health benefits. Total compensation and level are determined through a rigorous evaluation of interview performance, experience, education, and qualifications, and are designed to support continued growth as scope, responsibility, and impact expand at Radiant.

The best of today’s advanced reactor builders don’t wait for job postings. They join the winning team. If that’s you, contact us directly for immediate opportunities: recruiting@radiantnuclear.com.

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.

This position involves access to technology that is subject to U.S. export controls. Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.

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Jobs in the United States