Senior Civil Engineer, Concrete Structures

Radiant Industries•El Segundo, CA

13d•$133,500 - $184,800•Onsite

About The Position

Radiant is seeking a Senior Civil Engineer to design and develop critical concrete and precast structural systems for its manufacturing and deployment sites. The role addresses structural challenges involving extreme thermal and seismic environments while meeting site and program constraints. The engineer will lead trade studies, material selection, detailed structural analysis, assembly, integration, and testing, helping enable manufacturing, fueling, and safe-storage infrastructure for Radiant’s microreactors. The position is 100% onsite at Radiant’s El Segundo headquarters.

Requirements

Bachelor's degree from an accredited institution in Civil, Structural, or Mechanical Engineering.
At least 5 years of experience designing concrete or reinforced concrete structures.
At least 4 years of experience performing structural analysis using hand calculations and finite element tools such as Abaqus, Ansys, SAP2000, or similar.
Willingness to work extended hours and weekends as necessary.
Ability to work 100% onsite at the El Segundo headquarters.

Nice To Haves

Active PE license (not required).
Experience with reinforced concrete design codes such as ACI 318 or similar.
Experience designing precast concrete systems, including handling, transport, and erection considerations.
Experience with dry cask storage design or spent nuclear fuel storage systems.
Experience with seismic design or qualification of concrete structures.
Experience with nuclear or other critical-facility structural design.
Experience designing hardware or structures that were fabricated, deployed, and iteratively improved.
Experience resolving thermal expansion and thermal gradient issues in concrete designs.
Experience working with interdisciplinary teams, including mechanical, civil, and geotechnical teams.
Solid understanding and application of GD&T and construction tolerancing.
Proficiency with hand-calculation analytical methods and higher-fidelity finite element-based analysis methods.
Ability to derive free-body diagrams for systems with which one was not previously familiar.
Self-motivation and strong organizational, written, and oral communication skills.
Experience using text-based software development tools.

Responsibilities

Own critical concrete structures, including spent fuel dry cask storage systems, factory and facility foundations, and precast concrete elements supporting manufacturing and site operations.
Conduct trade studies and develop designs that meet program requirements for static, thermal, and seismic loading.
Perform detailed reinforced and precast concrete structural analysis, including static strength and durability, and dynamic seismic analysis to determine structural integrity and margins of safety using hand calculations and finite element tools.
Develop and execute construction, fabrication, and test plans for precast and cast-in-place concrete elements.
Create and manage a Bill-of-Materials (BOM).
Find and develop suppliers and fabricators for precast concrete components.
Own subassembly and structure design, fabrication, and test schedules.
Own risk analysis (FMEA) for concrete structural subsystems.
Collect requirements and provide expertise and feedback to engineers in other functional areas through clear, constructive communication.

Benefits

Substantial incentive stock plan for all full-time employees.
Medical coverage up to the base silver-level plan for employees and 50% of dependent coverage; plans up to Platinum are offered.
Sponsored One Medical memberships for employees and their dependents.
Vision coverage at 100% for the top-tier plan and 50% for dependents.
Dental coverage at 100% for the top-tier plan, with orthodontia extra, and 50% for dependents.
Voluntary life, accident, hospital, and critical illness benefits, plus commuter benefits and FSA/HSA, offered as employee-contributed benefits.
Eight weeks of paid parental leave for all parents, with additional paid pregnancy leave for California employees.
Nuclear Engineering Certificate Program with tuition fully covered through Penn State University for eligible employees.
Daily catered lunch, free snacks, and drinks.
Flexible PTO policy.
Remote workday allocation.
Company and team-bonding events, happy hours, and in-person camaraderie.