Radiant · 2 weeks ago
Software Engineering Leader - Infrastructure and Computing
El Segundo, CA
Full-time
Onsite
Senior Level
7+ years expRadiant is an El Segundo, CA-based startup building the world’s first mass-produced, portable nuclear microreactors. They are seeking a hands-on Software Engineering Leader for Infrastructure to build and lead a team that enhances their software infrastructure and data processing capabilities for engineering applications. The role involves mentoring engineers, establishing technical roadmaps, and fostering a culture of engineering excellence.
Clean EnergyEnergyEnergy EfficiencyRenewable Energy
No H1B
Responsibilities
Build, lead, and mentor a high-performing team of software engineers focused on compute infrastructure, platform, scientific, software tooling, CI/CD pipelines, deployments, and data processing systems
Partner with engineering leaders across software, simulation, electrical, mechanical, and nuclear disciplines to identify infrastructure and tooling needs
Build our performance computing infrastructure, environment and tooling necessary to maintain high-quality standards and detect issues in real time across engineering systems
Own the technical roadmap for internal developer tooling: CI/CD pipelines, version control systems, artifact management, build systems, developer, scientific computing environments, testing frameworks, and release processes
Architect and maintain platforms that provide real-time monitoring, Digital Twin visualizations, and analysis tools for Kaleidos reactor systems
Scale data processing infrastructure to support increasingly sophisticated simulation post-processing, visualization, and analysis workflows
Foster a culture of engineering excellence through strong technical practices, automation, and continuous improvement
Recruit and develop top engineering talent while building a high-performance team culture that enables organizational velocity
Qualification
Required
Bachelor's degree in computer science, physics, mechanical engineering, or a related engineering field from an accredited institution
7+ years of professional software engineering experience in data infrastructure, compute platforms, high performance computing (HPC), scientific computing, developer productivity, software tooling, or platform engineering
3+ years of people management or technical leadership experience building and leading engineering teams
Strong software development expertise in programming languages such as Python, Golang, Rust, C#, or C/C++
Deep understanding of computing, system design, data structures, algorithms, and distributed systems architecture
Extensive experience with build systems, data pipelines, and infrastructure automation
Experience leading technical projects and teams integrating software into hardware systems such as robotics, controls, circuits, devices, vehicles, etc
Proficiency with containerization (Docker), orchestration (Kubernetes), and infrastructure-as-code tools (Terraform, Ansible, etc.)
Significant experience working in hybrid cloud/on-premises environments, specifically AWS and Linux systems
Strong foundation in software engineering best practices (version control, code review, testing, CI/CD)
Preferred
Advanced degree (Master's or Ph.D.) in computer science, physics, mechanical, electrical engineering, or a similar field
9+ years of professional software engineering experience in data infrastructure, compute platforms, high-performance computing, scientific computing, developer productivity, software tooling, or platform engineering
5+ years of people management or technical leadership experience building and leading engineering teams
Experience in highly regulated industries (aerospace, defense, automotive, nuclear, or medical devices)
Background leading teams working on simulation workflows, computational modeling, or scientific computing infrastructure
Track record leading teams developing distributed systems, databases, large-scale data systems, and backend APIs
Experience building or managing infrastructure for hardware-in-the-loop or software-in-the-loop testing environments
Strong DevOps background with expertise in observability, monitoring, and reliability engineering practices. Tools like Datadog, Grafana, InfluxDB, Prometheus, Nagios, etc
Benefits
Substantial incentive stock plan for all full-time employees.
100% premium coverage for base Silver level plan for employee + 50% premium coverage for dependents. Platinum plans available.
Sponsored memberships for eligible employees and their dependents.
100% premium coverage for top tier plan + 50% for dependents.
100% premium coverage for top tier plan (including orthodontia) + 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.
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.
Company
Radiant
Radiant develops portable nuclear microreactors designed to generate electricity and heat in a compact, factory-built form.
51-200 employees
Funding
Current Stage
Late StageTotal Funding
$518.82MKey Investors
Andreessen HorowitzUnion Square Ventures
2025-12-17Series D· $300M
2024-11-14Series C· $165M
2023-04-18Series B· $40M
Leadership Team
Doug Bernauer
Chief Executive Officer
Recent News
alleywatch.com
2026-01-23
2026-01-07
The Motley Fool
2026-01-04
Company data provided by crunchbase