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Senior System Administrator
Radiant Industries
Design, deploy, and maintain Radiant's server, storage, and network infrastructure, and collaborate with other teams to install and configure PLCs and operator stations.
13d ago
Expert & Leadership (13+ years), Experienced (8-12 years)
Full Time
El Segundo, CA
Onsite
Company Size
40 Employees
Service Specialisms
Advanced nuclear energy solutions
Microreactor engineering
Conceptual design review
Safety design strategy
Front‑end engineering and experiment design
Factory‑assembled reactor deployment
Passive cooling systems
Controls and simulation software design
Sector Specialisms
Nuclear
Energy
Clean Energy
Electric Power Generation
Microreactor Technology
Renewables Infrastructure
Logistics & Supply Chain
Asset Recovery
Role
What you would be doing
infrastructure troubleshooting
system security
server infrastructure
team mentoring
disaster recovery
hardware setup
- Troubleshoot and resolve infrastructure incidents, performing root cause analysis and corrective action
- Implement and maintain system security, including patching, access control, hardening, and vulnerability management
- Design, deploy, and maintain Radiant’s server, storage, and network infrastructure (including hybrid cloud and on-prem environments)
- Mentor junior team members and contribute to the development of infrastructure best practices across the organization
- Ensure high availability, performance, and disaster recovery for critical systems and services
- Collaborate with mechanical and production teams to install and configure PLCs, DAQs and set up operator stations
What you bring
plcs
iac
sysadmin
bachelor’s
networking
qc
- Experience with PLCs (like Beckhoff or Rockwell Automation)
- Experience with infrastructure as code tools (e.g., Terraform, Ansible, or similar)
- Strong Windows and Linux system administration skills in production environments
- Must be willing to work extended hours and weekends as necessary to accomplish our mission.
- Bachelor’s degree in computer science or engineering
- Experience testing software and hardware systems
- Must work 100% onsite at El Segundo HQ.
- Highly self-motivated with strong communication skills
- In-depth understanding of networking concepts (TCP/IP, routing, DNS, firewalls) and storage systems
- Prior work in regulated or high-assurance environments (e.g., nuclear, aerospace, defense, healthcare)
- Proficiency in scripting or programming languages (e.g., Bash, Python, Power Automate) for automation
- 5+ years of professional experience as a system administrator or infrastructure engineer
- Familiarity with real-time systems, embedded environments, or hardware/software integration
- Ability to work from Radiant’s office in El Segundo, CA (greater Los Angeles) full-time
- Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.
- Stock: Substantial incentive stock plan for all full-time employees.
- Flexible PTO policy. Remote workday allocation.
- Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.
- Daily catered lunch. Free snacks and drinks.
- One Medical: Sponsored memberships for employees and their dependents.
- Beautiful El Segundo headquarters close to the Pacific Ocean.
- 8-weeks of paid parental leave for all parents. Additional paid pregnancy leave for CA employees.
- Vision: 100% top tier plan coverage + 50% for dependents.
- Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.
- Company and team-bonding events, happy hours and in-person camaraderie.
Information not given or found
Interview process
Information not given or found
Visa Sponsorship- unfortunately, we are unable to provide visa sponsorship at this time.
- the 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.
Company
Overview
- Founded with a mission to revolutionize clean energy solutions through advanced nuclear reactor technology.
- Focuses on developing compact, efficient, and scalable nuclear reactors for a sustainable future.
- Radiant Industries is at the forefront of modern nuclear power innovation, pioneering next-gen reactor designs.
- Their reactors are built for flexibility, safety, and environmental responsibility, making them ideal for diverse energy needs.
- The company has attracted significant investment, helping to drive forward its ambitious projects in the nuclear sector.
- Typically engages in projects involving energy infrastructure, nuclear reactor development, and clean energy solutions.
- Radiant Industries stands out for its commitment to providing clean, reliable power through cutting-edge nuclear technology.
- We value hard work, collaboration, and integrity.
- We are committed to delivering high-quality solutions.
- Innovation drives our approach to solving energy challenges.
- We believe in empowering employees and fostering professional growth.
- Safety is our top priority in every aspect of our work.
2050
Net-Zero Target
Aim to achieve net-zero emissions by a specific year, demonstrating commitment to carbon neutrality.
- Focus on advancing nuclear technology to provide clean and sustainable energy.
- Support carbon-neutral operations and continuously work to improve energy efficiency.
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