[Hiring] Customer Success Engineer @Nuclearn

Role Description

Customer Success Engineers at Nuclearn deploy AI software inside nuclear plants. The work covers a lot of ground, such as:

• Standing up our platform on customer infrastructure (sometimes air-gapped).
• Configuring it for each plant's workflows.
• Troubleshooting integrations with Engineering.
• Ensuring operators get the outcomes we promised.

Reporting to the Head of Customer Outcomes, you'll join a team of four CSEs (growing) as an individual contributor who owns customer relationships from go-live through expansion. You'll be on site regularly, working directly with nuclear engineers, IT teams, and plant operators. The job is technical, customer-facing, and measured by one thing: customers getting the outcomes they paid for.

What you'll own

• Deployment and implementation: Install and configure Nuclearn's platform on customer infrastructure, on-prem (sometimes air-gapped) or in secure cloud, owning the technical side of plant-system integrations and partnering with Engineering on custom work.
• Customer success and adoption: Ensure customers get the outcomes they bought: understand their workflows, train their users, troubleshoot friction, and catch adoption gaps before they become retention risks.
• Technical advisory: Be the credible technical voice your customers' IT teams and engineers respect, recommending configurations, optimizing how they use the platform, and documenting patterns that scale to other customers.
• Customer voice: Surface what you hear to Product and Engineering, knowing things about how our software is actually used that nobody else at Nuclearn does.

Qualifications

• 3+ years in customer success engineering, technical implementation, or solutions engineering at a B2B software company.
• Experience with enterprise customers on complex deployments.
• Genuinely technical: comfortable in Linux, familiar with Docker or Podman.
• Customer-facing by choice, handling skeptical technical buyers effectively.
• AI-fluent: understanding AI tools and their application in workflows.
• Comfortable with candor, addressing issues directly with customers and teams.

Nice to have, not required

• Experience in nuclear, utilities, energy, or another regulated industry.
• Familiarity with Azure, Terraform, or Kubernetes.
• Background working with generative AI, Postgres, or Python.
• Prior experience at an early-stage startup.

You'll be in your element if...

• You're comfortable building without a playbook.
• You're energized by fast cadence and shifting priorities.
• You bring decisions, not just questions.
• You want candid feedback.
• You like reaching across function lines.

How we work

We're a values-driven company. Six values shape how we work, and three will be especially visible in this role:

• Customer Wins: Their win is our win.
• Ownership and Urgency: See it, own it, fix it.
• Resourcefulness: Every dollar and hour matters.

Benefits

• Equity participation.
• Medical, dental, and vision insurance.
• 401(k) with 100% match on the first 4%.
• Unlimited PTO.

A few practical notes

• Full-time, salaried.
• Remote (US-based); Phoenix HQ option available.
• Regular travel to customer sites (expect 25 to 40% travel).
• U.S. citizenship or permanent residency required for DOE export compliance.

How we hire

Fast, respectful, and practical. Our goal is first conversation to decision in three weeks or less.

• 30-minute intro with a CSE or our Head of People.
• 30-minute interview with the Hiring Manager.
• Take-home work sample.
• Presentation of work sample.

Nuclearn hires the best person for each role regardless of background, and we mean that as a practical commitment. We encourage applications from diverse backgrounds.