Senior NSSS Integration Engineer

Alva Energy is scaling nuclear power uprates and related first-of-a-kind deployment projects across the U.S. power fleet. We are hiring a Senior NSSS Integration Engineer to lead integration of nuclear steam supply system requirements into Alva’s uprate execution programs, with particular focus on 2TGP integration, plant modifications, and coordination across internal and external engineering teams.

This role is a senior technical leadership position for an engineer who can bridge plant operations, systems engineering, transient response, and implementation planning. You will work closely with Alva’s process engineering team, I&C engineering, safety analysis team, EPC partner, utility partner, and NSSS vendor to ensure uprate-related system integration is technically sound, operationally practical, and aligned with plant safety and design basis requirements.

Key Responsibilities:

• Lead NSSS integration for Alva’s 2TGP and related uprate projects, ensuring NSSS requirements are correctly translated into system design, controls philosophy, and implementation scope.

• Work with Alva’s 2TGP process engineering team, EPC partner, I&C manager, and DuoSync developer to define and manage the NSSS-side requirements needed for integrated pl