Home › Companies › Last Energy › Senior Nuclear Engineer
Senior Nuclear Engineer
Last Energy · Austin, TX · On Site · Active · Lever
Job facts
| Field | Value |
|---|---|
| Company | Last Energy |
| Title | Senior Nuclear Engineer |
| Normalized title | - |
| Department / team | Last Energy / Engineering |
| Location | Austin, TX, United States |
| Work model | On Site |
| Employment type | Full Time |
| Salary | - |
| Status | active |
| ATS provider | Lever |
| Posted / first seen | 2025-11-12 / 2026-05-29 |
| Changed / last seen | 2026-05-29 / 2026-06-06 |
Related slices
| Page | What it contains | Open |
|---|---|---|
| Company jobs | Active postings from Last Energy. | Open |
| Company breakdowns | Role, location, ATS, and work model facets for this company. | Open |
| ATS provider jobs | Active postings observed through Lever. | Open |
| Provider filtered search | The same provider as a filtered job collection. | Open |
| City jobs | Active postings in Austin. | Open |
| Department jobs | Active postings in Last Energy. | Open |
| Work model jobs | Active On Site postings. | Open |
| Lifecycle events | Open, update, close, and reopen events for this posting. | Open |
| Original posting | Canonical source or apply URL captured from the ATS. | Open |
Linked records
| Company | Last Energy |
| Source | e18f3d3c-05b6-44f4-9bcf-797fbc0759a1 |
| ATS provider | Lever |
Description
Last Energy is a fast-growing technology company redefining how nuclear power is designed, manufactured, and deployed. We are building a new generation of modular, distributed nuclear plants engineered for speed, scalability, and real-world impact.
We are seeking a Senior Nuclear Engineer to join our core engineering team and drive the analytical rigor behind our microreactor design. This role sits at the intersection of innovation and execution, where complex modeling meets the fast-paced reality of startup deployment. This role will act as both a technical leader and independent thinker, directly influencing design decisions that shape the future of energy.
Key Duties & Responsibilities
Lead and perform complex thermal-hydraulic and neutronics calculations Independently verify and approve engineering calculations and safety analyses prepared by peers and junior engineers Provide expert-level review of design basis documents, licensing submittals, and technical evaluations Mentor and guide junior engineers in analytical methods and modeling techniques Develop and maintain detailed models for reactor systems and accident scenarios Participate in peer reviews and regulatory interactions as a technical authority Contribute to continuous improvement initiatives by identifying gaps and proposing innovative solutions Adapt quickly to evolving project needs, regulatory changes, and emergent technical challenges
Qualifications
Bachelor’s or Master’s degree in Nuclear Engineering or a closely related discipline. 7+ years of experience in nuclear systems analysis, safety analysis, or reactor physics. Proficiency with at least two of the following codes: TRACE, MELCOR, MCNP, VERA, SCALE, SERPENT. Demonstrated experience performing and reviewing complex engineering calculations. Strong technical writing and communication skills, with the ability to present to both technical and non-technical audiences. Department of Energy regulatory experience is preferred
Full job record
| Job ID | db8b39bdd961d8fccd8bee47390039c585fe5e6c |
| Org ID | 44172102-ac46-4b13-9299-267f8cc938f8 |
| Source ID | e18f3d3c-05b6-44f4-9bcf-797fbc0759a1 |
| Board ID | e18f3d3c-05b6-44f4-9bcf-797fbc0759a1 |
| Provider | lever |
| Provider Job Key | d8e0b8ed-acf7-4fa4-a2c0-2161ac79fb0f |
| Title | Senior Nuclear Engineer |
| Normalized Title | — |
| Status | active |
| Active | yes |
| Location Text | Austin, TX |
| Department | Last Energy |
| Team | Engineering |
| Employment Type | Full-time |
| Workplace Type | on_site |
| Remote Policy | — |
| Country | United States |
| Region | TX |
| City | Austin |
| Salary Raw | — |
| Salary Min | — |
| Salary Max | — |
| Salary Currency | — |
| Salary Period | — |
| Source URL | https://jobs.lever.co/last-energy/d8e0b8ed-acf7-4fa4-a2c0-2161ac79fb0f |
| Apply URL | https://jobs.lever.co/last-energy/d8e0b8ed-acf7-4fa4-a2c0-2161ac79fb0f/apply |
| First Seen At | 2026-05-29 07:01:31Z |
| Last Seen At | 2026-06-06 07:57:48Z |
| Last Checked At | 2026-06-06 07:57:48Z |
| Last Changed At | 2026-05-29 07:01:31Z |
| Inactive At | — |
| Source Posted At | 2025-11-12 17:42:00Z |
| Source Updated At | — |
| Raw Payload Uri | s3://job-postings-prod-raw-590183727216/raw/provider=lever/board=last-energy/date=2026-06-06/2026-06-06T07-57-48-547Z-77ef796224b7b843710aaca2b37eaf9675785ed8ef5ec29527cd9877badc4231.json |
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