Facts
as of Nov 14, 2026
Starlight Engine is a Japanese fusion energy company working toward the practical use of fusion power to solve energy problems. A subsidiary of Kyoto Fusioneering, it drives the FAST project and hires a chief human resources officer, grant management and PMO staff and a head of business operations. The company is based in Tokyo, Japan.
It is hiring: 5 open roles, 0 of them posted in the last 30 days.
- Headquarters
- Tokyo, Japan
- Employees
- 51-200estimated range
- Open roles
- 5Alion job postings
- Website
- sle.energy
As of Nov 14, 2026, Alion lists 5 open roles at Starlight Engine. Starlight Engine is headquartered in Tokyo, Japan. It has raised $452.9M in 2 funding rounds. The latest round is Venture - Series Unknown of $412.1M, announced in 2026. The median pay stated in its open roles is $76k, across 5 postings that state pay.
Sources: company registers, GLEIF, Wikidata, the company's site, Alion job postingsReport a mistake
What the registers and the postings say about this employer.
Sanctions lists
OFAC SDN, EU consolidated
No match
Phishing reports
OpenPhish, Phishing.Database
None
Layoff notices
US WARN notices on file
None
Sources: company registers, the Alion truth index, OFAC and EU sanctions lists, US WARN notices
Hiring slowly: few roles were posted lately.
Management is the largest family, 67 of open roles.
0%Remote roles0 of 5
1Roles in AI20% of open roles
1Hiring offices
Can they hire you from United States?by your location
Closed for your country
Companies like this one (Energy & Utilities, 51-200, East Asia) name United States in 2% of remote postings
Japan5On site
Remote, from elsewhere0Rare
No posting offers visa sponsorship. Remote roles: 0.
Alion signals0-100
Demand26
Pay34
Your chance47
How badly they need people, whether they pay, how realistic getting in is.
Open roles over time−100%
Sep 21This week
Open roles a week: 3 then, 0 now
Where the openings areshare of open roles · trend
What postings ask forlanguages named in open roles
Contract type
Full-Time 4
Visa sponsorship: none statedRelocation: none stated
Source: the company's careers site, read by Alion several times a day; market medians from all open roles of the same family
What its postings pay, by level.
$76kMedian
$64k – $83kTypical rangeUSD a year
$115kHighest paying role304_最高人事責任者候補（Chief Human Resources Officer / VP, Head of People）
Source: the pay stated in the company's postings, normalised to USD a year
Footprint
Hiring in 1 city in 1 country.
1Cities
1Countries
TokyoBusiest site
Source: office addresses in postings and company registers
Financials
Funding rounds, investors and revenue on record.
$452.9MTotal raised
Venture - Series UnknownLatest round
2Rounds and grants
Money by yearUSD, rounds and grants
Largest rounds and grants
Sources: funding announcements, grant and company registers
Tech stack
Technologies named in job postings at Starlight Engine over the last 12 months, by layer, with the share of postings for each.
1Technologies in use
1Postings analysed
85/100Stack modernity
Sign in to see how your skills match this stackSign In
Source: the technologies named in the company's postings and on its site
Milestones
Each milestone is dated by its source: registers, filings, the press
Newsroom
top 8%Web presenceof 133.2M domains by links, Common Crawl
Sep 12026
Blog
京都大学名誉教授の中村祐司先生は、現在Starlight Engineの技術グループに所属されています長年にわたるプラズマの理論・シミュレーション研究で培ってきた豊富な知見を活かし、FASTプロジェクトによる2030年代のフュージョンエネルギー発電実証に向けて取り組まれています「半生を注いできたフュージョンエネルギーの実現を、この目で確かめたい」--そん…
Aug 312026
Blog
フュージョンエネルギーの実現を目指すStarlight Engine株式会社は、経済産業省の「令和７年度補正フュージョンエネルギー発電実証推進事業補助金」において、グループ会社の京都フュージョニアリング株式会社と共同で「高温超電導体トカマクによる発電実証事業」を申請し、条件付採択事業者に選出されましたのでお知らせします 本件は、採択条件の通知がなされた段…
Jul 242026
News · BRIDGE
On the 15th, Starlight Engine, which is promoting a demonstration project for tokamak-type fusion power generation, announced that it has raised a total of ¥60.6 billion through…
Jul 152026
News · YahooFinance
TOKYO, July 15, 2026--Starlight Engine raised JPY 6.06 billion (USD 37.4 million) to accelerate its FAST project, targeting fusion power generation in the 2030s.
Jul 152026
Blog
-フュージョンエネルギーの実現に向け、FASTプロジェクトの推進を加速- フュージョンエネルギーの実現に取り組むStarlight Engine株式会社以下、当社は、第三者割当増資により、総額60.6億円の外部資金の調達を初めて実施しましたグローバル・ブレイン株式会社1をリード投資家に、電力、建設、不動産、通信、金融、素材メーカー、大学系ベンチャーキャピ…
Jul 132026
Blog
Fusion Drivers -私たちが、実現する- Vol.1技術グループ 神原 永昌 Starlight Engineで働くメンバーに焦点を当てるインタビュー企画「Fusion Drivers -私たちが、実現する-」記念すべき1人目は、プラズマ計測を担当するエンジニアの神原永昌をご紹介します アカデミア、産業界を経てスタートアップへと入社した経緯や…
Sources: the outlets named on each headline, each story once
