Flatiron Energy
flatironenergy.com
Actively hiring
Energy Storage
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Overview
Technologies
Salaries
Products
People
Growth
Offices
Financials
Overview
Flatiron Energy is a developer and builder of grid-scale standalone energy storage assets that integrate renewable energy onto the grid and replace fossil fuel plants. The company is a Hull Street Energy portfolio company and hires for project construction, capital markets, transmission, asset management, legal and tax roles. The company is headquartered in Boulder, Colorado, United States.
Tech stack
Technologies named in job postings at Flatiron Energy over the last 12 months, by layer, with the share of postings for each.
Technologies in use
1
Postings analysed
1
Stack modernity
85/100
Cloud & platforms
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Growth
Hiring Momentum
63/100
Growing
Open positions
5
1 opened / 0 closed in 30 days
Median time-to-fill
136 days
faster than 11% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Finance
60% ▼
Administrative
20% ▼
Management
20% ▲
Activity Timeline
New location: Boulder
Oct 2026
Added Microsoft Project to stack
Sep 2026
Added Microsoft Office to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
4
Hiring now
4
Countries
1
Busiest office
Boulder
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Headquarters
Builds here
Office with open vacancies
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Boulder
United States
HQ
Boulder / Denver
3 open roles 3 posted in 90 days 1-10 est. staff
hires for Finance
New York
United States
Plant / site
NYC (Flatiron)
5 open roles 5 posted in 90 days 1-10 est. staff
hires for Finance, Administrative, Management
Boston
United States
Plant / site
Boston (FiDi)
4 open roles 4 posted in 90 days 1-10 est. staff
hires for Finance, Management
Denver
United States
Plant / site
2 open roles 2 posted in 90 days 1-10 est. staff
hires for Finance