Mainspring Energy
Staff Software Controls Engineer - Site Control
Menlo Park, CA · Staff+
Stay score
odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~61% per draw at Level IV). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
$3,631 more — $165,131 — moves this role to Level II and 2 lottery entries. That figure is inside the range the employer already advertised.
Based on the DOL prevailing wage for this occupation and worksite, a base salary of $165,131 would place this position at wage Level II. That figure is within the posted range, and I'd like to target it. This role classifies under "Software Developers" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · San Francisco-Oakland-Fremont, CA. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
Employer immigration record
from this employer's Department of Labor filings
Files H-1B transfers
Sourced from Department of Labor LCA, PERM and prevailing-wage disclosure data. Employer matching is by name, so figures may be split across an employer's legal entities. Absence of a filing means none appears in our copy of the data, not that none exists.
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About the role
- The company began commercial shipments of its Mainspring Linear Generators in 2020 and today has hundreds of megawatts in advanced development and field operations for leading Fortune 500 companies, data centers, and utilities.
- Studies have shown that some people are less likely to apply to positions unless they meet every listed requirement.
- Mainspring can sometimes be flexible enough to shift responsibilities for the right person, or otherwise identify open or upcoming roles that may better fit your professional background.
Responsibilities
- Technical Communication: Ability to create clear technical documentation and system diagrams that bridge the gap between industrial hardware and modern software
- Proven track record of developing and testing control logic for complex power sites (e.g., microgrids, large-scale solar + storage).
- Ability to create clear technical documentation and system diagrams that bridge the gap between industrial hardware and modern software
Requirements
- Industry Experience: 8+ years of hands-on experience in commercial power generation, industrial automation, or utility-scale energy projects
- Expert-level proficiency in OPC-UA, MQTT, Modbus, and DNP3 within secure industrial environments
- Grid Interconnection Standards: Experience with grid interconnection standards (e.g., IEEE 1547, UL 1741)
- Cybersecurity Frameworks: Knowledge of cybersecurity frameworks for industrial control systems (e.g., NERC CIP)
- Expert proficiency with SCADA, HMI, and industrial controllers (PLCs/PACs).
- Experience with grid interconnection standards (e.g., IEEE 1547, UL 1741)
Nice to have
- Systems Expertise: Expert proficiency with SCADA, HMI, and industrial controllers (PLCs/PACs).
- Deep hands-on experience with IEC 61131-3 for machine control and a strong preference for experience in IEC 61499 for event-driven architectures.
- Experience with industrial serial protocols ( like UART) is a plus
Compensation
- This compensation and benefits information is based on Mainspring Energy's estimate as of the date of publication and may be modified in the future.
Benefits
- Mainspring can sometimes be flexible enough to
Equal opportunity
- In more traditional words, Mainspring Energy, Inc is an Equal Opportunity Employer.
This listing is sourced directly from Mainspring Energy's careers page and normalized into a canonical job model.