Staff Software Controls Engineer - Site Control

requirements and interconnection standards into functional software specifications

Qualifications Industry Experience: 8+ years of hands-on experience in commercial power generation , industrial automation, or utility-scale energy projects 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 Deep Protocol Knowledge: Proven track record of developing and testing control logic for complex power sites (e.g., microgrids, large-scale solar + storage). 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) Technical Communication: Ability to create clear technical documentation and system diagrams that bridge the gap between industrial hardware and modern software \n $161,500 - $190,000 a year This position is onsite at our Menlo Park HQ . The salary will be adjusted to reflect local market conditions based on employee location as well as the experience of the employee. Along with the base salary, Mainspring offers pre-IPO stock options +

benefits. \n Does your experience not meet all of our posted

requirements? Studies have shown that some people are less likely to apply to positions unless they meet every listed requirement. At Mainspring, we are committed to building a diverse, inclusive, flexible, and collaborative environment, so if you want to help us transition the world to clean and affordable electricity, and don’t meet all posted

requirements for a particular role, we’d still love to hear from you. 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. In more traditional words, Mainspring Energy, Inc is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. 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. We generally do not negotiate on salary once we have made an offer. The level of pay within the range will depend on a variety of job-related factors that may include location, relevant prior experience and/or education, or particular skills and expertise. New hires joining the company tend to be paid within the starting base pay range noted above, with opportunities to increase pay over time based on development of additional skills, competencies, and company-specific knowledge.

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