Senior Firmware Engineer
Sol-Ark
Company Overview
Sol-Ark
Allen, TX, United States
2013
Approximately 180 employees and generated $65.1 million in revenue (latest available figure, pre-2023 expansion) (source: zoominfo.com).
What They Do
Sol-Ark is a privately held, veteran-owned solar and energy storage technology company that specializes in hybrid inverters and battery energy storage systems designed for solar integration. Their innovative all-in-one designs combine inverters, MPPT charge controllers, monitoring, and grid interactivity, making them suitable for grid-tied, off-grid, hybrid, and backup applications. This technology is particularly notable for its lightweight construction, being three times lighter than legacy systems, which enhances efficiency and ease of installation (source: zoominfo.com). The company has developed six generations of products, with a seventh in development, and has expanded its offerings to include electric vehicle chargers, string inverters, micro-inverters, and load management devices (source: sol-ark.com). Their target markets include residential, small commercial, and industrial segments, with clients ranging from individual homeowners to Fortune 50 companies and defense organizations.
Projects & Track Record
While specific completed projects are not detailed in available sources, Sol-Ark's systems are utilized in a variety of applications, including residential whole-home backups, commercial decarbonization sites, off-grid resorts, and critical infrastructure for defense and space agencies. Their products are deployed through partnerships with companies like Unbound Solar and NAZ Solar Electric, facilitating installations for both roof and ground mounts as well as generator-tied setups (source: sol-ark.com). The company is also engaged in ongoing expansions that include fleet-level commercial deployments and battery-only installations, which are part of their strategy to enhance resilience and optimize costs for businesses (source: sol-ark.com). Their geographic presence spans the U.S. and international markets, supported by a network of thousands of distributors and installers.
Recent Developments
In recent years, Sol-Ark has made significant strides in its product offerings and corporate achievements. Notably, on May 8, 2024, they announced the launch of the Commercial L3 Series Battery Energy Storage System aimed at business decarbonization and resilience (source: zoominfo.com). Additionally, on November 20, 2023, CEO Tom Brennan was honored with the EY Entrepreneur Of The Year 2023 National Award for his contributions to energy technology, highlighting the company's nine consecutive years of profitable growth and commitment to employee rewards (source: zoominfo.com). The company also relocated its headquarters to a new facility in Allen, Texas, which spans over 300,000 square feet, as part of its preparations for an IPO in 2024 (source: sol-ark.com).
Working There
Sol-Ark offers a variety of roles across product assembly, engineering, manufacturing, sales, and support, particularly as they expand their operations in Allen, Texas. With approximately 180 employees, the company emphasizes a culture of innovation led by veterans, focusing on the mission of protecting families through reliable energy solutions (source: sol-ark.com). The company has a strong commitment to employee performance incentives, including over $1 million awarded to employees, and is preparing for stock sharing as part of their upcoming IPO (source: zoominfo.com). Their workplace culture is characterized by a focus on resilience and reliability, with products designed to withstand harsh environments and provide dependable energy solutions.
Last updated on Feb 23, 2026 | Report an issue
Job Description
We are seeking an experienced Embedded Software Engineer with 10+ years of professional experience, specifically focused on developing software for embedded systems using microcontrollers. The ideal candidate will have a strong technical background, excellent problem-solving skills, and a proven track record of delivering high-quality software solutions.
Responsibilities
- Design and develop embedded software solutions for various microcontrollers, ensuring adherence to project specifications, timelines, and quality standards.
- Collaborate with cross-functional teams, including hardware engineers, firmware engineers, and system architects, to define software requirements and system interfaces.
- Participate in the full software development lifecycle, including requirements analysis, design, implementation, testing, and documentation.
- Develop efficient and optimized code for real-time embedded systems, leveraging microcontroller peripherals and features.
- Debug and troubleshoot software and hardware integration issues, utilizing appropriate tools and techniques.
- Conduct code reviews and provide constructive feedback to ensure software quality and maintainability.
- Stay up to date with industry trends and emerging technologies related to embedded systems and target microcontrollers.
- Mentor and provide guidance to junior software engineers, sharing your knowledge and experience.
- Collaborate with customers and internal stakeholders to gather requirements and provide technical support when needed.
- Maintain clear and concise documentation for software designs, development processes, and project deliverables.
Requirements
- Bachelor's or Master's degree in Computer Science, Electrical / Electronics Engineering, or a related field.
- Over 10 years of experience in embedded software development on microcontrollers.
- Solid understanding of real-time operating systems, embedded systems architectures, and software/hardware integration.
- Experience with low-level device drivers, peripheral interfaces, and communication protocols (UART, SPI, I2C, etc.).
- Proficiency in debugging and troubleshooting embedded systems using hardware and software debugging tools.
- Familiarity with software configuration management tools and version control systems.
- Ability to work independently, prioritize tasks, and meet project deadlines.
- Excellent communication skills and the ability to collaborate effectively with multidisciplinary teams.
Desired Qualifications
- Experience with other microcontrollers and embedded platforms (ARM, PIC, AVR, etc.).
- Knowledge of power electronics and control algorithms.
- Familiarity with functional safety standards (ISO 26262) and safety-critical software development.
- Experience in developing software for real-time control applications.
- Knowledge of scripting languages (Python, Perl, etc.) for automation and testing purposes.
- Familiarity with software development methodologies, such as Agile or Scrum.
Benefits
Salary and Benefits: We offer a competitive salary and performance-based bonus program, top-tier benefits package, including medical, dental, and vision insurance, 401(k), and paid time off.
Apply now
Job expired?Please let Sol-Ark know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
Apply now
Job expired?Please let Sol-Ark know you found this job on Rejobs. This will help us grow and get more people to work on renewable energy!
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About the role
May 5, 2026
Full time
Company
- Allen, Texas, United States
10+ years
UTC-05:00