Sol-Ark

Firmware Engineer

Join Sol-Ark in Allen, Texas as a Firmware Engineer developing real-time control firmware for power inverters. Work with TI C2000 microcontrollers and collaborate with hardware teams. Enjoy competitive salary, bonuses, and comprehensive benefits including medical and 401(k).
Sol-Ark
Sol-Ark
Allen, Texas, United States On-site Full time UTC-05:00

Sol-Ark

Company Overview

Name

Sol-Ark

Headquarters

Allen, TX, United States

Founded

2013

Size

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 a skilled Firmware Engineer to design and develop real-time control firmware for our next-generation power inverters. In this role, you will write high-performance code specifically for Texas Instruments (TI) C2000 Digital Signal Controllers (DSCs). You will collaborate closely with hardware engineers to implement advanced control loops, optimize power conversion, and ensure system reliability.

Responsibilities

  • Firmware Development: Write clean, optimized C/C++ firmware for TI C2000 microcontrollers (e.g., F2837x, F28004x, F2838x).
  • Control Implementation: Code real-time digital control loops (PI/PR controllers, SVPWM, grid synchronization PLLs) for power inverter topologies.
  • Peripheral Configuration: Configure C2000-specific peripherals including high-resolution PWMs (e.g., ePWM), fast ADCs, eCAP, and eQEP.
  • Driver Architecture: Develop low-level drivers and protocols for communication interfaces including CAN, SPI, I2C, and UART.
  • Testing & Debugging: Utilize JTAG debuggers, oscilloscopes, logic analyzers, and power supplies to test and validate firmware on physical hardware.
  • Safety & Protection: Implement time-critical fault detection and protection routines to safeguard hardware components against over-current and over-voltage.

Requirements

  • Education: Bachelor's degree in Electrical Engineering, Computer Engineering, or a related field.
  • Experience: 3+ years of experience in embedded firmware development for power electronics.
  • MCU Expertise: Proven experience programming TI C2000 DSCs using Code Composer Studio (CCS) and C2000Ware.
  • Domain Knowledge: Deep understanding of power inverter operations, switching topologies, and digital control theory.
  • Optimization: Experience utilizing the C2000 Control Law Accelerator (CLA) or Trigonometric Math Unit (TMU) for parallel processing.

Desired Qualifications

  • Familiarity with functional safety standards like ISO 26262 or IEC 61508.
  • Knowledge of dual-core architecture programming and inter-processor communication (IPC).

Benefits

We offer a competitive salary and performance-based bonus program, medical, dental, vision, accidental, FSA, HSA, Paid Time Off (PTO), and 401(k).

Apply now

Job expired?

Please let Sol-Ark know you found this job on Rejobs. It helps us grow and get more people working in renewable energy.

About the role

August 11, 2026

August 14, 2026

Full time

On-site

Company

Solar Energy, Wind Energy, Energy Storage

Sol-Ark

sol-ark.com

  •  Allen, Texas, United States

3+ years in embedded firmware development

UTC-05:00