Senior Controls Engineer

Are you ready to make an impact and shape the future of sustainable energy? At IHI Terrasun Solutions, we're revolutionizing the world with cutting-edge solar and energy storage systems. To build on our incredible momentum, we're searching for curious, driven, and collaborative individuals to join our growing team.

If you're passionate about renewable energy but don't see a position that aligns with your expertise right now, don't worry Submit your resume, and we'll keep it on file for future opportunities that fit your skills and ambitions. Let's build a greener, cleaner future—together

As a subsidiary of IHI Corporation, a global leader with 165 years of expertise and $15 billion in revenue, IHI Terrasun Solutions combines the agility of a startup with the strength of an established energy industry giant. We specialize in solar + storage systems integration and lifecycle services, leveraging advanced hardware and software solutions.

Our proprietary technology enables seamless end-to-end energy optimization, powered by a talented team of innovators who are passionate about driving change in the energy landscape. With over 480 MWh installed and 1 GWh of projects in advanced stages, we're at the forefront of solar + storage innovation.

Position Summary

The Senior Controls Engineer position is responsible for the development, implementation, and maintenance of controls software libraries, PLC hardware design, and documentation for battery energy storage projects and product solutions.

Primary Job Functions

Position Summary

This position is responsible for the development, implementation, and maintenance of controls software libraries, PLC hardware design, and documentation for battery energy storage projects and product solutions.

• Develop and maintain a universal, scalable PLC platform that integrates with multiple project configuration and equipment, including the maintenance of PLC BOM and specification
• Develop and maintain the control libraries for the energy storage controller, including the integration of new PCS and Battery configurations into the control libraries
• Develop and maintain design documentation, including FMEA's, System Requirements, Design Standards, and the Controls O&M Manual
• Support the development of the application specific HMI/UI for commissioning and operation of the energy storage system
• Testing and validation of developed components, including support for factory acceptance tests, on-site commissioning, and site acceptance tests.
• Vendor oversight – technical oversight of vendors for specific projects
• Participate in product planning and roadmap development
• Understand relevant safety and compliance requirements and ensure adherence
• Other responsibilities as assigned by the Engineering Manager

Other

• Seeks constant improvement, more efficient and less expensive ways and means in work processes.
• Updates job knowledge by participating in educational opportunities; reading professional publications; maintaining personal networks; participating in professional organizations.
• Performs special projects and other miscellaneous duties as assigned by senior management.
• Maintains high ethical standards in the workplace.
• Reports all irregular issues and problems to supervisors for solution.
• Maintains good communication with other management, office staff members and outside contacts.
• Complies with all company policies and procedures.
• Responsible for maintaining a clean and safe working area.
• Capable of performing with a high degree of latitude and independence, handling the most complex engineering issues.
• Possesses expert knowledge of subject matter.
• Provides leadership, coaching, and/or mentorship to Levels 1-3, and may act as a lead or first-level supervisor.

Job Dimensions (skills, knowledge & abilities)

• Knowledge of Medium and Low voltage distribution and protection systems
• Knowledge of Analog electronics (e.g., highly accurate power measurements)
• Familiarity with isolation, DC-DC power supplies, serial communication circuits
• Experience with battery and power management strongly desired
• Understanding of communications diagrams and advanced networking topology is required
• Working knowledge of network security, structured programming languages, energy storage control software, industrial communication protocols, and monitor and control systems
• Background with substation communication equipment and industrial protocols (MODBUS, DNP, ICCP, and OPC) is required
• Experience with design tools such as Microsoft Visio, etc. is required
• Experience with GE, Rockwell Automation, Schneider Electric or SEL PLC products, IEC programming languages, and Ignition HMI is a plus
• Agile, able to handle rapidly changing requirements
• Excellent communication skills (verbal/written)
• Proficient knowledge of Microsoft Office Suite and Windows system administration
• Ability to be self-motivated and perform duties in a collaborative working environment

Qualifications (Education & Work Experience)

• Bachelor's degree in Electrical, Industrial, Mechanical or Systems Engineering, Computer Science, Process Controls, Engineering Technology, or combination of education and relevant experience
• 8+ years' experience in power systems including high power (100 kW and above) inverters and DC systems or turbine controls
• 8+ years' experience in technical and data-related roles including demonstrated experience with implementing, operating, and maintaining PLC based control system software
• Proven employment history of increased responsibility and achievements

Tools & Equipment

• General office equipment including phones, fax, personal computer
• Proficiency with Microsoft Office, Microsoft Excel, Microsoft Project

Certificates/Licenses

• PE License (preferred)

Work Environment & Physical Demands

• The work environment characteristics described here are representative of those an employee encounters while performing the primary job functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.
• This is a remote position, and work is primarily performed in a home office environment. The employee is required to frequently sit and use hands and fingers and be able to reach with hands and arms. The employee must be able to read and analyze data in hard copy and on a computer screen. The employee must be capable of traveling, and may occasionally need to stand, walk, and lift up to 20 pounds.
• Travel required. No more than 10%.
• The physical demands described here are representative of those that must be met by an employee to successfully satisfy the essential job functions of this position. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

The national pay range for this role is $145,000 - $185,000 / year and is considered a Level P4 – Advanced Professional Individual Contributor role. This pay range may be slightly lower or higher based on the geographic location of the hired employee. The actual pay offered may vary based upon, but not limited to: education, skills, experience, proficiency, performance, and location. In addition to base salary, the total compensation package may also include participation in an annual discretionary bonus. IHI Terrasun Solutions offers a premium benefits package including 100% employer paid medical, dental, and vision coverage, unlimited paid time off, short-term & long-term disability insurance, 401(k) with match, life insurance, tuition assistance, and paid parental leave. We offer a remote-first work environment for most of our employees with flexible schedules.

The above job description identifies the essential job functions and skills needed by the person or persons assigned to this position. These job functions and skills are not intended to be a complete and exhaustive list of all responsibilities, duties and skills required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential job functions. The information contained herein is subject to change at the company's discretion.

At IHI Terrasun, we believe our people are our most valuable resource. That's why we prioritize your professional growth, work-life balance, and overall well-being.

• Comprehensive Health Coverage: 100% employer-paid health, dental, and vision insurance through our premium Anthem Blue Cross PPO plan.
• Retirement Planning: 401(k) plan with employer contribution matching.
• Financial Security: Employer-sponsored Life, AD&D, Short-Term, and Long-Term Disability Insurance.
• Professional Development: Tuition and continuing education stipend to support your growth.
• Inclusive and Supportive Culture: Work in an environment where collaboration, innovation, and mutual respect thrive.

Every member of our team plays a critical role in our success. By joining us, you'll have the opportunity to contribute to impactful projects, work with state-of-the-art technology, and help shape the future of renewable energy.

Even if there isn't a current opening that matches your expertise, we want to hear from you Submit your resume today, and we'll contact you when an exciting opportunity arises.

Together, we can make green energy the standard—not the exception.

Join us in building a brighter, more sustainable world. We're excited to hear from you