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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Controls Software Engineer - **Company:** Fluence (nasdaq: Flnc) - **Location:** Houston, TX, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** C (Programming Language), Agile Methodology, Systems Engineering, JIRA, Code Generation, Computer Programming, Continuous Delivery, Continuous Integration, Linux, Document Management Systems, Design of User Interfaces, Human-Computer Interaction, Unix Shell, MATLAB, Modbus, Message Queuing Telemetry Transport (MQTT), Scrum Methodology, Simulink, Software Engineering, Verification and Validation (Software), Stateflow, Transmission Control Protocol (TCP), Toolchain, Scripting, Mathworks, Git, Storage Technologies, Atlassian Tools - **Published:** August 1, 2026 - **Apply:** https://www.careerbuilder.com/job-details/principal-controls-engineer-houston-tx--6604a983-8340-4ee2-9e73-fe17c099c537 ## About the Role * Bachelor in the areas of Electrical, Electronics, or controls Engineering, Power Engineering related fields from an accredited university. Masters in Power system, Power electronics, Energy are preferrable. * Expertise in MathWorks Matlab/Simulink for model-based systems engineering. * Strong knowledge of power system market applications, power generation, and/or energy storage system controls. * Experience in closed-loop control algorithms. * Expertise using the Agile development framework and Git workflow. * Enthusiasm for getting things done, taking personal responsibility, adding value within a team setting, and ability to work with minimal supervision. * Willing and able to travel, domestically and internationally, up to 5% of the time. Additional Skills * 10+ years of control SW development experience with Master degree * MS or M.Tech in Power System, Power Electronics,Control systems, Software Engineering, from an accredited university. * Significant related work experience will be considered in place of a master's degree. * Expertise in control SW verification and validation. * Expertise in Simulink code generation and optimization. * Experience in Linux shell script programming. * Experience in CI/CD integration process and toolchain. * Experience with Industrial Protocols: Modbus TCP, MQTT, DNP3, IEC 61850. * Knowledge in HIL - Typhoon,OPAL are preferable., Agile Programming Methodologies, Atlassian JIRA, Budgeting, C Programming Language, Continuous Deployment/Delivery, Continuous Improvement, Continuous Integration, Control Engineering, Control Systems, Customer Relations, Customer Satisfaction, Document Management, Electricity, Electronics, Energy Efficiency, Git, Identify Issues, International Electro-Technical Commission (IEC), Linux Programming, MATLAB, Power Engineering, Root Cause Analysis, Scripting (Scripting Languages), Scrum Project Management and Software Development, Software Design, Software Development, Software Engineering, Software Validation, Storage Software, Systems Administration/Management, TCP (Transmission Control Protocol), Team Lead/Manager, Time Management, Unix Shell Programming, User Interface/Experience (UI/UX), Validation Testing, Willing to Travel ## Description We are looking for a Principal Controls Software Engineer with a passion for software design and extensive experience with power engineering, MathWorks Matlab/Simulink, Agile Scrum using Jira, and Git. Our Control System is comprised of three main applications: Controls, UI, and the Data Acquisition System. You will report to the Senior Manager Control Application Software Development. As a hands-on member of the development team, you will also do the work of delivering a releasable Increment of product at the end of each Sprint., * Serve as the Principal controls SW developer designing Fluence's energy storage system control SW for utility and grid applications. * Develop FOS Controls, integrate grid-scale battery and power conversion systems from industry-leading manufacturers. * Design, develop, build, and document FOS controls logic using MathWorksMatlab/Simulink/Stateflow and C. * Support requisition engineering. Troubleshoot field issues and identify root causes. * Focus on robustness, security, performance, scalability, and maintainability. * Meet project timelines and budget. * Track, manage, document, and report work using JIRA and Confluence. * Foster a spirit of teamwork that allows for impersonal disagreement over ideas, conflict, and expeditious resolution. * Understanding of grid codes, compliance, leading the team technically. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Flex your Energy: Building a Cloud-Native Platform for Renewable Energy Communities](https://www.wearedevelopers.com/videos/1990-flex-your-energy-building-a-cloud-native-platform-for-renewable-energy-communities) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) ## Related Articles - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Data Science & more: The Lopez dilemma](https://www.wearedevelopers.com/magazine/10-data-science-more-the-lopez-dilemma)