Lead Controls Software Engineer at Submer

Location: Houston Texas (office-based with periodic site visits) Employment Type: Full-time Department: Engineering / Controls & SoftwareAbout SubmerSubmer enables sustainable digital infrastructure by providing cutting-edge liquid cooling solutions for data centers. Our technology is designed to reduce environmental impact while improving performance and efficiency. We are a purpose-driven company with a passion for innovation and a growing global presence.What impact you will haveWere bringing on a Lead Controls / Software Engineer to drive the design development and integration of control systems that run our modular MEP platforms for data centers. This role is responsible for the full controls stack: architecture PLC/SCADA programming data integration control logic sequencing and system-level validation. Youll work closely with mechanical electrical and systems architects to define how each MEP module is monitored automated and coordinated so the entire facility operates reliably and efficiently. Youll also guide best practices review vendor implementations and help shape the long-term controls roadmap. This role reports to the Director of Engineering. What youll doOwn the architecture and development of control systems for modular MEP equipment across cooling power plumbing and support utilities. Define control strategies sequences of operation alarm logic failover logic and interlocks across mechanical and electrical systems. Develop PLC HMI and SCADA code and oversee software integration with building management systems EPMS and monitoring platforms. Produce control architecture diagrams network layouts data models and interface specifications. Lead cross-functional design reviews to ensure control systems align with mechanical electrical and systems architecture requirements. Review and approve vendor controls submittals functional specifications hardware selections and software implementations. Validate system performance during FAT SAT and commissioning including troubleshooting controls sensors networks and automation workflows. Coordinate with cybersecurity and IT teams to ensure controls networks meet security and reliability requirements. Establish coding standards documentation guidelines and version-control processes for internal and external partners. Mentor controls engineers and support training for engineering operations and commissioning teams. Support continuous improvement of the MEP modules by identifying opportunities for automation optimization and predictive insights. What youll needBachelors degree Controls Engineering Computer Engineering or related discipline. 8 years of experience in controls engineering automation or industrial software development ideally with mission-critical facilities or modular equipment. Strong hands-on experience with PLC programming (Allen-Bradley Siemens or equivalent) and HMI/SCADA platforms. Solid understanding of control theory sequencing PID loops interlocks and safety logic. Familiarity with mechanical and electrical systems found in data centers (cooling systems switchgear power distribution pumps valves sensors). Experience with industrial communication protocols (Modbus BACnet OPC UA Ethernet/IP). Ability to read and produce P&IDs control narratives wiring diagrams and network architecture documents. Experience with commissioning field testing and troubleshooting automation systems. Strong communication and documentation skills. Experience leading smaller teams or mentoring engineers in a controls environment. Our job titles may span more than one job level. The actual base pay is dependent on a number of factors such as transferable skills work experience business needs and market demands.What we offerAttractive compensation package refleting your expertise and experience.Medical Insurance Plan.401k Employee volunteer contribution Plan.A great work environment characterised by friendliness international diversity flexibility and a hybrid-friendly approach.Youll be part of a fast-growing scale-up with a mission to make a positive impact offering an exciting career evolution. Our Inclusive ResponsibilitySubmer is committed to creating a diverse and inclusive environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race color religion gender gender identity or expression sexual orientation national origin genetics disability age veteran status or any other protected category under applicable law. Key Skills Spring,.NET,C/C++,Go,React,OOP,C#,Data Structures,JavaScript,Software Development,Java,Distributed Systems Experience: years Vacancy: 1