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Submer · 3 hours ago

Lead Controls / Software Engineer

Greater Houston

Full-time

Onsite

Lead/Staff

8+ years exp

Submer is a company focused on sustainable digital infrastructure through innovative liquid cooling solutions for data centers. The Lead Controls / Software Engineer will be responsible for designing and integrating control systems for modular MEP platforms, ensuring efficient and reliable operation across various utilities.

CleanTechCloud InfrastructureData Center AutomationEnergy EfficiencyHardwareIT InfrastructureRobotics

Responsibilities

Own 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

Qualification

PLC programmingHMI/SCADA platformsControl theoryIndustrial communication protocolsControls engineeringTeam leadershipCommunicationDocumentation skills

Required

Bachelor's 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