Senior Systems Validation & Integration Engineer – Modular Data Centers [Hybrid/Houston, TX -USA]

Senior Systems Validation & Integration Engineer – Modular Data Centers 

Location: Houston, TX (Onsite/Hybrid) 

Start: ASAP

Type of Contract: Full Time / Permanent

Travel Requirements: 10%

About Submer 

Submer designs and delivers end-to-end AI datacenter infrastructure built around industry-leading liquid cooling. We help organizations scale AI beyond the limits of traditional datacenters by enabling higher density, greater efficiency and lower environmental impact – accelerating time-to-AI from first deployment to full production. 

What impact you will have 

We are seeking a highly driven and technically rigorous Senior Systems Validation & Integration Engineer to lead the end-to-end validation and integration of our modular data center platform. 

This role is critical to ensuring that all subsystems—including power, cooling, controls, networking, compute infrastructure, software, monitoring, and mechanical systems—operate seamlessly as a fully integrated solution. 

The position is based in Houston, TX and requires full-time onsite presence, as this individual will play a key role in building and operating our validation lab infrastructure. This role demands 100% commitment to the success of this project, from early integration through full system validation and deployment readiness. 

What you will do 

System Integration & Validation 

• Lead end-to-end system validation of modular data center platforms across all subsystems 

• Ensure seamless integration of electrical, mechanical, thermal, controls, networking, and compute components 

• Define and execute validation strategies, test plans, and acceptance criteria 

Lab Development & Testing Infrastructure 

• Design, build, and scale the Houston-based validation lab environment 

• Establish testing infrastructure, tools, and processes to support system-level validation 

• Oversee lab operations, including test setup, instrumentation, and data collection 

Cross-Functional Collaboration 

• Work closely with engineering, product, manufacturing, software, and operations teams to ensure system readiness 

• Coordinate integration activities across hardware, software, and infrastructure domains 

• Act as the technical bridge between design, build, and deployment teams 

Performance, Reliability & Troubleshooting 

• Validate system performance under real-world and stress conditions 

• Identify, isolate, and resolve integration issues across multiple subsystems 

• Drive root cause analysis and corrective actions 

Documentation & Reporting 

• Maintain detailed validation reports, test results, and system performance data 

• Provide clear updates to leadership on readiness, risks, and integration milestones 

• Contribute to standards, best practices, and continuous improvement initiatives 

What you will need 

• Bachelor’s or Master’s degree in Electrical Engineering, Mechanical Engineering, Systems Engineering, or a related field 

• 7–10+ years of experience in systems integration, validation, or test engineering 

• Hands-on experience with complex, multi-disciplinary systems (data centers, modular infrastructure, industrial systems, or similar) 

• Strong understanding of:  

• Power systems and electrical distribution 

• Cooling systems (air and/or liquid) 

• Networking and compute infrastructure 

• Controls systems and monitoring platforms 

• Experience building or managing lab / test environments is highly preferred 

• Proven ability to diagnose and resolve complex integration issues 

• Strong communication and cross-functional collaboration skills 

Key Competencies 

• Systems thinker with strong attention to detail 

• Hands-on, problem-solving mindset 

• Ability to operate in fast-paced, build-as-you-go environments 

• High ownership and accountability 

• Strong organizational and execution skills 

What we offer 

• Attractive compensation package reflecting your expertise and experience. 

• Medical Insurance Plan. 

• 401k Employee volunteer contribution Plan. 

• A great work environment characterized by friendliness, international diversity, flexibility, and a hybrid-friendly approach. 

• You´ll be part of a fast-growing scale-up with a mission to make a positive impact, offering an exciting career evolution. 

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. 

Our inclusive responsibility 

Submer 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. 

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