Principal Engineer, Solutions Architecture
Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Nov 11, 2026. Dell Technologies scores A on the Alion truth index.
Principal Engineer, Solutions Architect - Liquid Cooling (RDHx & CDU Systems)
When our customers are looking for IT consulting expertise, where else would they turn but to the company driving human progress through technology? Our Solutions Architecture team within Professional Services are experts in package customization and integration as well as total end-to-end solutions in targeted industry segments. After thorough consultation with our customers and careful analysis, we develop new IT systems or replace existing systems that support customers’ strategic, operational and financial goals.
What you’ll achieve:
As a Principal Engineer, you will design and implement critical services, lead complex refactors, and champion quality. You will collaborate across teams to resolve dependencies and raise performance and reliability.
Join us to do the best work of your career and make a profound social impact as a Principal Engineer on our Solutions Architecture team.
You will:
Customer Engagement & Post Sales Architecture
- Lead technical discovery sessions with customers to gather thermal, environmental, mechanical, and operational requirements.
- Design end to end liquid cooling solutions featuring rear door heat exchangers, CDUs, manifolds, hoses, fittings, and facility water loop considerations.
- Produce detailed solution designs including schematics, BOMs, system flow diagrams, thermal performance expectations, and installation guidelines.
- Translate customer requirements into scalable, supportable, and reliable architectures.
Deployment & Field Support
- Support field engineering teams during installation, commissioning, and validation of RDHx and CDU systems.
- Provide technical oversight on-site or remotely, ensuring the deployed system aligns with the approved design.
- Troubleshoot flow rates, pressure drops, temperature deltas, coolant quality, sensor behavior, and CDU operational parameters.
- Assist with acceptance testing, monitoring configurations, and integration with facility cooling infrastructure.
Internal SME & Cross-Functional Collaboration
- Serve as the internal authority on liquid cooling within engineering, operations, sales, and product.
- Develop internal documentation: reference architectures, best practices, safety guidelines, and deployment playbooks.
- Train field teams and adjacent groups unfamiliar with liquid cooling practices.
- Collaborate with OEMs and vendors to stay aligned with the latest RDHx and CDU technologies.
Practice Development
- Define standards and repeatable processes for liquid cooling implementations.
- Contribute to service offerings that support deployment, maintenance, and ongoing optimization of liquid cooling systems.
- Help shape long-term strategy and roadmap as our liquid cooling practice grows.
Take the first step towards your dream career
Every Dell Technologies team member brings something unique to the table. Here’s what we are looking for with this role:
Essential Requirements
Technical Experience
- 7+ years in data center infrastructure, solutions architecture, mechanical/thermal engineering, or HPC environments
- Hands-on experience with:
o Rear-door heat exchangers (enclosed or active systems)
o Cooling Distribution Units (CDUs), Secondary Fluids Network (SFN) design and fabrication
o Coolant loop design, manifolds, flexible hose routing, connectors, drip less fittings, sensors, etc.
o Rack and system level liquid cooling technologies, including multiple cooling loops, and direct-to-chip cooling
- Strong understanding of:
o Heat transfer, thermodynamics, and fluid mechanics
o Facility water loops and integration points
o Flow balancing, delta T analysis, and pump performance curves
o Leak detection and safety best practices
- Familiarity with data center power/cooling concepts (rack-level thermals, airflow management).
Architecture & Customer-Facing Skills
- Experience conducting customer requirement gathering and converting needs into detailed solution architectures.
- Ability to write clear architectural documentation, diagrams, and BOMs.
- Comfort supporting deployments hands on and resolving technical issues in the field.
- Ability to travel to customer’s locations
Soft Skills
- Excellent communication and customer engagement skills.
- Ability to simplify complex engineering topics for non technical audiences.
- Self starter comfortable defining processes and building practice maturity.
- Working cross-functionally across different teams
Preferred Qualifications
- Bachelor’s degree or higher in Mechanical Engineering, Thermal Engineering, or similar field.
- Proficiency with Thermal Simulation tools (ANSYS Icepak, FloTHERM, FloEFD, ANSYS Mechanical)
- Experience with high density compute environments (AI/ML, HPC, GPU racks).
- Data center related certifications (CDCP, CDCS, DCEP Generalist, DCEP-HVAC Specialist etc.).
- Familiarity with RDHx and CDU vendors such as Vertiv, Schneider Electric, Motivair, Liebert, Rittal, nVent, CoolIT, etc.
- Knowledge of monitoring and control systems (Modbus, BACnet, SNMP, CDU controllers).