Full-Time
Principal Thermal Engineer
Oracle
10,001+ employees
Enterprise software and cloud computing provider
Compensation Overview
$114.6k - $234.6k/yr
Houston, TX, USA + 1 more
More locations: Nashville, TN, USA
In Person
On-site role at Houston and Nashville; travel domestically and internationally to manufacturing sites.
Bachelor's, Master's
 Mechanical Engineering (2) |
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- Bachelor’s or Master’s degree in Mechanical Engineering, Chemical Engineering, Materials Science, or a closely related field.
- 5+ years of experience in thermal systems engineering, preferably with direct experience in liquid cooling for high-performance computing or data centers.
- Hands-on experience with manufacturing processes, supplier management, and technology transfer.
- Strong understanding of liquid cooling–specific reliability, safety, and performance challenges.
- Demonstrated experience in supplier development, process audit, and technical troubleshooting.
- Excellent verbal and written communication skills; able to translate complex technical information for varied audiences.
- Ability to travel domestically and internationally to manufacturing sites as required.
- Experience with cold plate cooling systems.
- Familiarity with industry standards, guidelines, and environmental compliance for data center cooling (ASHRAE, OCP, RoHS, etc).
- Prior exposure to scaling cooling systems from lab/POC to mass production.
- Exposure and experience with coolant chemistries and technologies.
- Serve as the technical lead for direct-to-chip liquid cooling systems with a focus on collaboration across external manufacturers and internal stakeholders.
- Develop and maintain technical specifications and requirements for direct-to-chip cooling solutions.
- Oversee the qualification, integration, and mass production of liquid cooling systems at external manufacturing sites, ensuring adherence to company quality, safety, and performance standards.
- Drive joint problem-solving efforts on yield, performance, and manufacturing challenges related to liquid cooling technologies.
- Review and validate engineering designs, ensuring alignment with system-level requirements (mechanical, fluid, thermal, and electrical interfaces).
- Review and audit supplier manufacturing processes for compliance with company and industry regulations.
- Support the continuous improvement of cooling designs based on manufacturing feedback and field data.
- Prepare, review, and maintain documentation, including test plans, technical reports, process control documents, and validation results.
- Provide technical training and guidance to manufacturing partners as needed.
Oracle provides enterprise software and cloud services, including database management, middleware, applications, and developer tools. Its core product is the Oracle Database, a relational database that stores and retrieves data using SQL; customers can run it on premises or in the Oracle Cloud, and they can use accompanying tools for data analytics, security, and integration. Oracle also offers a broad suite of applications (like ERP, HR, and health IT) and a cloud platform to build, deploy, and manage software. The company differentiates itself through a long history and large, integrated portfolio that connects database technology with applications, middleware, hardware, and cloud services, plus a track record of major acquisitions that broaden its scope. Its goal is to help organizations store, manage, and analyze data at scale, automate business processes, and run software in a unified, multi-environment cloud and on-premises setup.
Company Size
10,001+
Company Stage
IPO
Headquarters
Austin, Texas
Founded
1977
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Simplify's Take
What believers are saying
- Oracle's fiscal 2026 revenue rose 21% to $19.2 billion, driven by OCI growth.
- Minor Hotels and CACI expanded Oracle deployments on August 3-4, 2026.
- Oracle plans AMD MI450 superclusters starting Q3 2026, strengthening its AI infrastructure moat.
What critics are saying
- Oracle cut 21,000 jobs by May 2026 while paying $1.8 billion severance.
- Oracle burned $23.7 billion free cash flow in FY2026 and targets $70 billion capex.
- Oracle's OpenAI-heavy backlog concentrates existential counterparty risk inside a single customer relationship.
What makes Oracle unique
- Oracle's July 2026 OCI backlog reached $638 billion, dwarfing annual revenue.
- Oracle integrates OCI, Fusion, and OpenAI Marketplace billing across one enterprise stack.
- Oracle's August 11, 2026 Quantinuum deal adds quantum access inside OCI AI data centers.
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Benefits
401(k) Savings and Investment Plan with company match
Paid time off: Flexible Vacation is provided to all eligible employees assigned to a salaried (non-overtime eligible) position. Accrued Vacation is provided to all other employees eligible for vacation benefits. For employees working at least 35 hours per week, the vacation accrual rate is 13 days annually for the first three years of employment and 18 days annually for subsequent years of employment. Vacation accrual is prorated for employees working between 20 and 34 hours per week. Employees working fewer than 20 hours per week are not eligible for vacation.
11 paid holidays
Paid sick leave: 72 hours of paid sick leave upon date of hire. Refreshes each calendar year. Unused balance will carry over each year up to a maximum cap of 112 hours.
Paid parental leave
Adoption assistance
Employee Stock Purchase Plan
Financial planning and group legal
Voluntary benefits including auto, homeowner and pet insurance
Growth & Insights and Company News
6 month growth
↑ 1%1 year growth
↑ 1%2 year growth
↑ 2%Quantinuum and Oracle have announced a multi-year partnership to integrate Quantinuum's Helios quantum computer into Oracle Cloud Infrastructure. OCI customers will gain direct access to Helios, which Quantinuum describes as the most accurate commercial quantum computer, alongside OCI's high-performance computing and GPU infrastructure. The 98-physical-qubit trapped-ion system achieves an average two-qubit gate fidelity of 99.921%. Helios uses significantly less energy than supercomputers, with an estimated power draw of less than 1% compared to leading supercomputers. The partnership aims to create a hybrid quantum-AI computing environment for enterprise workloads in materials discovery, drug development, logistics, energy, and financial modelling. Oracle plans to preview its OCI quantum service in the coming months, enabling developers to move from simulation to execution on quantum hardware. Quantinuum employs approximately 800 people globally, with over 70% of its technology team holding PhDs or master's degrees.
Oracle's transformation from a traditional software company into an AI infrastructure business has dramatically shifted its financial profile. The company now spends over 80% of revenue on capital expenditures, compared to a historical average of 4.3%, with free cash flow swinging from 32% of revenue to negative 35%. The spending funds AI data centre construction in locations including Abilene, Texas and Port Washington, Wisconsin. Oracle delivered more than 1.2 gigawatts to customers in fiscal 2026 and expects around $70 billion in net capital expenditure for fiscal 2027. The company plans to raise roughly $40 billion through debt and equity in fiscal 2027 to fund this expansion. Remaining performance obligations reached $638 billion against $67 billion in annual revenue, indicating strong contracted demand. Oracle's stock has fallen approximately 40% over the past year as investors reassess the company's shift from software to infrastructure.
Michael Burry has disclosed short positions in Oracle and Nebius, two companies heavily invested in AI infrastructure. The investor famous for predicting the mid-2000s housing bubble announced the trades on Substack, shorting Oracle at approximately $145 and Nebius at around $212 per share. Burry criticised AI companies for accumulating "off-balance sheet liabilities" and suggested they have become bloated targets. Oracle shares have plummeted nearly 60% from their September peak of $350 amid debt concerns. Nebius stock fell 13% to $190 on Thursday, though it has still more than doubled this year. Burry previously profited from bearish Oracle puts in August. He warned that Nebius faces significant execution risk due to high costs and challenging customer commitments in the data centre business.
Oracle faces significant financial risks despite impressive cloud growth, with total debt reaching $156 billion and an additional $261 billion in unreported data-centre lease commitments. The company's Oracle Cloud Infrastructure revenue rose 46% to $9.9 billion in its fourth quarter, and it holds $638 billion in contracted future revenue. However, Oracle reported negative free cash flow of $24.5 billion in fiscal 2026. More concerning, approximately half of its revenue backlog depends on OpenAI, which is burning through cash at unprecedented rates. The S&P 500 fell over 7% through April before recovering nearly 20%. The tech-heavy Nasdaq Composite dropped more than 10% before rising nearly 25% from that low. Given that roughly 40% of the S&P 500's value concentrates in just 10 stocks—nearly all major tech companies—any AI industry issues could trigger broader market problems.
Michael Burry has exited his Microsoft position and closed his short on Oracle, according to a trading update on his Substack page. The "Big Short" investor first disclosed his Microsoft stake in April and recently unwound it, citing "lucky timing" whilst noting his enthusiasm for the company's earnings didn't match the market's response. Burry also closed his Oracle short position, consisting of January 2027 put options, taking "substantial" profit. He left open the possibility of re-entering Oracle puts if volatility decreases. The investor maintained his direct short position in Palantir despite the company's shares surging nearly 30% following blowout second-quarter results. Palantir's revenue nearly doubled to $1.94 billion, beating expectations.