Cisco · 13 hours ago
Senior Thermal Engineer
San Jose, California, US
Full-time
Hybrid
Mid, Senior Level
$152K/yr - $222K/yr
4+ years expCisco is a leading technology company revolutionizing how data and infrastructure connect and protect organizations in the AI era. The Senior Thermal Engineer will design and develop thermal solutions for high-performance routers, conduct simulations and testing, and collaborate with cross-functional teams to deliver innovative solutions.
Telecom & CommunicationsEnterprise SoftwareHardwareSoftwareCommunications Infrastructure
Responsibilities
Design and develop thermal solutions (air cooled or liquid cooled) for systems with high-power ASICs and high-density optical transceivers
Develop detailed package, board, and system level simulations using Computational Fluid Dynamic tools such as Flotherm or Icepak to simulate and analyze thermal solutions
Perform thermal testing (including airflow, acoustic, thermocouple testing, modules, and/or platform level validations) to validate simulation models
Lead and mentor other thermal engineers in the group
Collaborate with mechanical engineers and other cross-functional teams to identify risks, strategically create simulations, plan and conduct validation testing, and deliver objective, data-driven solutions
Develop test plans and test reports
Qualification
Required
Bachelors in Mechanical or Thermal Engineering + 7 years of related experience, or Masters in Mechanical or Thermal Engineering + 4 years of related experience, or PhD in Mechanical or Thermal Engineering + 1 year of related experience
Experience in the design, simulation, and testing of thermal solutions for electronic devices and systems
Preferred
Experience in the thermal design of telecom, compute, or networking equipment
Experience in use of Computational Fluid Dynamic (CFD) analysis tools such as Flotherm or Icepak
Experience with performing other analysis such as Finite Element Analysis (FEA) and Data Center cooling simulations
Knowledge of advanced air-cooling technologies (vapor chamber and remote heat sinks, thermal interface materials, fans/fan trays)
Knowledge of liquid cooling and/or immersion cooling systems
Experience selecting fans, heat sinks, and other thermal components and the ability to work closely with thermal vendors
Benefits
Medical, dental and vision insurance
401(k) plan with a Cisco matching contribution
Paid parental leave
Short and long-term disability coverage
Basic life insurance
10 paid holidays per full calendar year, plus 1 floating holiday for non-exempt employees
1 paid day off for employee’s birthday
Paid year-end holiday shutdown
4 paid days off for personal wellness determined by Cisco
16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees
Flexible vacation time off program, which has no defined limit on how much vacation time eligible employees may use
80 hours of sick time off provided on hire date and each January 1st thereafter
Up to 80 hours of unused sick time carried forward from one calendar year to the next
Additional paid time away may be requested to deal with critical or emergency issues for family members
Optional 10 paid days per full calendar year to volunteer
Company
Cisco
Cisco develops, manufactures, and sells networking hardware, telecommunications equipment, and other technology services and products. It is a sub-organization of Cisco Press.
10001+ employees
H1B Sponsorship
Cisco has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1238)
2024 (1231)
2023 (1273)
2022 (2127)
2021 (1991)
2020 (1173)
Funding
Current Stage
Public CompanyTotal Funding
unknown1990-02-13IPO
Leadership Team
Chuck Robbins
Chair and CEO
Carl Solder
Chief Technology Officer - Cisco System Australia/New Zealand
Recent News
Sherwood News
2026-02-13
2026-02-13
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