Note: The job is a remote job and is open to candidates in USA. Cisco is a leader in networking technology and is seeking a Package Mechanical Design Engineer to join their ASIC Group. The role involves leading mechanical and thermomechanical simulation efforts for ASICs and ensuring product reliability for high-performance systems.
Responsibilities
- Perform advanced finite element analysis (FEA) to evaluate thermomechanical reliability of ASIC packages and board-level assemblies, including stress, warpage, and interconnect integrity
- Lead solder joint reliability simulations, including thermal cycling, mechanical shock, and vibration, and develop lifetime prediction models based on industry methodologies (e.g., Coffin-Manson, Darveaux)
- Model and analyze time-dependent material behavior, including creep, viscoplasticity, and fatigue, with temperature- and rate-dependent effects for solder materials and underfills
- Drive board-level reliability (BLR) assessments, including PCB–package interactions, SMT effects, and system-level constraints
- Correlate simulation results with reliability testing data (e.g., TCT, drop test, field returns) to improve model accuracy and predictive capability
- Develop and automate simulation workflows using Python, Fortran, or similar tools to improve efficiency and repeatability
- Provide design recommendations and reliability sign-off guidance to cross-functional teams, influencing package and system design decisions
- Document methodologies, assumptions, and results clearly to support engineering reviews and product qualification
Skills
- Bachelors + 7 years, or Masters + 4 years, or PhD + 1+ years in mechanical engineering or related field
- Hands-on experience in thermomechanical simulation of semiconductor packages and board-level assemblies
- Proven experience in solder joint reliability analysis, including fatigue and/or creep modeling
- Strong experience with FEA tools such as ABAQUS or ANSYS, including nonlinear material modeling
- Familiarity with CAD tools (e.g., Creo) and GD&T
- Ability to collaborate across global teams
- 5+ years in electronics packaging or board-level reliability (BLR) simulation
- Experience with solder constitutive models (e.g., Anand, viscoplastic models) and fatigue life prediction methodologies
- Knowledge of JEDEC/IPC reliability standards, including thermal cycling, drop, and mechanical testing
- Experience with advanced packaging technologies (flip chip, 2.5D/3D, heterogeneous integration)
- Background in correlation between simulation and reliability test data
- Strong scripting skills for simulation automation and data processing
Benefits
- Medical, dental and vision insurance
- A 401(k) plan with a Cisco matching contribution
- Paid parental leave
- Short and long-term disability coverage
- Basic life insurance
- Grants of Cisco restricted stock units, which vest following continued employment with Cisco for defined periods of time
- 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
- Non-exempt employees receive 16 days of paid vacation time per full calendar year, accrued at rate of 4.92 hours per pay period for full-time employees
- Exempt employees participate in Cisco’s flexible vacation time off program, which has no defined limit on how much vacation time eligible employees may use (subject to availability and some business limitations)
- 80 hours of sick time off provided on hire date and each January 1st thereafter, and 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
- Employees on sales plans earn performance-based incentive pay on top of their base salary, which is split between quota and non-quota components, subject to the applicable Cisco plan
- For non-sales roles, employees are also eligible to earn annual bonuses subject to Cisco’s policies
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