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Principal Software Engineer - QuestaSim Constraint Solver

AT Siemens Digital Industries Software
Siemens Digital Industries Software

Principal Software Engineer - QuestaSim Constraint Solver

Tualatin, OR

Siemens-EDA is a global technology leader in Electronic Design Automation, providing software solutions that help engineers around the world design and manufacture new and highly innovative electronic products. Each year, our customers use our tools to push the boundaries of technology and physics in order to deliver smaller, faster and more reliable products that run the world's high tech devices.

Position Overview

We are seeking a Principal Software Engineer to join the QuestaSim solver team, focused on enhancing the SystemVerilog constraint solver - a core engine in our industry-leading verification platform. This is a highly technical role ideal for someone passionate about algorithms, performance optimization, and constraint solving.

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You'll work at the intersection of software engineering, formal methods, and high-performance computing, helping evolve one of the most advanced constraint-solving engines in the EDA space.

Responsibilities

  • Develop efficient algorithms and heuristics for solving large, complex constraint systems
  • Analyze and improve solver performance, scalability, and reliability
  • Collaborate with product management and cross-functional teams to define technical direction and requirements
  • Provide technical leadership through code reviews, mentoring, and architectural guidance
  • Stay current with advancements in SAT/SMT solving, constraint programming, and EDA methodologies

Qualifications

  • BS/MS/Ph.D. in Computer Engineering, Electrical Engineering, Computer Science or a related field
  • 10+ years of experience in software development, with strong proficiency in C/C++ in Linux/Unix environments
  • Expertise in algorithm design, graph theory, and computational complexity
  • Demonstrated ability to profile, tune, and optimize performance-critical systems
  • Strong problem-solving skills, attention to detail, and ability to work independently on large codebases
  • Excellent communication skills and the ability to influence technical direction

Preferred Qualifications

  • Familiarity with SystemVerilog, EDA tools, and semiconductor design/verification flows
  • Experience with SAT/SMT solvers, constraint programming, or symbolic execution
  • Understanding of parallelism, multi-threading, and scalable system design
  • Prior contributions to verification tools or formal methods frameworks

Why us?

Working at Siemens Software means flexibility - Choosing between working at home and the office at other times is the norm here. We offer great benefits and rewards, as you'd expect from a world leader in industrial software.

A collection of over 377,000 minds building the future, one day at a time in over 200 countries. We're dedicated to equality, and we welcome applications that reflect the diversity of the communities we work in. All employment decisions at Siemens are based on qualifications, merit, and business need. Bring your curiosity and creativity and help us shape tomorrow!

Siemens Software. Transform the Everyday

The salary range for this position is $151,300 to $272,400 and this role is eligible to earn incentive compensation. The actual compensation offered is based on the successful candidate's work location as well as additional factors, including job-related skills, experience, and relevant education/training. Siemens offers a variety of health and wellness benefits to employees. Details regarding our benefits can be found here: www.benefitsquickstart.com. In addition, this position is eligible for time off in accordance with Company policies, including paid sick leave, paid parental leave, PTO (for non-exempt employees) or non-accrued flexible vacation (for exempt employees).

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Equal Employment Opportunity Statement
Siemens is an Equal Opportunity and Affirmative Action Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, and other categories protected by federal, state or local law.

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Criminal History
Qualified applications with arrest or conviction records will be considered for employment in accordance with applicable local and state laws.

Client-provided location(s): Wilsonville, OR, USA
Job ID: Siemens_Digital-456492-en-1
Employment Type: Other

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Health Reimbursement Account
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • FSA
    • FSA With Employer Contribution
    • HSA
    • HSA With Employer Contribution
    • Fitness Subsidies
    • On-Site Gym
    • Pet Insurance
    • Mental Health Benefits
    • Virtual Fitness Classes
  • Parental Benefits

    • Birth Parent or Maternity Leave
    • Non-Birth Parent or Paternity Leave
    • Family Support Resources
    • On-site/Nearby Childcare
    • Adoption Leave
  • Work Flexibility

    • Flexible Work Hours
    • Remote Work Opportunities
    • Hybrid Work Opportunities
    • Work-From-Home Stipend
  • Office Life and Perks

    • Commuter Benefits Program
    • Casual Dress
    • Happy Hours
    • Snacks
    • Some Meals Provided
    • Company Outings
    • On-Site Cafeteria
    • Holiday Events
  • Vacation and Time Off

    • Paid Vacation
    • Unlimited Paid Time Off
    • Paid Holidays
    • Personal/Sick Days
    • Sabbatical
    • Leave of Absence
    • Volunteer Time Off
  • Financial and Retirement

    • 401(K)
    • 401(K) With Company Matching
    • Pension
    • Company Equity
    • Stock Purchase Program
    • Performance Bonus
    • Relocation Assistance
    • Financial Counseling
    • Profit Sharing
  • Professional Development

    • Tuition Reimbursement
    • Learning and Development Stipend
    • Promote From Within
    • Mentor Program
    • Shadowing Opportunities
    • Access to Online Courses
    • Lunch and Learns
    • Internship Program
    • Work Visa Sponsorship
    • Leadership Training Program
    • Associate or Rotational Training Program