Software Engineer - Principal

Siemens EDA (Siemens Digital Industries Software); Santa Clara (CA); Hybrid; USD 154,000 - 278,000; Full time

Job summary

Siemens EDA's QuestaSim R&D team seeks a Principal Engineer to shape next‑generation simulation technology. You will architect cutting‑edge algorithms and software solutions guiding industry‑leading tools, taking ownership from concept through delivery alongside a senior engineering group.

Lead the design of complex, open‑ended problems, contribute to production‑quality components, and drive improvements in performance on UNIX/Linux platforms.

Qualifications

• 15–25 years of professional software engineering experience in large‑scale systems.
• Strong proficiency in C/C++, data structures, and algorithms.
• Deep expertise in compiler concepts and optimizations.
• Experience working on UNIX and/or LINUX platforms.
• Bachelor's or Master's degree in Computer Science, Electrical Engineering, Electronics Engineering, or a related technical field.

Responsibilities

• Architect and implement large‑scale simulation software components.
• Lead complex algorithm design for QuestaSim.
• Collaborate with senior engineers to deliver production‑quality engines.
• Drive continuous improvement and milestone delivery.

Skills

C/C++ proficiency

Data structures & algorithms

Compiler concepts & optimizations

Unix/Linux experience

Problem solving & independence

Education

Bachelor's or Master's in CS/EE or related

Job description

Siemens EDA is a global technology leader in Electronic Design Automation software. Our software tools enable companies around the world to develop highly innovative electronic products faster and more cost‑effectively. Our customers use our tools to push the boundaries of technology and physics to deliver better products in the increasingly complex world of chip, board, and system design.

Position Overview

Join the QuestaSim (Simulation) R&D team at Siemens EDA as a Principal Engineer and drive innovation in simulation technology. In this role, you'll architect cutting‑edge algorithms and software solutions that power industry‑leading simulation tools. Working alongside a senior group of engineers, you'll tackle complex technical challenges in a fast‑paced environment, taking ownership of strategic initiatives from conception through delivery. Your technical expertise, problem‑solving acumen, and leadership will directly shape the future of electronic design automation.

Key Responsibilities

• Develop and architect cutting‑edge algorithms and software design solutions for industry‑leading simulation tools
• Lead the conceptualization, definition, and implementation of complex, open‑ended problem scopes and innovative ideas
• Contribute to the development and enhancement of production‑quality components, algorithms, and engines while improving existing codebases
• Solve complex software problems in collaboration with senior engineers in a dynamic, fast‑paced environment
• Apply technical expertise and analytical thinking to achieve project milestones and deliver high‑quality software solutions
• Drive continuous improvement through self‑motivation, discipline, and focus on achieving personal and team goals

Qualifications

• 15–25 years of professional software engineering experience, with demonstrated expertise in architecting and implementing large‑scale systems
• Strong proficiency in C/C++, data structures, and algorithms
• Deep expertise in compiler concepts and optimizations
• Proven experience working on UNIX and/or LINUX platforms
• Excellent problem‑solving and analytical skills with a track record of delivering results independently
• Bachelor's or Master's degree in Computer Science, Electrical Engineering, Electronics Engineering, or a related technical field from an accredited institution

Why Us?

At Siemens Software, flexibility is how we work—hybrid by default, built on trust and autonomy. Together, 30,000 people across more than 200 countries build technology that shapes the real world. You'll grow through real projects, strong technical peers, and global mobility, backed by the scale and benefits of an industrial software leader. We're committed to equality and inclusion, and we hire based on merit, skills, and impact. Bring your curiosity and creativity and help us shape tomorrow!

Export Control Compliance

This position will be subject to U.S. export control requirements under the International Traffic in Arms Regulations (ITAR) and/or Export Administration Regulations (EAR). Employment is contingent on either verifying U.S. Person status or obtaining any necessary export license.

Commitment to Diversity

We are committed to creating an inclusive workplace. All employment decisions at Siemens are based on qualifications, merit, and business need. We welcome applications from all backgrounds and are dedicated to building a diverse workforce that reflects the communities we serve.

Pay

The pay range for this position is $154,200 - $277,600 annually with a target incentive of 10-15% of the base salary. The actual wage offered may be lower or higher depending on budget and candidate experience, knowledge, skills, qualifications, and premium geographic location.