Senior Level Principal Software Engineer Jobs
Senior level principal software engineer jobs place experienced engineers in positions of technical authority, where they own architectural direction, drive cross-functional outcomes, and lead the teams and projects that shape product at scale. Openings lean heavily toward Technology & Software, Electronics & Hardware, and Banking & Financial Services, with 38% remote or hybrid availability, and employers like Palo Alto Networks, NVIDIA, and Snap hiring at this level now.
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INTRODUCTION
Arrcus was founded to enhance business efficiency through superior network connectivity. The Arrcus Connected Edge (ACE) platform offers best-in-class networking with the most flexible consumption model at the lowest total cost of ownership. The Arrcus team comprises world-class technologists with an unparalleled record in shipping industry-leading networking products, complemented by industry thought leaders, operating executives, strategic partners, and top-tier VCs. The company is headquartered in San Jose, California. We offer a variety of roles in software, hardware, and cloud environments. We are looking for people who are self-motivated, creative, and agile. You will work closely with the top-notch talent in Arrcus in redefining networking. Prior work experience in a venture-backed company is a big plus.
ROLE AND RESPONSIBILITIES
- Write Feature Spec covering the requirements and detailed design
- Implement improvements and features individually or as part of a team
- Triage, resolve internal and customer found issues
- Evaluate, Integrate third party libraries
- Peer review of Feature Spec, Code, Test Plan and other engineering documents
- Improve performance/scale of existing features/solutions
- Help with interview, onboarding and mentoring of new hires
- Work with customer and product teams to understand new requirements
- Plan, schedule, track and periodically report the project status all the way to customer delivery
- Lead a team which is implementing features and improvements
- Drive engineering wide initiatives for quality/scaling of shipping products and technologies
- Participate in Architecture and Design of new engineering initiatives
- Intellectual Property (IP) Protection - consider filing patents for Innovations involved in our products
- Industry engagements on technical level - papers, blogs, talks, standards delivery
BASIC QUALIFICATIONS
- BS/MS/PhD in Computer Engineering/Computer Science or equivalent degree
- Ability to write high-quality C/C++/Go/Python code
- Expert in using AI tools for development, review and building shareable tools
- 15+ years of relevant hands-on development experience in some of the following technologies
- Linux OS internals, Kernel, memory management
- Networking - TCP/IP, Routing protocols (BGP/OSPF/ISIS) and security protocols (IPSEC/TLS/MACsec)
- High Availability and ISSU
- Containers, Virtual Machines (VM)
- Orchestration frameworks like Kubernetes, Docker, KVM
- Hands on experience with one or more of the following public cloud platforms: AWS, Azure, GCP, OCI
- Proficiency in DevOps tools like Terraform, Helm
PREFERRED QUALIFICATIONS
Prior work experience in a startup or venture-backed company is a big plus.
BENEFITS
- Bonus + Equity
- Parental leave
- 401k retirement plan
- Employee Assistance programs
- Weekly Catered lunches at our San Jose office
- Monthly happy hours at our San Jose office
SALARY
200,000 to 225,000 /yr
EQUAL OPPORTUNITY
At Arrcus, we’re proud to be an equal opportunity employer. We realize the key to creating a company with a world-class culture and employee experience comes from who we hire and creating a workplace that celebrates everyone. A strong belief in culture addition will propel us forward together. With this, we consider qualified applicants without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sexual orientation, pregnancy, sex, gender identity, gender expression, genetic information, physical or mental disability, HIV status, registered domestic partner status, caregiver status, marital status, veteran or military status, citizenship status or any other legally protected category. This policy applies to all terms and conditions of employment, including but not limited hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, benefits, compensation, and training.
LOCATION
San Jose, CA
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Find JobsSenior Level Principal Software Engineer Job Market
Who's Hiring
- Palo Alto Networks10

- NVIDIA7

- Snap5

- Roblox4

- loanDepot4

Top Industries Hiring
- Technology & Software84
- Electronics & Hardware12
- Banking & Financial Services9
- Manufacturing8
- Biotechnology & Pharmaceuticals6
Senior Level Principal Software Engineer Jobs: Frequently Asked Questions
How do I get a senior level principal software engineer job?
Employers hiring at this level look for engineers who have already led high-stakes technical decisions and influenced engineering culture, not just shipped features. A strong candidate demonstrates ownership of system-wide architecture, a history of mentoring engineers, and the ability to align technical strategy with business goals. Concrete examples of cross-team impact and measurable outcomes carry the most weight in the application process.
Which companies hire senior level principal software engineers?
Companies hiring senior level principal software engineers right now include Palo Alto Networks, NVIDIA, and Snap, based on current listings on Migrate Mate as of November 2026. Hiring at this level covers large technology companies, financial institutions, and growth-stage enterprises that need senior individual contributors to set technical direction without moving into management.
Are there remote senior level principal software engineer jobs?
Yes, remote and hybrid options are common at this level. About 38% of senior level principal software engineer openings are remote or hybrid as of November 2026, reflecting how many organizations trust senior engineers to operate independently across distributed teams. On-site roles do exist, particularly at companies where close collaboration on complex infrastructure is a priority.
What makes a principal software engineer role senior level?
A senior level principal software engineer role is defined by scope and ownership rather than task execution. Engineers at this stage are expected to own architectural decisions across multiple systems, set technical standards for the broader engineering organization, and actively develop the engineers around them. The work shifts from delivering within a defined scope to defining the scope itself and ensuring the team can execute against it.
Which industries hire the most senior level principal software engineers?
Senior Level principal software engineer roles concentrate in Technology & Software, Electronics & Hardware, and Banking & Financial Services, based on current listings on Migrate Mate as of November 2026. These sectors drive hiring at this level because they operate complex, high-scale systems where senior engineering leadership directly affects product reliability, platform growth, and competitive differentiation.