Principal Software Development Engineer

Posted Yesterday
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Sunnyvale, CA, USA
In-Office
201K-261K Annually
Expert/Leader
Security • Software • Cybersecurity
The Role
Senior engineering role to design, implement, and maintain networking software and core systems. Hands-on development, debugging, integration of 3rd-party and proprietary code, REST API work, multi-process/thread programming, and collaboration with cross-functional teams to deliver high-quality features on schedule.
Summary Generated by Built In

As a Principal Software Engineer, you will:

  • Work with developers within the team and on other cross-functional projects, as well as project management to drive, develop, and maintain the product
  • Develop and maintain software components on current and future products
  • Hands on in bug fixing current products
  • Implement software features of high quality and on schedule
  • Integrate, maintain, and improve both 3rd-Party and proprietary code.
  • Design and implement core systems and frameworks, as well new features that build off them
  • Communicate effectively, both verbal and written

We Are Looking For:

  • Minimum of 10 years of experience in networking related software development
  • B.S. in Computer Science or Electrical Engineering; M.S. highly preferable
  • Strong C/C++ experience in Unix/Linux in environment are essential
  • Strong understanding of REST API semantics and their application in networking appliances
  • Experience in using libcurl for formulating REST API calls
  • Experience with JSON data objects and their creation and parsing semantics
  • Experience with multi process/thread programming using Posix and System 
  • Solid grasp of networking fundamentals, specifically TCP/IP networking, switching and routing
  • Solid understanding of principles of network management
  • Knowledge of general QA procedures and methodologies as well as software development fundamentals
  • Experience with embedded systems is a plus
  • Experience with networking principles is a plus
  • Experience with firewall configurations and operation is a plus

Must be authorized to work in the U.S. without sponsorship.

The US base salary range for this full-time position is $200,500 - $260,500. Fortinet offers employees a variety of benefits, including medical, dental, vision, life and disability insurance, 401(k), 11 paid holidays, vacation time, and sick time as well as a comprehensive leave program.

Wage ranges are based on various factors including the labor market, job type, and job level. Exact salary offers will be determined by factors such as the candidate's subject knowledge, skill level, qualifications, experience, and geographic location.

All roles are eligible to participate in the Fortinet equity program, Bonus eligibility is reviewed at time of hire and annually at the Company’s discretion.


Why Join Us:
We encourage candidates from all backgrounds and identities to apply. We offer a supportive work environment and a competitive Total Rewards package to support you with your overall health and financial well-being. Embark on a challenging, enjoyable, and rewarding career journey with Fortinet. Join us in bringing solutions that make a meaningful and lasting impact to our 660,000+ customers around the globe

Skills Required

  • Minimum of 10 years of experience in networking related software development
  • B.S. in Computer Science or Electrical Engineering
  • M.S. in a related field
  • Strong C/C++ experience in Unix/Linux environment
  • Strong understanding of REST API semantics and their application in networking appliances
  • Experience using libcurl for formulating REST API calls
  • Experience with JSON data objects and their creation and parsing semantics
  • Experience with multi process/thread programming using POSIX
  • Solid grasp of networking fundamentals, specifically TCP/IP networking, switching and routing
  • Solid understanding of principles of network management
  • Knowledge of general QA procedures and software development fundamentals
  • Experience with embedded systems
  • Experience with firewall configurations and operation
  • Authorized to work in the U.S. without sponsorship

Fortinet Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Fortinet and has not been reviewed or approved by Fortinet.

  • Affordable Benefits Medical coverage includes a no-premium HDHP option with HSA funding alongside PPO/HMO choices, reducing employee costs at enrollment. Eligibility starts on the date of hire and includes company-paid life and disability coverage.
  • Wellbeing & Lifestyle Benefits Mental-health access through Modern Health and an EAP offers therapy, coaching, and counseling resources. Lifestyle extras such as legal assistance, commuter benefits, pet-insurance discounts, and subsidized meals and snacks enhance everyday support.
  • Strong & Reliable Incentives Compensation packages include annual bonuses, sales commissions, and stock awards. Earnings potential can be strong in sales when quotas are realistic and attainment is high.

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The Company
HQ: Sunnyvale, CA
10,357 Employees
Year Founded: 2000

What We Do

Fortinet develops and sells cybersecurity solutions.

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