Junior Firmware Engineer – Network Security & Filtering jobs in United States
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Fortinet · 8 hours ago

Junior Firmware Engineer – Network Security & Filtering

Fortinet is a leading cybersecurity company that secures enterprise, service provider, and government organizations globally. They are seeking a Junior Firmware Engineer to work on network security features within OpenWrt-based firmware, focusing on firewall rules, DNS filtering, and IDS/IPS configuration under mentorship.

Cyber SecurityMobileNetwork SecuritySecurity
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Comp. & Benefits
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H1B Sponsor Likelynote

Responsibilities

Configure, test, and tune existing IDS/IPS systems under senior guidance
Assist with DNS filtering and firewall rule improvements
Write test cases to validate expected security behavior
Analyze logs and network traffic to understand detections and outcomes
Contribute to security specifications and documentation with mentorship
Use AI tools for log analysis and research with careful validation
Participate in code reviews and security discussions

Qualification

CPythonNetworking conceptsLinux environmentsAnalytical mindsetSecure development practicesCuriosityWillingness to learnAttention to detail

Required

B.S. in Computer Science, Computer Engineering, Cybersecurity, or related field (0–2 years experience)
Proficiency in C and basic scripting (Python or shell)
Understanding of core networking concepts (TCP/IP, DNS, firewalls)
Familiarity with Linux environments
Analytical mindset and attention to detail
Interest in learning secure development practices

Preferred

Exposure to IDS/IPS tools, firewalls, or content filtering
Coursework or projects related to network security
Experience analyzing network traffic
Participation in open-source projects

Benefits

Medical
Dental
Vision
Life and disability insurance
401(k)
11 paid holidays
Vacation time
Sick time
Comprehensive leave program

Company

Fortinet

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Fortinet is a provider of network security appliances that include firewalls, security gateways, and complementary products. It is a sub-organization of Fortinet Federal.

H1B Sponsorship

Fortinet has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (200)
2024 (152)
2023 (155)
2022 (175)
2021 (139)
2020 (161)

Funding

Current Stage
Public Company
Total Funding
$89M
Key Investors
Meritech Capital PartnersDEFTA Partners
2009-11-18IPO
2004-03-03Series Unknown· $50M
2003-08-29Series D· $30M

Leadership Team

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Ken Xie
Founder and Chief Executive Officer
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Michael Xie
Founder, President & CTO
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Company data provided by crunchbase