Senior Technical Support Engineer
Fortinet
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Sunnyvale, CA · Posted October 14, 2026
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Where Sunnyvale, CA ranks
Where Sunnyvale, CA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for consumer and retail pay after cost of living$194k · of 11
- #3Best cities for data and analytics pay after cost of living$213k · of 28
- #4Best cities for pay after cost of living in California$192k · of 32
- #4Best all-round cities for AI careers95 / 100 · of 100
- #4Best all-round cities for AI careers in the West Coast88 / 100 · of 39
- #5Best cities for pay after cost of living in the West Coast$192k · of 39
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
Among computer user support specialists, AI is already used for a large share of the tasks. Measured exposure for computer user support specialists: 47% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
Position overview and Job Responsibilities:
Provide technical support to customers on security devices and Cloud deployments.
Perform collection, analysis, and change recommendations of configuration of customer network information and packet capture.
Recommend corrective actions based on gathered data and its analysis.
Run real-time phone or remote access sessions with customers.
Apply networking knowledge with a focus on L2, L3, L4, and L7.
Debug and troubleshoot networking issues related to device misconfigurations, network connectivity, and L3 routing.
Utilize engineering background to recreate customer issues in the lab and work with the engineering team to debug issues and verify workarounds/fixes.
Demonstrate knowledge and/or experience in each of the following:
Network protocols and technologies: TCP/IP, UDP, SSH, TLS, SSL, HTTP, HTTPS, Proxy, VLAN, Routing, Content based routing, or URL modification
OSI model
Operating systems: Windows, Unix or Linux
Internet security: firewall, IPSs, or Mail Security Gateways.
Desired:
Having any of industry certificates (FCNSA, CCNA, CCIE)
Basic experience with security devices (Firewalls, IPSs, Mail Security Gateways etc.)
Knowledge of dynamic routing protocols and its implementation (OSPF, BGP)
Knowledge of authentication protocols and methods (LDAP, SSO, 2-factor authentication etc.)
Proficient spoken and written English
Positive, communicative and customer oriented attitude
Education:
Bachelor's or Master’s Degree in Engineering
Must be authorized to work in the U.S. without sponsorship.
The US base salary range for this full-time position is $68,000-$84,000. 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 labour 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 the 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 890,000+ customers around the globe.