Networking and IoT Engineering Specialist, Networking Solutions

Teltonika

Networking and IoT Engineering Specialist providing technical expertise in Sao Paulo, Brazil, resolving complex networking challenges and supporting integration of Teltonika products.

Posted 5/6/2026full-timeSão Paulo • 🇧🇷 BrazilJuniorWebsite

Tech Stack

Tools & technologies

FirewallsLinux

About the role

Key responsibilities & impact

Consult employees and clients on device- and solution-related technical issues.
Provide guidance on integrating Teltonika Networks products into customer solutions through written communication and online meetings.
Solve technical issues and proactively identify ways to reduce recurring problems.
Prepare technical documentation and technical tasks for internal and external use.
Conduct training sessions for employees and clients on Teltonika products and solutions.
Independently resolve technical issues related to customer configuration, firmware/software, and other sources.
Prepare documentation for internal and external platforms, including Teltonika Wiki.
Serve as a liaison between customers and Teltonika Networks R&D and Headquarters for complex technical challenges.
Work hands-on with Linux-based operating systems, industrial protocols, networking services and protocols, and occasional third-party peripherals.

Requirements

What you’ll need

Technical or engineering education or background.
Strong communication skills and the ability to explain technical topics clearly.
Working knowledge of software and operating system principles.
Knowledge of basic internet technologies (WWW, FTP, etc.).
Understanding of telecommunication systems and technologies.
Ability to prepare clear and structured technical documentation.
Good knowledge of Wi-Fi technologies (802.11 a/b/g/n/ac).
Experience configuring VLANs and QoS.
Experience configuring VPN solutions such as IPSec, L2TP, OpenVPN, DMVPN, and SSTP, with a solid understanding of their principles and differences.
At least 12 months of experience working with routers, including knowledge of 2G, 3G, and 4G networks, network authentication methods, and data session establishment.
Experience working with embedded, Linux-based OpenWRT operating systems.
Strong troubleshooting and problem-solving skills.
Knowledge and ability to use AT commands.
Ability to write simple bash/ash scripts.
Knowledge of firewall principles and experience configuring firewalls using IPTABLES.
Experience working with industrial routers is considered an advantage.

Benefits

Comp & perks

Catering benefits: Cartão Caju (Vale Refeição of R$35 per working days + Saldo Livre of R$750 monthly + R$09 per working day), coffee and fruits provided in the office;
Health and Well-being Benefits: TotalPass, SESC membership, healthcare, dental care, and life insurance.
Teambuilding: regular office celebrations and events that help us to get to know each other better.
Caring and supportive team: we constantly seek for our employees to have better leadership while regularly sending our managers to external coaching sessions, conducting annual employee engagement surveys, and other management and HRD initiatives to help our employees overcome bottlenecks and challenges.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Linux-based operating systemsWi-Fi technologiesVLAN configurationQoS configurationVPN solutionsIPSecL2TPOpenVPNDMVPNSSTP

Soft Skills

strong communication skillstroubleshooting skillsproblem-solving skillsability to explain technical topics clearlyability to prepare clear technical documentation