Hire the Top 2% of
Remote Firewalls Developers
in Brazil

Thiago G.

Vetted Firewalls developer in Brazil (UTC-3)

Experienced IT Specialist with a demonstrated history of working in the oil & energy industry. Skilled in Network Administration, MariaDB, SQL, Perl, React, JavaScript/TypeScript, Angular, and NodeJS. I started working with information technology when I was eighteen years old. I worked with networking cabling and server configuration, jumping quickly to Network Administrator. At 21 years old I was one of the main system administrators of São Paulo State Farm (Secretaria da Fazenda e Planejamento - Governo do Estado de São Paulo). At São Paulo State Farm I was responsible for Windows Authentication Systems, Networking Management, and Linux Squid and SendMail servers. In this position, I also started to code professionally and discovered a new passion. I was creating tools to reduce network operations time and helping the web development of portals for citizens to access government programs. At twenty-five, I started working for an Outsourcing of HPE, as a Storage Support Engineer (HPE XP Storage series). Two years later, I switched to Petrobras, as a System Analyst. Petrobras is the biggest oil company in South America. I started with remote operations, and I started to show my skills with web development by creating web tools to optimize the teamwork at first with Perl and after with JavaScript. After that, I started working in the team responsible for security operations and developing internal web tools and portals with Node, Express, and MariaDB. In 2022 I changed to Keller Willians São Paulo - KWSP - as a full-stack engineer. In this role, I'm responsible for developing new features and keeping their system, [soukw.com.br](http://soukw.com.br/), up and running. I have created the Online Learning feature and LandPages integration for real estate agents.

Ítalo R.

Vetted Firewalls developer in Brazil (UTC-3)

**Software Engineer | Linux Expert | VoIP Expert** Software Engineer with experience in network and Linux administration. Currently working in telecom, VoIP with open source tools. Supporter of free software, easy to work in teams and to learn new technologies.

Crischarles A.

Firewalls developer in Brazil (UTC-3)

I have been working with technology for over 10 years, half of which are more focused on Cybersecurity. My studies in the area of ​​Information Security and my background in Infrastructure and Computer Networks helped me to build a stronger foundation for the continued construction of knowledge. I have experience with vulnerability management and mass patching in Windows and Linux environments, CheckPoint and SonicWall firewall (having certifications for firewalls like CCSM and SNSA), SCCM (MECM), BBSA (TSSA), Nexpose Vulnerability Scanner, PAM from Beyond Trust (Password Vault), PRTG, Symantec Antivirus Management, V-Center, Citrix Virtual Apps and Desktops, in addition to leading the technical team and implementing the security measures in accordance with the LGPD. About the academic part: . Degree in Information Systems by Federal University of Mato Grosso (UFMT) . Postgraduate in Networks and Distributed Computing by IFMT . MBA in CyberSecurity by FIAP I also took courses such as: . MCITP Server Administrator Windows Server 2008 . ITIL Foundation V3 . CNSS Certified Network Security Specialist . Agile Infrastructure with DevOps Practices . 20703-1 - Administering System Center Configuration Manager . Bootcamp Cybersecurity Analyst . Information Security Foundation ISO/IEC 27001

Jonas R.

Firewalls developer in Brazil (UTC-3)

**Accomplished Infrastructure Engineer with over six years of experience delivering high‐quality, scalable, and reliable IT solutions.** Proven expertise in Infrastructure Engineering, Solutions Architecture, SRE, and DevOps, with a strong trackrecord of designing, provisioning, and maintaining secure systems. Possessing a deep understanding of various industries, including information, retail, and transportation, Jonas has successfully executed projects of varying scope andcomplexity. Currently expanding his skillset in AI and Machine Learning, Jonas is proficient in architecting Generative AI projects while leveraging these technologies to optimize Infrastructure, SRE, and DevOps workflows.

Lucas S.

Firewalls developer in Brazil (UTC-3)

I am a 35-year-old professional with a degree in Computer Network Technology and ongoing specialization in Information Security and IT Management. I have experience in hardware/software maintenance, network configuration, and customer support.

Leonardo C.

Firewalls developer in Brazil (UTC-3)

My full profile can be verified on Linkedin: [https://www.linkedin.com/in/leocosta-io/](https://www.linkedin.com/in/leocosta-io/) As a Manager and Software Engineer at Red Hat, I leverage my 19 years of experience in designing and developing applications. I lead a small team to ensure that our internal applications are robust and maintainable, using Python, Django, Django Rest Framework, PostgreSQL and Kubernetes. Part-time I manage a high-performance team of instructors in Latin America, supporting and enabling them to to teach the latest Red Hat technologies. My commitment extends to maintaining customer satisfaction levels consistently above 75 (NPS). I am passionate about learning new skills, sharing knowledge, and solving complex challenges. Before assuming my current role I was a Red Hat instructor for 4 years when I became Red Hat Certified Architect (RHCA) with expertise in OpenShift, Ansible, OpenStack, JBoss EAP, Red Hat Enterprise Linux, Satellite, and Ceph.

Leonardo V.

Firewalls developer in Brazil (UTC-3)

I am a Network Specialist with Sales experience and strong Service Provider/Telco background, having worked 18+ years in the ICT industry for companies such as Ribbon Communications, Telstra, BT, Dimension Data, Singtel Optus and Telecom Italia Mobile. Skilled in IP Networking, Routing, Switching, Security, Wireless, Virtualisation, Data Centre Technologies, VoIP, Session Border Controllers, Unified Communications, Telephony/SS7, GSM/Mobile Networks, Signalling, Cloud, APIs, SaaS. CCNA, CCNA Voice and CCNP certified. I am a versatile professional and I can learn any technology quickly. My main areas of expertise are network engineering and IT Infrastructure. But I also have a passion for coding, web development, Systems Administration (Linux), etc. I also have good experience with Blockchain Technology and Bitcoin.

Daniel M.

Firewalls developer in Brazil (UTC-3)

I am a professional with solid experience and various certifications in infrastructure and cloud solutions. I have expertise in managing critical environments, both on-premises and in the cloud, using a wide range of technologies. Currently, I am focused on adopting DevOps practices to optimize operations, including the use of Kubernetes and Docker, continuous integration, and delivery (CI/CD). I am committed to implementing Infrastructure as Code (IaC), enhancing system observability, and strengthening security in the projects I work on. Technologies: Cloud: AWS, Azure, CloudFlare Containers and Orchestration: Docker, Kubernetes Programming and Scripting: Python, Bash Network Security: Fortigate, Sonicwall, Pfsense Operating Systems: Linux, MacOS, Windows CI/CD and Automation: GitLab, Bitbucket, GitHub Actions, Jenkins, Azure DevOps, Terraform, Ansible Networking: Cisco, Extreme Networks, Dell, Aruba, Mikrotik, Ubiquiti Virtualization: VMware, XenServer Certifications: Fortinet: NSE 1, NSE 2, NSE 3 MikroTik: MTCNA, MTCRE, MTCINE Amazon Web Services: Cloud Practitioner, Certified Solutions Architect - Associate HashiCorp: Terraform Associate Cisco: CCNA Routing & Switching Kaspersky: Endpoint Security Associate (listed twice, consider removing the duplicate) Microsoft: AZ-900, SC-900, MS-900 Linux Foundation: CKA

Alisson C.

Firewalls developer in Brazil (UTC-3)

I'm a tech enthusiast and DevOps Specialist with nearly 10 years of experience. Over this time, I've had the opportunity to architect, build and support highly available AWS/On-Premises infrastructure, as well as accelerate the delivery of more reliable applications through DevOps and SRE practices. Through studies, labs, and certifications, I am dedicated to continuous improvement in the areas of DevOps, SRE, Cloud, Automation, Coding and Observability. I am always seeking challenges that allow me to apply my passion for technology and contribute to the success of innovative projects. Bachelor's degree in Computer Engineering from USP. Master in IT Management and Architecture from FIAP.