Infrastructure Engineer III

Infrastructure Engineer III

Brazil

Job Description

ABOUT SINCH

Sinch is pioneering the way the world communicates. More than 150,000 businesses — including Google, Uber, Paypal, Visa, Tinder, and many others — rely on Sinch’s Customer Communications Cloud to power engaging customer experiences through mobile messaging, voice, and email.

Whether you need to verify users or craft omnichannel campaigns, Sinch makes it easy. Our AI-infused Super Network, APIs, and applications ensure you can connect with your customers reliably and securely, at every step of their journey.

At Sinch we “Dream Big”, “Win Together”, “Keep it simple”, and “Make it Happen”. These values are our foundation!

DESCRIPTION

• We're looking for a hands-on engineer with a solid networking background to join our Global Infrastructure team. You'll be responsible for supporting and maintaining our enterprise network, cloud networking, VPN connectivity, and Zscaler environment. This is a hands-on engineering role focused on troubleshooting, operational support, and continuous improvements while working closely with Infrastructure and Security teams.

• Strong English communication skills are important, as you'll collaborate with colleagues across multiple regions.

MAIN RESPONSABILITIES:

• -
• Participate in the teams’ on call rotation.
• Act as 3rd line support for networking, VPN, cloud networking, and Zscaler related incidents and service requests.
• Configure, maintain, and troubleshoot VPN connectivity and Zscaler services.
• Support networking in AWS and Azure, including VPC/VNet connectivity and related infrastructure.
• Troubleshoot network connectivity issues and work with other teams to resolve incidents.
• Create and maintain technical documentation.
• Contribute to continuous improvements and operational excellence within the team.

REQUIREMENTS

• Good understanding of enterprise networking fundamentals, including TCP/IP, routing, switching, DNS, DHCP, NAT, VLANs, and network troubleshooting.
• Experience configuring, maintaining, and troubleshooting VPN solutions, including IPsec VPN, site-to-site VPN, and remote access VPN.
• Understanding of VPN authentication, certificates, encryption, and secure connectivity.
• Experience working with AWS or Azure, including VPC/VNet, routing, VPN connectivity, and general cloud networking.
• Ability to troubleshoot connectivity issues across premises and cloud environments.
• Experience with Zscaler (ZIA/ZPA), either supporting the platform, maintaining it, or participating in a migration. This is a key requirement for the role.
• Good understanding of networking best practices and basic security concepts.
• Strong English communication skills and the ability to collaborate in a global team.

Nice to Have:

• -

• Experience with enterprise firewalls such as Palo Alto or Cisco.

• Experience with office and branch networking, including solutions such as Cisco Meraki.

• Experience with hybrid networking.

• Familiarity with Terraform or network automation.

• Experience with SASE technologies.

• OUR HIRING PROCESS

• We are committed to ensuring a recruitment process that is fair, objective, consistent, and inclusive. Our approach includes structured, competency-based interviews designed to evaluate your skills, experience, and qualifications relevant to the role. At times, we may include a data-driven assessment to enhance our hiring success and identify candidates likely to excel.

• We believe in a two-way process and encourage you to ask questions throughout the journey. If this role isn't what you're looking for, please explore the other opportunities listed on our career page: https://www.sinch.com/careers/. No matter who you are, we hope you find an exciting path forward - hopefully with us!

BENEFITS

• STAY HEALTHY: We cover 100% of medical and dental plans for Sinchers and eligible dependents through Bradesco Saúde.

• FLEXIBLE BENEFITS: With the Caju flexible benefit card, our Sinchers can choose to use benefits on food, education, and home office assistance.

• FAMILY FIRST: Our Sinchers can enjoy paid maternity leave for 180 days and paternity leave for 30 days. Plus, we provide daycare assistance for kids up to five years old.

• EVERYDAY WELLBEING: We partner with Wellhub to help Sinchers access gyms and wellness options.

• SECURE YOUR FUTURE: Our Partnership with Prudential life insurance provides coverage for all Sinchers in the events of unexpected absences, serious illness, accidents, and disabilities.

• DIVERSITY AND INCLUSION: We offer annual reimbursements for certain expenses related to disabilities and/or transgender needs.

• TAKE A BREAK: Our Sinchers can take a day off on their birthday to celebrate with their loved ones.

• Apply Now

• Job Info

• Job Identification

• 1561

• Job Category

• Infrastructure Engineering

• Posting Date

• 09/17/2026, 09:55 AM

• Apply Before

• 10/29/2026, 11:00 PM

• Job Schedule

• Full time

• Job Shift

• Day

• Locations

• Brazil

• Sinch collects and processes personal data in accordance with applicable data protection laws. If you are a European Job Applicant, see the privacy notice for further details.

• At Sinch, we’re committed to building a workplace where everyone feels valued, supported, and welcomed. We provide equal employment opportunities to all employees and applicants and do not discriminate on the basis of race, color, national origin, religion, creed, disability, age, sex, sexual orientation, gender identity or expression, marital status, familial status (including pregnancy, childbirth, and related medical conditions), status with regard to public assistance, veteran status, genetic information, or membership or activity in a local human rights commission, or any other status protected by applicable law.

• Minnesota Applicants: In accordance with the Minnesota Human Rights Act, Sinch maintains a workplace free from discrimination and retaliation, detailed here. Information regarding applicant rights and required Minnesota workplace notices are available here.

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