Administrador de Redes

ESRH - Consultoria em Recursos Humanos; Santos; On-site; BRL 120,000 - 180,000; Full time

Job summary

ESRH - Consultoria em Recursos Humanos is seeking a Senior Network Engineer to ensure the availability, security, and scalability of Brazil's data network and related infrastructures. You will design, deploy, and maintain LAN, WAN, wireless, and security platforms, including CertScan when applicable, with on-call duties as required.

The ideal candidate has 5+ years in networking, CCNP or equivalent, and strong experience with enterprise routing, MPLS/VPLS, and network security.

Qualifications

• Bachelor’s degree in CS/Systems/Engineering or equivalent
• 5+ years in networking, security, VPNs, enterprise routing
• CCNP certification required or strongly preferred
• Experience with MPLS/VPLS design and firewall/switch tech
• Willing to travel to field locations; on-call availability

Responsibilities

• Ensure availability and security of data network infrastructure
• Design, implement, and maintain LAN/WAN, wireless, and related systems
• Provide on-call support and troubleshoot outages to meet SLAs

Skills

Advanced English

Willing to travel

On-call availability

Education

Bachelor’s degree in CS/Systems/Engineering or equivalent

Tools

Cisco devices

Aruba devices

Fortinet devices

SolarWinds

Network sniffers

Network analyzers

Line toners

Job description

Mission:

Ensure the availability, security, stability, integrity, scalability, and efficient functioning of the data network, server, security, and data transmission infrastructures that support business operations and customer‑provisioned services in Brazil. Implement, maintain, monitor, support, troubleshoot, and continuously improve LAN, WAN, wireless, security, server, storage, and related IT infrastructure, including deployments and support of operational platforms such as CertScan when applicable. Identify, communicate, and solve problems in a timely and accurate manner to maximize service availability, meet business objectives and SLAs, and support reliable, scalable, and maintainable network architectures.

Requirements:

• Age: Indiscriminate.
• Gender: Indiscriminate.
• Marital Status: Indiscriminate.
• Studies: Bachelor’s Degree in Computer Science, Computer Systems, Systems Engineering, or equivalent. Certifications plus related experience and/or training, or an equivalent combination of education and experience, may be considered according to business needs.
• Experience: Five or more years of progressive experience in networking, network security, VPNs, enterprise routing, layer 3 through layer 7 switching, and network administration. Experience as a certified CCNP Engineer and/or equivalent network engineering experience is required or strongly preferred according to business needs.
• Enterprise network design and implementation: Two or more years preferred.
• Firewall and switch technologies: Two or more years preferred.
• MPLS or VPLS network design: One or more years preferred.
• Schedule Availability: Full-time; on-call availability as required.
• Preferably living in Puerto Dos Santos or availability for on‑call shifts is required; therefore, the successful candidate must be available to travel to the site in Puerto de Santos at short notice or be willing to relocate to Puerto de Santos due to traffic conditions in São Paulo.
• Travel: Availability to travel/drive to multiple field locations. Travel may range from approximately one third of the time up to 100%, depending on business and field support needs.
• English Level: Advanced. Preferably Bilingual.
• Microsoft Office: Advanced.
• Technical Knowledge: CCNP certification required or strongly preferred; preferred certifications may include ITIL Foundations v3, CCNA, CCDA, CCDP, CCNP, Cisco, Fortinet, or any industry-standard network certification.
• Network Equipment and Tools: Cisco, Aruba, Fortinet, routers, switches, firewalls, wireless access points, VPN concentrators, SolarWinds or equivalent monitoring systems, sniffers, network analyzers, line toners, statistics/reporting tools, and testing tools/procedures for data circuits.
• Systems and Platforms: Rack, Blade, Hyper‑V, VMware (preferable), Windows Server, SQL Server, storage technologies such as NetApp, EMC, HP, MinIO (preferable), Active Directory, Linux/Unix environments, and AWS cloud experience desirable. Knowledge of AWS, Azure, or Google Cloud is increasingly important. In summary, extensive experience with virtualization software.
• Automation and Observability: Familiarity with tools such as Prometheus, Grafana, Nagios, or Datadog. Proficiency in automation or tool‑development languages such as Python, Go, or Java may be required for automation and tool development.
• Compliance and Security: Knowledge of network capacity planning, network security principles, network management best practices, data privacy practices, and applicable frameworks or laws, including PCI and SOX.