L3 Network Engineer

PERSOL; Região Norte; Presencial; BRL 180 000 - 280 000; Tempo integral

Resumo da oferta

PERSOL is seeking a seasoned Network Engineer for a 6-month contract in Brazil. You will deliver LAN/WAN, DC, and hybrid cloud projects, design secure architectures, and drive deployment, testing and documentation across multi-site environments.

Responsibilities include hands-on configuration of BGP/OSPF, MPLS, SD-WAN, and VPNs, plus firewall management (Palo Alto/Fortinet/Check Point) and SIEM integration (QRadar). Strong automation with Python/Bash/Ansible is valued.

Qualificações

• 5–10 years of network engineering experience with 3+ years in project delivery.
• Hands-on in enterprise, multi-site networks.
• Strong routing and switching knowledge: BGP, OSPF, VLAN, STP.
• Experience with MPLS, SD-WAN, IPsec VPN and data center networking.
• Hands-on with Palo Alto, Fortinet or Check Point firewalls.
• Experience with SNMP, Syslog, NetFlow; network monitoring/NMS.

Responsabilidades

• Deliver network and security projects across LAN, WAN, DC and hybrid cloud.
• Perform deployment, configuration, migration, upgrades and cutovers.
• Design scalable, resilient, and secure network architectures.
• Prepare HLD/LLD, MOPs, implementation plans and rollback docs.
• Provide L3 troubleshooting, RCA, performance tuning and optimization.
• Configure and troubleshoot BGP, OSPF, VLAN, STP, MPLS, SD-WAN, VXLAN, IPsec VPN.
• Implement and support security solutions (Palo Alto, Fortinet, Check Point).
• Support SIEM/log integration, e.g., QRadar.
• Deploy network with monitoring platforms (NetGain Cloud Vista / EMedge).
• Configure SNMP, Syslog, NetFlow, telemetry, alerts.
• Support onboarding into managed services and NOC envs.
• Develop automation using Python, Bash and Ansible.
• Collaborate with NOC teams, vendors and stakeholders for delivery.

Conhecimentos

Stakeholder communication

Analytical thinking

Troubleshooting

Documentation

Formação académica

Bachelor's degree in IT, Computer Engineering or related discipline

CCNP or equivalent

Palo Alto PCNSE, Fortinet NSE 4/NSE 7 or ITIL Foundation certifications (advantage)

Ferramentas

BGP

OSPF

VLAN

STP

MPLS

SD-WAN

IPsec VPN

Palo Alto

Fortinet

Check Point

SNMP

Syslog

NetFlow

Python

Bash

Ansible

QRadar

NetGain Systems

Descrição da oferta de emprego

Contract Duration:6-Month Contract Renewable
Working Hour: Monday to Friday, 9am to 6pm

Role Overview

Key Responsibilities

• Deliver network and security projects across LAN, WAN, Data Centre and hybrid cloud environments.
• Perform network deployment, configuration, migration, upgrade and cutover activities.
• Design and implement scalable, resilient and secure network architectures.
• Prepare HLD/LLD, MOPs, implementation plans, rollback procedures and as-built documentation.
• Provide L3 troubleshooting, root cause analysis, performance tuning and network optimization.
• Configure and troubleshoot BGP, OSPF, VLAN, STP, MPLS, SD-WAN, VXLAN and IPsec VPN.
• Implement and support security solutions including Palo Alto, Fortinet and Check Point firewalls, NAT, IDS/IPS, segmentation and secure access controls.
• Support SIEM and log integration, including QRadar, where required.
• Deploy and integrate network infrastructure with monitoring platforms, including NetGain Systems Cloud Vista / EMedge.
• Configure and manage SNMP, Syslog, NetFlow, telemetry, alert thresholds and monitoring policies.
• Support infrastructure onboarding into managed services and NOC environments, including operational handover and knowledge transfer.
• Develop automation using Python, Bash and Ansible for configuration deployment, monitoring onboarding, health checks and reporting.
• Work with NOC teams, vendors and stakeholders to ensure successful project delivery and operational acceptance.

Requirements

• 5-10 years of relevant network engineering experience, including 3 or more years of network project delivery experience.
• Hands-on experience in enterprise or multi-site network environments.
• Strong knowledge of routing and switching, including BGP, OSPF, VLAN and STP.
• Experience with MPLS, SD-WAN, IPsec VPN and Data Centre networking.
• Hands-on experience with Palo Alto, Fortinet or Check Point firewalls.
• Experience with network monitoring and NMS technologies, including SNMP, Syslog and NetFlow.
• Experience with Python, Bash and/or Ansible for network automation.
• Experience in managed services or NOC environments is an advantage.
• Strong troubleshooting, analytical, documentation and stakeholder communication skills.

Preferred Qualifications

• Bachelor's degree in IT, Computer Engineering or a related discipline, or equivalent practical experience.
• CCNP or equivalent certification.
• Palo Alto PCNSE, Fortinet NSE 4/NSE 7 or ITIL Foundation certifications are an advantage.
• Experience with **NetGain Systems