L2 Network Field Engineer | Tech Domain | São José dos Pinhais, Paraná, Brazil

Tech Domain; São José dos Pinhais; On-site; BRL 83,000 - 138,000; Part time

Job summary

Tech Domain is seeking an experienced L2 Network Field Engineer for on-site work in São José dos Pinhais, Paraná, Brazil. The 20-hour-per-week part-time project runs from 1 November 2026 to 30 June 2027, with responsibilities including fault diagnosis, hardware replacement, and maintaining network uptime.

You will configure routers, switches, and Wi‑Fi systems, manage TCP/IP and VLANs, and coordinate with remote teams while ensuring quality service and safety standards.

Qualifications

• Bachelor’s degree in Computer Science, Telecommunications Engineering, Information Technology, or related field.
• 2–4 years of enterprise networking/field engineering experience.
• Hands-on expertise in L2 network support, LAN/WAN routing, switching, TCP/IP, and VLANs.

Responsibilities

• Provide on-site L2 network support and rapid fault resolution across client sites.
• Deploy, configure, administer, and troubleshoot enterprise routers, switches, and wireless APs.
• Maintain and optimize LAN/WAN connectivity, TCP/IP addressing, VLAN architectures, and port configurations.
• Execute physical hardware replacements, rack-and-stack installations, and cabling maintenance.
• Respond to on-site service requests, troubleshoot failures, and log incident metrics.
• Coordinate with remote NOC teams, project managers, and client stakeholders.
• Maintain documentation of network topologies, assets, maintenance logs, and change tickets.
• Ensure adherence to safety protocols and client SLAs throughout the engagement.

Skills

L2 network support

LAN/WAN routing & Switching

TCP/IP

VLAN configurations

Hardware replacement

Troubleshooting

English communication

Portuguese proficiency

On-site delivery

Education

Bachelor's degree in CS/Telecom/IT

Tools

Wireshark

Ping/Traceroute

Job description

Position Summary:

Tech Domain is actively seeking an experienced, high-caliber, and technical L2 Network Field Engineer with solid hands‑on expertise in enterprise networking, hardware troubleshooting, LAN/WAN infrastructure, and field support to join our client’s on‑site project team in São José dos Pinhais, Paraná, Brazil for a part‑time contract duration spanning 1 November 2026 to 30 June 2027 (20 hours per week). In this critical field engineering role, you will be responsible for executing on‑site network support, diagnosing L2 connectivity issues, replacing faulty network hardware, and ensuring uncompromised network availability. You will leverage your deep specialist expertise in TCP/IP, VLANs, routers, switches, and wireless access points to deliver robust network uptime, rapid incident resolution, and operational excellence. This opportunity offers competitive hourly compensation, executive technical visibility, and exceptional career growth prospects within a premier global IT staffing and technology consulting enterprise.

Detailed Job Description:

As an L2 Network Field Engineer supporting Tech Domain in São José dos Pinhais, Paraná, Brazil, you will take full operational, tactical, and technical ownership of on‑site network field operations, hardware replacement, and infrastructure maintenance across assigned facilities during the project period from 1 November 2026 to 30 June 2027 (20 hours per week). Your day‑to‑day responsibilities include providing L2 network support and fault resolution, administering and troubleshooting LAN/WAN architectures, TCP/IP configurations, and VLAN setups, configuring and maintaining enterprise routers, switches, and Wi‑Fi systems, executing physical network hardware replacements, diagnostics, and cabling audits, responding promptly to field service tickets, maintaining accurate asset logs, coordinating with remote engineering squads, and ensuring strict compliance with client service level agreements. Given the nature of the engagement, strong Portuguese language skills represent a distinct operational advantage. You will utilize your proactive troubleshooting and analytical problem‑solving skills to resolve complex network anomalies under strict project delivery schedules.

Key Responsibilities:

• Provide expert on‑site L2 network support, field engineering, incident diagnosis, and rapid fault resolution across client sites.
• Deploy, configure, administer, and troubleshoot enterprise routers, switches, and wireless access points.
• Maintain and optimize LAN/WAN connectivity, TCP/IP addressing schemes, VLAN architectures, and port configurations.
• Execute physical network hardware replacements, component upgrades, rack‑and‑stack installations, and cabling maintenance.
• Respond promptly to on‑site technical service requests, troubleshoot hardware and software failures, and log incident metrics.
• Coordinate seamlessly with remote network operations center (NOC) teams, project managers, and client stakeholders.
• Maintain meticulous documentation of network topologies, hardware asset inventories, maintenance logs, and change tickets.
• Ensure strict adherence to safety protocols, operational standards, and project service level agreements throughout the engagement.

Required Qualifications & Skills:

• Bachelor’s degree in Computer Science, Telecommunications Engineering, Information Technology, or a related technical discipline.
• Minimum of 2 to 4 years of progressive professional experience in enterprise networking, field engineering, or IT support operations.
• Strong, demonstrable hands‑on professional expertise in L2 network support, LAN/WAN routing, switching, TCP/IP, and VLAN protocols.
• Practical proficiency in hardware replacement, physical troubleshooting, and maintenance of routers, switches, and enterprise Wi‑Fi.
• Exceptional analytical, troubleshooting, debugging, and problem‑solving capabilities under independent on‑site conditions.
• Excellent written and verbal English communication skills with strong customer service and stakeholder coordination abilities.
• Conversational or professional working proficiency in Portuguese language representing a strong operational advantage.
• Mandatory legal work eligibility and physical presence for on‑site execution in São José dos Pinhais, Paraná, Brazil.

Nice‑to‑Have Skills:

• Professional networking certifications such as Cisco Certified Network Associate (CCNA) or CompTIA Network+.
• Prior professional working experience in telecommunications field deployments, managed service providers (MSPs), or enterprise IT rollouts.
• Hands‑on familiarity with fiber optic cabling, SFP transceivers, structured cabling standards, and patch panel management.
• Experience with network monitoring tools, ping/traceroute diagnostics, and packet capture utilities (Wireshark).

Application Information:

• Salary/Rate: Competitive Hourly Rate (Negotiable based on experience)
• Deadline: Open until filled (Urgent Brazil On‑Site Project Opening)
• Notice Period: Immediate availability preferred for project start
• Contract Duration: Temporary / Part‑Time Project Engagement (20 hours/week from 1 November 2026 to 30 June 2027)