Senior Network Specialist

This is a fully remote position, open to applicants in Brazil.

📋 Description

• Act as a technical expert in the design, engineering, operation, and advancement of networks for Internet service providers and telecommunications companies.

• Provide technical guidance in diagnosing and resolving critical, complex, or system-wide incidents.

• Design, assess, and enhance architectures for access, aggregation, transport, core, edge, BNG/BRAS, and CGNAT.

• Conduct technical evaluations to pinpoint risks, vulnerabilities, bottlenecks, and areas for enhancement.

• Establish standards for configuration, security, high availability, convergence, capacity, observability, and resilience.

• Plan, review, and manage high-risk changes, ensuring thorough impact analysis, testing, rollback procedures, and acceptance criteria.

• Collaborate with BGP, OSPF, IS-IS, MPLS, LDP, routing policies, and Layer 2 and Layer 3 services.

• Assess scenarios involving traffic engineering, expansion, capacity, redundancy, and route and resource optimization.

• Create solution designs, diagrams, methods of procedure, technical documentation, root cause analyses, and evolution strategies.

• Validate solutions, projects, and configurations proposed by team members, clients, operators, manufacturers, and vendors.

• Assist in making technical decisions on strategic projects by interpreting risks, impacts, and alternatives.

• Mentor and guide analysts, encourage technical reviews, and enhance standardization and knowledge sharing.

• Contribute to automation, tools, and processes that elevate the security, efficiency, and quality of technical outputs.

• Represent NIIS in technical discussions during meetings, presentations, crisis situations, and architecture negotiations with clients and partners.

⛳️ Requirements

• Extensive, well-established experience with telecommunications networks, especially in Internet service providers and telecommunications operators.

• In-depth knowledge of TCP/IP, IPv4, IPv6, switching, routing, high availability, and evidence-based troubleshooting.

• Advanced understanding of BGP, including policies, filters, attributes, communities, route selection, redundancy, security, and convergence.

• Advanced knowledge of OSPF and/or IS-IS, with the capacity to analyze adjacencies, metrics, areas or levels, redistribution, and timers.

• Solid understanding of MPLS/LDP and services such as L2VPN, L3VPN, VPLS, or similar technologies.

• Experience with VLAN, QinQ, STP/RSTP/MSTP, LACP, MC-LAG, VRRP, BFD, and mechanisms for failure and loop protection.

• Familiarity with BNG/BRAS, PPPoE, RADIUS, NAT/CGNAT, QoS, traffic engineering, and access networks.

• Ability to interpret topologies, configurations, forwarding tables, logs, telemetry, flows, and packet captures.

• Advanced experience with CLI, troubleshooting, and solution design in multivendor environments.

• Capability to develop and present projects, standards, executive and technical reports, change plans, and root cause analyses.

• Experience in providing technical leadership for incidents, projects, and critical changes in high-availability networks.

• Familiarity with automation tools such as Python, Ansible, Git, and APIs is advantageous.

• CCNP/CCIE, JNCIP/JNCIE, or equivalent certifications are preferred.

🏝️ Benefits

• Technical mentorship

• Professional development resources

• Financial support for certifications relevant to the role