20 melhores vagas de network specialist para são paulo sp (Contratando agora!)

Network Security Specialist
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Network Security Specialist

Lubrizol -
São Paulo, SP

Candidate-se Agora

Detalhes da vaga

Há 4 dias

Qualificações

Azure
Gestão
Ansible
OSPF
Git
DHCP
Graduação
Scripting
WAN
DNS
APIs
TI
Cybersecurity
Liderança
Python
Tecnologia da Informação

Descrição completa da vaga

Job Title: Senior Network Security Engineer

About the Company:

The Lubrizol Corporation, a Berkshire Hathaway company, is a market-driven global company serving customers in more than 100 countries. We own and operate manufacturing facilities in 17 countries, as well as sales and technical offices around the world. Through our global sales and manufacturing networks, we can deliver the products and services our customers need, where and when they need them. At Lubrizol, our mission is straightforward: We improve lives as an essential partner in our customers’ success, delivering efficiency, reliability, or wellness to their end users.

About the Role & IT:

Lubrizol is looking for a Senior Network Security Engineer to join our IT team and support the planning, design, implementation, and sustainability of a secure network infrastructure—with an emphasis on core network and WAN capabilities across Lubrizol’s 80+ facilities globally. In this role, you will help modernize our network and security architecture (e.g., software-defined networking, cloud networking, segmentation/Zero Trust-aligned controls, and automation), while also contributing to security standards, procedures, and compliance alignment. You will partner closely with Network Operations/Delivery and cross-functional IT teams to deliver reliable, secure connectivity and provide second/third-level troubleshooting and incident support. This is an exciting time to join our organization as we sharpen our focus on operational excellence and cybersecurity—ideal for motivated problem-solvers who thrive in a collaborative, global environment.

Key Responsibilities:

Drive the transition from traditional networking to a next-generation secure network, including SDN/SD-WAN, cloud network infrastructure, segmentation/micro-segmentation, and automation of network services.

Evaluate emerging networking and security solutions (e.g., SASE/SSE, NGFW, ZTNA, NAC) and propose roadmap-aligned improvements based on business requirements and risk.

Design, implement, and maintain secure network architectures and configurations that meet availability, performance, and security requirements, following documented standards.

Provide technical leadership to Network Operations and Delivery teams to enable consistent global deployment, operations, and lifecycle management of network and security services.

Mentor engineers and contribute to engineering excellence through standards, reference designs, runbooks, and operational training.

Produce high-quality documentation that enables repeatable deployments and effective support (designs, diagrams, standards, change plans, validation steps, and support playbooks).

Collaborate with cross-functional IT partners (cloud, identity, endpoint, SOC, application, and OT/plant teams) to plan and execute network-related initiatives and reduce end-to-end risk.

Own vendor/partner engagement for assigned technologies (roadmaps, escalations, feature planning, and technical advisories).

Participate in technical crisis/major incident management, driving root-cause analysis, corrective actions, and post-incident improvements.

Execute changes in alignment with change management/CAB processes, ensuring appropriate risk assessment, testing, and back-out planning.

Troubleshoot complex (L3) networking and network security issues using protocol analysis and observability/tooling to drive timely resolution and prevention.

Requirements:

Bachelor’s degree in an IT-related field (or equivalent experience).

7–10+ years of experience in network/infrastructure roles, including 3–5+ years supporting a global enterprise WAN and security controls.

Strong fundamentals in TCP/IP, subnetting, routing/switching, DNS, and DHCP; ability to apply these in complex, multi-region environments.

Hands-on experience implementing and troubleshooting WAN technologies (internet/MPLS, BGP/OSPF/EIGRP as applicable) and SD-WAN.

Experience with firewall and network security policy design/implementation (e.g., NGFW), VPN, and secure remote access patterns.

Experience with network access control and identity-based networking (e.g., NAC, 802.1X, TACACS+/RADIUS, EAP-TLS).

Working knowledge of network security principles and best practices (e.g., segmentation, least privilege, secure management planes, logging/monitoring, and vulnerability/risk remediation).

Experience with protocol analysis and troubleshooting tools (e.g., Wireshark) and with technical crisis/major incident and change management (CAB) processes.

What will put you ahead:

Certifications such as CCNP (or higher), PCNSA/PCNSE, and/or GIAC (e.g., GSEC) or equivalent.

Hands-on experience with enterprise switching/routing, wireless, and firewall platforms (e.g., Cisco, Arista, Palo Alto).

Experience with cloud networking (Azure VNets, NSGs, routing, private connectivity) and hybrid network security patterns.

Experience deploying and supporting SD-WAN solutions (e.g., VeloCloud, Meraki) and operating mixed internet/MPLS WAN environments.

Experience with network management platforms (e.g., Cisco DNA Center/Catalyst Center) and NAC platforms (e.g., Aruba ClearPass).

Exposure to Zero Trust and SASE/SSE capabilities (e.g., ZTNA, SWG, CASB) and integrating network telemetry with SOC workflows.

Demonstrated capability in scripting/programming and automation (API integrations, Python, Ansible, Git) and comfort working with Linux; experience with infrastructure-as-code is a plus.

Experience building relationships and working effectively in a collaborative, matrix-driven, global environment; prior manufacturing/OT networking exposure is a plus.

Job Segment: Network Security, Network, Cloud, Testing, Change Management, Security, Technology, Management

Candidate-se Agora

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