L3 Network Security Engineer

Job Description

Stefanini Group is looking for an L3 Network Engineer, to complement the technical capabilities of our Network team within the Infrastructure Services Division.

Reporting to the Network Engineering Lead, the L3 Network Engineer supports innovative network solutions to advance the client's organizational goals and objectives. Closely working with the Network lead and Senior Network engineer team, o ur new colleague, will actively be working on supporting multiple complex technical projects simultaneously.

Job responsibilities:

• Play an active role as a network security resource, and individual contributor.
• Collaborate with internal staff and the client's technical teams to support implemented network design, hardware, and technology.
• Design, optimize, and support enterprise routing/switching and WLAN across global sites.
• Collaborate closely with security on Palo Alto integrations.
• Produce excellent standards and documentation.
• Own WLAN lifecycle: surveys, RF tuning, capacity & roaming optimization.
• Operate branch networks; troubleshoot L2-L7 performance issues.
• Co-design with security for Palo Alto/Cisco integrations and policy alignment.
• Create runbooks and knowledge base content.
  
  

Job Requirements

Professional skills and required qualifications:

• 5 + years' hands-on experience with deployment and maintenance of enterprise networks.
• 5 + years hands-on experience with Enterprise Firewalls, managing and implementing Network Security frameworks.
• Good understanding of Network Firewalls, VPN Technologies, NAC Technologies, WAF Technologies.
• Proven experience with Palo Alto (SASE/NGFW), both design and implementation is a must.
• Cisco certified (CCNP/CCIE preferred).
• Deep R&S and WLAN design (surveying, RF tuning).
• Nice to have knowledge of DNA Center Cloud, Meraki, SD-WAN; OT awareness (harsh environments, deterministic traffic).
• Nice to have knowledge of Automation (Ansible/Python) for configurations.
• Experience in troubleshooting network issues in multi-vendor environment.
• Very Good understanding of the OSI Layer model.
• Deploying configurations in accordance with the agreed roll-out plans.
• Good understanding of routing protocols.
• Good understanding of network segmentation and firewall engineering.
• Proven experience and demonstrable success with maintaining and implementing multi-service networks.
• Broad knowledge in overall IT Infrastructure and Telecommunications.
• Bachelor's degree or equivalent required.
• English proficiency, both writing and speaking.
• Ability to work in an organized manner with excellent planning, organization, and time management skills, paying close attention to detail to ensure quality in work delivered.
• Strong interpersonal skills, with a focus on teamwork and collaboration.
• Exposure to ITIL concepts.
• Certifications or equivalent mandatory.
  
  

What's next:

It's best to apply today, because job postings can be taken down and we wouldn't want you to miss this opportunity. In case you need further information, just send us a message at [email protected] and we'll be happy to assist!

The preceding job description had been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties and responsibilities required of employees assigned to this job.

Diversity & Inclusion

Here at the Stefanini Group, we value plurality and equity, regardless of race, sexual orientation, disability, age, ancestry, religion, gender, and nationality. We understand and encourage the importance of being you!

About Us

We are the Stefanini group, a global tech consulting company of Brazilian origin that believes in the power of people to transform businesses through technology.

We are present in over 40 countries and operate with the purpose of co-creating solutions TOGETHER WITH OUR CLIENTS that accelerate results and improve the experience of people and organizations.

Here, we like to say that technology is not the end, but the means: what really matters are the people who drive it all.

Our mindset is AI First, meaning we invest in cutting-edge technology in everything we do, focusing on results for our clients.

We are a company, A GROUP, that breathes collaboration and offers a dynamic environment where you will learn by doing, grow alongside the team, and have space to contribute with ideas and projects.

More than just talking about digital transformation, we believe in real transformation that starts with people and impacts real businesses.

If you are looking for a place to develop, innovate, and be part of something bigger, the Stefanini Group is your place.

We want to inform you that there are currently scams targeting job seekers by falsely using our company's name, Stefanini. We sincerely apologize for any confusion or inconvenience this may have caused.

Please remember that legitimate job offers from Stefanini will always come through official channels, including direct communication with our trained recruiters. If you receive any unsolicited messages requesting payment or personal information, please disregard them.

If you suspect you've been targeted, please contact us immediately at [email protected] for verification.

Key Points to Remember:

• Legitimate job offers only follow interviews conducted with our hiring managers or clients.
• We will never ask for payment at any stage of the recruitment process.
  
  

Stay vigilant and feel free to reach out for verification. Your safety and security are our top priorities. Thank you for your understanding and cooperation.