Network Security Engineer

KWANLisboaitjobsنُشرت في 18‏/09‏/2026
إلزامي:DevOpsSecurity

We are looking for a Network Security Engineer to work in Lisbon who's eager to embark on an exciting new opportunity! Apply here https://form.typeform.com/to/PYqxT8NO?opportunity=Marta%20Gomes&channel=ITJobs

About KWAN

We connect IT professionals with projects that match their skills, professional experience, and goals, then we offer a career progression program, delivered by in-house specialists - our People Experience Partners - to guide them through our journey with us.

What is this challenge about

  • Ensure the operational maintenance of network security infrastructures, with a strong focus on quality, productivity, and security.
  • Diagnose and troubleshoot security and network-related issues, identifying the root causes of malfunctions and traffic flow blockages.
  • Implement, manage, and maintain security policies and firewall rules.
  • Create, modify, review, and optimize firewall security rules according to business and security requirements.
  • Propose and implement improvements to existing security policies and processes.
  • Define and apply best practices for security policy management.
  • Provide technical expertise, support, advice, and guidance in the area of network security.
  • Collaborate with experts from other technical domains, including Networking, Infrastructure, Systems, and Security.
  • Ensure compliance with relevant IT security, quality, and operational standards.
  • Manage operational activities such as requests, incidents, changes, and technical documentation.
  • Ensure the required level of service quality in accordance with Service Level Agreements (SLAs).
  • Contribute to network segmentation and micro-segmentation initiatives.

What we are looking for

  • 1 year of proven experience as a Network Security Engineer.
  • Professional experience in Network Security / Network Engineering.
  • Hands-on experience with firewall security rules and policies.
  • Knowledge of Palo Alto and/or Fortinet firewalls.
  • Knowledge or experience with network segmentation and micro-segmentation technologies.
  • Experience with VMware NSX-T / VCF 9 is highly valued.
  • Good understanding of network concepts, traffic flows, protocols, and connectivity troubleshooting.
  • Experience working in an IT production environment.
  • Familiarity with IT operational processes, including incident, request, change management, and documentation.
  • Ability to analyse problems, identify root causes, and implement effective solutions.
  • Good communication skills and ability to collaborate with different technical teams.
  • Strong awareness of IT security best practices and standards.
  • Fluency in English (minimum B2).

Do you meet most of the position requirements? Then grab this opportunity and apply now! https://form.typeform.com/to/PYqxT8NO?opportunity=Marta%20Gomes&channel=ITJobs

What we offer

  • A project that matches your skills and ambitions, as well as your preferences for working policies and culture.
  • A competitive salary with awesome benefits and opportunities to leverage your knowledge and network to earn additional income.
  • An empowering and respectful work culture enriched with social and learning events.
  • A People Experience Partner specially assigned to you - your go-to career guide, responsible for supporting your growth, facilitating training, and ensuring your work-life balance at KWAN.
  • A relocation package and visa sponsorship for all our international hires.

Some Words From Our Colleagues

“At KWAN, they make sure that I feel comfortable with the client I’m working for and that what I’m doing aligns with my career aspirations.” - Luis Caldeira, DevOps @ KWAN

Grab this opportunity, apply now! https://form.typeform.com/to/PYqxT8NO?opportunity=Marta%20Gomes&channel=ITJobs