Network Security Engineer (5+ years)

Adentis Portugal; Lisboa; Presencial; EUR 40 000 - 60 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Health benefits

Flexible schedule

Work-life balance

Career progression

Training sponsorship

Employee discounts

Resumo da oferta

Adentis Portugal is seeking a skilled Networking/Cybersecurity Specialist to design, implement and maintain secure network infrastructures in Lisbon. You will monitor, detect and respond to incidents, configure firewall systems, and perform vulnerability analyses to strengthen defenses.

The role requires hands-on experience with network security tools, strong problem-solving ability and collaborative teamwork to improve policies and controls across the organization.

Qualificações

• Proven experience in networking and cybersecurity environments.
• Strong knowledge of network protocols, routing, switching and security principles.
• Hands-on experience with firewall configuration and network security tools.
• Ability to analyse security events, identify threats and implement mitigation strategies.
• Good problem-solving skills and the ability to work in a collaborative environment.

Responsabilidades

• Design, implement and maintain secure network infrastructures.
• Monitor, detect and respond to security incidents and vulnerabilities.
• Configure, manage and optimize network security solutions, including firewalls and security appliances.
• Perform security assessments, vulnerability analysis and remediation actions.
• Collaborate with internal teams to ensure secure architecture and compliance with security best practices.
• Support the continuous improvement of cybersecurity policies, processes and controls.
• Provide technical support and guidance on network and security-related topics.

Conhecimentos

Networking

Cybersecurity

Firewall configuration

Threat analysis

Problem solving

Ferramentas

Firewall tools

Network security tools

Descrição da oferta de emprego

With just over 9 years of experience in the Portuguese market, we share our DNA with more than 200 workers and position our offer according to 3 lines of service:

• Strategy (Outsourcing, NeXel, Team as a Service, Tech Academies);
• Nearshore.

In ADENTIS, we focus on PEOPLE. This is our emotional salary:

• Great Work-Life balance;
• Very flexible organizational routine;
• Health benefits (for you and your family);
• Over 300 protocols to offer you great discounts in different areas;
• Continuous professional development sponsored by our Training and Certification Department;
• Regular feedback on your performance through a personalized plan;
• Comprehensive career plan and progression involving assertive performance reviews.

Responsibilities:

• Design, implement and maintain secure network infrastructures.
• Monitor, detect and respond to security incidents and vulnerabilities.
• Configure, manage and optimize network security solutions, including firewalls and security appliances.
• Perform security assessments, vulnerability analysis and remediation actions.
• Collaborate with internal teams to ensure secure architecture and compliance with security best practices.
• Support the continuous improvement of cybersecurity policies, processes and controls.
• Provide technical support and guidance on network and security-related topics.

You must have:

• Proven experience in networking and cybersecurity environments.
• Strong knowledge of network protocols, routing, switching and security principles.
• Hands-on experience with firewall configuration and network security tools.
• Ability to analyse security events, identify threats and implement mitigation strategies.
• Good problem-solving skills and the ability to work in a collaborative environment.

Certifications:

• CCNA
• CompTIA Security+
• Fortinet NSE 4 (FortiOS)
• CEH