12/17/2025 updated
100 % available
Senior Network Engineer with Security Expertise
Montemor-o-Novo, Portugal
Only remote
CCNP Enterprise, CCNP Security, OSCP, AZ-700Network EngineeringPenetration TestingAutomationMicrosoft AzureBash ShellBorder Gateway ProtocolCloud ComputingLinuxDynamic Multipoint Virtual Private NetworksDomain Name System (DNS)Incident ResponseEnhanced Interior Gateway Routing ProtocolIPv6Python (Programming Language)Network Monitoring
Network Engineering
Advanced expertise in BGP, OSPF, EIGRP, IPv6, DMVPN, SD-WAN technologies with Arista, Cisco, and HP/Aruba equipment
Security Solutions
Comprehensive security management with Palo Alto, Check Point, FortiGate, Tenable, Sophos, and incident response capabilities
Automation and Scripting
Proficient automation using Python, PowerShell, Bash, and Ansible for workflow optimization and deployment automation
Platform Management
Extensive experience with Infoblox DDI, Linux systems, DNS management, load balancing, VMware NSX-T, and Nutanix platforms
Azure Cloud Services
Azure Network Engineer Associate certified with cloud networking expertise
Penetration Testing
Web application penetration testing skills with eLearnSecurity certifications and Burp Suite proficiency
Vulnerability Management
Tenable vulnerability management systems optimization and security assessment capabilities
Network Monitoring
Implementation of monitoring solutions using Zabbix and Syslog for network visibility and troubleshooting
Advanced expertise in BGP, OSPF, EIGRP, IPv6, DMVPN, SD-WAN technologies with Arista, Cisco, and HP/Aruba equipment
Security Solutions
Comprehensive security management with Palo Alto, Check Point, FortiGate, Tenable, Sophos, and incident response capabilities
Automation and Scripting
Proficient automation using Python, PowerShell, Bash, and Ansible for workflow optimization and deployment automation
Platform Management
Extensive experience with Infoblox DDI, Linux systems, DNS management, load balancing, VMware NSX-T, and Nutanix platforms
Azure Cloud Services
Azure Network Engineer Associate certified with cloud networking expertise
Penetration Testing
Web application penetration testing skills with eLearnSecurity certifications and Burp Suite proficiency
Vulnerability Management
Tenable vulnerability management systems optimization and security assessment capabilities
Network Monitoring
Implementation of monitoring solutions using Zabbix and Syslog for network visibility and troubleshooting
Experience
Professional experience10+ years
Freelancer since2020
Languages
EnglishFluentDutchNative speakerPortugueseBasic knowledge
Project history
Lead engineer for major network segmentation programme across datacenters. Designed and implemented secure segmentation using Palo Alto, Infoblox, Arista, VMware and Nutanix. Automated critical workflows with Ansible, Python and PowerShell.
Managed Infoblox, Palo Alto, Check Point across complex enterprise environments. Automated NSX-T firewall migration tasks, DNS cleanup, and IP reputation blocking. Member of Analytics team investigating suspicious traffic and incident response.
Resolved severe DDoS-related performance issues and improved network stability. Redesigned network and replaced SonicWall with FortiGate across multiple locations. Introduced monitoring with Zabbix and Syslog.