juvenal@internet: ~

juvenal@internet:~$ neofetch

Juvenal Barros

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RoleNetwork automation and cloud engineer
HostInternet
Uptime7+ years
Shellbash, python, powershell
StackAnsible, Terraform, AWS, Azure
LanguagesEnglish, Portuguese, Spanish, French

I build secure, scalable cloud and on-premises infrastructure. I specialise in network automation and Infrastructure as Code, and I focus on performance, security, reliability and cost.

Email me   LinkedIn

$ traceroute career
  1. 1ASK4Network Engineer2019–2021
  2. 2AuxilionSOC Analyst2021–2023
  3. 3Clear Channel Intl.Network and Cloud Engineer2023–2024
  4. 4UniqueXData Centre and Linux Engineer2024–2025
  5. 5HiltonNetwork Deployment Engineer2025–now

juvenal@internet:~$ cat experience.log

Network Deployment Engineer, Hilton [contract, Aug 2025 – now]

  • Support Hilton’s global enterprise LAN, keeping it highly available across international sites.
  • Migrate legacy HP switching to Cisco Meraki cloud-managed networking and SD-WAN.
  • Implement Network Access Control policies and fix Layer 2 vulnerabilities.

Data Centre and Linux Engineer, UniqueX [contract, Oct 2024 – Aug 2025]

  • Automated Linux deployments with Ansible, AWX, Netbox and CI/CD pipelines, plus PowerShell, Bash and Python.
  • Upgraded data centres, including routing, firewalls, MC-LAG and stacking.
  • Improved infrastructure performance by 25% and cut manual effort by 40%.

Network Infrastructure and Cloud Engineer, Clear Channel International [Mar 2023 – Oct 2024]

  • Built Power Automate flows for Exchange and Defender alerts, cutting threat response times by 40%.
  • Designed AWS VPC and Azure network architecture, including VPN and ExpressRoute.
  • Ran Aruba Central and ClearPass across 50+ sites and 1,000+ endpoints, with 30% better uptime.

SOC Analyst, Auxilion (IT Alliance) [Apr 2021 – Mar 2023]

  • Planned cloud capacity and cut cloud costs by 25% while keeping 99.9% uptime.
  • Supported VMware vSphere and Linux hosting, with a 98% first-tier resolution rate.
  • Acted as lead technical advisor for Virgin Media Business and cut incident resolution times by 35%.

Network Engineer, ASK4 [Mar 2019 – Mar 2021]

  • Deployed changes in the Network Rail production environment with zero downtime.
  • Set up Nagios monitoring on CentOS, improving network reliability by 40%.
  • Tuned Layer 3 routing and Layer 2 switching, reducing latency by 15%.

juvenal@internet:~$ cat skills.conf

networking
BGP, OSPF, EIGRP, MPLS, IPv6, VLANs, STP, EtherChannel, HSRP, VRRP, VPN, Wireshark, Nmap
security
Palo Alto, Fortigate, Check Point, Juniper SRX, Cisco ASA, Meraki MX, RADIUS, TACACS+, NAC
cloud
AWS, Azure, Google Cloud, Microsoft 365, Defender, Sentinel
automation
Ansible, AWX, Terraform, Docker, Kubernetes, GitHub, Python, Bash, PowerShell, SQL
systems
Linux, Windows Server, VMware vSphere, Proxmox, Hyper-V, VirtualBox
monitoring
Netbox, SolarWinds, Nagios, PRTG, Zabbix, Splunk, Elastic, ServiceNow, Jira

juvenal@internet:~$ ls certs/ education/

  • [PCNSE]
  • [AWS-SAA-C03]
  • [CCNP]
  • [CCNA-Security]
  • [LPIC-1/3]
  • [CCSA]

in progress: Azure AZ-104, AWS SysOps, AWS SOA-C02, OSCP

BSc Computer Science, Polytechnic University of Valencia
Upper Second Class Honours. Final project: enhancing network security in virtualised environments with VMware vSphere.

juvenal@internet:~$ echo $CONTACT

Looking for a network or cloud engineer? Email Juvenal.itconsultant@gmail.com or message me on LinkedIn.

juvenal@internet:~$