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Infrastructure Engineer (networking & Security)

Automate on-prem network setup and security policies using Infrastructure as Code tools
Nugegoda, Western Province, Sri Lanka
Senior
yesterday
Codimite

Codimite

An IT solutions provider specializing in software development, web and mobile applications, and digital transformation services.

Infrastructure Engineer

At Codimite, we're harnessing the power of cutting-edge AI technologies to transform our software development practices. By leveraging advanced tools like Microsoft Copilot, GitHub Copilot, ChatGPT 4, and Google Gemini Pro, we're equipping our development teams to craft innovative software solutions tailored to meet the diverse needs of our clients around the globe. Join us as we redefine the future of software development through the intelligent application of AI!

About the Role

We are looking for an Infrastructure Engineer who will own the design, automation, and operation of our on-prem networking and security infrastructure. This role is part of our DevOps team and follows the same principles we apply to our cloud platform: Infrastructure as Code, observability, and collaboration. You will ensure our office and datacenter network stack (UniFi, FortiGate, Wazuh) is secure, scalable, and integrated with our existing DevOps workflows.

Responsibilities

  • Design, implement, and automate network configurations (VLANs, WiFi policies, firewall rules) using IaC (Terraform, Ansible).
  • Manage UniFi switches, Dream Machine Pro, and enterprise WiFi (WPA3-Enterprise, RADIUS).
  • Configure and maintain FortiGate firewalls (VPNs, segmentation, security policies).
  • Integrate network monitoring with our existing observability stack (Prometheus, Wazuh, Grafana).
  • Collaborate with cloud DevOps engineers to provide seamless hybrid connectivity (Cloud VPN, HA VPN, Interconnect).
  • Take ownership of issues end-to-end, working cross-functionally with developers, security, and DevOps teams.
  • Document network topologies, policies, and changes in version-controlled repositories.

What We Value

  • Automation-first mindset: avoid manual config drift by codifying changes.
  • Strong collaboration: ability to work openly with developers and other teams.
  • Ownership: don't just fix issues — prevent recurrence, improve process.
  • Continuous improvement: push for observability, security, and resilience.

Skills & Experience

  • Proven experience with enterprise networking (LAN/WAN, VLANs, Fortinet firewalls, UniFi stack).
  • Experience with automation (Terraform, Ansible, Python/Bash).
  • Familiarity with SIEM/IDS (Wazuh/ELK stack) and integrating alerts into monitoring pipelines.
  • Understanding of hybrid cloud networking (VPNs, routing, BGP).
  • 3–5+ years experience in network/security engineering with DevOps exposure.
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Infrastructure Engineer (networking & Security)
Nugegoda, Western Province, Sri Lanka
Engineering
About Codimite
An IT solutions provider specializing in software development, web and mobile applications, and digital transformation services.