ACN Communication Services LLC-posted 3 months ago
Senior
Charlotte, NC

We are seeking a highly skilled Senior Network Engineer to design, implement, and maintain secure, scalable, and high-performance network infrastructure across our AWS cloud and on-premise environments. The ideal candidate is an AWS networking SME (subject matter expert) with firewalls (Palo Alto, Fortigate), Linux/Unix system administration, and a proven track record of automating infrastructure using modern DevOps practices (Terraform, GitLab CI/CD, Python). This role requires a hands-on technical leader who can collaborate across DevOps, Security, and Application Development teams to deliver resilient network solutions.

  • Architect, implement, and manage VPCs, subnets, route tables, security groups, NACLs, Transit Gateways, Direct Connect, and VPNs across multiple AWS accounts and regions.
  • Troubleshoot complex connectivity, routing, and peering issues in AWS environments.
  • Design scalable multi-account/multi-region networking solutions aligned with best practices.
  • Configure and manage Palo Alto and Fortigate firewalls (rules, NAT, IPS/IDS, SSL decryption, VPN tunnels).
  • Implement advanced security controls, segmentation, and zero-trust principles.
  • Perform firewall policy audits and optimize configurations for performance and compliance.
  • Administer Linux/Unix systems with expertise in performance tuning, patching, and troubleshooting.
  • Build and maintain Infrastructure as Code (IaC) using Terraform for repeatable, automated provisioning.
  • Develop and maintain GitLab CI/CD pipelines to streamline deployments and enforce DevSecOps practices.
  • Write robust Python automation scripts for operational efficiency, monitoring, and integrations.
  • Partner with security, DevOps, and application engineering teams to deliver end-to-end solutions.
  • Mentor junior engineers, perform design reviews, and contribute to best practice documentation.
  • Participate in on-call rotation and incident response for critical network and infrastructure issues.
  • 5+ years in network engineering, with a focus on cloud and hybrid environments.
  • Expert-level AWS networking (VPC, Transit Gateway, routing, Direct Connect, VPN, BGP, security groups, etc.).
  • Hands-on experience with Palo Alto and Fortigate firewalls (design, configuration, troubleshooting).
  • Strong Linux/Unix administration background (shell scripting, performance, security hardening).
  • IaC with Terraform in production multi-account environments.
  • GitLab CI/CD pipeline creation and optimization.
  • Advanced Python programming for automation, tooling, and integrations.
  • Strong knowledge of network protocols (TCP/IP, DNS, DHCP, BGP, OSPF, IPSec, SSL, HTTP/S).
  • AWS Certifications (AWS Advanced Networking Specialty, Solutions Architect Professional)
  • Firewall certifications (PCNSE, NSE4/NSE7).
  • Experience with observability tools (Datadog, Grafana, Splunk, CloudWatch).
  • Familiarity with ECS/Docker.
  • Knowledge of compliance frameworks (SOC2, HIPAA, PCI-DSS).
  • Competitive compensation and benefits package.
  • Opportunity to build a NextGen cloud networking platform, at scale.
  • Collaborative and innovative team culture.
  • Professional growth with certifications, training, and leadership opportunities.
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