[Remote] Network Security Engineer

Note: The job is a remote job and is open to candidates in USA. CDW is seeking a Network Security Engineer to work remotely. The role involves designing and maintaining enterprise network architecture, managing secure connectivity solutions, and ensuring compliance with relevant security frameworks.

Responsibilities

• Design, implement, and maintain enterprise network architecture spanning on-prem data centers and cloud environments (AWS and Azure)
• Architect and manage secure connectivity solutions including VPNs, Direct Connect/ExpressRoute, SD-WAN, and hybrid cloud networking
• Configure and maintain Cisco networking infrastructure (routers, switches, firewalls, ASA/Firepower, ISE, etc.)
• Design and enforce network segmentation, Zero Trust architecture, and least-privilege access models
• Manage cloud-native security controls: AWS (VPC, Security Groups, NACLs, Transit Gateway, WAF, GuardDuty) and Azure (VNets, NSGs, Azure Firewall, Azure WAF/Front Door WAF, Sentinel, Azure AD/Entra ID)
• Design, deploy, and tune Web Application Firewall (WAF) policies across cloud and on-prem environments to protect against OWASP Top 10 threats, bot traffic, and DDoS attacks
• Monitor network traffic and security events; respond to incidents and lead root-cause analysis
• Evaluate and implement IDS/IPS, NGFW, and SIEM integrations
• Collaborate with DevOps/Platform teams to secure CI/CD pipelines and infrastructure-as-code (Terraform/CloudFormation)
• Ensure compliance with relevant frameworks (SOC 2, ISO 27001, NIST, HIPAA, PCI-DSS as applicable)

Skills

• Experience in network engineering with a strong security focus
• Cisco technologies (routing/switching, ASA/Firepower, ISE, SD-WAN)
• Strong working knowledge of AWS networking and security services (VPC, Transit Gateway, Security Groups, IAM, GuardDuty, WAF)
• Strong working knowledge of Azure networking and security services (VNets, NSGs, Azure Firewall, Azure AD/Entra ID, Sentinel)
• Solid understanding of network protocols (BGP, OSPF, VLANs, VXLAN) and security protocols (IPsec, TLS, 802.1X)
• Experience with firewall management, IDS/IPS, and network segmentation strategies
• Hands-on experience configuring and managing Web Application Firewalls (WAF) (e.g., AWS WAF, Azure WAF/Front Door, Cisco/F5, or Cloudflare) including rule tuning and threat mitigation
• Familiarity with Zero Trust Network Architecture (ZTNA) principles
• CCNP/CCIE Security
• AWS Certified Advanced Networking/Security
• Azure Network Engineer Associate
• CISSP
• Experience with SIEM tools (Splunk, Microsoft Sentinel, or similar)
• Experience with container/Kubernetes networking and security
• Network security: 7 years
• WAF: 5 years
• AWS: 3 years
• Azure: 3 years

Benefits

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Vision insurance

Company Overview

At CDW, we know how to make technology work so people can do great things. It was founded in 1984, and is headquartered in Vernon Hills, Illinois, USA, with a workforce of 10001+ employees. Its website is http://cdw.com.

Company H1B Sponsorship

CDW has a track record of offering H1B sponsorships, with 14 in 2026, 59 in 2025, 49 in 2024, 37 in 2023, 86 in 2022, 44 in 2021, 19 in 2020. Please note that this does not guarantee sponsorship for this specific role.