Sr. Cybersecurity Engineer | W2

Sr. Cybersecurity Engineer

Location:

NYC, NY. or REMOTE
Contract role. W2 Only (No OPT's please)

We are looking for a technically strong engineer with deep hands‑on experience across proxy, Crowd Strike, Tessian, networking, firewalls, Azure, Entra , and hybrid environments involving on‑premises data centers and cloud. The ideal candidate is a problem solver who can design, implement, and support secure, scalable infrastructure solutions.

• Manage and support proxy infrastructure, firewalls, and network connectivity across hybrid environments
• Administer and tune security tools such as Crowd Strike and Tessian for endpoint and email protection
• Implement and manage Azure networking, identity, and access management (Entra )
• Support hybrid identity integrations between on‑prem AD and Azure
• Troubleshoot complex networking and security issues across data centers and cloud environments
• Collaborate with security, infrastructure, and application teams to ensure a secure and stable environment
• Document configurations, processes, and incident resolutions

• Strong hands‑on expertise with proxies and enterprise firewalls
• Experience with Crowd Strike EDR and Tessian email security
• Solid networking skills – routing, switching, VPNs, DNS, DHCP, NAT
• Proficiency with Azure cloud services and Entra  (Azure AD)
• Experience managing hybrid on‑premises and cloud infrastructures
• Good understanding of security best practices and incident response
• 5–8 years of relevant technical experience