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Sr. Cybersecurity Engineer || W2 Only ||

NYC, NY.
Sr. Cybersecurity Engineer
Location: NYC, NY. or REMOTE
W2 Only (No OPT's please)
Contract role.

 

Job Description:
We are looking for a technically strong engineer with deep hands-on experience across proxy, CrowdStrike, Tessian, networking, firewalls, Azure, Entra ID, 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.

Key Responsibilities:
• Manage and support proxy infrastructure, firewalls, and network connectivity across hybrid environments
• Administer and tune security tools such as CrowdStrike and Tessian for endpoint and email protection
• Implement and manage Azure networking, identity, and access management (Entra ID)
• 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

Required Skills & Experience:
• Strong hands-on expertise with proxies and enterprise firewalls
• Experience with CrowdStrike EDR and Tessian email security
• Solid networking skills – routing, switching, VPNs, DNS, DHCP, NAT
• Proficiency with Azure cloud services and Entra ID (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

 
HR
Xlysi LLC, Expert Portal Solutions
251 Milwaukee Ave, Buffalo grove, IL 60089
Web    : http://www.xlysi.com
E-mail: hr@xlysi.com
 
Our training portal registration: 
http://xlysi.catsone.com/careers/index.php?m=portal&a=apply&jobOrderID=345179&portalID=2106

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