Hybrid Senior Network Security Engineer (Contract)

TOMORROW HIRE; Mechanicsville (VA); Hybrid; USD 95,000 - 123,000; Full time

Job summary

TOMORROW HIRE seeks a Senior Network Security Engineer to secure and support a hybrid enterprise network across on-premises and Azure environments. You will design secure networks, lead incident response, and drive vulnerability management for mission critical systems and public-facing apps.

The role requires hands-on security expertise in Palo Alto, WAF/NGFW, Azure networking, and SIEM; collaboration with Infra, Cloud, and Security teams; and an in-person interview for final consideration.

Qualifications

• Minimum 8 years of enterprise networking experience.
• Minimum 5 years of enterprise security experience.
• Minimum 3 years of Azure networking experience.
• Minimum 3 years of WAF/NGFW experience.
• Experience with incident response, log analysis, and security monitoring.
• Experience with SIEM platforms such as Splunk or Microsoft Sentinel.
• Experience with vulnerability assessment tools such as Nessus/Tenable.
• Experience with Active Directory, MFA, CA, and certificate management.
• Experience applying NIST CSF, 800-53, and Zero Trust principles.

Responsibilities

• Design, implement, and maintain secure network architectures across on-premises and Azure environments.
• Lead investigations, containment, and resolution of network security incidents.
• Review firewall rule requests and ensure compliance with security standards.
• Monitor security events using SIEM platforms and coordinate incident response.
• Perform proactive threat hunting and vulnerability remediation across enterprise networks.
• Lead implementation and management of WAF solutions and secure connectivity.

Skills

Enterprise networking

Azure networking

WAF/NGFW

Incident response

SIEM (Splunk)

Vulnerability management

AD/MFA/CA

Zero Trust

Tools

Palo Alto

Azure WAF

Cisco ISE

Nessus/Tenable

Splunk

Microsoft Sentinel

Job description

TOMORROW HIRE seeks a Senior Network Security Engineer to secure and support a hybrid enterprise network across on-premises and Azure environments. You will design secure networks, lead incident response, and drive vulnerability management for mission critical systems and public-facing apps.

The role requires hands-on security expertise in Palo Alto, WAF/NGFW, Azure networking, and SIEM; collaboration with Infra, Cloud, and Security teams; and an in-person interview for final consideration.