Network Security Engineer

Quantum Technologies. LLC; New York (NY); On-site; USD 89,000 - 126,000; Full time

Job summary

Quantum Technologies. LLC is seeking a Network Security Engineer for a 12-month contract in Liverpool, NY. The role involves owning enterprise-grade firewall management, routing and switching troubleshooting, and supporting multiple remote sites and datacenters.

The candidate will perform vulnerability assessments, patching, monitoring, and documentation, with up to 25% travel. US work authorization is required; 12 months plus extension possible.

Qualifications

• 3+ years hands-on network engineering/security experience with strong knowledge of firewalls, routers, switches, TCP/IP, VPNs, DNS, DHCP, SNMP, load balancing, and network troubleshooting.

Responsibilities

• Manage and maintain enterprise-grade firewalls.
• Configure and troubleshoot routing and switching infrastructure.
• Support multi-site network environments and remote datacenters.
• Perform vulnerability assessments and remediation activities.
• Maintain patching, backups, monitoring, and network security tools.
• Participate in 24x7 on-call rotation.
• Create and maintain network diagrams and documentation.
• Travel up to 25% to support sites and infrastructure projects.

Skills

Network security

Firewall administration

Routing

Switching

Network monitoring

Vulnerability assessment

Log management

Backup and recovery

Hardware deployment

Cisco IOS upgrades

Remote site support

Tools

Cisco IOS

Microsoft Visio

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title:Network Security Engineer
Location:Liverpool, NY
Duration:12 Months + Extension
Bill Rate:$78/hour
Job Type:W-2, 1099, C2C
Client:To Be Discussed Later
Work Authorization:US-Citizen, H-1B, OPT-EAD, GC-EAD
Job Description:

• Network Security Engineering experience
• Strong Firewall Administration (rule creation, policy management, security hardening)
• Routing & Switching expertise
• Routers, Switches, and Network Infrastructure support
• Network Vulnerability Assessments & Security Scanning
• Network Monitoring, Syslog, and Log Management
• Network Backup & Recovery
• Rack & Stack / Hardware Deployment
• Cisco IOS Upgrades and Network Hardware Installation
• Microsoft Visio
• Ability to support multiple remote sites and datacenters
• Experience with NERC CIP environments preferred

Responsibilities:

• Manage and maintain enterprise-grade firewalls.
• Configure and troubleshoot routing and switching infrastructure.
• Support multi-site network environments and remote datacenters.
• Perform vulnerability assessments and remediation activities.
• Maintain patching, backups, monitoring, and network security tools.
• Participate in 24x7 on-call rotation.
• Create and maintain network diagrams and documentation.
• Travel up to 25% to support sites and infrastructure projects.

Target Background:

Candidates should have 3+ years of hands-on network engineering/security experience with strong knowledge of firewalls, routers, switches, TCP/IP, VPNs, DNS, DHCP, SNMP, load balancing, and network troubleshooting.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.