QUANTEAM - North America (RAINBOW PARTNERS Group)
Senior Network Security Engineer – Infrastructure & Cyber Resilience
QUANTEAM - North America (RAINBOW PARTNERS Group), New York, New York, us, 10261
Senior Network Security Engineer – Infrastructure & Cyber Resilience
This range is provided by QUANTEAM - North America (RAINBOW PARTNERS Group). Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Base pay range
$110,000.00/yr - $160,000.00/yr
As the founding entity of RAINBOW PARTNERS, Quanteam is a consulting firm specializing in the fields of Banking, Finance, and Financial Services. Guided by our core values of closeness, teamwork, diversity, and excellence, our team of 1,000 expert consultants, representing 35 different nationalities, collaborates across 10 international offices: Paris, Lyon, New York, Montreal, London, Brussels, Geneva, Lisbon, Porto and Casablanca.
W2 Only, no C2C
We are seeking an experienced
Senior Network Security Engineer
to design, secure, and optimize complex enterprise network infrastructures across hybrid environments. The ideal candidate combines deep technical expertise in
firewalls, load balancers, VPNs, proxies, and remote access
with a strong understanding of
zero-trust architecture and network segmentation .
This role involves close collaboration with cybersecurity, infrastructure, and audit teams to maintain a robust, compliant, and high-performing network environment supporting critical business operations.
Key Responsibilities
Network Security Architecture:
Design, implement, and maintain secure network infrastructure including
Fortinet, Palo Alto, and Cisco Firewalls ,
F5 Load Balancers ,
VPN ,
DMZ , and
Proxy
systems.
Infrastructure Oversight:
Manage DNS, DHCP, LAN/WAN/VPN, and authentication mechanisms to ensure availability and performance.
Security & Compliance:
Conduct vulnerability assessments, manage patching cycles, and collaborate with audit and IT security teams on remediation and documentation.
Monitoring & Optimization:
Utilize tools such as
Splunk, Qualys, and Centreon
for performance monitoring, alerting, and incident response.
Leadership & Mentorship:
Guide junior engineers, promote best practices, and foster knowledge sharing across teams.
Project Delivery:
Lead network transformation and cybersecurity initiatives aligned with enterprise goals.
Documentation & Reporting:
Maintain network inventories, diagrams, and procedures. Deliver periodic security reports and dashboards to management.
Required Skills & Experience
8+ years in
network security engineering
or infrastructure management within complex enterprise environments (finance or critical industries preferred).
Networking:
L2/L3, BGP, VXLAN, LAN/WAN/VPN, DNS/DHCP, WSG (Web Security Gateway), Proxy-pac scripting
Security Tools:
Fortinet, Palo Alto, F5, Cisco Firepower
Protocols:
OSI Layer 4 & 7 analysis and troubleshooting
Proficiency in
automation or scripting (Python, PowerShell, or Ansible) .
Excellent communication, documentation, and cross-team collaboration skills.
Ability to operate autonomously, manage priorities, and drive complex projects to completion.
Preferred Qualifications
Bachelor’s or Master’s in Computer Science, IT, or Cybersecurity.
Certifications such as CISSP, CISM, PCNSE, NSE 4/5, CCNP Security or Enterprise.
Experience with Arista Networks, Ansible, or micro-segmentation (Illumio / VMware NSX) is a strong plus.
Seniority level:
Mid-Senior level
Employment type:
Full-time
Job function:
Information Technology
Industries:
Financial Services and Information Services
Get notified about new Network Security Engineer jobs in
New York, NY .
Note: This refined description focuses on the core responsibilities and qualifications for the Senior Network Security Engineer role and removes unrelated postings and boilerplate.
#J-18808-Ljbffr
Base pay range
$110,000.00/yr - $160,000.00/yr
As the founding entity of RAINBOW PARTNERS, Quanteam is a consulting firm specializing in the fields of Banking, Finance, and Financial Services. Guided by our core values of closeness, teamwork, diversity, and excellence, our team of 1,000 expert consultants, representing 35 different nationalities, collaborates across 10 international offices: Paris, Lyon, New York, Montreal, London, Brussels, Geneva, Lisbon, Porto and Casablanca.
W2 Only, no C2C
We are seeking an experienced
Senior Network Security Engineer
to design, secure, and optimize complex enterprise network infrastructures across hybrid environments. The ideal candidate combines deep technical expertise in
firewalls, load balancers, VPNs, proxies, and remote access
with a strong understanding of
zero-trust architecture and network segmentation .
This role involves close collaboration with cybersecurity, infrastructure, and audit teams to maintain a robust, compliant, and high-performing network environment supporting critical business operations.
Key Responsibilities
Network Security Architecture:
Design, implement, and maintain secure network infrastructure including
Fortinet, Palo Alto, and Cisco Firewalls ,
F5 Load Balancers ,
VPN ,
DMZ , and
Proxy
systems.
Infrastructure Oversight:
Manage DNS, DHCP, LAN/WAN/VPN, and authentication mechanisms to ensure availability and performance.
Security & Compliance:
Conduct vulnerability assessments, manage patching cycles, and collaborate with audit and IT security teams on remediation and documentation.
Monitoring & Optimization:
Utilize tools such as
Splunk, Qualys, and Centreon
for performance monitoring, alerting, and incident response.
Leadership & Mentorship:
Guide junior engineers, promote best practices, and foster knowledge sharing across teams.
Project Delivery:
Lead network transformation and cybersecurity initiatives aligned with enterprise goals.
Documentation & Reporting:
Maintain network inventories, diagrams, and procedures. Deliver periodic security reports and dashboards to management.
Required Skills & Experience
8+ years in
network security engineering
or infrastructure management within complex enterprise environments (finance or critical industries preferred).
Networking:
L2/L3, BGP, VXLAN, LAN/WAN/VPN, DNS/DHCP, WSG (Web Security Gateway), Proxy-pac scripting
Security Tools:
Fortinet, Palo Alto, F5, Cisco Firepower
Protocols:
OSI Layer 4 & 7 analysis and troubleshooting
Proficiency in
automation or scripting (Python, PowerShell, or Ansible) .
Excellent communication, documentation, and cross-team collaboration skills.
Ability to operate autonomously, manage priorities, and drive complex projects to completion.
Preferred Qualifications
Bachelor’s or Master’s in Computer Science, IT, or Cybersecurity.
Certifications such as CISSP, CISM, PCNSE, NSE 4/5, CCNP Security or Enterprise.
Experience with Arista Networks, Ansible, or micro-segmentation (Illumio / VMware NSX) is a strong plus.
Seniority level:
Mid-Senior level
Employment type:
Full-time
Job function:
Information Technology
Industries:
Financial Services and Information Services
Get notified about new Network Security Engineer jobs in
New York, NY .
Note: This refined description focuses on the core responsibilities and qualifications for the Senior Network Security Engineer role and removes unrelated postings and boilerplate.
#J-18808-Ljbffr