Network Security Engineer - Banking & Finance

Hamilton Barnes Associates Limited; Kansas; On-site; USD 176,000 - 215,000; Full time

Benefits offered by this job

Competitive Total Comp

Job summary

Hamilton Barnes Associates Limited in the United States seeks a Senior Network Security Engineer to design, implement, and support large-scale firewall and network security solutions within a global infrastructure team.

You will work with networking, cloud, and infrastructure teams to protect critical enterprise environments while enabling secure and reliable network operations across on-prem and hybrid environments.

Qualifications

• 5+ years of experience in Network Security Engineering.
• Hands-on experience with Palo Alto firewalls and Panorama.
• Strong networking fundamentals (BGP, OSPF, TCP/IP, NAT).
• Experience designing secure enterprise networks and leading firewall migrations.
• Scripting or automation experience (Python, APIs) advantageous.
• Exposure to AWS networking, Cloudflare, F5, Arista or similar technologies.

Responsibilities

• Design, deploy and manage Palo Alto firewall environments, including Panorama, security policies and SSL decryption.
• Lead firewall migrations and improve network security architecture across global infrastructure.
• Troubleshoot complex network and security issues involving routing, NAT, traffic flows and packet analysis.
• Work alongside infrastructure and cloud teams to deliver resilient, secure connectivity across on-prem and hybrid environments.
• Act as a senior escalation point, mentor junior engineers and help drive operational best practices.
• Identify opportunities to improve security, automation and overall network performance.

Skills

Network Security

Palo Alto Firewall

Panorama

BGP

OSPF

TCP/IP

NAT

Packet analysis

Python automation

AWS networking

Cloudflare

F5

Arista

Tools

Palo Alto Panorama

Python

APIs

AWS

Cloudflare

F5

Arista

Job description

Are you looking for an exciting new opportunity?

Join a global financial markets infrastructure provider delivering trusted trading, exchange, and market technology solutions across derivatives, foreign exchange, digital assets, and securities. The organisation operates critical infrastructure across global offices and data centres, with a strong focus on security, reliability, and innovation.

The role focuses on designing, implementing, and supporting large-scale firewall and network security solutions within a global infrastructure team. You'll work closely with networking, cloud, and infrastructure teams to protect critical enterprise environments while supporting secure and reliable network operations.

Responsibilities:

• Design, deploy and manage Palo Alto firewall environments, including Panorama, security policies and SSL decryption
• Lead firewall migrations and improve network security architecture across global infrastructure
• Troubleshoot complex network and security issues involving routing, NAT, traffic flows and packet analysis
• Work alongside infrastructure and cloud teams to deliver resilient, secure connectivity across on-prem and hybrid environments
• Act as a senior escalation point, mentor junior engineers and help drive operational best practices
• Identify opportunities to improve security, automation and overall network performance

Skills/Must Have:

• 5+ years' experience in Network Security Engineering
• Strong hands-on experience with Palo Alto firewalls and Panorama
• Solid networking fundamentals including BGP, OSPF, TCP/IP, NAT and packet analysis
• Experience designing secure enterprise networks and leading firewall migration
• Scripting or automation experience (Python, APIs or similar) is advantageous
• Exposure to AWS networking, Cloudflare, F5, Arista or other enterprise networking technologies is a plus

Salary:

• Up to $195,000 Total Comp