Senior Network Security Engineer

Job Description A top-tier financial services client based in Boston is hiring a Senior Network Engineer for a full-time hybrid role. This position is part of a core infrastructure team that supports secure, scalable, and highly available network operations across the company's trading platforms, data centers, and cloud environments.
As the firm continues investing in its digital transformation, the Senior Network Engineer will lead efforts to modernize the network architecture, bringing a focus on automation, resiliency, and compliance-driven design. This is an ideal opportunity for a seasoned engineer who's experienced in building and supporting high-performance networks in demanding, security-sensitive environments.
You'll work closely with infrastructure, security, and cloud teams to implement best-in-class networking solutions that support everything from real-time transactions to enterprise SaaS applications.
This is a full-time role. Required Skills & Experience

• 6+ years of experience in network engineering roles, preferably within financial services or enterprise environments
• Deep knowledge of Cisco Nexus, Arista, or Juniper platforms
• Advanced routing and switching: BGP, OSPF, EVPN/VXLAN
• Strong experience with Palo Alto or Fortinet firewalls
• Proficiency in network automation using Python, Ansible, or Terraform
• Familiarity with cloud networking in AWS, Azure, or Google Cloud Platform

Desired Skills & Experience

• Experience in low-latency or high-availability trading environments
• Understanding of regulatory requirements and network compliance
• Exposure to SD-WAN, Zero Trust, or microsegmentation strategies
• Strong documentation and cross-functional collaboration skills

What You Will Be Doing Tech Breakdown

• 60% Core, Data Center, and Cloud Network Architecture (L2/L3, Leaf-Spine)
• 25% Automation, Infrastructure-as-Code, and Operational Efficiency
• 15% Firewall Management, Segmentation, and Network Security

Daily Responsibilities

• 65% Hands-On Implementation and Troubleshooting
• 20% Strategic Planning and Design
• 15% Cross-Functional Collaboration and Documentation

The Offer

• Bonus OR Commission eligible

You will receive the following benefits:

• Medical Insurance
• Dental Benefits
• Vision Benefits
• Paid Time Off (PTO)
• 401(k) {including match- if applicable}

Applicants must be currently authorized to work in the US on a full-time basis now and in the future.