Senior Network Architect – Cisco, Cloud & Security

Arrowstreet Capital; Boston (MA); On-site; USD 105,000 - 320,000; Full time

Job summary

Arrowstreet Capital, a Boston-based systematic investment firm, seeks a Senior Networking Engineer to lead architecture, design, and implementation of our networking environment.

The role requires extensive Cisco experience (Nexus, IOS) and hands-on work with LAN/WAN/MAN, security, and cloud networking across AWS and Azure. You will design, document, and optimize enterprise networks and collaborate across teams to drive strategic networking initiatives.

Qualifications

• At least five years of routing and switching in an enterprise environment.
• Hands-on experience with LAN/WAN/MAN technologies.
• Experience with Cisco Nexus and Palo Alto next-gen firewall platforms.
• Experience with load balancers, preferably F5 LTM/GTM.
• Hands-on experience with AWS networking (Transit Gateway, AWS Network Manager, Route Analyzer, CloudWatch).
• Comprehensive network architecture experience, including design and documentation.
• Experience with modern routing protocols.
• Designing hybrid networks using AWS Direct Connect.
• Integrating on-premise and cloud provider networks.
• Strong knowledge of Cisco ISE.
• ACLs/TCP/IP/VLAN/QoS/IP routing.
• Ability to develop a long-term enterprise network roadmap.
• Strong cross-team communication.

Responsibilities

• Support all aspects of the network environment.
• Create operational documentation.
• Tune the network for optimal performance.
• Research value-add technologies.
• Research and implement network and security solutions.
• Implement patching strategy for network devices.

Skills

Routing & Switching

Cisco Nexus

Palo Alto Firewall

AWS Networking

Network Architecture

QoS

ACLs

TCP/IP

Network Security

IaC Automation

Tools

Cisco IOS

F5 LTM/GTM

AWS Transit Gateway

AWS Network Manager

Direct Connect

Azure Networking

Terraform

Ansible

Job description

Arrowstreet Capital, a Boston-based systematic investment firm, seeks a Senior Networking Engineer to lead architecture, design, and implementation of our networking environment.

The role requires extensive Cisco experience (Nexus, IOS) and hands-on work with LAN/WAN/MAN, security, and cloud networking across AWS and Azure. You will design, document, and optimize enterprise networks and collaborate across teams to drive strategic networking initiatives.