Senior Network Security Engineer

@ AlphaSense

About AlphaSense

The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making with AI-driven market intelligence and trusted content. The company is headquartered in New York City with global offices across the U.S., U.K., Finland, India, Singapore, Canada, and Ireland, and is expanding with the recent Tegus acquisition in 2024.

The Role

AlphaSense is seeking a Staff/Senior-level, hands-on Network Security Engineer to design, deploy, and secure a global corporate network across North America, EMEA, and APAC regions. You will serve as the technical authority for secure networking architecture, drive automation, and ensure resilient and scalable vendor-agnostic infrastructure. Global travel is expected for deployments.

What You’ll Do

• Architect and implement secure LAN/WAN/SD-WAN and Wi-Fi solutions across multiple offices.
• Manage Cisco Meraki switches, routers, firewalls, and access points while ensuring future vendor-agnostic integrations.
• Deploy and manage network security controls such as segmentation, NAC/802.1X, VPN, SWG/SASE, ZTNA, IDS/IPS, and DLP.
• Implement Wi-Fi EAP, certificate-based authentication, and enforce zero-trust access controls.
• Plan and optimize enterprise Wi-Fi, including RF design and performance tuning.
• Build secure cloud and hybrid networking across AWS, Azure, and GCP platforms.
• Automate deployments and configuration management with Python, Ansible, and IaC tools such as Terraform and GitOps.
• Implement observability and alerting measures to improve MTTR and service reliability.
• Support compliance efforts (SOC 2, ISO 27001) through secure configurations, change control, and documentation.
• Travel globally (approximately 25–40%) for on-site deployments and architecture reviews.

Who You Are

• 8–10+ years of experience in enterprise networking and network security.
• Deep expertise in routing, switching, segmentation; strong skills in firewalling.
• Proven experience with Cisco networking technologies, especially Cisco Meraki.
• Proficient in Python and Ansible for network automation.
• Skilled in NAC/RADIUS integrations with identity providers like Okta and Azure AD.
• Understanding of certificate-based authentication, EAP, and zero-trust architectures.
• Strong troubleshooting, documentation, and leadership skills.
• Willing and able to travel internationally as required.

Additional Information

AlphaSense is an equal-opportunity employer committed to a diverse work environment. The company also warns against recruiting scams; all official communications come from an @alpha-sense.com domain. Contact them if you suspect fraudulent postings.

Key skills/competency

• Network Security
• Cisco Meraki
• Automation
• Python
• Ansible
• Cloud Networking
• Wi-Fi Design
• Zero Trust
• Compliance
• Global Deployment