Senior Network Security Engineer

About AlphaSense: 

The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes equity research, company filings, event transcripts, expert calls, news, trade journals, and clients’ own research content.

The acquisition of Tegus by AlphaSense in 2024 advances our shared mission to empower professionals to make smarter decisions through AI-driven market intelligence. Together, AlphaSense and Tegus will accelerate growth, innovation, and content expansion, with complementary product and content capabilities that enable users to unearth even more comprehensive insights from thousands of content sets. Our platform is trusted by over 6,000 enterprise customers, including a majority of the S&P 500. Founded in 2011, AlphaSense is headquartered in New York City with more than 2,000 employees across the globe and offices in the U.S., U.K., Finland, India, Singapore, Canada, and Ireland. Come join us!

The Role

We’re looking for a senior level, hands-on Network Security Engineer to design, deploy, and secure our global corporate network across offices in North America and EMEA/APAC. You’ll be the technical authority for secure networking architecture, driving automation, and ensuring our infrastructure is resilient, scalable, and vendor-agnostic. This role will partner closely with Corporate Technology, SRE, and Security Engineering and requires the ability to travel globally for deployments.

Who You Are

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

Nice to Have:

• Cloud networking depth (AWS, Azure, GCP).
• Experience with SASE/ZTNA platforms(Cloudflare/Zscaler).
• Professional certifications (CCNP, CCIE, JNCIP, etc.).

What You’ll Do

• Architect and implement secure LAN/WAN/SD-WAN and Wi-Fi for multiple global offices.
• Manage Cisco Meraki switches/routers/firewalls and  APs, while staying vendor-agnostic for future integrations.
• Deploy and manage network security controls including segmentation, NAC/802.1X, VPN, SWG/SASE, ZTNA, IDS/IPS, and DLP.
• Implement and manage Wi-Fi EAP (Enterprise Authentication), certificate-based authentication, and enforce zero-trust access controls.
• Plan and optimize enterprise Wi-Fi, including RF design, surveys, and performance tuning.
• Build secure cloud and hybrid networking (AWS, Azure, GCP) 
• Automate deployments and configuration management with Python, Ansible, and IaC tools (Terraform, GitOps).
• Implement observability and alerting; drive improvements in MTTR and service reliability.
• Support compliance (SOC 2, ISO 27001) with secure configs, change control, and documentation.
• Travel globally (approx. 25–40% during buildouts) for on-site deployments and architecture reviews. 

Why Join Us?

• Work on cutting-edge security challenges in a fast-growing company.
• Opportunity to shape and drive product security strategy.
• Collaborative and security-minded engineering culture.
• Competitive compensation, benefits, and career growth opportunities.

If you're a hands-on security leader passionate about building secure products, we’d love to hear from you!