Role: Senior Network Engineer
Location: Waltham, MA (Hybrid) 2 days/week
Exp: 10+
Interview: F2F interview is required
Seeking a Senior Network Engineer to design, implement, and maintain the network infrastructure. In this role, you will be responsible for the full lifecycle of our network environment from firewall configuration and routing to switching and virtualized network security. This is a hands-on position requiring deep expertise in enterprise networking, with a strong emphasis on Palo Alto and Cisco technologies.
Key Responsibilities
Design, configure, and maintain enterprise network infrastructure including firewalls, routers, and switches
Manage and optimize Palo Alto Networks firewall environments, including policy creation, threat prevention, and VPN configurations
Administer Cisco routing and switching infrastructure (LAN/WAN, VLANs, inter-VLAN routing)
Implement and maintain VMware-based firewall and network virtualization solutions
Monitor network performance, troubleshoot connectivity issues, and resolve incidents in a timely manner
Collaborate with IT and security teams to ensure network architecture aligns with business and compliance requirements
Document network configurations, changes, and standard operating procedures
Participate in network design reviews and capacity planning
Required Qualifications
5+ years of experience in enterprise network engineering
Hands-on expertise with Palo Alto Networks firewalls (configuration, management, and troubleshooting)
Strong experience with Cisco routing and switching technologies
Experience with VMware firewall / network virtualization
Solid understanding of routing protocols (e.g., BGP, OSPF) and network topology design
Ability to work onsite in the Waltham, MA area as needed
Required Certifications
Cisco CCNP or equivalent demonstrated expertise in routing and switching
Preferred Qualifications
Experience working in the life sciences / biotech / pharmaceutical industry
Familiarity with network security frameworks and compliance standards relevant to life sciences (e.g., HIPAA, GxP)
Preferred Certifications
Palo Alto Networks Certified Network Security Engineer (PCNSE)
Cisco CCIE (Routing & Switching or Enterprise Infrastructure)
VMware Certified Professional (VCP) specifically in network virtualization or security
