Network Security Engineer

6 days ago


Boston, MA, United States Purple Drive Full time

We are looking for a skilled Network Security Engineer to design, implement, and maintain secure, scalable, and high-performing network infrastructures. The ideal candidate will have strong expertise in firewall technologies, load balancers, and security best practices to safeguard enterprise systems and applications.

Roles & Responsibilities:

  • Design, implement, configure, and maintain secure network infrastructure.
  • Manage, monitor, and troubleshoot firewalls (Palo Alto, Cisco ASA, CheckPoint).
  • Configure, deploy, and support F5 Load Balancers to ensure high availability and performance.
  • Implement network segmentation, VPNs, and security access controls.
  • Monitor and analyze network performance and security logs to detect and resolve issues.
  • Collaborate with security, infrastructure, and application teams to ensure compliance with security policies.
  • Perform upgrades, patches, and security hardening for network devices.
  • Respond to incidents, conduct root cause analysis, and recommend preventive measures.
Required Skills:
  • Strong hands-on expertise in Palo Alto, ASA, and CheckPoint firewalls.
  • Proficiency in configuring and managing F5 Load Balancers.
  • In-depth knowledge of routing, switching, and network protocols (TCP/IP, BGP, OSPF, VLANs, VPN).
  • Experience with IDS/IPS, proxy, and network monitoring tools.
  • Familiarity with SSL, TLS, IPsec, and encryption standards.
  • Strong troubleshooting and analytical skills.
  • Excellent documentation and communication abilities.
Good to Have:
  • Relevant certifications: CCNP Security, PCNSE (Palo Alto), CCSA/CCSE (CheckPoint), F5 Certified.
  • Experience in cloud network security (AWS, Azure, or GCP).
  • Knowledge of automation/scripting (Python, Ansible, etc.) for network management.
  • Familiarity with SIEM tools and SOC operations.


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