Network Security Engineer

Position

Network Security Engineer

Location

St. Louis, MO

Duration

Fulltime

Job Description

Must Have Technical/Functional Skills

• Demonstrated professional experience in network or security engineering, with the ability to independently design, implement, and support enterprise network security solutions.
• Experience securing AWS and/or Azure environments.
• Hands-on experience with next-generation firewalls, preferably Palo Alto.
• Strong knowledge of network segmentation, security operations, and risk assessment.
• Ability to perform security reviews, identify gaps, and implement remediation actions.
• Working knowledge of WAF, IPS, web proxy, and DLP technologies.
• Experience creating technical standards, documentation, and architecture diagrams.
• Familiarity with Ansible, Terraform, scripting, APIs, and security monitoring/reporting tools.
• Strong communication, collaboration, and mentoring skills.
• Flexibility to support after-hours or on-call work when needed.

Roles & Responsibilities

• The Network Security Engineer 3 will design, implement, and support enterprise network and cloud security solutions, with a focus on segmentation, firewall management, secure design, and risk reduction.
• Design and support secure network and cloud solutions across enterprise environments.
• Configure and manage next-generation firewalls, preferably Palo Alto.
• Develop network segmentation and secure architecture patterns.
• Perform security reviews and risk assessments, identify gaps, and drive remediation.
• Support WAF, IPS, web proxy, DLP, and related security technologies.
• Create and maintain standards, architecture diagrams, and technical documentation.
• Automate repeatable security activities using Ansible, Terraform, scripting, or APIs where appropriate.
• Partner with infrastructure, cloud, application, and cybersecurity teams to reduce risk and strengthen security practices.
• Support security incidents, production changes, and after-hours activities when required.