Network Security Engineer

Programmers.io; O’Fallon (MO); On-site; USD 120,000 - 160,000; Full time

Job summary

Programmers.io in the United States is seeking a CheckPoint Specialist with strong Fortinet to design, implement, and support enterprise network security solutions across on‑premises, cloud, and hybrid environments.

You will lead firewall engineering, security policy management, and architectural governance, collaborating with enterprise teams to ensure secure segmentation, zero-trust models, and compliant security posture.

Responsibilities

• Design secure enterprise network architectures supporting cloud and on-premises initiatives.
• Develop network security standards, reference architectures, and governance frameworks.
• Lead security assessments and architecture reviews for new projects, applications, and infrastructure deployments.
• Architect segmentation strategies using firewalls, VRFs, VLANs, SDN, micro-segmentation, and zero-trust principles.
• Create scalable and resilient network designs supporting high availability, disaster recovery, and business continuity requirements.
• Collaborate with enterprise architecture, cloud, application, and cybersecurity teams to align security controls with business objectives.

Job description

Title: CheckPoint Specialist with strong Fortinet

Network Security Engineering / Architecture :

Role Summary

The Network Security Engineering & Architecture Lead is responsible for designing, implementing, and supporting enterprise network security solutions that protect critical infrastructure, applications, and data. This role provides advanced engineering, architecture, and operational support across firewalls, network segmentation, DNS, DHCP, Infoblox, Akamai, access management, and related security technologies.

The individual will drive secure network design, security policy governance, technology modernization, regulatory compliance, and continuous improvement initiatives while ensuring the enterprise network remains resilient, scalable, and secure across on-premises, cloud, and hybrid environments.

Key Responsibilities

Network Security Architecture & Design

• Design and implement secure enterprise network architectures supporting business, cloud, and digital transformation initiatives.
• Develop network security standards, reference architectures, and governance frameworks.
• Lead security assessments and architecture reviews for new projects, applications, and infrastructure deployments.
• Architect segmentation strategies using firewalls, VRFs, VLANs, SDN, micro-segmentation, and zero-trust principles.
• Create scalable and resilient network designs supporting high availability, disaster recovery, and business continuity requirements.
• Collaborate with enterprise architecture, cloud, application, and cybersecurity teams to align security controls with business objectives.

Firewall Engineering & Security Policy Management

• Design, deploy, and support next-generation firewall solutions.
• Manage firewall policy lifecycle including:
• Rule creation
• Access reviews
• Policy optimization
• Compliance validation
• Implement and maintain security controls for:
• Cloud environments
• DMZ networks
• Internet-facing applications
• Conduct firewall health checks and security posture reviews.
• Review and implement network security changes while ensuring adherence to security standards and change management processes.
• Investigate and remediate firewall-related incidents, vulnerabilities, and audit findings.