Network Security EngineerFort Collins, CO (Hybrid) Type: Contract (C2C) Interview Mode: VirtualSeeking a senior Network Security Engineer to lead firewall modernization, VPN transformation, zero-trust implementation, and enterprise vulnerability management across enterprise lab environments. This role supports secure, scalable, and compliant next-generation infrastructure platforms.Core Responsibilities:Firewall & Network Security ArchitectureConfigure and optimize enterprise firewall platforms (physical and virtual)Design rule sets, traffic policies, and network segmentationImplement micro-segmentation and zero-trust architectureAlign firewall policies with modern security frameworksVPN & Secure Access TransformationReplace legacy OpenVPN environments with OKTA/Atmos-based VPN solutionsBuild and manage Atmos connectorsImplement secure authentication workflowsDesign secure routing and hybrid access policiesVulnerability ManagementDesign and implement enterprise vulnerability scanning programsDeploy and manage tools such as Nessus or GreenboneConfigure scan schedules and tune scan noiseDeliver actionable security reportsDrive remediation workflows with engineering teamsSecurity Segmentation & ComplianceDesign security-driven network segmentation strategiesEnforce access controls aligned to compliance and corporate standardsPartner with corporate security teams on policy implementationLinux & Security AutomationDeploy Linux-based security tooling platformsAutomate scanning, reporting, and remediation workflowsScript security processes and integrationsRequired Skills:Enterprise firewall configuration and optimizationVPN technologies and secure remote access solutionsZero-trust and micro-segmentation principlesVulnerability scanning tools (Nessus, Greenbone, or similar)Security compliance scanning and remediationLinux system administration and automationNice to Have:OKTA integrations and identity-based access systemsSIEM and security monitoring platformsAutomation frameworks and API integrationsFlexible work from home options available.Compensation: $50.00 - $60.00 per hour