ActioNet, Inc. · 12 hours ago
Firewall Engineer
Arlington, VA
Full-time
Onsite
Mid Level
4+ years expActioNet is a dynamic IT Services Firm that specializes in Enterprise Software Development. They are seeking an experienced Firewall Engineer responsible for securing, modernizing, and expanding complex enterprise network environments.
AssociationConsultingCRMGovernmentInformation ServicesInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Serve as the lead engineer for enterprise firewall platforms including Forcepoint, Cisco FTD, Cisco ASA, and VMware NSX-T, ensuring secure and reliable traffic flow across multiple network zones
Review, validate, and implement Firewall Change Requests (FWCRs) for rule creation, modification, and deletion while maintaining accurate change records, configuration baselines, and audit documentation
Audit firewall rules, logs, and configurations to identify security gaps, policy drift, anomalous traffic, or performance issues, and escalate incidents to security leadership as required
Troubleshoot complex network connectivity and security issues using packet analysis and traffic inspection techniques to determine root cause and corrective action
Maintain firewall backups, log retention, and recovery procedures in alignment with organizational security and compliance requirements
Support security-driven projects and initiatives by designing firewall policies and architectures that align with evolving business and risk management needs
Plan and support new initiatives while expanding and modernizing existing network infrastructure in a secure and scalable manner
Analyze diverse network environments to identify opportunities for performance optimization, modernization, and security enhancement
Provide technical solutions for traffic congestion, infrastructure upgrades, latency issues, and routine network troubleshooting
Deploy, operate, maintain, and troubleshoot physical and virtual network infrastructure including routers, switches, and network monitoring platforms
Integrate multiple network transport technologies to support reliable wide-area and site-to-site connectivity, including terrestrial, wireless, and alternative transport methods
Develop clear technical documentation, network diagrams, configuration guides, and operational procedures to support network and firewall environments
Document solutions, architectural designs, and innovative workarounds for both existing deployments and future initiatives
Install hardware and software as required, perform system backups, and continuously monitor network and system performance to ensure availability and stability
Deploy, configure, maintain, update, and troubleshoot virtual network infrastructure environments and administrator workstations
Administer and support network services including directory services, DNS, email systems, and related infrastructure components
Design, deploy, and maintain wired and wireless networks to support both fixed-site and mobile operational requirements
Qualification
Required
Active TOP SECRET Clearance
Advanced network training with at least four years of hands-on network engineering experience
Demonstrated expertise in TCP/IP analysis and packet-level troubleshooting using packet analyzers
Experience with system administration on Microsoft Windows and/or Linux platforms
Experience with VMware virtualization technologies
Preferred
Advanced packet analysis certification or equivalent experience
Cisco professional- or design-level networking certification, Cisco Certified Network Associate (CCNA)
VMware associate or specialty certification
Certification in a network operating system such as Windows Server or Linux
SolarWinds Server and Application Monitor experience or certification
Experience with scripting or automation using PowerShell, Linux shell, or similar languages
Experience with complex wide-area network architectures and alternative transport technologies
Experience with network instrumentation, data collection, and performance analysis
Experience designing or implementing modeling, testing, or simulation tools
Company
ActioNet, Inc.
ActioNet, Inc., headquartered in Vienna, Virginia, is a CMMI®-DEV Level 4, CMMI®-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Cloud-based Solutions, Cyber Security and Agile Software Engineering.
1001-5000 employees
Funding
Current Stage
Late StageLeadership Team
Ashley Chen
Founder & CEO
Recent News
Washington Technology
2025-12-12
Company data provided by crunchbase