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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Engineer - **Company:** General Dynamics Information Technology - **Location:** Rockville, MD, United States - **Experience:** Expert - **Salary:** $111,350.0 - $150,650.0 - **Contract:** Temporary contract - **Skills:** User Authentication, Authentication Protocols, Microsoft Azure, Cisco PIX, Complex Networks, Computer Networks, Identity and Access Management, Networking Hardware, Internet Protocol Security (IP SEC), IPv4, IPv6, Virtual Private Networks (VPN), Network Security, Lightweight Directory Access Protocols (LDAP), Pcap, Network Architecture, Network Monitoring, Routing, Remote Access Technology, RSA (Cryptosystem), Wireshark, Software Vulnerability Management, Wide Area Networks, Network Routers, Identity Services Engine, Computer Network Operations, System Availability, Grafana, Firewalls (Computer Science), SolarWinds (Software), RSA SecurID, Firepower, Cisco Switches, Cisco - **Published:** September 9, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3387058999&tx=FK8986FFR&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role Network Engineering,RSA SecurID,VPN Troubleshooting,Zscaler Experience: 8 + years of related experience, * Bachelor's degree or equivalent combination of education and experience. * 8+ years' experience in network engineering, as described below * Experience supporting federal or enterprise-level IT environments * Strong problem-solving, communication, and organizational skills TECHNICAL REQUIREMENTS : * Strong experience in network engineering and architecture (LAN/WAN, routing/switching, firewalls, Zscaler ) * Hands-on experience with RSA SecurID / RSA Authentication Manager and network authentication protocols (RADIUS, LDAP) * Expert with Cisco switches network software upgrades * Troubleshoot complex network issues (Expert) * Vulnerability Remediation Process * Update technical documentation, maintaining & implementation of the SOP for network security (A Must) * Cisco IPsec VPN troubleshooting * Cisco Identity Services Engine (ISE) * SolarWinds automation scripts * Cisco ASA Firewall 5500 / Firepower (A Must) * Palo Alto Firewalls Panorama * Azure experience with NSGs (Networking) * Analyzing PCAP Files using Wireshark * Change Management Process * TLS certificates renewals and installs * Troubleshooting using Riverbed, Grafana or Cribl, and other tools as available * Must be willing to work after hours and weekends during maintenance windows (onsite) as-needed (A Must) - approximately every 9 weeks, Ability to obtain a Public Trust: candidate must have lived in the United States at least three (3) out of the last five (5) years and pass a public trust background investigation. ## Description The Senior Network Engineer will support Health Resources & Services Administration (HRSA) projects by providing hands-on expertise in the design, implementation, and management of enterprise network infrastructure. This role works closely with Project Managers and cross-functional teams to deliver complex initiatives, ensuring high availability, security, and performance of network systems., * Design, plan, implement, and maintain of enterprise LAN/WAN, Zscaler , and network security infrastructure * Configure and manage routers, switches, firewalls, and remote access systems in support of secure and scalable network operations * Implement and support RSA SecurID / RSA Authentication Manager solutions, including integration with VPNs, RADIUS, and enterprise authentication systems * Design, implement, and troubleshoot IPv4 and IPv6 network architectures, ensuring seamless integration and scalability across environments * Provides innovative methods and technical solutions using the engineering design process. * Collaborate closely with Project Managers, engineers, and stakeholders to deliver complex network projects on time and within scope * Analyze customer and business requirements to develop technical solutions for complex networking challenges * Ensure network integrity, security, and compliance with federal and organizational policies, including backup and recovery capabilities * Monitor network performance using industry-leading tools, proactively identifying and resolving issues * Plan and execute network upgrades, enhancements, and technology refresh initiatives * Evaluate and recommend emerging technologies to improve network performance, security, and scalability * Coordinate procurement of network hardware, software, and vendor/subcontractor services as needed * Develop and maintain network documentation, diagrams, and standard operating procedures.