TestingXperts

Design and support secure, scalable enterprise and cloud network solutions including SD-WAN, cloud connectivity, and security technologies. | Over 12 years of experience in network architecture or senior engineering roles with knowledge of routing, switching, SD-WAN, cloud networking, and enterprise security solutions. | Role: Network Architect Location: Remote Position Summary We are seeking an experienced Network Architect to design and support secure, scalable network solutions across our enterprise and cloud environments. This role will focus on SD-WAN, cloud networking, network security, and modern access technologies. The ideal candidate has hands-on experience with leading vendor platforms such as Cisco ISE, Juniper SRX, Juniper Mist, Cisco/Meraki, Palo Alto, and Cisco SASE or Zscaler. Key Responsibilities • Design and implement enterprise network architectures including WAN/SD-WAN, LAN/WLAN, and cloud networking. • Build secure connectivity solutions for cloud environments (AWS VPCs and related services). • Deploy and support firewall and security technologies (Palo Alto, Juniper SRX, cloud firewalls). • Manage identity-based access and network security policies using Cisco ISE and Zero Trust principles. • Partner with security, cloud, and infrastructure teams on architecture, standards, and project delivery. • Create documentation, diagrams, and network design standards. Required Skills & Experience • 12+ years in network architecture or senior network engineering roles. • Strong knowledge of routing, switching, SD-WAN, and cloud networking (AWS preferred). • Experience with enterprise firewalls (Palo Alto, Juniper SRX) and NAC solutions (Cisco ISE). • Familiarity with SASE platforms (Cisco SASE or Zscaler). • Experience with Juniper Mist wireless and switching environments is a plus. • Strong communication, documentation, and cross-team collaboration skills. Preferred Certifications • CCNP/CCIE, JNCIP/JNCIE, PCNSE, or similar networking/security certifications. • AWS networking certifications are a plus.

Design and maintain embedded Linux network security components including TCP/IP stack and multi-threaded applications, integrating RESTful APIs and enterprise systems. | Strong C/C++ programming, embedded Linux/Unix experience, deep networking protocol knowledge, multi-threading skills, and integration with LDAP, SNMP, and RESTful services. | Role Senior Software Engineer Network Security & Embedded Systems Location USA (Remote) Key Responsibilities • Design, develop, and maintain core components of SonicOS using C/C++ on embedded Linux/Unix platforms. • Implement and optimize multi-threaded applications for real-time network and security processing. • Develop and maintain TCP/IP stack components and network protocol implementations. • Collaborate with UI/UX teams to build and enhance Java-based web interfaces and management consoles. • Integrate RESTful APIs and third-party services for system management and monitoring. • Ensure seamless integration with enterprise systems including LDAP, Active Directory, and SNMP v2/v3. • Work closely with QA and DevOps teams to ensure high-quality releases and CI/CD practices. Required Skills & Experience • Programming Languages: Strong proficiency in C/C++. • Operating Systems: Hands-on experience with Linux/Unix system programming and embedded development. • Networking: Deep understanding of TCP/IP stack, routing, switching, and network security protocols. • Concurrency: Proven experience with multi-threaded programming and synchronization techniques. • Integration Technologies: • RESTful web services • JSON/XML data formats • SNMP v2/v3 • LDAP/Active Directory • Third-party API integration Preferred Qualifications • Experience with firewall, VPN, or other network security products. • Familiarity with Agile development methodologies. • Knowledge of containerization (Docker) and virtualization technologies. • Strong debugging and performance tuning skills.