osi-model jobs in San Diego

Cloudflare seeks a Senior Customer Engineer to serve major accounts in the Southwest, acting as a trusted technical advisor on enterprise network and security architectures. The role combines deep consultative skills with hands-on technical expertise across Internet fundamentals, security, performance, and developer platforms—translating complex technical concepts into business outcomes for both engineering teams and C-suite executives.…See more The engineer will demonstrate architectural breadth in at least four domains (OSI layers, BGP, WAF, Zero Trust, caching, AI/LLM workflows, scripting, or cloud-native development) and drive customer adoption through technical enablement, custom integrations, and solutions design. This is a quota-carrying, revenue-aligned customer-facing role requiring exceptional communication, SaaS business acumen, and the ability to navigate full-lifecycle enterprise sales cycles.

Senior Software Architect responsible for designing, managing, and defending large-scale classified software systems while leading development teams and ensuring architectural flexibility and maintainability. The role requires 12+ years of experience designing integrated classified systems, 10+ years leading development teams, and expertise in secure systems architecture, code quality analysis, and CI/CD pipelines.…See more Responsibilities include overseeing team training, participating in technical discussions, managing architectural changes, and performing systems architecture activities in support of Agile/SCRUM teams.

Sr. Systems Engineer supporting the Navy's Key Management project portfolio, responsible for leading system engineering, hardware, and software analysis to develop systems meeting customer requirements.…See more Will define and apply systems engineering processes, manage requirements (decomposition, allocation, verification, validation), develop system architecture and CONOPS, and produce comprehensive technical documentation including specifications, manuals, and design documents. Requires 8+ years of experience with model-based systems engineering, database management (MySQL, Oracle, SQL Server), Linux/UNIX, Agile methodologies, and DoD 8570-approved security certification. Will work at customer facilities up to 5 days/week, participating in customer meetings and technical interchange meetings.

This is a competitive summer internship program where students work in teams on real-world cybersecurity challenges for government and commercial clients. Interns must have foundational knowledge of cybersecurity, networking (OSI model), virtualization, Linux, and Windows systems, and will develop technical solutions under senior mentorship, culminating in a final presentation to leadership.…See more The role requires the ability to obtain a Secret clearance and is open to students scheduled to graduate with a Bachelor's degree in Technology, Engineering, or Mathematics by Winter 2027 or 2028.

Lead systems engineering analysis and architecture development for the Navy's Key Management project portfolio. Define and apply systems engineering processes, manage requirements through decomposition/allocation/verification/validation, and develop system architecture, CONOPS, and use cases.…See more Produce technical documentation including specifications, design documents, and user guides. Requires 8+ years of experience with model-based systems engineering, database management (MySQL, Oracle, SQL Server), operating systems (Linux, UNIX), Agile methodologies, and software design patterns.

Network Engineer II designs, maintains, and troubleshoots ICW Group's multi-vendor network infrastructure, including LAN, WAN, MPLS, SAN fabric switches, server load balancers, and VoIP systems. Provides 3rd tier technical support, works with security and project teams to mitigate network risks, and ensures compliance with ITIL and regulatory standards.…See more Requires a Bachelor's degree in Computer Science or related field, minimum 5 years of networking experience, CCNA or JNCIA certification (CCNP or JNCIS preferred), and hands-on expertise with Juniper networking devices, VMware virtualization, routing protocols, and firewall administration.

As an IT Support Engineer I, you will provide technical support and implement solutions for computer hardware, operating systems, and enterprise applications in a high-availability environment. You will troubleshoot and resolve IT infrastructure issues, manage local technical projects, and maintain corporate networking and computing systems.…See more The role requires hands-on experience with Windows Server technologies (AD, DFS, Print Services, SCCM), networking protocols (DNS, DHCP, TCP/IP, SSL), and multi-user environments. You will work across PC repair, deployment, network engineering, and systems administration while interacting with management and staff to improve IT solutions.

As an IT Support Engineer I, you will implement technical solutions and provide high-quality support for computer hardware, operating systems, and enterprise application software across Amazon's global operations. You will troubleshoot and resolve network, infrastructure, and computing system issues in multi-user, high-availability environments, ensuring production availability.…See more Responsibilities include network engineering, systems administration, managing technical projects, and identifying root causes of operational issues. The role requires hands-on experience with Windows Server, networking protocols, PC repair and deployment, and corporate IT service delivery.

The Network Specialist provides operational support for DoD Defense Health Agency LAN/WAN infrastructure at Naval Medical Center San Diego, including daily troubleshooting of core and edge switches, resolving network and routing protocol issues across all OSI layers, and supporting routing, switching, firewall, and cabling equipment. The role requires expertise in TCP/IP, routing protocols, firewall/VPN technologies, and hands-on maintenance of LAN/WAN systems.…See more Candidates must hold a Bachelor's degree in a technical discipline plus 3 years of experience (or equivalent vocational certification plus 8 years), an active Secret clearance or higher, and Security+ CE certification with current CCNA or equivalent.