tcp-ip jobs in San Diego

Design, develop, integrate, and test embedded and real-time software systems primarily focused on cryptographic software, working with multi-disciplinary teams in an Agile environment. Requires proficiency in C/C++ and object-oriented programming, experience with low-level firmware integration in complex multi-threaded embedded applications, and familiarity with the formal software lifecycle from requirements through testing.…See more Must have an interim Secret clearance to start and the ability to obtain and maintain an active DoD Secret Clearance.

Design, engineer, configure, and sustain mission-critical networked systems for DoD customers, including Cisco (Catalyst, ISR, ASA/Firepower), Aruba (switching and wireless), Juniper (EX, QFX, SRX), and Cambium microwave solutions. Support end-to-end lifecycle from staging and integration through testing, fielding, and sustainment in NIWC labs, shore facilities, and data centers.…See more Implement secure network architectures aligned with Risk Management Framework (RMF) and Security Technical Implementation Guides (STIGs), perform system hardening and vulnerability remediation, and conduct site surveys and installations during frequent travel. Requires minimum 8 years of DoD or enterprise network engineering experience, DoD 8570/8140 baseline certification (Security+ minimum), and vendor certifications (JNCIA/CCNA or higher).

As a Network Engineer supporting Naval installations, you will design, configure, and sustain advanced networking infrastructure (Juniper, Aruba, Cisco) across shore facilities and data centers worldwide. You will engineer secure network architectures aligned with DoD Risk Management Framework and STIGs, perform system hardening and vulnerability remediation, and support end-to-end lifecycle operations from staging through fielding.…See more The role requires 8 years of hands-on network engineering experience, DoD Secret clearance, and DoD 8570 baseline certifications (Security+ CE minimum), with 50%+ travel to support CONUS and OCONUS operations.

Senior Staff Software Engineer owning end-to-end design, architecture, and delivery of a scalable AWS-based cloud platform integrating backend services, frontend applications, mobile clients, and IoT hardware. You'll make high-stakes architectural decisions independently, write production code across Node.js, React, React Native, Python, Rust, and C++, design infrastructure-as-code with AWS CDK, and work with PostgreSQL at depth.…See more Operating in a flat, autonomous team with no management hierarchy, you'll set engineering standards, drive technical direction, and operate critical systems from design through production support.

Security Operations Analyst role monitoring and triaging alerts across endpoint, cloud, identity, network, and SaaS using enterprise SIEM and XDR platforms. Responsibilities include investigating alerts, performing root-cause analysis, tuning detections, owning initial response for mid-tier incidents, participating in on-call rotation, running targeted threat hunts, and contributing to playbooks and post-incident reviews.…See more Requires 2–5 years of hands-on SecOps, SOC, or incident response experience; proficiency with enterprise SIEM query languages, EDR tooling, and scripting in Python/PowerShell/Bash; and solid understanding of MITRE ATT&CK and network fundamentals.

Senior Staff Software Engineer leading technical strategy and architecture for networking software solutions at Qualcomm. Requires 7+ years of embedded software, systems software, or device driver development experience with deep C programming expertise and Linux kernel internals knowledge.…See more Will own technical execution plans, lead cross-functional engineering teams, influence product direction, and mentor engineers while balancing performance, scalability, reliability, and long-term roadmap requirements.

The IT Support Services I associate will provide frontline technical support to employees and clients, diagnosing and resolving hardware, software, and network issues via phone, email, and ticketing systems. Responsibilities include installing and configuring operating systems and software, managing user accounts and Active Directory, troubleshooting network connectivity and VPN access, and escalating complex issues to senior engineers.…See more The role requires 2+ years of hands-on experience with Microsoft Networks, firewalls, TCP/IP, PowerShell, and endpoint security, along with strong communication skills and the ability to work independently under pressure.

Senior systems administrator responsible for providing technical guidance and coordination across infrastructure, security, and engineering teams in a mission-focused environment. Will mentor administrators and end users, document technical solutions, and lead issue resolution across Windows/Linux systems, virtualization, networking, and cloud platforms.…See more Requires extensive experience in enterprise/government IT infrastructure, system hardening, cybersecurity compliance (CMMC, DISA STIG), and strong communication with technical and non-technical stakeholders.

This Systems Administrator II role supports containerized and cloud-based infrastructure for a defense-focused technology company. The administrator will maintain system documentation, configuration records, software inventories, and license tracking while supporting both Windows and Linux environments, networking infrastructure, and cybersecurity hardening.…See more Required experience includes Linux command-line proficiency, system configuration and troubleshooting, networking protocols (TCP/IP, DNS, DHCP, VPNs, firewalls), and cybersecurity practices. Preferred qualifications include containerization technologies (Docker, Kubernetes), edge computing hardware, cloud platforms (AWS, Azure), shell scripting, and tactical systems support.

This entry-level role supports the build, assembly, configuration, and testing of C4ISR network and communication equipment racks for Navy production environments. The engineer performs hands-on technical tasks including rack assembly, cable fabrication, component installation, software loading, basic device configuration (VLANs, IP addressing, routing), and functional testing under senior engineer guidance.…See more The position requires foundational networking knowledge (TCP/IP, routing, switching, VLANs), basic experience with Cisco or Juniper devices, ability to read technical diagrams, and troubleshooting skills using tools like ping, traceroute, and Wireshark. Candidates should have an Associate's or Bachelor's degree in IT/Network Engineering or equivalent military technical training, plus 3–7 years of network engineering or IT support experience; CCNA, Network+, or Security+ certification is preferred.

Systems Engineer supporting U.S. Navy command and control programs, integrating maritime surveillance and C2 capability for partner nations.…See more Responsibilities span LAN/WAN networking, Windows and Linux server administration, VMware virtualization, system configuration and troubleshooting, requirements definition, interface specification, and test planning. The role bridges network infrastructure and C2 applications, requiring hands-on experience standing up and defending integrated systems from requirements through installation and site acceptance. Candidates should have 3–8 years of systems and network engineering on Navy C4I or comparable DoD command-and-control programs.

This Systems Administrator role supports Trulioo's IT infrastructure across global locations, managing Mac and PC endpoint provisioning and patching via Jamf and Intune, administering identity platforms (Google Workspace, Azure/Entra ID, OneLogin), and providing day-to-day SaaS platform support including email security (Mimecast) and basic network troubleshooting (Meraki). The role requires 2+ years of IT support or systems administration experience, hands-on familiarity with endpoint management and identity/access tools, and the ability to manage tickets, maintain documentation, and support new-hire onboarding across time zones.…See more The candidate will use AI tools to enhance efficiency and contribute to continuous process improvement.

Lead detection operations, incident response, and security operations maturation for a growing security team. Operate SIEM/XDR across endpoint, cloud, identity, network, and SaaS telemetry; conduct complex investigations; tune detections; and drive root-cause analysis and post-incident improvements.…See more Require 6+ years of hands-on security operations, detection engineering, or incident response experience with deep proficiency in SIEM/XDR query languages, EDR platforms, scripting (Python, PowerShell, Bash), and MITRE ATT&CK framework application. Mentor analysts, define playbooks and runbooks, lead threat hunts, and own SecOps metrics and operational-readiness reporting.

As a Network Engineer supporting Naval Information Warfare Center Pacific, you will engineer, configure, and sustain enterprise-grade networked systems (Juniper, Aruba, Cisco, Cambium) across Navy installations worldwide. You will manage the full system lifecycle from staging and integration through fielding and sustainment, implement secure network architectures aligned with RMF and STIGs, and deploy networks in labs, shore facilities, and field environments.…See more The role requires hands-on expertise in Layer 2/3 technologies, routing protocols, VPNs, wireless deployments, and vulnerability remediation, with 50%+ travel to support CONUS and OCONUS operations.

This cybersecurity engineer role focuses on securing cloud infrastructure (AWS, Azure, GCP), containerized environments (Docker, Kubernetes), and applications through vulnerability management, risk assessment, and security architecture review. The position requires hands-on experience with SIEM, EDR, WAF configuration, and embedding security scanning (SAST, DAST, SCA) into CI/CD pipelines.…See more The engineer will conduct threat modeling, manage IAM policies, perform penetration testing coordination, support incident response and post-incident reviews, and partner with engineering teams to balance security with delivery. The role also includes compliance support, vendor risk assessments, and serving in an on-call rotation for after-hours security incidents.

SQA Engineer II will plan, design, and execute system-level testing for each release cycle, reviewing requirements and designs to identify defects early. The role requires creating and maintaining C#-based test automation scripts, performing functional and regression testing on equipment, and analyzing defects in Jira with clear documentation and reproduction steps.…See more Responsibilities include collaborating with development teams to triage and verify fixes, extracting release data via SQL to generate quality metrics, and estimating testing effort based on scope and risk. The engineer will also mentor junior QA staff, propose process improvements, and use AI tools to enhance test planning and defect analysis.

SQA Engineer I will plan, design, document, and execute system-level testing for each release cycle, following Cohu's software development process and requirements. The role involves creating and maintaining C#-based test automation scripts, performing manual and automated testing on production-representative equipment, and identifying/documenting software defects in Jira with clear evidence and reproducible steps.…See more The engineer will collaborate with development teams to triage and verify fixes, extract and analyze release data using SQL, and communicate quality metrics and risk to stakeholders. Additionally, the role includes mentoring SQA Technicians, evaluating testing practices for improvement, and leveraging AI tools responsibly to enhance test efficiency.

Lead Senior Software Development Engineer for AWS EC2 VPC's packet pipeline, responsible for designing and optimizing ultra-high-performance kernel and embedded C systems processing millions of packets per second. You will mentor junior engineers, lead architecture decisions, conduct design and code reviews, and collaborate across teams to deliver SDN features for EC2 VPC instances.…See more The role requires deep expertise in C/C++, systems-level programming, low-level hardware optimization (including assembly and vectorization), and Linux kernel or embedded development. You must balance hands-on implementation with technical leadership, ensuring best practices and managing day-to-day development activities for a small team.

Network Engineer responsible for designing, configuring, and sustaining mission-critical networked systems including Cisco, Aruba, Juniper, Cambium, and Antaira equipment. The role spans end-to-end lifecycle activities: staging, integration, testing, fielding, and sustainment of networks in labs, shore facilities, and data centers.…See more Requires hands-on expertise in Layer 2/3 technologies, routing protocols (OSPF, BGP), VPNs, firewalls, and wireless deployments, with mandatory compliance to RMF and STIGs. Must hold or obtain a DoD Secret clearance and meet DoD 8570/8140 baseline certification (Security+, CISSP, CASP+, or higher) plus vendor certifications (JNCIA/CCNA or higher).

Develop and optimize low-level embedded firmware in C++ for avionics systems, flight controllers, and mission payloads, focusing on performance, reliability, and safety-critical applications. Port frameworks and applications to new RTOSes and hardware platforms, create Board Support Packages (BSPs), adapt Hardware Abstraction Layers (HALs), and develop peripheral drivers for interfaces like I2C, SPI, UART, and ADC.…See more Conduct unit and integration testing including fault injection and MISRA C compliance checks, diagnose cross-domain issues across electromechanical, software, networking, and RF subsystems, and collaborate with hardware teams to validate firmware incorporating secure boot, watchdogs, and fault-tolerant designs. Requires 5+ years embedded systems development, U.S. citizenship, ability to obtain DoD security clearance, strong Linux/Windows proficiency, and expertise in Python, Bash, Shell, and C/C++.

Specialist, Software Engineering role at L3Harris focused on designing, implementing, and integrating software components across embedded, application, and cloud environments for space and airborne defense systems. The engineer will work across the full software development lifecycle—from requirements analysis and architecture through deployment and sustainment—using C++ for low-level embedded work, troubleshooting deployed operational systems, and collaborating with cross-functional teams on hardware/software interfaces.…See more Day-to-day responsibilities include developing software solutions using multiple programming languages and operating systems, conducting code reviews, maintaining technical documentation, and supporting mission-critical systems in the defense and aerospace sectors.

This role is a hands-on cybersecurity engineer responsible for securing cloud infrastructure (AWS, Azure, GCP), containerized environments (Docker, Kubernetes), and applications. Key duties include vulnerability scanning and penetration testing, threat modeling, Web Application Firewall (WAF) deployment and tuning, CI/CD security integration (SAST, DAST, SCA), incident response, and compliance support.…See more The engineer will work closely with DevOps and application teams to embed security controls, conduct code and architecture reviews, and provide risk-based guidance. Required experience includes 3–5+ years in cybersecurity or security engineering, hands-on SIEM/EDR/vulnerability management tools, cloud platforms, WAF configuration, and scripting (Python, Bash, PowerShell).

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 a Network Engineer supporting Naval Information Warfare Center Pacific, you will engineer, configure, and sustain advanced networking equipment (Juniper, Aruba, Cisco) across Navy installations worldwide. You will design secure network architectures, implement RMF and STIG compliance, manage VLANs/routing/VPNs, support wireless deployments, and conduct site surveys and integration testing with 50%+ travel.…See more You must hold an active DoD Secret clearance, meet DoD 8570/8140 certification requirements (Security+ minimum), and have 8+ years of DoD or enterprise network engineering experience with hands-on expertise in Juniper, Aruba, and Cisco platforms.