network-traffic-analysis jobs in San Diego

Serve as an independent, third-party cybersecurity assessor and RMF (Risk Management Framework) team lead for Navy systems under the NSWC Corona CCAM contract. Execute comprehensive security assessments of IT, PIT, and OT systems against DoD and NAVSEA standards; validate NIST 800-53 control implementations; analyze vulnerability data and STIG compliance; generate Security Assessment Reports and Risk Assessment Reports; and provide mentorship to ISSMs and ISSOs.…See more Requires NQV Level III certification, active TS/SCI clearance, seven years of cybersecurity experience with four years in RMF assessments, and DoD 8570 IAM Level II/III baseline certification.

Senior Principal Cybersecurity Engineer supporting DoD Navy communication systems, responsible for planning and executing penetration tests, performing network traffic analysis, architecting hardened IT systems in classified environments, and conducting vulnerability assessments aligned with DISA STIGs and DoD standards. Requires 14+ years of experience (or 12+ with master's degree), with 5–7 years in hands-on cybersecurity engineering and 5+ years designing/implementing hardened systems in classified settings.…See more Must hold an active Top Secret clearance and be able to obtain TS/SCI.

SAIC seeks a Principal Cybersecurity Engineer to perform penetration testing, vulnerability assessments, and security architecture work on classified Navy communication systems. The role requires hands-on expertise in network traffic analysis (Wireshark), hardened IT systems design, DoD/IC security frameworks (NIST RMF, DISA STIG), and offensive security techniques against DoD/IC infrastructure.…See more Candidates must have 9+ years total experience (5–7 years in cybersecurity engineering, 5+ in classified/high-security environments), proven red-team capabilities, and an active Top Secret clearance with ability to obtain TS/SCI.

The Cybersecurity Engineer II will design, engineer, and deploy cybersecurity and network defense solutions across complex DoD environments, with hands-on responsibility for SIEM, IDS/IPS, firewalls, and vulnerability management platforms. The role involves configuring Splunk Enterprise, conducting network and security analysis with tools like Wireshark and Tenable, and leveraging automation and APIs to improve security operations.…See more The engineer will support DoD Computer Network Defense requirements, integrate solutions across Windows, Linux, and network infrastructure, and collaborate with government and vendor teams throughout acquisition, testing, and deployment. The position requires 5–7+ years of hands-on cybersecurity and network defense experience, a Bachelor's degree in a related technical field, and an active U.S. national security clearance.

SAIC seeks a Principal Cybersecurity Engineer to design, implement, and maintain secure identity, cryptographic, and network infrastructure for classified Navy DoD systems. The role involves planning and executing penetration tests and red team exercises against classified systems, performing network traffic analysis with Wireshark, architecting air-gap systems and data diodes, hardening IT and virtualized environments, and conducting vulnerability assessments aligned with DISA STIGs and DoD standards.…See more Required: 9+ years cybersecurity engineering, 5+ years hands-on experience in classified/high-security environments, proven penetration testing and red team experience, and deep knowledge of DoD/IC security frameworks (NIST RMF, DISA STIG, DoD CC SRG). Must hold an active TS/SCI clearance and be a U.S. citizen.

This Cybersecurity Engineer II role involves designing, engineering, integrating, testing, and deploying cybersecurity and network defense solutions across complex DoD environments. The position requires planning and executing National Security and Cybersecurity assessments, configuring enterprise tools such as Splunk Enterprise, IDS/IPS, firewalls, and vulnerability management platforms, and conducting network and security analysis using tools like Wireshark and Tenable.…See more The engineer will leverage automation, scripting, APIs, and generative AI to improve cybersecurity operations while supporting the full acquisition, integration, deployment, and sustainment lifecycle for DoD Computer Network Defense requirements.