Cybersecurity Engineer II

Lyntris•San Diego, CA

44d•Onsite

About The Position

This position requires an active U.S. national security clearance. The Cybersecurity Engineer II will plan, execute, and present National Security and Cybersecurity assessments, analyses, studies, and technical recommendations. They will design, engineer, integrate, test, and deploy cybersecurity and network defense solutions across complex DoD environments. Responsibilities include configuring, integrating, and troubleshooting Splunk Enterprise, Splunk Enterprise Security, SIEM, IDS/IPS, firewalls, vulnerability management tools, and network monitoring solutions. The role supports DoD Computer Network Defense (CND) requirements, boundary defense, vulnerability mitigation, remediation, and risk management activities. Integration of cybersecurity solutions across Windows, Linux/Unix, network infrastructure, servers, security appliances, APIs, and third-party platforms is key. The engineer will conduct network and security analysis using tools such as Wireshark, Tenable, Splunk, and network taps, and leverage automation, scripting, APIs, generative AI, and agentic coding to improve cybersecurity engineering processes. Coordination and support of vendor integration, testing, demonstrations, and fielding activities, including CONUS and OCONUS events, are also part of the role. Collaboration with government, vendors, engineering teams, and international stakeholders to resolve technical issues and achieve consensus is expected. The position involves developing technical documentation, test procedures, assessment reports, briefings, and customer presentations, and supporting cybersecurity activities throughout the acquisition, integration, testing, deployment, and sustainment lifecycle. Support for Foreign Military Sales (FMS) programs and international customer engagements is also required.

Requirements

Currently holds an active U.S. national security clearance or be able to receive and maintain one.
5–7+ years of relevant hands-on cybersecurity, network defense, systems engineering, or National Security experience.
Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, Cybersecurity, Network Engineering, or a related technical field.
Demonstrated experience with enterprise cybersecurity technologies and network defense architectures.
Hands-on experience with Splunk Enterprise and Splunk Enterprise Security.
Experience with enterprise IDS/IPS and firewall technologies.
Experience with vulnerability assessment and management tools such as Tenable Nessus/Tenable.sc.
Experience with Wireshark and network traffic analysis.
Experience integrating cybersecurity products across complex hardware/software environments.
Experience with APIs, scripting, automation, or software development.
Strong written, verbal, analytical, and presentation skills.
Ability to travel CONUS and OCONUS as required.
Must be a US Citizen.

Nice To Haves

CASP+ or CISSP certification, including candidates actively pursuing either certification.
Foreign Military Sales (FMS) program experience.
DoD Computer Network Defense experience.
Splunk Enterprise Security experience.
Palo Alto, Cisco Firepower, or Trellix NX experience.
Tenable Nessus/Tenable.sc experience.
Python, PowerShell, Bash, or other automation/programming experience.
Experience with REST APIs and cybersecurity tool integrations.
Experience supporting complex DoD acquisition programs.
Experience coordinating CONUS/OCONUS vendor integration and customer events.

Responsibilities

Plan, execute, and present National Security and Cybersecurity assessments, analyses, studies, and technical recommendations.
Design, engineer, integrate, test, and deploy cybersecurity and network defense solutions across complex DoD environments.
Configure, integrate, and troubleshoot Splunk Enterprise, Splunk Enterprise Security, SIEM, IDS/IPS, firewalls, vulnerability management tools, and network monitoring solutions.
Support DoD Computer Network Defense (CND) requirements, boundary defense, vulnerability mitigation, remediation, and risk management activities.
Integrate cybersecurity solutions across Windows, Linux/Unix, network infrastructure, servers, security appliances, APIs, and third-party platforms.
Conduct network and security analysis using tools such as Wireshark, Tenable, Splunk, and network taps.
Leverage automation, scripting, APIs, generative AI, and agentic coding to improve cybersecurity engineering, analysis, testing, and troubleshooting.
Coordinate and support vendor integration, testing, demonstrations, and fielding activities, including CONUS and OCONUS events.
Collaborate with government, vendors, engineering teams, and international stakeholders to resolve technical issues and achieve consensus.
Develop technical documentation, test procedures, assessment reports, briefings, and customer presentations.
Support cybersecurity activities throughout the acquisition, integration, testing, deployment, and sustainment lifecycle.
Support Foreign Military Sales (FMS) programs and international customer engagements as required.