> Markdown version of [/jobs/ext/3660203-cybersecurity-engineer-ii](https://www.wearedevelopers.com/jobs/ext/3660203-cybersecurity-engineer-ii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Cybersecurity Engineer II

- **Company:** Lyntris Inc
- **Location:** San Diego, CA, United States
- **Experience:** Expert
- **Salary:** $110,000.0 - $130,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Application Programming Interfaces (APIs), Systems Engineering, Bash Shell, Cyber Security, Computer Networks, Computer Engineering, Linux, Intrusion Detection Systems, Python (Programming Language), Network Security, Network Architecture, Network Forensics, Network Monitoring, Windows PowerShell, Security Information and Event Management, Software Engineering, Systems Integration, Wireshark, Software Vulnerability Management, Scripting, In-Plane Switching (IPS), Generative AI, Firewalls (Computer Science), Agentic-AI, Information Technology, Tenable Nessus, Firepower, Restful APIs, Splunk, Network Server, Cisco, Vulnerability Analysis
- **Published:** October 9, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9228642/cybersecurity-engineer-ii

## About the Role

* Currently holds an active U.S. national security clearance or be able to receive and maintain one. To learn more about the security clearance process please access this link
 * 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.

Desired Qualifications

 * 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.

Clearance Requirements

Some positions will require access to U.S. National Security information. Positions that require this access will be required to receive and maintain a U.S. government personnel security clearance (PCL). In order to qualify for this position, the candidate must be a US Citizen and either currently possess this National Security eligibility or be able to complete the investigation application process with a favorable determination and maintain that eligibility throughout their employment. To learn more about the security clearance process please access this link .

## Description

* 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.