# Network Security Engineer

**Company:** [Lightning AI](https://hotfix.jobs/companies/lightning-ai)
**Location:** San Francisco, CA, Seattle, WA
**Role:** Security Engineering
**Salary:** $180k – $220k/yr
**Skills:** Palo Alto, Cisco Asa, Fortinet, Ids/Ips, Vpns, Sd-Wan, Cloud Security, SIEM, Splunk, Qradar, Nessus, Qualys, Cissp, Ceh, Ccnp Security
**Posted:** 2026-05-01

> Designs and implements network security architectures using firewalls, VPNs, and IDS/IPS. Conducts vulnerability assessments, monitors threats with SIEM tools, ensures compliance, and automates security responses. Requires expertise in security tools and certifications like CISSP.

## Job Description

## What You'll Do

- **Network Security Design & Implementation**: Architect robust network infrastructures, leveraging firewalls, VPNs, IDS/IPS, and network segmentation to enhance security.
- **Threat Prevention & Risk Mitigation**: Conduct comprehensive vulnerability assessments and penetration tests, ensuring robust security policies and access controls.
- **Monitoring & Incident Response**: Utilize SIEM tools for proactive threat detection and collaborate with SOC teams for incident response and breach investigation.
- **Compliance & Security Governance**: Ensure compliance with industry standards and regulatory requirements, maintaining thorough security documentation.
- **Security Automation & Optimization**: Implement and optimize automation tools for threat detection and response, while staying abreast of emerging security technologies.

## What You'll Need

- **Technical Expertise** in firewalls (e.g., Palo Alto, Cisco ASA, Fortinet), IDS/IPS, VPNs, SD-WAN, cloud security, and encryption.
- **Proficiency with Security Tools**: Experience with SIEM (e.g., Splunk, QRadar), vulnerability scanners (e.g., Nessus, Qualys), and endpoint security solutions.
- **Relevant Certifications**, such as CCNP Security, CEH, CISSP, and GIAC Certifications (GSEC, GCIH, GPEN).
- **A Passion for Security**: A proactive approach to learning about new security technologies and threats.

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