Job Description

Role: Network Security Engineer

Location: San Jose, CA-Onsite

Contract-6+ Months

Position Overview

We are seeking a highly skilled Network Security Engineer (L3)..

Key Responsibilities

• Serve as the primary L3 escalation point for complex network security incidents, providing deep-dive analysis and resolution beyond L1/L2 capabilities
• Lead proactive monitoring and event triage across customer-managed security infrastructure including firewalls, IDS/IPS, SIEM platforms, and endpoint security tools
• Perform root cause analysis (RCA) and develop permanent remediation strategies for recurring security incidents and vulnerabilities
• Manage and respond to security events related to malware, advanced persistent threats (APTs), DDoS, unauthorized access, and policy violations
• Administer and fine-tune security technologies including SIEM (Splunk, QRadar), Firewall (Palo Alto, Cisco ASA/Firepower, Fortinet), PAM, IAM, and Cloud Security tools
• Oversee vulnerability management lifecycle - from scanning and prioritization to remediation tracking and reporting
• Ensure SLA compliance for incident detection, response, and resolution across all managed accounts
• Develop and maintain SOPs, runbooks, and knowledge base articles to enhance team capability and consistency
• Participate in change management processes, reviewing and approving firewall rule changes, access requests, and security configuration updates
• Provide executive-level incident reports and briefings to client stakeholders and internal leadership as required
• Mentor and provide technical guidance to L1 and L2 engineers, supporting skill development and operational excellence
• Collaborate with client IT teams, vendors, and third-party security partners on security projects and initiatives

Required Qualifications

• 8+ years of hands-on experience in network security operations, SOC, or managed security services
• Deep expertise in firewall administration: Palo Alto Networks (PCNSE preferred), Cisco Firepower/ASA, Fortinet FortiGate, or Check Point
• Proficiency with SIEM platforms: Splunk (SPLK-1002/3002 preferred), IBM QRadar, or Microsoft Sentinel
• Strong understanding of network protocols: TCP/IP, BGP, OSPF, VLANs, VPNs (IPSec/SSL), DNS,
• Experience with vulnerability management tools: Tenable Nessus, Qualys, or Rapid7 InsightVM
• Familiarity with IAM and PAM solutions (CyberArk, BeyondTrust, Okta, Azure AD)
• Solid understanding of cloud security principles across AWS, Azure, or GCP environments
• Demonstrated experience working in an ITIL-based service delivery model with SLA accountability
• Strong analytical, troubleshooting, and documentation skills
• Ability to work in a 24x7 on-call rotation environment

Preferred Qualifications

• Industry certifications: CISSP, CISM, CEH, CCNP Security, PCNSE, or equivalent
• Experience supporting Fortune 500 or enterprise-scale managed security environments
• Exposure to Zero Trust architecture, SASE, or SD-WAN security frameworks
• Scripting/automation skills (Python, PowerShell, Bash) for security task automation
• Prior experience with ServiceNow for ITSM and incident management workflows

Experience supporting VIP/executive-level incidents with executive communication skills

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