Senior Security Architect - 100% Onsite

  • Santa Ana, CA
  • Posted 21 hours ago | Updated moments ago

Overview

On Site
Depends on Experience
Contract - W2
Contract - 18 Month(s)
No Travel Required

Skills

7-10 years of combined network engineering and cybersecurity experience
SIEM
O365 Security Architecture and policy administration
Cisco networking
Network monitoring
Palo Alto technologies including EDR and XSOAR
Cloud
Entra ID
Cisco ISE
Hands-on Incident Response

Job Details

Great long term contract opportunity for a Senior Security Architect. This position is 100% onsite.

RESPONSIBILITIES:

Security, Compliance, and Audit Readiness

  • Enforce network security controls aligned with National Institute of Standards and Technology ( NIST ), and department policy.
  • Implement and maintain firewall rulesets, Network Access Control ( NAC ) solutions (e.g., Cisco Identity Service Engine ( ISE )), and endpoint access policies.
  • Support the cybersecurity team in incident detection, forensic analysis, and mitigation strategies.
  • Provide documentation and evidence for security audits and compliance reviews.

Implementation, Operations, and Support

  • Serve as the hands-on engineer for network deployment, upgrades, and incident response.
  • Configure and manage Cisco switches, routers, firewalls, WLCs, and wireless endpoints.
  • Design and manage VPNs, QoS, ACLs, network monitoring, and logging systems (SolarWinds, NetFlow, SNMP).
  • Strong technical and leadership experience in cybersecurity, with hands-on expertise in Incident Response, SIEM technologies, O365 Security Architecture and policy administration, and SIEM engineering.

Leadership and Staff Development

  • Serve as the department s SME on enterprise security, guiding decisions across IT, public safety systems, and operations.
  • Train, coach, and mentor internal IT staff, including junior and mid-level network technicians.
  • Lead structured knowledge transfer sessions, hands-on training, and real-time coaching during support and implementation activities.
  • Create SOPs, how-to guides, and step-by-step documentation tailored for ongoing use by internal staff.
  • Support staff in preparation for certification paths (e.g., CCNA/CCNP) if desired.

TECHNICAL REQUIREMENTS:

  • Strong technical and leadership experience in cybersecurity, with hands-on expertise in Incident Response, SIEM technologies, O365 Security Architecture and policy administration, and SIEM engineering.
  • Cisco networking (switches, routers, firewalls, WLCs, VPNs)
  • Security and compliance (CJIS, NIST, NAC, incident response, audit readiness)
  • Network monitoring & management (SolarWinds, NetFlow, SNMP, ACLs, QoS)
  • Leadership and mentoring (SME guidance, staff training, documentation)

Core technologies desired:

  • Palo Alto Technologies (Deep technical knowledge, certification)
    Palo Alto Panorama
  • Palo Alto Cortex EDR
  • Palo Alto Cortex XSOAR
  • Palo Alto Prisma Cloud Service
  • Palo Alto NGFW
  • CyberArk
  • Cisco ISE
  • AWS, Azure
  • Azure Entra ID
  • ServiceNow
  • Tenable Vulnerability Management
  • Terraform
  • Microsoft O365

Nice-to-Have Skillsets:

  • Advanced experience with CJIS/NIST compliance, endpoint access management, and security audits.
  • Proficiency with Cisco WLCs, VPNs, QoS, ACLs, and network monitoring tools (SolarWinds, NetFlow, SNMP).
  • SME experience in enterprise security, public safety, or government networks.
  • Experience creating SOPs, training programs, and mentoring IT staff toward certifications (CCNA/CCNP).
  • Strong communication skills and ability to proactively identify and mitigate network/security risks.

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