Security Architect SIEM Engineer

VIVA USA Inc; United States; Remote; USD 140,000 - 210,000; Full time

Job summary

VIVA USA Inc. is seeking a Security Architect - Consultant - SIEM Engineer to design, implement and optimize Cortex XSIAM and Cortex XDR in a 24x7, multi-tenant SOC environment.

The contractor will lead detection engineering, automation and playbook development while supporting Cribl data pipelines and log ingestion across cloud and on‑premise sources. The role emphasizes hands‑on engineering, incident response and threat hunting, with on‑call rotation and remote work nationwide.

Qualifications

• Hands‑on Cortex XSIAM/XDR design, implementation and admin.
• Experience supporting multi‑tenant SOC operations and 24x7 SOC.
• Experience developing/detecting rules, analytics and threat hunting queries.
• Ability to create and manage complex playbooks.

Responsibilities

• Plan, design, deploy and support enterprise SIEM and XDR capabilities.
• Assist with log pipeline design, routing, parsing, normalization and ingestion.
• Develop automated response workflows and runbooks for incident handling.
• Support SOC analysts through platform troubleshooting and knowledge transfer.
• Monitor ingestion health, platform availability and alert quality.
• Ensure high availability, backup and change control for SIEM/XDR services.
• Collaborate with stakeholders to align solutions with security requirements.

Skills

Cortex XSIAM

Cortex XDR

Threat hunting

Playbooks

Python scripting

Bash scripting

Multi-tenant SOC

Incident response

Log pipelines

SIEM engineering

Education

Bachelor's degree in IT or Information Security

Eight years of relevant work experience may be substituted

Five years of experience in large IT environments

Tools

Palo Alto Cortex XSIAM

Palo Alto Cortex XDR

Cribl

Python

Bash

Job description

This position is 100% remote and will participate in a monthly on-call rotation supporting the 24x7 . After-hours maintenance, incident escalation support and operational handoffs may be required as needed. Open to nationwide resources.

The clientis looking for a Security Architect - Consultant - SIEM Engineer

SCOPE

This position will serve as a SIEM Engineer within the client. The successful candidate will show extensive experience successfully designing, implementing, maintaining and optimizing Palo Alto Cortex XSIAM and Cortex XDR in large-scale, multi-tenant security environments. This contractor will work with a large enterprise security team and a 24x7 Security Operations Center (SOC), assisting full-time security architects, engineers and analysts with the design, implementation, integration and continuous improvement of SIEM, XDR, detection and response capabilities supporting multiple client.

SUCCESSFUL CANDIDATE

This contractor will be primarily focused on Cortex XSIAM and Cortex XDR engineering, administration, detection content, automation and operational support while also providing important secondary support for Cribl data modeling, log pipeline design, parsing, normalization, enrichment and ingestion. The role requires hands-on experience supporting both security engineering and SOC operations, including multi-tenant onboarding, tenant-specific configurations, access controls, data separation, integrations, dashboards, reporting, incident response, threat hunting, playbooks, runbooks, standard operating procedures and analyst enablement. The candidate must be able to support strategic planning, solution design, implementation, troubleshooting, performance optimization and continuous improvement of secure systems and services.

DAILY DUTIES / RESPONSIBILITIES

• Primarily assist in the planning, design, deployment, administration and operational support of enterprise SIEM and XDR capabilities, including
  • Palo Alto Cortex XSIAM and Cortex XDR platform engineering, configuration, optimization and troubleshooting
  • Multi-tenant clientonboarding, tenant‑specific configuration, role‑based access, data segregation, dashboards and reporting
  • Detection engineering, correlation rules, analytics, threat‑hunting queries, watchlists, suppression logic and false‑positive reduction
• Secondarily assist in the planning, design, deployment and operational support of log management and security data pipelines, including
  • Cribl data modeling, log pipeline design, routing, parsing, normalization, enrichment, filtering, replay and ingestion
  • Onboarding and health monitoring of cloud, endpoint, network, identity, SaaS and custom application telemetry
  • Log volume, retention, performance and cost optimization while maintaining security and compliance requirements
  • Integrations with ticketing, case management, notification, identity, threat intelligence and other enterprise systems as needed
• Develop, test, deploy and maintain automated response workflows and playbooks for enrichment, triage, containment, escalation, notifications, case management and incident response.
• Create and maintain operational runbooks, standard operating procedures, escalation matrices, troubleshooting guides, architecture diagrams, data‑flow documentation, use‑case catalogs and analyst knowledge articles.
• Support Tier 1 through Tier 3 SOC analysts and incident responders through platform troubleshooting, detection tuning, threat hunting, technical escalation, knowledge transfer and shift handoffs.
• Monitor and report on ingestion health, platform availability, alert volumes, detection coverage, false positives, service levels, mean time to detect, mean time to respond and tenant‑specific operational metrics.
• Ensure high availability, resilience, backup, recovery, lifecycle management and controlled change processes for SIEM, XDR and supporting log pipeline services.
• Collaborate with security architects, engineers, analysts and clientstakeholders to align solutions with business goals, industry‑standard frameworks, regulatory requirements and organizational risk tolerance.

REQUIRED EXPERIENCE AND QUALIFICATIONS

• Hands‑on Palo Alto Cortex XSIAM and Cortex XDR design, implementation, administration and operational support.
• Experience engineering and supporting SIEM capabilities for multi‑tenant environments and 24x7 Security Operations Center operations.
• Experience developing and tuning detections, correlation rules, analytics, threat‑hunting queries, dashboards, reporting and alert suppression logic.
• Strong experience creating and managing complex playbooks.
• Cribl data modeling, log pipeline design, parsing, normalization, enrichment, routing and ingestion.
• Experience developing automation, integrations, playbooks and response workflows using scripting languages such as Python and Bash.
• Experience onboarding and troubleshooting telemetry from cloud, endpoint, network, identity, SaaS, Linux, Windows and custom application sources.
• Strong understanding of enterprise security architecture, incident response, networking, access control, secure system design and industry‑standard cybersecurity frameworks.
• Hands‑on experience operating Cortex XSIAM and Cortex XDR in a large, multi‑tenant environment.
• Hands‑on Cribl administration, data modeling and log pipeline optimization experience.
• Experience supporting Tier 1 through Tier 3 SOC analysts, threat hunting, incident response and 24x7 operational handoffs.
• Familiarity with industry‑standard security and compliance frameworks and experience developing playbooks, runbooks, procedures and technical documentation.
• Bachelor's degree in an Information Technology or Information Security related field.
• Eight years of relevant work experience may be substituted in lieu of education.
• Five years of experience in supporting large IT environments and/or system deployments.
• CISSP, Security+ or GIAC certification.
• Palo Alto Cortex, Cribl or other relevant SIEM/security platform cert.

Notes

This position is 100% remote and will participate in a monthly on-call rotation supporting the 24x7 . After-hours maintenance, incident escalation support and operational handoffs may be required as needed. Open to nationwide resources.

VIVA is an equal opportunity employer. All qualified applicants have an equal opportunity for placement, and all employees have an equal opportunity to develop on the job. This means that VIVA will not discriminate against any employee or qualified applicant on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status