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Zscaler · 1 day ago

Federal Incident Response Lead (Principal Information Security Engineer)

McLean, Virginia, USA

Full-time

Onsite

Lead/Staff

$161K/yr - $230K/yr

8+ years exp

Zscaler accelerates digital transformation, providing a cloud native Zero Trust Exchange platform to protect customers from cyberattacks. The Federal Incident Response Lead will establish and lead incident response operations within a dedicated DoD/DoW IL6 cloud environment, ensuring alignment with federal security practices and driving proactive threat hunting.

Cloud SecurityCyber SecurityEnterprise SoftwareSecurity

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Establish and mature an Incident Response (IR) program within a new, dedicated, classified DoD environment (primarily DoD IL6 with FedRAMP and DoD IL5 support)

Lead end-to-end incident response, including triage, containment, eradication, recovery, and post-incident lessons learned with rigorous documentation

Stand up and lead a formal threat hunting capability to proactively investigate and mitigate potential security threats in an IL6 environments

Partner with security platform engineering to operationalize and tune SIEM/SOAR (Splunk Enterprise Security) content and playbooks, define detection requirements and coverage gaps, and ensure alerts are actionable for rapid response

Collaborate with cross-functional teams to develop and refine IR playbooks, procedures, and automation aligned with DoD CC SRG and FedRAMP

Qualification

Incident Response LeadershipThreat HuntingSIEM/SOAR OperationalizationFedRAMP ComplianceNIST 800-53DoD CC SRGCloud SecurityCollaborationProblem SolvingAdaptabilityIntegrity

Required

US Citizenship and an active U.S. Secret Security Clearance (Top Secret preferred), with a willingness to participate in an on-call rotation (nights and weekends)

8+ years leading incident response and DFIR in DoD/classified environments, with proven incident command experience in 24/7 operations

Experience establishing IR programs and formal threat hunting functions in cloud-centric federal environments

Hands-on leadership operationalizing and tuning SIEM/SOAR (preferably Splunk Enterprise Security) content and playbooks

Practical application of FedRAMP Moderate/High, NIST 800-53, DoD CC SRG, RMF, and DISA STIGs to IR processes and tooling