Senior Information Security Engineer

Western Union•Denver, CO

3d•Hybrid

About The Position

The Senior Information Security Engineer will perform intrusion scope and root cause analysis, assist in containment and remediation actions, and serve as an escalation point for Cyber Fusion Center analysts. This role supports Purple Team engagements as a subject matter expert, conducts proactive Threat Hunting exercises based on relevant threat intelligence, and works collaboratively with other Security Operations teams to drive Incident Response/Threat Hunting and overall program maturity. The engineer will also conduct legal holds/forensic analysis across multiple operating systems as required, serve as a Subject Matter Expert in Incident Response, guide technical and non-technical teams through the Incident Response lifecycle, and drive containment, remediation, and lessons learned management. This position serves as the technical lead during Incident Response engagements and will brief the Cybersecurity Leadership team throughout incidents.

Requirements

Bachelor’s degree in Information Technology, Cybersecurity, Computer Science preferred
7+ years of technology, information security and/or application security experience
Expert in top security flaws and resolutions as listed by OWASP, SANS etc.
Strong experience with automation, automated runbooks, and ability to support the automation of high fidelity processes.
Expert with SIEM, EDR, and other event correlation technologies.
Strong experience across multiple Operating Systems
Knowledge of modern web and mobile applications frameworks and their security requirements
Knowledge of network architecture, protocols, and standards
Knowledge of Web Application Firewalls, SSL/TLS, Forward and reverse proxies
Knowledge of security considerations around virtualization and cloud applications
Experience with incident response, forensics and evidence preservation
Ability to communicate technical security requirements to technical and non-technical personnel
Ability to collaborate with technical and vendor personnel, cloud service providers
Available off-hours/on-call to handle occasional incidents and escalations
Applicants must be currently authorized to work in the United States on a full-time basis. Western Union will not sponsor applicants for work visas for this position.

Nice To Haves

Experience with AI, generative and agentic, preferred

Responsibilities

Performs intrusion scope and root cause analysis
Assists in containment and remediation actions
Serves as an escalation point for Cyber Fusion Center analysts
Supports Purple Team engagements as a subject matter expert
Conducts proactive Threat Hunting exercises based on relevant threat intelligence
Works collaboratively with members from other Security Operations teams to drive Incident Response/Threat Hunting and overall program maturity
Conducts legal holds/forensic analysis across multiple operating systems as required
Serves as a Subject Matter Expert in Incident Response, guides technical and non-technical teams through the Incident Response lifecycle while driving containment, remediation, and lessons learned management.
Serves as the technical lead during Incident Response engagements.
Briefs Cybersecurity Leadership team throughout incidents.