Senior Information Security Engineer

Western Union

Senior Information Security Engineer performing intrusion analysis and leading incident response efforts with Western Union. Supporting Cyber Fusion Center and collaborating across security teams.

Posted 6/26/2026full-timeDenver • Colorado, Texas • 🇺🇸 United StatesSenior💰 $165,000 - $185,000 per yearWebsite

Tech Stack

Tools & technologies

CloudCyber SecurityFirewalls

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

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.
Experience with AI, generative and agentic, preferred
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.

Benefits

Comp & perks

Paid Time off
Medical, Dental and Life Insurance
Parental Leave
Global Adoption Assistance
4% Western Union Contribution to 401K

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

intrusion analysisroot cause analysisincident responsethreat huntingforensic analysisautomationSIEMEDRweb application securitynetwork architecture

Soft Skills

collaborationcommunicationleadershiptechnical guidanceproblem-solvingescalation managementteamworkadaptabilityincident managementstakeholder engagement