Senior Information Security Engineer, Incident Response

Role Responsibilities
In this role, you will serve as a member of the Western Union Cyber Security – Incident Response Team.

• Create and maintain the incident response policy, procedure, and runbooks. This includes defining roles and responsibilities and outlining the steps to be taken in the event of a security incident.
• Analyze threat intelligence data to identify potential threats and vulnerabilities and provide guidance on how to address these threats.
• Proactively search and identify threats to an organization’s computer systems and networks.
• In the event of a security incident, lead the incident response team, coordinate with other teams and stakeholders and ensure that the incident is handled in a timely and efficient manner.
• Conduct investigations into security incidents, including collecting and analyzing evidence, identifying the root cause of the incident, and providing recommendations for preventing future incidents.
• Communicate with senior management and other stakeholders regarding security incidents by providing regular updates and the status of the incident.
• Provide training and education to other team members, as well as other employees in the organization, to help them better understand cybersecurity threats and how to prevent/detect/respond to them.

Role Requirements

• Bachelor’s degree in computer science, or other equivalent disciplines
• 6+ years of information security and/or application security experience
• Strong experience with incident response, forensics, and evidence preservation
• Strong experience with Windows and Linux operating systems
• Experience with various networks, DNS, web, VPN, and perimeter protection technologies
• Experience with vulnerability assessment tools such as Nessus, Qualys, Burp Suite, Nikto, Web Scarab, NMAP, MetaSploit, Backtrack, or similar commercial tools.
• Experience with web technologies (scripting, SSL, HTTP/S) and their security requirements
• Expert with SIEM, event correlation technologies
• Expert with EDR (Endpoint Detection and Response) and threat intelligence platforms
• Expert in TCP/IP, network packets analysis, firewall technology, IDS/IPS technology
• Expert in top security flaws and resolutions as listed by OWASP, SANS etc.
• Knowledge of threat hunting frameworks
• Knowledge of application and network security/penetration testing tools and methodologies
• Knowledge of secure application programming, code reviewing, and penetration testing web and mobile applications
• 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
• 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.

Work Shift

Western Union values in-person collaboration, problem solving, and ideation whenever possible. We believe this fosters common ways of working and supports how we execute initiatives for our customers. The expectation is to work from the office a minimum of three days a week.

Benefits

You will also have access to short-term incentives, multiple health insurance options, accident and life
insurance, and access to best-in-class development platforms, to name a few. Please see the benefits below specific to your country. If applicable, additional role-specific benefits will be mentioned during your interview process or in an offer of employment.

Your Costa Rica- specific benefits include:

• Asociación Solidarista
• In house company doctor services
• Transportation services options
• Referral Program award
• Employee Resource Groups (ERG) and committees to volunteer with
• Pan American Medical and Life insurance
• Cafeteria Discounts

For residents of Colorado, California, Connecticut, Delaware, Minnesota, and Pennsylvania: Please do not respond to any questions on this initial application that may seek age-identifying information such as age, date of birth, or dates of school attendance or graduation. You may also redact this information from any materials you submit during the application process. You will not be penalized for redacting or removing this information.

Other Details

As part of the application process, all applicants are required to take assessments. Western Union has partnered with a 3rd party provider to administer these tests. Applicants will need to provide their name and email address in order to process the assessments. If you have any questions, you may reach out to careers@westernunion.com.

We are passionate about honoring our employee's identity and fostering a feeling of belonging. Our commitment is to provide an inclusive culture that celebrates the unique backgrounds and perspectives of our global teams while reflecting the communities we serve. We do not discriminate based on race, color, national origin, religion, political affiliation, sex (including pregnancy), sexual orientation, gender identity, age, disability, marital status, or veteran status. The company will provide accommodation to applicants, including those with disabilities, during the recruitment process, following applicable laws.

#LI-GV1 #LI-Hybrid

Estimated Job Posting End Date:

01-30-2026

This application window is a good-faith estimate of the time that this posting will remain open. This posting will be promptly updated if the deadline is extended or the role is filled.