Security Web Application Firewall (WAF) Engineer

Job Description:

About DXC

DXC helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures and ensuring security and scalability across public, private and hybrid clouds. The world's largest companies and public sector organizations trust DXC to deploy services to drive new levels of performance, competitiveness, and customer experience across their IT estates. Our more than 125,000 people in 70-plus countries are entrusted by our customers to deliver transformative technologies to ensure the success, safety and well-being of businesses and people around the world. By combining strengths and expertise globally, we create solutions and deliver greater outcomes for customers across their entire IT estate. Learn more at DXC.com.

About the Role

We are seeking a highly skilled Firewall Security Engineer to join our Security team in Mexico. The successful candidate will be responsible for designing, implementing, administering, and optimizing firewall and network security solutions that protect critical enterprise environments. This role requires hands-on expertise across next-generation firewall technologies, zero-trust architectures, microsegmentation, web application security, and secure remote access platforms.

The ideal candidate is passionate about cybersecurity, has strong troubleshooting capabilities, and can collaborate effectively with global teams while communicating fluently in both English and Spanish.

Essential Job Functions

• Design, deploy, configure, and maintain enterprise firewall infrastructures, including Cisco ASA, Palo Alto Networks, Fortinet, and Check Point solutions.
• Monitor firewall performance, security events, and audit logs to identify, investigate, and respond to security incidents.
• Implement and maintain firewall rules, security policies, and access control lists (ACLs) in accordance with organizational and customer requirements.
• Support deployment, administration, tuning, and maintenance of Prisma Access solutions to enable secure remote connectivity through zero-trust access controls and user-based security policies.
• Implement and manage Akamai Guardicore microsegmentation solutions to strengthen network segmentation and reduce lateral movement risks.
• Administer, optimize, and maintain Web Application Firewall (WAF) technologies such as Cloudflare, Imperva, or similar platforms to protect web applications against application-layer threats and unauthorized access.
• Perform firewall rule reviews, recertification activities, compliance assessments, and security audits.
• Collaborate with network, security, cloud, and infrastructure teams to integrate security controls into enterprise environments.
• Troubleshoot and resolve firewall, connectivity, VPN, segmentation, and application security issues while minimizing business impact.
• Participate in incident response, root cause analysis, and disaster recovery planning activities.
• Maintain accurate documentation of security configurations, architecture diagrams, operational procedures, and change records.
• Stay current with emerging cybersecurity threats, firewall technologies, and industry best practices, recommending continuous improvements.

Basic Qualifications

• Experience administering Web Application Firewalls (WAF), such as Cloudflare, Imperva, F5, or equivalent technologies.
• Proven experience as a Firewall Engineer, Network Security Engineer, or Cybersecurity Engineer.
• Strong hands-on expertise with one or more of the following platforms:
  • Palo Alto Networks
  • Cisco ASA / Firepower
  • Fortinet FortiGate
  • Check Point
• Experience managing VPN technologies, IDS/IPS solutions, and core networking protocols, including TCP/IP, DNS, HTTP/HTTPS, and routing concepts.
• Experience supporting Zero Trust Network Access (ZTNA) and secure remote access solutions.
• Experience implementing and managing microsegmentation solutions, preferably Akamai Guardicore.
• Ability to analyze security logs, investigate alerts, and perform security troubleshooting activities.
• Professional proficiency in English and Spanish.

Other Qualifications

• Knowledge of security frameworks and standards such as ISO 27001, NIST, PCI-DSS, CIS Controls, or similar.
• Experience working in enterprise, managed security services, or global customer environments.
• Security certifications are highly desirable, including:
  • CISSP
  • CCNP Security
  • Palo Alto PCNSE
  • Fortinet NSE
  • Check Point CCSA/CCSE
• Strong analytical, problem-solving, and decision-making abilities.
• Excellent communication, stakeholder management, and documentation skills.
• Experience supporting cloud security environments is considered a plus.

Why DXC? / Life at DXC

DXC is an employer of choice with strong values and fosters a culture of inclusion, belonging, and corporate citizenship. We inspire and take care of our people. We work to create a culture of learning, diversity, and inclusion and are dedicated to strong ethics and corporate citizenship. DXC is where talented professionals seize opportunities to advance their careers and amplify customer success. Full-time hires are eligible to participate in DXC's comprehensive and competitive benefit programs.

Additional Information

DXC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, age, or any other protected characteristic under applicable law. DXC is committed to fostering an inclusive workplace where everyone can thrive. Recruitment fraud awareness, accommodation information, compensation practices, and other applicant notices apply in accordance with DXC policies and local legal requirements.

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.

Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available here.