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DXC Technology

Global IT services for enterprise modernization

Firewall Operator

Security Engineering & ArchitectureConfirmed live in the last 24 hours
Full-timeSantiago, Santiago Metropolitan Region, ChileNo salary listedIn-person

About the Job

Requirements

  • Experience administering and operating corporate firewalls or unified threat management (UTM) systems, including next-generation firewalls.
  • Solid knowledge of TCP/IP, VLANs, static and dynamic routing, source and destination network address translation (NAT), IPsec and SSL VPNs, DNS, HTTP/HTTPS, and network services.
  • Experience troubleshooting connectivity using logs and diagnostic tools.
  • Knowledge of network security policies and segmentation.
  • Knowledge of microsegmentation.
  • Knowledge of east-west (lateral) traffic control within a data center.
  • Familiarity with Windows and Linux environments.
  • Knowledge of ITIL and change management.

Responsibilities

  • Administer and operate corporate firewall and UTM environments, including next-generation firewalls.
  • Create, modify, and remove firewall rules according to established change processes.
  • Analyze and troubleshoot connectivity problems between networks, applications, and services.
  • Monitor security logs and events, identifying and analyzing blocks, anomalies, and potential incidents.
  • Periodically review security policies and propose improvements.
  • Validate NAT rules, access policies, site-to-site VPNs, and remote-access VPNs.
  • Support infrastructure, server, cloud, and application teams in enabling necessary access.
  • Analyze traffic using capture and diagnostic tools.
  • Prepare technical documentation, diagrams, and operating procedures.
  • Participate in incident response and root-cause analysis.
  • Ensure changes are implemented according to security and compliance best practices.

Desired Qualifications

  • Experience with Fortinet FortiGate firewalls.
  • Experience with Palo Alto Networks firewalls.
  • Experience with Panorama.
  • Experience with FortiManager and FortiAnalyzer.
  • Experience with the Guardicore microsegmentation tool (Akamai Guardicore Segmentation).
  • Knowledge of Azure Firewall or other cloud firewalls.
  • Knowledge of Zscaler, proxy, or secure web gateway systems.
  • Experience with automation using PowerShell, Python, or REST APIs.
  • Fortinet certifications (FCP, FCSS, or equivalent).
  • Palo Alto certifications (PCNSA or PCNSE).

About the Company

DXC Technology

Global IT services for enterprise modernization

DXC Technology provides IT services to large enterprises, helping them manage and modernize mission-critical systems. It offers consulting, system integration, and managed services that are typically delivered under long-term contracts. The core offering is the Enterprise Technology Stack, which modernizes IT infrastructure, optimizes data architectures, and ensures security and scalability across public, private, and hybrid cloud environments. By applying this stack, DXC helps clients run reliable and scalable IT operations while migrating workloads to the cloud and strengthening data governance. The company differentiates itself with a global reach, a large Fortune 500 client base, and a track record of long-term partnerships, coupled with commitments to sustainability and corporate responsibility. The goal is to be a trusted partner that enables enterprises to operate, secure, and evolve their IT environments efficiently and effectively.

Company size
10,001+
Company stage
IPO
Headquarters
McLean, VA
Founded
2017

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