Network Engineer: IV (Lead)-

Corus Consulting an Alten Company; México; Remote; MXN 600,000 - 900,000; Full time

Job summary

Corus Consulting an Alten Company is seeking a seasoned Network Security professional for a fully remote role based in Mexico. You will govern firewall configurations, review rule bases, and lead remediation efforts to support audits and regulatory requirements.

Ideal candidates bring 5+ years in network security, experience with major firewall platforms, and strong collaboration with risk and compliance teams. Proficiency in automation and SIEM/Ticketing tools is a plus.

Qualifications

• 5+ years of experience in network security with focus on firewall governance.
• Experience reviewing firewall rules across leading platforms.
• Experience supporting remediation activities and audits.
• Knowledge of GRC processes and risk-based controls.
• Automation, scripting or AI-assisted security operations is desirable.

Responsibilities

• Manage firewall configurations and hardening to reduce risk.
• Perform firewall rule reviews and recertifications for compliance.
• Support audit remediation including evidence collection and tracking.
• Collaborate with regulatory, risk and compliance teams to address findings.
• Leverage automation and tooling to optimize rulebases and workflows.

Skills

Firewall governance

Firewall rule reviews

Audit remediation

GRC support

Automation scripting

Vulnerability management

Security monitoring

Tools

ServiceNow

Jira

Excel

PowerPoint

Visio

Job description

Location: - Fully remote position in Mexico

Description:

5+ years of experience in Network Security, with a strong focus on firewall governance, operations, and remediation.

Hands-on experience managing and reviewing firewall rule bases (e.g., Palo Alto, Check Point, Cisco ASA/Firepower, Fortinet).

Strong understanding of network security controls, firewall policies, rule lifecycle management, and access governance.

Experience supporting audit remediation activities, including evidence collection, documentation, issue tracking, and action-item closure. Proven ability to perform firewall rule reviews, rule recertifications, cleanup initiatives, and rule-set optimization.

Experience analyzing firewall rules for compliance, security risks, and operational effectiveness.

Strong analytical and problem-solving skills with the ability to identify remediation opportunities and drive them to completion.

Experience working with regulatory, audit, risk, and compliance teams to address findings and meet remediation deadlines.

Knowledge of automation, scripting, or AI-assisted security operations is highly desirable.

Proficiency with Microsoft Office tools (Excel, PowerPoint, Visio) and ticketing/tracking platforms such as ServiceNow or Jira.

Strong organizational and documentation skills with the ability to manage multiple initiatives and deadlines.

Excellent verbal and written communication skills.

Must-Have Requirements:

• Network security configuration and hardening
• VPN and firewall security management
• Configuration compliance and control reviews
• Configuration drift and risk remediation
• Security automation and AI-driven reviews
• Vulnerability management and audit supportSecurity monitoring and threat analysis
• Governance, risk, and compliance (GRC) support
• 5+ years of experience in Network Security