Senior Information Security Administrator

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Lanlink Informática Ltda.

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 1988

🔒 Cybersecurity

🤖 Artificial Intelligence

IT • Cybersecurity • Artificial Intelligence

Lanlink Informática Ltda. is a Brazilian technology company that specializes in providing IT infrastructure and services tailored to improve business productivity across various sectors. They offer solutions in data management, artificial intelligence, cybersecurity, and productivity enhancement, focusing on both the private and public sectors, including agriculture, education, energy, finance, and retail. With decades of experience, Lanlink is dedicated to modernizing the technological landscape of organizations, ensuring efficiency and effectiveness in their operations through innovative technological solutions.

📋 Description

• Ensure the continuity, security and evolution of the information technology infrastructure • Ensure that physical and logical resources are available, up to date and aligned with operational needs • Configure and manage security policies on Linux operating systems, including access control, file permissions and firewall settings • Monitor event logs on Linux servers and workstations to identify suspicious or anomalous activity • Apply security patches and updates to Linux systems • Implement hardening practices on Linux servers and workstations • Conduct periodic compliance audits on Linux systems • Review user permissions and privileges on Linux systems • Document security incidents and propose technical mitigation recommendations • Collaborate in the investigation of incidents involving Linux systems • Prepare technical reports on Linux system security and performance metrics • Configure and maintain firewalls and tools such as iptables and UFW • Perform vulnerability scans • Carry out integrity audits of critical files and logs • Assess privileged accounts and segregation of duties • Implement and manage data encryption with LUKS • Assess and configure application control policies with SELinux/AppArmor • Monitor and respond to SIEM tool alerts • Implement and monitor security policies for SSH, LDAP and databases • Perform forensic analysis on compromised Linux systems • Evaluate and implement multi-factor authentication (MFA) • Develop resilient, secure architectures, including network segmentation, load balancing and granular controls • Conduct simulations of advanced attacks, zero-day vulnerability exploitation, privilege escalation and lateral movement • Create and maintain scripts in Bash, Python or other languages for security automation • Design and execute ransomware prevention, detection and recovery strategies • Perform other information security and Linux environment-related activities as required by operations

🎯 Requirements

• University degree in Information Technology (IT) or related field • Experience in information security or Linux environments • Experience must be demonstrated by a contractor agreement (Pessoa Jurídica) or an employment record (Carteira de Trabalho) showing start and end dates for the activity • ITIL 4 training with a minimum duration of 12 hours • Official ITIL 4 Foundation certification or higher • Linux Professional Institute LPIC-3 Security certification • One of the following certifications: ECSA (EC-Council Certified Security Analyst), CySA+ (CompTIA Cybersecurity Analyst), ECIH (EC-Council Certified Incident Handler) or CSIH (Certified Specialist Incident Handler)

🏖️ Benefits

• Health plan: Hapvida, Bradesco or Unimed (according to regional collective bargaining agreement — CCT — rates) • Dental plan: Hapvida Odonto or Bradesco Dental • Meal or food allowance • Life insurance fully paid by Lanlink • Totalpass • Pharmacy partner program • University partnership program • Corporate learning platform • Newborn welcome kit • Moodar platform