NSG Group

Senior Cybersecurity Analyst

NSG Group

full-time

Posted on:

Location Type: Hybrid

Location: Caçapava • Brasil

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Job Level

Senior

Tech Stack

AWSAzureFirewallsLinuxMacOSPython

About the role

  • The Cybersecurity Operations Specialist is responsible for protecting NSG's digital infrastructure, sensitive data, and connected systems against cyber threats.
  • This role involves assessing risks, designing, implementing and maintaining secure systems and networks.
  • Enable full use of infrastructure and systems by ensuring ongoing optimal design for production systems. Investigate, manage and resolve cybersecurity infrastructure incidents and issues of high technical complexity.
  • Ensure that security policies and controls are effectively deployed across the company.
  • Ensure that Health, Safety and Quality are central to all activities performed in the work environment;
  • Act as the highest level of expertise in supporting Cybersecurity Operations;
  • Provide specialized technical response during cybersecurity incidents;
  • Support the design, build and deployment of security technologies, acting as a technical lead on security projects at local, regional and global levels;
  • Maintain secure configurations and system hardening in accordance with agreed controls, including data protection regulatory frameworks such as GDPR and LGPD;
  • Identify, assess and remediate vulnerabilities in digital infrastructure and applications;
  • Ensure appropriate access control and identity protection mechanisms are implemented;
  • Assist in and develop automation and optimization of security operations to increase efficiency;
  • Influence digital and business areas to ensure solutions are designed to meet operational best practices;
  • Maximize return on investments made in security infrastructure technologies, continuously seeking to improve the value obtained;
  • Fully understand the scope and impact of business changes and mitigate risks by ensuring complete testing and fully documented recovery processes;
  • Challenge the cost and quality of service delivery to ensure the best balance;

Requirements

  • Experience: 3 to 5 years working in cybersecurity operations or related areas;
  • Advanced understanding of security architectures, protocols and technologies;
  • Hands-on experience with network security solutions – install, configure and maintain EDR, XDR, SWG, SEG, firewalls, IPS/IDS, VPN, CASB, PKI/Encryption, IAM, DLP technologies;
  • Practical knowledge of MITRE ATT&CK and the Cyber Kill Chain;
  • Perform incident detection and response, including investigation and mitigation of security breaches;
  • Lead post-incident forensic investigations to determine root causes and prevent recurrence;
  • Work with IT teams to restore affected systems and data during recovery efforts;
  • Draft and enforce security policies, procedures and standards;
  • Knowledge and application of system hardening in compliance with security frameworks (NIST, CIS);
  • Ensure compliance with cybersecurity regulations and frameworks, such as GDPR and ISO 27035;
  • Assess risks, identify vulnerabilities and develop solutions to reduce exposure;
  • Research and recommend new security technologies to enhance defenses;
  • Deep knowledge of network protocols, operating systems (Windows, Linux, macOS) and cloud platforms (AWS, Azure);
  • Expertise in cybersecurity frameworks and tools, such as SIEM, firewalls, IDS/IPS and vulnerability scanners;
  • Proficiency in scripting and automation tools (e.g., KQL, Python, PowerShell);
Benefits
  • Health insurance (cost-sharing);
  • Dental insurance;
  • Life insurance;
  • Meal allowance;
  • Pharmacy allowance;
  • Private pension plan;
  • Credit union;
  • Commuter allowance (transport);
  • Shuttle bus;
  • On-site parking;
  • Company cafeteria/restaurant;
  • On-site medical clinic;
  • Remote work (home office);
  • Wellhub;
  • Short Friday;
  • School supplies assistance;
  • Profit-sharing (PPR);
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
cybersecurity operationssecurity architecturesnetwork security solutionsEDRXDRSWGSEGfirewallsIPS/IDSVPN
Soft Skills
incident detectionincident responseforensic investigationsrisk assessmentsolution developmentpolicy draftingteam collaborationcommunicationinfluenceoptimization
Certifications
GDPRISO 27035NISTCIS