Engineering
Senior Security Analyst - Blue Team
Oct 21, 2025

Security Analyst - Blue Team (Controls Implementation & Incident Response)
About NeoSpace
NeoSpace is an innovative startup shaping the future of technology with cutting-edge artificial intelligence solutions. We develop specialized AI models to optimize processes and transform our clients' experience. Our goal is to simplify people’s lives and increase business efficiency by creating smarter and more accessible products and services.
About the Role
We are looking for a Security Analyst (Blue Team) focused on the implementation of cybersecurity controls, who will also be involved in incident response, technical analysis, and strategic security projects.
You will be part of a team responsible for enhancing the organization’s defense maturity, applying recognized frameworks and strengthening the security posture across cloud and corporate environments.
What You’ll Do
Implementation and Strengthening of Security Controls:
Plan, implement, and maintain technical and procedural controls based on frameworks such as NIST CSF, CIS Controls, ISO 27001, and MITRE ATT&CK.
Participate in the definition and execution of security policies, access management, system hardening, and critical configuration reviews.
Support security architecture and engineering efforts in infrastructure, network, and cloud projects (AWS and Oracle).
Automate and document security controls through scripts, pipelines, and continuous compliance tools.
Monitoring and Incident Response:
Operate detection and response tools (SIEM, EDR, SOAR, IDS/IPS).
Investigate alerts, identify root causes, contain threats, and coordinate corrective actions.
Conduct initial forensic analyses and prepare post-incident reports.
Update playbooks and response procedures based on lessons learned.
Analysis and Continuous Improvement:
Perform control effectiveness assessments, internal audits, and gap analyses.
Map threats and vulnerabilities, recommending prioritized mitigation plans.
Support the creation of security metrics and KPIs to monitor operational risks.
Security Projects and Integration:
Collaborate with product, infrastructure, and development teams to integrate security from the design phase (“security by design”).
Conduct technical architecture reviews and support the validation of secure solutions.
Participate in automation, Zero Trust, identity management, and corporate visibility initiatives.
Mandatory Requirements:
Degree in Information Security, Computer Science, Engineering, or related fields.
Solid experience in implementing security controls and performing defensive operations (Blue Team, SOC, Incident Response).
Proficiency in security frameworks such as NIST CSF, CIS Controls, ISO 27001, and MITRE ATT&CK.
Strong technical knowledge in network, cloud, and endpoint security.
Hands-on experience with SIEM, EDR, automation, and log analysis.
Clear communication skills, both for technical and executive audiences.
Nice to Have
Certifications such as CompTIA Security+ or equivalent.
Experience with cloud infrastructure (GCP, AWS, Azure, Oracle) and security automation using Python, Bash, PowerShell, or APIs.
Familiarity with Zero Trust, DevSecOps, or secure-by-design architectures.
Intermediate to advanced English proficiency for technical reading.
Benefits
CLT Contract (Brazilian employment contract)
Flash Card for flexible benefits
Birthday day off
Wellhub (Gympass)
SulAmerica Health and Dental Plan (100% covered by NeoSpace for the employee)
Why Work at NeoSpace AI
You will be part of a modern and collaborative security team that leverages cutting-edge technology and prioritizes intelligence, automation, and solid frameworks to build robust defenses.
At NeoSpace AI, you’ll have technical autonomy, growth opportunities, and direct collaboration with experts in security, cloud, and AI.