Alexis Fernández (a.k.a. six2dez)

CEO

Spain17 yrs 7 mos experience
Most Likely To SwitchAI Enabled

Key Highlights

  • Over a decade of experience in offensive security.
  • Expert in building measurable and efficient security services.
  • Creator of several open-source projects, including ReconFTW.
Stackforce AI infers this person is a Cybersecurity expert with a focus on offensive security and application security.

Contact

Skills

Core Skills

Security ManagementOffensive SecuritySystems AdministrationNetwork SecuritySoftware DevelopmentForensics

Other Skills

Application SecurityCloud SecurityAutomationPerformance MetricsGovernanceUnix AdministrationShell ScriptingPythonPHPDB AdministrationNetwork AdministrationAnsibleDockerWindows Server AdministrationSQL Server Administration

About

Cybersecurity professional with over a decade of experience in offensive security, red teaming, and application security. My career has evolved from hands-on technical operations and tool development to leading and scaling security services across a large, multi-entity organization. I currently serve as Security Services Manager and Red Team at Visma. My focus is on building measurable and efficient services: defining operational models and KPIs, driving automation, supporting technical service owners and ensuring consistent maturity across all areas. Despite moving into a managerial role, I maintain a strong technical background, particularly in offensive security and control validation, and continue to contribute to the community as the creator of several open-source projects, including ReconFTW. I’m interested in scalable security architectures, operational efficiency, and fostering collaboration between offensive and defensive teams to continuously improve detection and resilience.

Experience

17 yrs 7 mos
Total Experience
1 yr 11 mos
Average Tenure
4 yrs 4 mos
Current Experience

Visma

3 roles

Security Services & Red Team Manager

Promoted

Jun 2025Present · 10 mos

  • Oversee the coordination and strategy of multiple security domains, including offensive, application, and cloud security.
  • Develop and maintain performance metrics and reporting frameworks to track maturity and risk trends.
  • Drive automation and cross-team initiatives to enhance visibility, detection, and response capabilities.
  • Mentor service owners and guide roadmap planning, governance, and resource prioritization.
  • Support alignment of security objectives with business goals and regulatory requirements.
Offensive SecurityApplication SecurityCloud SecurityAutomationPerformance MetricsGovernance+1

Red Team Lead

Promoted

Jan 2024Nov 2025 · 1 yr 10 mos

Red Team Engineer

Dec 2021Jan 2024 · 2 yrs 1 mo

Cobalt

Cobalt Core Pentester

Oct 2021Present · 4 yrs 6 mos

Telefónica

Offensive Security Engineer

Feb 2021Dec 2021 · 10 mos

Synack red team

Synack Red Team Member

Dec 2020Aug 2024 · 3 yrs 8 mos

Gmv

Ethical Hacker

Nov 2019Feb 2021 · 1 yr 3 mos · Madrid y alrededores, España

Altafonte network

Head of Systems

Dec 2016Nov 2019 · 2 yrs 11 mos · Madrid y alrededores, España

  • nix and *BSD administration.
  • Hardening.
  • Shell scripting, Python and PHP.
  • DB administration.
  • Network administration.
  • Ansible automation.
  • Docker.
  • GlusterFS distributed filesystem.
  • Clustering.
Unix AdministrationShell ScriptingPythonPHPDB AdministrationNetwork Administration+4

F.y.v.e.

Technical Lead

Oct 2015Dec 2016 · 1 yr 2 mos · Madrid

  • Windows Server administration.
  • Windows hardening.
  • SQL Server administration.
  • C# development.
Windows Server AdministrationSQL Server AdministrationC# DevelopmentSystems AdministrationSoftware Development

Antpji

Forensics computer technician

Jan 2015May 2016 · 1 yr 4 mos · Madrid y alrededores, España

  • Forensics analysis.
  • Evidence collection.
  • Technical and executive reporting.
Forensics AnalysisEvidence CollectionTechnical ReportingForensics

Zemsania tech services & solutions

Software Analyst

Jan 2015Sep 2015 · 8 mos · Madrid y alrededores, España

  • BBVA client.
  • Visual Nacar.
  • RSA.
  • Rational Rose.
  • JNemesis.
  • Java, JS, HTML development.
Java DevelopmentJavaScript DevelopmentHTML DevelopmentSoftware Development

B2c europe

Software Programmer

Apr 2014Jan 2015 · 9 mos

  • PHP, HTML, Jquery, MySQL development.
  • Shell Scripting.
PHP DevelopmentHTML DevelopmentMySQL DevelopmentShell ScriptingSoftware Development

Tecnocom

Software Developer

Mar 2011Jul 2013 · 2 yrs 4 mos

  • BBVA client.
  • Visual Nacar.
  • RSA.
  • Java, JS, JSP development.
Java DevelopmentJavaScript DevelopmentJSP DevelopmentSoftware Development

Everis

Software Developer

Nov 2007Mar 2011 · 3 yrs 4 mos

  • BBVA client.
  • Visual Nacar.
  • RSA.
  • Java, JS, JSP, XML and C++ development.
  • Rational Rose.
  • JNemesis.
Java DevelopmentJavaScript DevelopmentJSP DevelopmentXML DevelopmentC++ DevelopmentSoftware Development

Education

Udima Universidad a Distancia de Madrid

Informatica — Derecho informatico y peritaciones judiciales

Jan 2014Jan 2016

IES Clara Campoamor

Graduado

Jan 2000Jan 2004

Stackforce found 100+ more professionals with Security Management & Offensive Security

Explore similar profiles based on matching skills and experience