CARLOS CASTELLANOS
Information Security Engineer | CISSP | CISO
Guatemala City
Summary
CISSP Certified Cybersecurity Specialist with 15 years of experience in cryptography, secure connections, identity resolution, critical incident resolution and process automation. Skilled in safeguarding complex systems, leading risk mitigation strategies, and designing secure architectures. Proficient in integrating real-time monitoring tools and ensuring operational continuity across distributed platforms. Committed to innovation and implementing advanced solutions to protect digital assets in dynamic and competitive environments.
Overview
15
15
years of professional experience
2037
2037
years of post-secondary education
7
7
Certifications
3
3
Languages
Work History
QA Engineer
RadiantLogic
09.2022 - Current
- Specialized in the advanced automation of testing processes, including the creation of robust tests for APIs in Java and the transition from manual testing to fully automated flows for user interfaces
- Design and optimization of CI/CD pipelines in GitLab, integrating automated tests that accelerated the development cycle and improved product quality
- Experience in validating complex and scalable systems, ensuring the delivery of reliable software in a highly competitive and innovation-oriented business environment
Site Reliability Engineer
Pinterest
08.2020 - Current
- Specialized in ensuring the availability, scalability and performance of platforms globally
- Expert in design and implementation of resilient systems, optimization of CI/CD pipelines and automation of critical operational processes
- Driving initiatives to reduce downtime by 40%, optimize cloud infrastructure costs and improve the user experience through innovative and highly effective solutions
- Proactive in solving complex problems in high-traffic distributed systems
Java Security Level II Engineer
IBM
01.2018 - 07.2021
- Level III Java Security Engineer at IBM, with experience providing support and technical advice to internal and external developers for the implementation and efficient use of Java Security APIs
- Specialized in research, problem replication, analysis and debugging of code, including both client code and IBM Java security components
- Extensive experience in security components such as cryptography, authentication, SSL/TLS and key management, ensuring accurate solutions aligned with quality standards
QRadar Level II Engineer
IBM
04.2015 - 01.2018
- Part of the prestigious System Down team, specialized in the resolution of critical cases (critsit) with significant impact on the operation of customers
- Expert in advanced diagnosis and real-time complex troubleshooting, including on-site consulting to address highly complex scenarios that cannot be solved remotely
- Collaborated closely with multidisciplinary teams to identify and mitigate critical flaws in SIEM security implementations, ensuring operational continuity and customer satisfaction in mission-critical environments
Professor
Galileo University
01.2013 - 12.2015
- Subjects taught: Databases, Operating Systems, Algorithms and Data Structures
Security Systems Engineer
Sistemas Aplicativos, S.A.
08.2011 - 04.2015
- Integration of security tools in complex infrastructures, resolution of critical incidents and design of strategies to improve the resilience and regulatory compliance of IT systems
- Responsible for providing technical support and advice for the configuration and management of encryption systems in tape libraries, ensuring the protection of sensitive data by implementing advanced cryptographic key management policies with TKLM and supervision and optimization of real-time monitoring operations using TSOM, identifying and mitigating security threats in critical infrastructures
Head of Software Development
Unity Promoters
08.2009 - 08.2011
- Software Development Leader at Unity Promotores, with integral responsibility in the research, proposal and implementation of strategic technological solutions
- Direction in the development to ensure the delivery of innovative software, aligned with business needs and focused on optimizing key operational processes
- Administration of critical databases for the company's operations, ensuring their integrity, security and availability
- Technological modernization through requirements analysis, design of robust architectures and execution of successful projects, contributing significantly to organizational growth and improved operational efficiency
Education
Certified Information Systems Security Professional (CISSP) - Information Security
ISC2
12-2024
Bachelor of Computer Science -
Galileo University
Guatemala City, GU 01.2008 - 12.2012
Master of Business Administration -
Galileo University
Guatemala City, GU 01.2014 - 12.2015
Lawyer and Notary -
Da Vinci University
Guatemala City, GU 01.2016 - 12.2020
Skills
Security information and event management
undefinedCertification
CISSP, ISC2, 2024
Timeline
QA Engineer
RadiantLogic
09.2022 - Current
Site Reliability Engineer
Pinterest
08.2020 - Current
Java Security Level II Engineer
IBM
01.2018 - 07.2021
Lawyer and Notary -
Da Vinci University
01.2016 - 12.2020
QRadar Level II Engineer
IBM
04.2015 - 01.2018
Master of Business Administration -
Galileo University
01.2014 - 12.2015
Professor
Galileo University
01.2013 - 12.2015
Security Systems Engineer
Sistemas Aplicativos, S.A.
08.2011 - 04.2015
Head of Software Development
Unity Promoters
08.2009 - 08.2011
Bachelor of Computer Science -
Galileo University
01.2008 - 12.2012
Certified Information Systems Security Professional (CISSP) - Information Security
ISC2
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