Jorge Ramos Mejia

Jorge Ramos Mejia

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Linux Sysadmin and Information Security
Cartagena, Bolivar, Colombia

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Résumé

Jobs verified_user 0% verified
  • C
    Kali Linux ISO customization
    CAForense SAS
    Feb 2023
    Development of Kali Linux ISO, customized in computer forensic tools and
    corporate image, for missionary processes.

    Technologies include:
    • Debian Linux
    • UDEV
    • Grub
    • Python v2 and v3 (PIP)
    • Gimp
    • Build-scripts
    • Ddrescue
    • Guymager
  • C
    Information Security Consultant
    CAForense SAS
    Nov 2022 - Dec 2022 (2 months)
    Information Security Consultant for monitoring and verifying compliance and
    implementation level of the Information Security and Privacy Model (MSPI) of
    MINTIC for organization’s clients, compared to the norms associated with ISO/IEC 27001 of 2013.
  • F
    Consultancy for the Information System Security Diagnosis for Mutual SER EPS
    FreeTIC
    Dec 2021 - May 2022 (6 months)
    Assessment of telecommunications networks and data centers, diagnosis of the state of maturity of policies, procedures and processes aimed at ensuring
    information in contrast to ISO/IEC 27000:
    • Analyzed the documentary support (policies, processes, procedures, etc.)
    of Information Security System in search of compliance with the minimum
    requirements of the Colombian Legislation and the Superintendency of Health.
    • Validated what was presented by the entity through field trips.
    • Check with standards and good practices applicable to the client (ISO/IEC
    27000, NIST, CSI, etc.)
    • Detected situations to be solved and issued recommendations.
    • Synthesized findings and recommendations in managerial an
  • C
    Information Security Consultant
    CAForense SAS
    Oct 2021 - Nov 2021 (2 months)
    Information Security Consultant for monitoring and verifying compliance and implementation level of the Information Security and Privacy Model (MSPI) of
    MINTIC for organization’s clients, compared to the norms associated with ISO/ IEC 27001 of 2013.
  • F
    Implementation ansd support of voice over IP system to Anas Wayuu EPS
    FreeTIC
    Apr 2019
    • Implementation of voice over IP system (ASTERISK) for headquarter and healthcare contact center.
    • Improved the telephone service process by implementing a telephone answering system with which users can independently resolve concerns with the EPS. (PHP, ORACLE)
    • Upgraded corporate telecommunications by migrating the analog to digital phone platform. (ASTERISK)
    • Integrated the EPS branch offices through digital telephone services and VPN. (SSL)
    • Applied cybersecurity protocols for the assurance of corporate communications.
    • Supported the EPS in technical resolutions with a telephone channel provider.

    Technologies include:
    • Asterisk
    • PHP (AGI)
    • ORACLE, MSSQL
    • Linux (CentOS)
  • F
    Consultancy for the Information System Security Diagnosis to Asociación Mutual SER E.P.S. E.S.S.
    FreeTIC
    Dec 2018 - May 2019 (6 months)
    Provide support and monitoring for 13 servers (12 on cloud, 1 on-premise) supporting organizational operations. Responsible for infrastructure architecture with regard on the future growing:
    • Keep stability and performance of server infrastructure.
    • Determine and apply cybersecurity strategies.
    • Support R + D + I processes in ensuring the reliability, integrity and availability of data.
    • Plan and execute logical maintenance activities (Patching, tuning and hardening) of Linux operating systems.
    • Resource usage, performance, backup and restore monitoring.
    • Led Incident Management.
    • 7/24 support

    Technologies include:
    • Ansible for infrastructure migration and cloud configuration
    •
  • S
    Managed Service Provider
    SITIAPP S.A.S
    Dec 2018 - Current (7 years 10 months)
    Provide support and monitoring for 13 servers (12 on cloud, 1 on-premise) supporting organizational operations. Responsible for infrastructure architecture with regard on the future growing:
    • Keep stability and performance of server infrastructure.
    • Determine and apply cybersecurity strategies.
    • Support R + D + I processes in ensuring the reliability, integrity and availability of data.
    • Plan and execute logical maintenance activities (Patching, tuning and hardening) of Linux operating systems.
    • Resource usage, performance, backup and restore monitoring.
    • Led Incident Management.
    • 7/24 support

    Technologies include:
    • Ansible for infrastructure migration and cloud configuration
    •
  • D
    Chief Operating Officer
    Distriseguridad
    Nov 2017 - Jun 2018 (8 months)
    · Orchestrated and executed impactful projects, contributing to societal advancement and citizen security, as part of the Cartagena de Indias District Development Plan.
    · Oversaw and managed the delivery of goods and services to security agencies, leading an 85-person team and managing a budget of $4.5 billion COP.
    · Spearheaded the lifeguard corps supervision and operational contractors, ensuring efficient delivery of essential services and compliance. Key Achievements:
    · Achieved significant cost savings of COP $789,028,600 annually by optimizing the lifeguard corps operations, eliminating the need for subcontracting.
    · Successfully negotiated a telecommunications and data contract for the POLICE, resulting in
  • A
    Managed Service Provider
    A ONE + SAS
    Jan 2017 - Nov 2018 (1 year 11 months)
    - Design and implementation of business continuity and information security strategies, support for open source platforms and telecommunications infrastructure.
  • A
    Managed Service Provider
    Aboconta
    Sep 2016 - Current (10 years 1 month)
    Provide support and monitoring for 4 servers (1 on cloud, 3 on-premise) supporting all organizational operations. (CRM, Ledgers App, File Repository, Networking, Backups, etc):
    • Create technological strategies for support missional and business process.
    • Produce the Information Technology Strategic Plan and Information Systems Policy.
    • Consolidate cyber security and Business Continuity Plan.
    • Maintain availability, security and good performance of the Linux technology platform.
    • Led Incident Management.

    Technologies include:
    • Docker (docker-compose)
    • Apache (Php, Perl), Nginx (reverse proxy), Let’s Encrypt
    • MariaDB, PostgreSQL, OpenLDAP
    • Linux (CentOS, Ubuntu), FreeBSD (PFSens
  • FTI Consulting
    Cybersecurity Consultant
    FTI Consulting
    Apr 2016 - Jul 2017 (1 year 4 months)
    · Conducted comprehensive risk assessments for information security in highstakes strategic projects, mitigating potential data breach threats.
    · Ensured compliance with established cybersecurity standards and frameworks, including NIST, PCI DSS, ISO 27k, SANS, DISA, and CIS.
    · Expertly identified vulnerabilities jeopardizing data confidentiality, providing strategic recommendations to fortify project defenses.
    · Innovatively introduced new cybersecurity controls while optimizing existing frameworks to proactively safeguard sensitive information. Technologies & Standards:
    · Proficiently employed industry-leading standards such as NIST (SP-800 & SP-1800), PCI DSS Security Standards Council®, ISO 27k, SANS, DISA (
  • D
    Chief Telecommunications & Electrical Supervision (Project IMPALA Terminal)
    Del Castillo Schifino Arquitectos S.A.S
    Jun 2015 - Aug 2016 (1 year 3 months)

    · Diligently oversaw milestone tracking and task management for contractors,ensuring project adherence to established timelines.
    · Facilitated change approval processes and efficiently resolved issues to maintain seamless project continuity.
    · Ensured stringent quality assurance and adherence to construction methodologies for optimal project outcomes.
    · Authenticated completion minutes and diligently reported work progress,fostering transparency and accountability.
    · Spearheaded and actively participated in management committee initiatives,ensuring effective collaboration and project advancement.
    · Led a supervisory team, offering guidance and mentorship while maintaining a seamless communication interface bet
  • A
    Telecommunication and electrical infrastructure supervisor (Project Ferrocarril del Pacífico)
    Alberto Samudio Arquitectos S.A.S
    Nov 2014 - Jul 2015 (9 months)
    · Diligently managed milestone tracking and task oversight for contractors,ensuring adherence to project timelines and quality standards.
    · Approved changes and effectively resolved issues to maintain project continuity and quality assurance.
    · Ensured adherence to construction methods and techniques for optimal efficiency and safety.
    · Authenticated meeting minutes to maintain project documentation accuracy and integrity.
  • Silicom Ingenieros SAS
    Resident Enginner
    Silicom Ingenieros SAS
    Nov 2013 - Feb 2014 (4 months)

    · Played a pivotal role as a technical engineer in electrical and networkingcable installation for the prestigious TRAFIGURA OFFICES Project at theAndino Building.
    · Supported the implementation and configuration of the network system,ensuring seamless operations.
    · Strategically planned and managed schedules, ensuring timely projectcompletion.
    · Effectively managed activities and resources, optimizing productivity andefficiency.
    · Negotiated and finalized terms with the delivery team, ensuring projectalignment with expectations.
    · Orchestrated daily activities and effectively coordinated installation crews forseamless project execution.
  • Mutual SER EPS
    Specialist Consultant in Computer Security and Telecommunications.
    Mutual SER EPS
    Apr 2011 - Feb 2014 (2 years 11 months)
    · Provided comprehensive IT consulting and maintenance support for Asociación Mutual SER ESS EPSS, specializing in telecommunications infrastructure and security.
    · Offered expert support for GNU/Linux and ●BSD servers at the operating system level, ensuring smooth operations.
    · Managed and maintained the Zimbra Email server, ensuring uninterrupted communication channels.
    · Provided technical support for Instant Messenger (Jabber XMPP), facilitating real-time communications.
    · Successfully handled Voice over IP (Asterisk) for 8 servers nationwide, including a medical contact center, ensuring reliable communication services.
    · Deployed and maintained VPN (SSL) infrastructure for secure remote access.
    · Diagnosed
  • Mutual SER EPS
    Assistant - Dept. of T.I. in Telecom & Computer Security
    Mutual SER EPS
    Jan 2008 - Mar 2011 (3 years 3 months)
    · Responsible for the establishment and implementation of policies related
    to information security, inspection of regulatory compliance, safeguarding confidentiality, integrity and privacy of data, management of the incident response team.
    · Oversight of telecommunications and information security domains, ensuring robust infrastructure and data protection.
    · Selection and oversight of Networking channel providers (Frame Relay and MPLS) and ISPs for 91 offices across Colombia.
    · Pioneering research and development in network management tools and information security protocols.
    · Successful project management for office relocations, including IT infrastructure migration and relocation.
    · Design of networking cab
  • L
    Research and Development Chief
    Lintec S.A
    Apr 2006 - Oct 2007 (1 year 7 months)
    Responsibilities:
    - Research, development, and deployment of new technologies in GNU/Linux and ●BSD.
    - Management and support of GNU/Linux and ●BSD Servers:
    - SuSE
    - Debian
    - Redhat
    - Mandrake (Mandriva Linux)
    - Gentoo
    - M0n0wall (FreeBSD)
    - Pfsense (OpenBSD)
    - Knoppix

    Implemented and Supported Systems and Services:
    - Mail servers (POSTFIX, SENDMAIL)
    - Mail listing (MAILMAN, MAJORDOMO)
    - Web Server (APACHE, LAMP)
    - Printer Servers (CUPS, LPR)
    - Terminal Diskless Server (THINSTATION, LTSP)
    - Internet Traffic Control (SQUID, NAT)
    - Firewall Services (IPTABLES, IPFILTER, IPFW)
    - Network management services (DHCP, DNS, IPROUTE)
    - Instant Me
  • R
    Point of Present Coordinator
    RADIOVISUAL S.A.
    May 2004 - Oct 2005 (1 year 6 months)
    · Overseeing wireless bases and nodes throughout Colombian territory.

    · Designing and installing Wireless Networks.

    · Installing and deploying Traffic Control Tools.

    · Conducting Research and Development in embedded systems for wireless
    routes:
    – Pebble Linux
    – OpenWRT
    – DD-WRT
    – M0n0wall
    – Pfsense

    · Managing Networking tasks.

    · Deploying and maintaining high-availability systems for SAT and Frame
    Relay Channels:
    – High Availability Services
    – Dynamic and static routing

    · Information Security:
    – Deployment and support of firewalls
    – Deployment and support of backup systems
  • C
    Research and Deployment
    CaribeNET SA
    Feb 2000 - Jan 2004 (4 years)
    Management and support for servers on GNU/Linux and FreeBSD platforms:
    · SuSE
    · Debian
    · Redhat
    · Mandrake (Mandriva Linux)
    · FreeBSD

    Project management for migration to open-source platforms at:
    · Hotel Chain Dorado Plaza.
    · Inverbienes Ltda.
    · Aboconta Ltda.
    Implementation and support for mail servers at:
    · Indufrial S.A.
    · Abocol S.A.

    Research, Development, and Implementation:
    · Mail servers (POSTFIX, SENDMAIL)
    · Web servers (APACHE)
    · Printing servers (CUPS, LPR)
    · Diskless Terminal Servers (Thinstation, LTSP)
    · Internet management servers (SQUID, NAT)
    · Firewalls (IPTABLES, IPFILTER, IPFW)
    · Network management servers (DNS, D
  • S
    Systems Coordinator
    Jan 1996 - Jan 2002 (6 years 1 month)
    Computing platform migration to SuSE Linux 6.3 (DOS Emulation)
    · Coordination and execution of platform migrations.
    · ERP software migration using DOS emulators (Dosemu).
    · Integration of existing platforms (SAMBA).
    · Implementation of diskless node infrastructure (Thin Clients).
    Networking Infrastructure
    · Upgrade of network infrastructure from 10Base2 to 100BaseT.
    · Configuration and management of shared drives.
    · Configuration and maintenance of shared printing stations.
    · Implementation and Management of Internet Firewall.
    · Implementation and Management of Internet Proxy Cache.
    End-User Helpdesk
    · Support for heterogeneous systems, Windows 95/98, and SuSE Linux
    (printer a
Education verified_user 0% verified
  • Universidad del Norte
    Specialist in Information Sys tem Management.
    Universidad del Norte
    Jan 2011 - Jan 2012 (1 year 1 month)
  • N
    New Networking Technologies Course
    Sep 2010
  • D
    Disaster Recovery Plan Seminar (DRP)
    May 2010
  • I
    ITIL Foundation v3 Certification
    Apr 2010
  • P
    Preparatory seminar for PMP testing
    Sep 2009
  • UNAD
    System Engineer.
    UNAD
    Jan 2003 - Jan 2010 (7 years 1 month)
  • Gimnasio Altaír de Cartagena
    High School Diploma
    Gimnasio Altaír de Cartagena
    Jan 1989 - Jan 1994 (5 years 1 month)
Projects (professional or personal) verified_user 0% verified
  • F
    Security Measures Implementation Specialist for Velez Lab
    FreeTIC S.A.S
    Oct 2023 - Current (3 years)
    • Successfully deployed and managed OPENVPN services, ensuring secure remote access and encrypted communication channels.
    • Configured Network Address Translation (NAT) services, optimizing network traffic and enabling seam-less communication between internal and external networks.
    • Implemented and administered Dynamic Host Configuration Protocol (DHCP) service, automating IP address allocation and facilitating network setup and management.
    • Designed and implemented Captive Portal functionalities, enabling user
    authentication, access control, and customized landing pages for network users.
    • Established efficient traffic control mechanisms, enhancing network
    performance and ensuring prioritization of critical
  • F
    Security Measures Implementation Specialist for ASP Solutions
    FreeTIC S.A.S
    Sep 2023 - Current (3 years 1 month)
    · Led the deployment and configuration of robust security solutions,
    specializing in the hardening of infrastructure across CentOS and Debian
    servers to fortify against potential threats.
    · Spearheaded the implementation of SSL VPN, establishing a comprehensive model encompassing Certificate Authority (CA) and Sub CA,
    ensuring enhanced control and streamlined management.
    · Orchestrated the setup of Active Directory within testing environments,
    optimizing functionalities for seamless testing and validation purposes.
    · Developed tailored IPTABLES scripts to reinforce protection on public
    interfaces, ensuring stringent security measures were in place to mitigate
    potential vulnerabilities and unautho