Sergio Castrejon

San Antonio, Texas

Information Security Analyst, Jefferson Bank

Experience at:
Great Adventures Travel, AT&T, IBM

I’m interested in mentoring people from:

    Sergio Castrejon
    Where I've Worked
    J

    Apr 2015 – Present

    Information Security Analyst

    Jefferson Bank
    G

    Sep 2009 – Jan 2017

    Part-Time/ Systems Administrator (2nd Job)

    Great Adventures Travel
    AT&T logo

    Dec 2014 – Apr 2015

    AT&T
    IBM logo

    Jan 2014 – Sep 2014

    Enterprise Administrator/Trainer - SO Delivery

    IBM
    Citi logo

    Oct 2009 – Dec 2013

    Tier 2 Support lead

    Citi
    USAA logo

    Sep 2006 – Jun 2007

    USAA
    W

    May 2004 – Jul 2006

    World Savings
    Where I've Studied

    Associates, Information Technology

    Hallmark University

    H.S. Diploma

    O'Connor High School

    Ask Me About

    People I've Reported To

    People I've Worked With

    People Who've Reported to Me

    Specialties

    check markIT Security

    Ask Me for a Referral

    Jefferson Bank

    In the Media

    Social Media