Systems Engineer Los Angeles

Ken Choi

+1-213-***-**** ad5v7v@r.postjobfree.com Los Angeles, CA 90006

WORK EXPERIENCE

Security Systems engineer II, Cambro Mfg

September 2023 - Present

-. Global Vulnerability task with O365, Entra with AD intune, Email Spam policies with Security Portal manage. Manage Compliance location Trip

China, Germany, Turkey, US (NC, CA, Co, NV)

-. NIST, PIPL and SOC2, ENISAcompliance management Network security with compliance.

-. DB2 /AS400 RPG program design Dev Ops sec operator AWS DB conn As400/ GoAnywhere, Support API Developement.

Power BI DBA support.

Microsoft 365 and AD Management OU and policies control.

-VMWare with SDWAN. MPLS network and security appliance management

-Global branch compliance support with GDPR and Others China branch - New design for network infrastructure and compliance check CCPA, CPRA complianc

IT Security analyst, Zinus Usa

December 2022 - September 2023

SAP Hana Basis component

• Basis Componenent 1703 with response.

• CTS and maintenance, server tune.

• Load analysis with Monthly, Weekly reported.

Infrastructure Security with operation

• AWS Management with Server Access control

• Data Loss Prevention solution verification and setup • EndPoint control

• AD/DS Azure MFA intergrate security

CCPA, CPRA security compliance.

• Privacy with Cybersecurity analysis, policies setup and audit

• with intergrate Network and Infrastructure,

• Educate and Lead leadership communication with assessment instruction provided • ISO27001

• SOC2, NIST compliance

• GDPR prepare react and response for Europe branch IT Admin Manager, Korean Farm Inc

May 2021 - January 2023

Manage Handle all infrastructure with HR, Admin, License, Truck and Other warehouse operation management.

(Massive Asian Food and Japanese food Whole sale distributor)

• Vendor handling any third party associate (Internet, ERP, Network, Maintenance contract)

• Directing and Manage, Maintenance all ELD (Truck management and tracking) system develop(API intergration).

• Network infrastructure managing and optimizing performance, Analysis vulnerability from all exposure on network side.

• Manage and have employees Attendance with Insurance etc.

• Operating Microsoft Navision (Dynamics) system error fix and designing also sql (MSSQL ) 2018 with Dynamics 2018 database optimize.

• Make Project for WHM system development.

• Migration system over to Cloud(Azure) with handling Vendor for co-operate.

• Set up appointment any security issue prevention include data breach. IT Senior Manager, RADIOKOREA

August 2020 - June 2021

Manage 8 team members ( 2 developers (apps, web) )

• Handle all infrastructure belongs on Media related.

• Contract analysis reduce cost and boost revenue from undergoing websites.

• Directing and Manage, Maintenance all this Media Company's broadcast system.

• Network infrastructure managing and optimizing performance, Analysis vulnerability from all exposure on network side.

• VMWARE machine / Build AD/DS / Linux based (Redhat Centos) server, DB optimization (Mysql, Oracle system)

• Manage and have employees skill improvement support by regular study meeting. Dev Ops Tech, Moulton Logistics

November 2019 - April 2020

• Network device maintenance (Cisco 3550, Fortinet 90D, VPN, Mesh type Main network router)

• Handled Airport non disrupt WIFI channel Ruckus network management.

• Exchange server & AD server trouble shooting and end user support ( Use SCCM, AD Administrator)

• RFID ( Motorola MC9090, WT4090 ) Scanner & High Jump system application maintenance.

• Coordinate with printer Vendor and Spectrum company for implement network, IT infrastructure.

• Maintenance VMWare ESXi6.0 / build new hosts for upgrade user PC to VM machine.

• Developed and managed MSP system for user (Windows 2012, 2008, 2016 Servers environment)

• Handled software support and development with Shell, Python automation script.

• SMB, Storage, Cache server, DHCP Pool maintenance.

• AD Policy, Update deployment manage.

IT MANAGER, Moulton Logistics

November 2019 - April 2020

Network Engineer, Next Solutions

March 2019 - November 2019

• Consultation Network Structure and Server Maintenance, tune up plan

• Certified Resell about Office 365 and do transfer and integration work for other exchange or G-Suite.

• PBX (Ring Central and Local server PBX) system (VOIP) vendor handle and actual wring work.

• Coordinate with vendor likewise Cabling company, Phone company, construct company, also Internet vendor

(ATT, Verizon, Spectrum)

• Manage and assist team members can trained for Fix Mac OS, Linux system or Windows Active directory integration project

• AWS system development and evaluate Amazon logistics and FBA Ref company

• Weedmaps, Automation Systems LLC, Depict inc, Harvest Pack. Consultation for Client (On site consultation) for Network and Current infrastructure and IT problem. Do investigation few problems happen on their side for example buggy internet disconnect issue, Also small help desk end user care.

IT Infra Administrator, COWAY USA INC

September 2017 - January 2019

Tasks/Responsibilities:

• CTI & CS Server T1, Gateway, PBX (SIP Phone) system infra manage and develop

• AWS Cloud SAP server transfer and maintenance.

• Vendor (Verizon, ATT, TWC) Contract manage and control interstate (NJ, NY, Dallas, Chicago, Los Angeles, CA)

• Between AWS and onsite VPN Tunnel structure build ( Korea HQ <-> NJ <-> LA, Malaysia )

• Korea HQ cooperate Project with Malaysia Branch.

• Control Backbone and Intranet security set on network and Server side.

• Meraki (Cisco) new device infrastructure design, installation entire project by own role(MX84) IT Manager, CNJ.INC ( Hyundai MOBIS vendor )

December 2016 - October 2017

Position: IT Specialist

Duration: From (12/15/2016) to Current (Total Number of Months: 10 month) Tasks/Responsibilities:

• Automation Manufacture system maintenance and develop algorithm.

• Initiate business information systems (Groupware, Small ERP system).

• Rebuild entire wireless network structure and redesign (AP reorganize, L3, FW, network leak and loop clearing)

• Contract negotiate and reconsideration for every Informational section with involved contract manager. Server Engineer, Network Engineer, KT Ucloud US Zone ( west ), VLAN24 in Downtown Los Angeles October 2015 - December 2016

- Los Angeles, CA

October 2015-

Location: (City, Country) Los Angeles, California Position: Server Engineer, Network Engineer, Vlan24

October 2015 - December 2016

Duration: From (10/23/2015) to (12/20/2016)(Total Number of Months: 1 year) Tasks/Responsibilities:

• Maintenance Network router and BGP (ISP) connection and managed IP on AS 14821.

• FreeNAS, FreeBSD base NAS initialize setting and secured setup.

• Redhat based Cent OS specialist about kernel tune.

• Packet monitoring and configuration backup automation system built.

• Woking as Partner with KTDS, KT and Level3, USCOLO, Coresite.

• Experiencing worldwide branch Hongkong, Korea, Japan, China on Equnix site.

• Desinged and built website for internal EP system.

• Maintained Joins America, Koreatimes, FashionGo, OGPlanet and Gravity Company servers (Over 20 Full racks). IT Dept, Server restructure specialist, Server, system engineer, Koreatimes August 2014 - August 2015

Duration: From (08/23/2014) to (08/23/2015) (Total Number of Months: 12 months) Tasks/Responsibilities:

• Koreatimes US maintained server.

• Served variable web engine and server system improving.

• Trouble shooting for low latency and network fault, and WEB, DB

• Improved with built LVS system server.

• Maintained 2 tower lack, 20 server's on Downtown One Wilshire building IDC.

• Built Load balancing system for Koreatimes.com, Koreatimesus.com Website. Server Administrator, SkBoradband Idc Cafe24 simplex Internet February 2012 - June 2014

) (Total Number of Months: approximate 3 years)

Tasks/Responsibilities:

• Hyper-v and Xen server virtualizing Operating System management

• Developing Perl Script and other shell script for office automation and server management

• A thousand Servers managing, trouble shooting for customers.

• Provide 20 of servers for Expert Managing services (get extra costs)

• Using juniper, and Dasan, Extream switch management.

• Building virtualization template OS

• Building LVS (include load balancing tune, DB(mssql, mysql) tune) System Engineer, Cafe24 ( SK Broadband IDC )

January 2012 - June 2014

Location: Dong-jak, Seoul and Ilsan, Gyenggi-do (Dispatch SK Broadband & KT ICC for server) Position: System Engineer (work for agency)

Duration: From (

IT Dept, Server restructure specialist, Server, system engineer, Koreatimes in Los Angeles August 2012 - August 2013

Staff Sergeant / Security Officer, Republic of Korea Marine Corps September 2009 - January 2012

Total Number of Months: approximate 3 years)

Tasks/Responsibilities:

• Cisco Network switch management

• 5 storage server (oracle) and Many of servers (windows, linux) management.

• Maintenance and modify java program for all of each gate RF ID solution

• Development C# for preventing illegal storage program / Got Awarded.

• In C.E.R.T (Computer Emergency Response Team) prevent like DDOS and whole of viruses patterns. Duty as Staff Sergeant, Awarded Marine Corps Commander. EDUCATION

Purdue University

Bachelor 's, Information Technology

Yong in univ

2009-2014

Bachelor of Applied Science - BASc, Information and computer science SKILLS

Active Directory, Amazon Web Services, Analysis, Broadband, Cable Installation, CCNA, CentOS, Computer Science, Deployment, DevOps, DHCP, English Speaking, Firewalls, FreeBSD, FW, Git, Help Desk Support, Host/Hostess, Hyper-V, Information Technology, Infrastructure Design, Japanese Speaking, Java, Juniper, Kernel, LAN, Linux, Macintosh OS, MS Office, MS-SQL

CERTIFICATION AND LICENSES

Bachelor's degree in Engineering, Computer Science or equivalent CCNA HCNA

Cisco Certified Network Associate (CCNA)

Cisco, EMC, Microsoft Server 2008 – 2019, and VMware VSphere 6 or above computer science or related fields.

Microsoft Certified Systems Administrator

Network Engineer

Valid Driver's License

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