senior network engineer

Hyun(Justin) Park

DHA NE&S in Asia-Pacific Region, APO AP 96205

Phone: +82-10-891*-**** E-mail: ************@*****.***

Objective

Seeking for a Senior Network Engineer or Technical Manager Position dealing with Complex Network at a challenging place that will utilize 15 years of experience and knowledge in IT field.

Certifications & Skills

Cisco Certified Internetworking Expert (CCIE #14130)

Certified Information Systems Security Professional (CISSP #106207)

Cisco Certified Security Professional (CCSP)

Cisco Certified Design Professional (CCDP)

Foundry Networks Certified Network Engineer (FNCNE)

Microsoft Certified Systems Engineer (MCSE)

Cisco/Juniper/Brocade Routers and Switches

Cisco Security devices - Cisco ASA, ACS, Prime, VPN, IDS, G2 Sidewinder, SecureVantage IDS, Palo Alto, Juniper SSG,

Monitoring tools – WAAS, CiscoWorks, ACS (TACACS+), CS-MARS, Solarwins, HP OpenView, Iron View, OP manager, ForeScout – CounterAct, NNMi, Cacti,

Military encryption devices – TACLNACE(KG-175x), SECTERA(KG-235), KIV-7 and KG-250/SG-250 by ViaSat

Highlights of Qualifications

Current holder of TS/SCI w/ CI Poly granted by DIA on 2012/08/14.

Over 15 years solid experience in network design, engineering, administration, and implementing network security solutions in a large complex Internet and military network.

In-depth knowledge of WAN/LAN/WLAN topologies and legacy protocols and networking technologies. (VOIP, Wireless, MPLS, NEXUS, SAN, Data Center, VPN, TCP/IP, ISIS, BGP, EIGRP, OSPF, ATM, Frame Relay, Multicasting).

Excellent analytical, problem-solving, decision-making skills and concise solutions to complex problems.

Extensive knowledge and experience in developing network documents including logical layouts, physical layouts, protocols chart, IP addressing summary, hardware/software inventory listings, network procedures manual, etc.

Excellent written and verbal communication skills. Able to effectively communicate to senior management, technicians and non-technical end users.

Experienced to manage employee in technically and administrative.

Professional Experience

URS-AECOM, 2014 to Present Seoul, Korea

Senior Network Engineer for DHA Asia-Pacific Region

Manage & support 11 Department Health Agency Network Engineers at different locations in Asia-Pacific region. This position covers Army medical command in Korea, Osan AB medical command in Korea, Naval Medical command at Yokosuka, Army Hospital at Camp Zama in Japan, Naval medical command at Okinawa, Air Force medical facilities at Kadena AB in Okinawa, Naval medical command in Guam, Naval Medical command in Hawaiii, Tripler Army Medical Central in Hawaii, Army Medical command at Wainwright/Richardson in Alaska, Air Force medical facilities at Elmendorf AB in Alaska

Supports the medical mission of the DoD and ensures that the highly complex and technical requirements related to the infrastructure are addressed. Also supports to identify and resolves larger, more complex LAN/WAN/WLAN network problems and issues, researches network-level problems using network management tools and is responsible for providing high-level installation, configuration, management and troubleshooting of LAN/WAN/WLAN communication equipment for networked facilities.

Advises and consults with government staff, agencies and Contractor representatives involved with LAN/WAN/WLAN design, network implementation and network management to ensure the LAN/WAN/WLAN adequately supports the MHS mission and provides optimal performance. Interfaces with and leads Network Engineers and internal or external organizations to resolve LAN/WAN/WLAN issues.

Provides recommendations to personnel in the field by making either a change to network level operations or an enhancement to the network (tuning or upgrade). Studies vendor products to determine which components and configurations best meet the requirements of DoD and MTFs in the Pacific region. Establishes and implements LAN/WAN procedures and standards to ensure compliance with DoD and Pacific Regional Command objectives and policies. Communicates with key customers on the status of all network support requests.

Network Devices: Cisco 720x VXR, 6807XL, 6509-E, 3845, 290x, 26xx, 4507x, 3850, 3750x, 3560x, Nexus5010, 1000, Juniper SSG-520, SSG-140, SSG-20, SA-4000, Brocade C2404CF, MRV LX, Aruba 6000,

Security devices: Cisco ASA 5550, McAfee1-2700, Nitro, Palo Alto PA-2050, ForeScout,

Technologies: BGP, OSPF, IP SLA, QoS, DHCP, VSS, WAAS, DSAN, VoIP, VTC, Wireless,

Solutions: MED-COI, MHS NMS, CHCS, AHLTA, Fuji, Solarwinds, Cacti, What’s up gold, CounterAct, Cisco ACS, Spectrum.

Anteon- General Dynamic Information Technology 2006 to 2014 Seoul, Korea

Principle Network Engineer

Operate and Maintain for two major United States Forces Korea networks, CENTRIX-K (ROK/US Combined Forces Command) and GCCS-J (US only), which are support for 8th Army, 19th ABN, 3rd MI, 501st MI, 7th AF, 2ID, CNFK, JADOCS, NES, PACOM, DISA, VTC, COP, SOCKOR, MARFORK, MARFOR-PAC, DEC-PAC, COIN, Multiple ROK component, etc and for more than 10,000 users.

Migrating legacy network to new architecture of ATM backbone network and two major networks in USFK involving migration of routing protocol, load balancing and major topology change.

Heavily involved in JIE Project, which is combining all REPRNET to Centrixs-K in Korean peninsula. It’s including 8th Army legacy RIPRnet, 2ID, COIN (Air Force), SOC-KOR, Marfo-K, etc.

Plan, test and implement advanced technology such as SAN, Data Center, NAC, Hub & Server-farm redundancy, MPLS VPN, TACACS, RADIUS, 802.1q, port security, DHCP, VLAN, MD5, IOS and Hardware upgrade.

Apply DISA STIG on all network devices and support security devices such as G2 Sidewinder, SecureVantage, PIX Firewall, IDS, Hercules, RETINA and CS-MARS.

Operate and maintain over 300 Cisco Nexus (2000, 5000, 7000 series), routers (2500, 2600, 2800, 2900, 3600, 7500, and 7600) and 400 switches (1900, 2900, 3550, 3750, 4500, and 6500) which are connected via ATM backbone switches (7400, 7200 and 3600)

Setup, maintain, troubleshooting LAN and WAN using OSPF, EIGRP, and BGP routing protocols and allocating two Class B IP address ranges.

Setup, implement and daily operate US military encryption devices like TACLANE (KG-175x), KG-250 (VINE) and SETERA (KG-235), huge support military COMMSEC folks for KIV-7 (1.5M serial circuit).

Keep monitoring and administrating network status with several tools such as Cisco NAM, CiscoWorks, Cisco ACS, HP OpenView, Solar Wins, CS-MARS, OP-Manager, etc.

Supported more than 200 Cisco IP phones using Cisco Call manager application and Gatekeeper.

Provide constant network knowledge training to network users, military soldiers, government employee, helpdesk, field service engineers (FSE), and junior network administrators.

NCI Information Systems Inc, 2005 Seoul, Korea

Senior Network System Administrator

Provided 24x7 network administration support for two major networks, GCCS-K(ROK & US forces) and GCCS-J(US only), in South Korea. The two networks are supporting various locations and more than 10,000 users.

Analyzed system, troubleshot network system, user requirements, and procedure to automate processing or to improve existing network system. Review network system capabilities, workflow, and scheduling limitations to determine if requested program or program change is possible within existing system.

Planed and prepared technical reports, memoranda, and instructional manuals as documentation of program development. Upgraded system and corrected errors to maintain system after implementation. Prepare workflow charts and diagrams to specify in detail operations to be performed by equipment and computer programs and operations to be performed by personnel in system.

Configured network STIG and implemented to make strong security prevention.

Supported two major exercises participating combined military forces between ROK and US every year in all network activities such as IP Phone, VTC, satellite communication, TACLANE(KG-175) Tunnels, SECTERA(KG-235) point-to-point, T1 circuit(via KIV-7), WEB Portal, multicasting, PVC circuit (via ATM).

Planed and implemented upgrading network devices more than 300 routers, 400 switches, 40 TACLANE, and 10 SECTERA. Also migrate two IP address ranges.

Generated and supported more than 200 RCR (projects inputs) and 600 trouble tickets.

Daily utilized monitoring tools- CiscoWorks, HPOV, Cisco ACS, MPRJ, CS-MARS, Sidewinder G2 Firewall, SecureVantage IDS, CallManager IP phones.

General Dynamics, 2003 - 2004 Seoul, Korea

Network Engineer/ RS3/I3MP

Upgraded Army unclassified network to more advanced infrastructure. Provided site survey, planning, testing, and implement 400 network equipments for more than 10,000 users.

Support operation and maintenance after implementation.

Supported providing network design, planning, testing, implementation, installation, configuration, integration and documentation to I3MP PM and customers (1st SIG BDE). Developed hardware, software, and resource cost estimates for project requirements.

Surveyed and evaluated performance needs and goals of LAN users, and recommend improvements to existing infrastructure. Prepare checklists and processes for LAN&WAN help desk.

Ensured LAN/WAN networking and Internet connectivity and data integrity, and maintain systems capacity and network performance; Diagnose and resolve complex LAN issues.

Leaded and coordinated close teamwork with Engineering, Operations, Customers, local Korean sub-contractors (utilized Korean language skill), and other government and program personnel.

Heavily experienced with various kinds of Foundry network devices: BigIron 4000/8000/15000, FastIron 400/800/1500, FastIron 4802, FastIron Edge Switch, ServerIron Plus 350/450/850, NetIron 400/800/1500, NetIron 4802, EdgeIron CF & G, HPOV, IronView.

US Army, 1999 - 2002 Fort Lewis, WA

Information Specialist

Primarily responsible to update personal data for soldiers in in/out process, reassignment, promotion, transition, BIDS, ID card, etc. Also responsible to input data, monitor, audit, maintain, back up, manage user accounts, troubleshoot SIDPERS2 based on UNIX system.

Processed daily more than 50 personal records with professional and timely manner for soldiers.

Provided automation skills for office desktop, applications, printer, copy machine, digital sender, fax machine, etc.

Assigned to plan, create, modify, design and maintain for USAG Web site.

Input more than 100 data to SIDRERS2 Unix boxes, two audit trails, two back up, two maintenance daily bases. Supported troubleshooting SIDPERS2 for other sections.

Trained 10- 20 soldiers per month how to make DD214, life insurance, and promotion accurately. Also train 10 soldiers per month how to maintain SIDPERS2 Unix system.

Training

Cisco Nexus Implementation Professional, 2013 Seoul, Korea

Cisco Live for Networkers at San Diego, 2012 San Diego, CA

Implementing Cisco MPLS, 2010 Seoul, Korea

Cisco Live conference, 2008 Johanesburg, South Africa

CCIE Voice Lecture, 2008 Seoul, Korea

Cisco Advanced Router and DISA STIG, 2007 CP Henry, Korea

Cisco Secure ACS course, 2007 Sanjose, CA

CISSP Training, 2007 Seoul, Korea

Secure Vantage IDS, 2006 Seoul, Korea

G2 Sidewinder Firewall course, 2005 Seoul, Korea

learningNsharing Inc 2004 Seoul, Korea

Cisco Certified Internet Expert – Senior Network Engineer Program

International Consortium of Technology Professionals (ICTP) 2003 Anaheim, CA

Network Consultant Program – Graduate Level Enterprise Network Program

NET10 Technologies (Working on MSCE course), 2002 Rancho Cucamonga, CA

Education

Clover Park Technical College 2001 Lakewood, WA

Web program master/developer intensive course

Pacific Union College 1997 Angwin, CA

Bachelor of Science – Liberal Arts

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