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IPsec Upwork freelancers typically receive a client rating of 4.17.

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Last updated: August 1, 2015
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  1. Hoang Vu NGUYEN

    Hoang Vu NGUYEN Agency Contractor

    Network Expert (Cisco CCIE RS, Security)

    France - Last active: 2 days ago - Tests: 5 - Portfolio: 1

    I am a network consultant/engineer with more than 15 years experiences and a Cisco CCIE in RS/Security, Fortinet Expert, Wireshark Expert for Network Audit. I'm working as independent network consultant/expert for some large Enterprise/ISP in France and Europe. During my years of experience as an network engineer I have developed deep active knowledge of following technologies: Routing and switching: Dynamic routing protocols (BGP, OSPF, EIGRP, RIP) L2 protocols (STP, RPVST+, MST, CDP, VTP, LLDP) WAN infrastructure (DMVPN, MPLS L2, MPLS L3, WAN optimalization) IPv6 Transition Cisco Nexus QoS Security: Firewalling (Cisco ASA, Cisco PIX, Sonicwall, Juniper SSG, Fortinet) VPN (Multi-vendor IPSec, L2L, Remote access, DMVPN) IPS ( Cisco IPS) Identity services (802.1x, TrustSec) OTN: CWDM DWDM (ADVA, Alcatel-Lucent) I'm looking for miscellaneous work in network design, implementation, and/or troubleshooting up to 30 hours/week. I am available on weekdays during US working hours and also on weekend. I offer services from planning, through implementation up to acceptance testing stages. I work only remotely (SSH/RDP/VPN/Team viewer). My goal is to solve issues at hand quickly, precisely and without any delays. For your contact, my Skype ID is VULEVY (Hoang Vu NGUYEN / FRANCE)

    Associated with: NETSOLUTION

    $49.99 /hr
    281 hours
    4.89
  2. Stamatis Kekes

    Stamatis Kekes

    Senior system administrator and PHP - C - Perl developer

    Greece - Last active: 1 day ago - Tests: 11 - Portfolio: 2

    Very skilled Unix system administrator, with lot of experience in Linux ( Centos, Redhat, Fedora, Ubuntu, Debian, Gentoo, Slackware ), Solaris, xBSD ( FreeBSD, OpenBSD), vpn ( openswan - ipsec, openvpn, l2tp, pptp ), clustering ( LInux Virtual Server, Linux HA, vrrp, Solaris Cluster ), cloud computing, load balancing ( f5, haproxy ), VoIP ( asterisk ), databases ( MySQL, PostgreSQL), LDAP, web services ( Apache, Nginx, varnish ), security ( penetration testing, firewall policy design ), control panels ( CPanel, Plesk, Virtualmin, Ensim ), Virtualization ( VMWare Virtual infrastructure - VSphere, amazon EC2 ). As for Developing I am very experienced in C, PHP, Perl, javascript, ajax and many more to list.

    $16.67 /hr
    1,743 hours
    4.64
  3. Ghan shyam R.

    Ghan shyam R.

    Network Engineer - Juniper | Cisco | Fortinet Expert

    Nepal - Last active: 2 days ago - Tests: 4 - Portfolio: 2

    Over 6+ years of experience as a NOC Network Engineer, I have developed in-depth active Skill & knowledge on following products & technologies. Skills on Products; Juniper - Netscreen, SSG, ISG, JUNOS, SRX, EX, J, MAG, MX Series, NSM Cisco - RV, SMB - Switches and Routers, IOS - Routers, Catalyst-Switches, ASA Series Fortinet - Entry Level, Mid & High Range Firewall/VPN/NGFW/UTM-Gateway Other Products: AWS, SonicWall, Dell, HP, Mikrotik, Extreme Network- Router and Switches, Skills on Technologies: TCP/IP, IPv4, IPv6, Static Routing, EIGRP, OSPF, BGP, MPLS, Redistribution,NAT, Load Balancing, COS. QOS, VLANs, Trunking,QinQ, STP, RSTP, MSTP, VTP, GVRP, HSRP, VRRP, GLBP, SIP, Stacking, Virtual Chassis (VC), High Availability (HA), VPN- IPSEC, Remote Access, Web Filtering, IPS, IDS, Anti-Virus, Anti-Spam, SNMP, Access Control, Jflow, Netflow, Sflow Monitoring, AWS VPC. In addition to above, I have also good knowledge of Red-hat & Windows. I love to work remotely via SSH, RDP, VPN, Team-viewer and I can adjust to any time-zone needs. |**********Professional Certification in Juniper and Cisco**********| | Cisco - CCNP-R/CCNA | | Juniper - JNCIP-SEC/JNCIS-SEC/JNCIS-ENT/JNCIA-JUNOS | | Juniper Authorized Design Specialist- DC/Campus/Branch | *************************************************************************** Linkedin http://np.linkedin.com/in/ghanshyamraut/ Blog http://www.gsraut.com.np

    $50.00 /hr
    262 hours
    4.94
  4. Andrew O.

    Andrew O.

    System Administrator/AWS Administrator/Architect/IT Security Expert

    Thailand - Last active: 1 day ago - Tests: 8

    Security-driven information security Architect/Professional with expertise in directing all aspects of highly technical multimillion dollar projects. With more than 7 years of expertise in a secure system implementation my skills oriented to accomplish tasks with the best security practices and rules. I am effective in defining breakthrough technology options based on organizational standards, security policy and strategic needs of the organization. 1. OS Administration: - Unix-like expert - RedHat/CentOS/Fedora; Debian/Ubuntu; Linux embedded etc. Linux security: fw, ids, integrity, encryption, SElinux etc; security hardening according best practices; software and tools, needed for enumeration, penetration testing and monitoring of corporate security regulations. Experienced in troubleshooting. - MS Windows expert - XP,7,8,Server 2003/2008/2012 - AD DS, AD CS, APP server, IIS, DNS, DHCP, Terminal Services, Print Services, File Services, Hyper-V. Windows security and performance. Experienced in troubleshooting. 2. Database administration: - Oracle 11g, MySQL, MS SQL. Good knowledge of SQL. 3. Cloud Infrastructure: - VMware Vsphere, ESX, ESXi; Rackspace, Amazon AWS expert. - Knowledge of servers hardware and desktops. 4. Information security software and hardware: - StoneGate FW/VPN, StoneGate IPS, StoneGate VPN/SSL. - Checkpoint FW/VPN, Checkpoint IDS/IPS. - Imperva WAF, Imperva DBS. - Websense WSG, Websense WES (Email Security). - Bluecoat SG+AV. - Symantec EP, Mcafee ePolicy, Kaspersky and others. - Cisco switches and routers (CCNA+p level). - Vyatta FW/VPN. - Splunk Enterprise, OSSEC, Nagios, MRTG, device lock and etc 5. Programming: - Python, Bash shell scripting, PHP. Windows batch scripting. Good knowledge of regular expressions. 6. PenTest ing (penetration testing, vulnerability assessment) and diagnosis. - knowledge and practical experience in vulnerability/misconfiguration assessments of network devices and server setups. Experienced with many audit and vulnerability scanners. Network and security troubleshooting. Manual assessments and code review. Static code analysis. - OWASP TOP 10 testing. Secure SDLC. 7. Standards: ISO/IEC 2700x, HIPAA, PCI DSS. CIS, SANS best practices. 8. Others: - MS Office (including MS Visio and MS Project). - Different CRMs, CMSs, helpdesk systems (Wordpress, Drupal, Jira, etc) Good knowledge in the areas: cloud security and system hardening; network and security design; data leakage and covert channels prevention; secure systems development life-cycle, business continuity; risk assessment; social engineering; ddos and malware disease mitigation; spam and AV protection. Extensive experience in project implementation. Experience in scheduling, setting goals and objectives in the shortest possible time. Record keeping. Tags, skills,technologies, services: linux, redhat, suse linux, debian, ubuntu, android, fedora, windows 8, windows 7, windows server 2003, windows server 2003 R2, windows server 2008, windows server 2008 R2, windows server 2012, windows server 2012 R2, active directory, group policy, terminal services, print services, certification authority, dns server, wins server, dhcp server, firewall, iptables, openvpn, strongswan, ipsec, ike, ikev1, ikev2, security association, network address translation, routing, cisco, cisco 2960, cisco 3750, crontab, aide, selinux, ossec, ids, ips, hids, intrusion detection system, intrusion prevention system, snort, nmap, vulnerability assessment, vulnerability scanning, penetration testing, pentesting, penetration test, owasp scanning, owasp assessment, secure SDLC, IIS, network file system, raid, hyper-v, mysql, postgre sql, VMware Vsphere, vmware esx, vshield, vmotion, rackspace, linode, godaddy, hetzner, burstnet, bluehost, leaseweb, aws, amazon web services, amazon ec2, amazon ebs, amazon rds, amazon vpc, amazon s3, amazon glacier, amazon route53, amazon elb, amazon elastic load balancer, amazon cloudwatch, amazon auto scaling, amazon workspaces, amazon efs, amazon cloudfront, amazon elastic file system, amazon cloudtrail, amazon iam, amazon directory service, amazon trusted advisor, amazon sqs, amazon ses, amazon sns, stonegate, stonesoft, checkpoint, imperva, websense, bluecoat, symantec endpoint protection, mcafee, mcafee epolicy, Vyatta firewall, vyatta vpn, Kaspersky, splunk, nagios, MRTG, bash shell scripting, ssl, tls, apache, haproxy, nginx, compliance, pci dss, saq d, saq d v3, cpanel, whmcs, whm, migration, replication, rsync, tcpdump, wireshark, stp, rstp, eigrp, ospf, nmap, kali linux, white hacking, backtrack, metasploit, whitehat, ethical hacking, certification, ceh, ccna, ccnp, oscp, security hardening, cis, sans, CISSP, google cloud, microsoft azure, google compute engine, l2tp, pptp, sstp, softether offensive security, owasp, burpsuite, sqlmap, static code analysis, code review, network planning, dmz, failover, load balancing, clustering, ddos mitigation, backup, data restore, monitoring, antivirus.

    $29.63 /hr
    1,490 hours
    4.65
  5. Mkhitar Mirumyan

    Mkhitar Mirumyan

    Network and System Adminstartor (RHEL/CentOS Linux, Debian/Ubuntu)

    Armenia - Last active: 1 month ago - Tests: 5

    Personal Data Born date: 19 June 1976: 1a quarter, 2 building, 52 apartment, Charentsavan, Kotayq region, Armenia, 378562 Phone: (+37493)190611 E-mail : mkhitar@gmail.com Education: June 2002. Have completed PhD Thesis at Yerevan Physics Institute and have degree of Doctor of Physics. Oct.1998. oct.2001. PhD student of Theoretical Physics Department at Yerevan Physics Institute. Sept.1993. June 1998Ã. Yerevan State University, Theoretical Physics Department Scientific workshops: 15.08.2002-21.08.2002 UNESCO workshop: “Integrablility in QFT and Quantum Statistics” (Tbilisi, Georgia) 02.06.2003 - 10.06.2003 Summer school on mathematics in string and field theory at ICTP (Trieste, Italy) Work experience: December 13 2010 – to present Head of IT Administrators Group Network and system administrator Linux (CentOS) an d Windows 2008 Based corporate network ( Active Directory, Gateway, VPN server (ipsec from Linux to Cissco, Linux-Linux via ipsec and pptp), Apache, MySQL Database Administration, Mail, FTP and SFT Servers, Linux based SMS Gatway (kannel), basics of traffic shaping, Proxy Server ( Squid, Kerio, Traffic Inspector) iptables ). ACRA Credit Reporting Bureau October 2001 – to present Scientific researcher: Yerevan Physics Institute, Theoretical Physics Department February 2010 – June 2010: Network and System Administrator, Technical Support for billing system customers “Zang Telecom” LLC Monitoring corporate network (Windows Active Directory, company mail server, proxy server, DNS server (FreeBSD based). Network containing amount 10 computers, mail server, NAT (hardware and sofware based realesation of NAT, Cisco routers and smart switchs), hardware and software support. March 2009 – February 2010 Network and system Administrator Georisk LTD and IGS NSA RA Monitoring corporate network (Windows Active Directory, company mail server, proxy server, DNS server, FreeBSD7.0 based proxy and DNS server ). Purchase hardware for company, do technical support for company employers. Network containing amount 80 computers, DNS, mail and Proxy servers, NAT, IT security, hardware and software support. FreeBSD 7.0 based gateway. 03.05.07 - 01.11.2007 Converse Bank CJSC Charentsavan branch as loan officer 01.12.06 - 01.05.2007 "AMC" LTD Administrator of the FreeBSD 4.0 based web hosting server (Appache) 15.05.2006-15.09.2006 “Ponte Solutions” LTD as physicist researcher (in the cool plasma physics area associated with plasma etching and plasma chemistry questions) 12.2004 - 06.2005 Network Administrator (on SuSE 9.1 Linux machine) at Aghayants ev. Word. LTD 2000-2001 Leading specialist at the Software Provision Department at Emergency Management Administration at Government of Republic of Armenia Language Armenian and Russian (fluent) English (technical) Computer experience: MS Windows 2000,XP,7,8 MS Office 2000/XP/2007, AS-Bank 3.0, MS Windows 2000, 2003, 2008, 2012 Servers (basics of Active Directory), MS Office XP/2003,2007 Linux (Red Hat 7.3, 8.0, 9.0, Redhat EL 4,5,6 Fedora Core 4-18 CentOS 5.x,6.x (advance), FreeBSD 4.5, 5.1, 6.0,7.0,7.2,7.3,8.0, Ubuntu/Debian), TCP/IP protocols, basics of programming with C++, (MS Visual Studio 6, 2005, 2008, Borland C++ Builder 6, C Builder X), knowledge of Linux/Unix servers (Squid, DNS, SSH servers, Apache, PostFix Sendmail, PF, Linux SHELL scripting, iptables, iproute2, tc, load balansing), wireless network, VoIP technlogicts and equipments, HPEM (Hybrid plasma equipment model), MCFP (Monte-Carlo feature profile model), PCMC (Plasma chemistry Monte-Carlo Simulation); Basic principles of CMOS designing. Scientific publications: 1 D. Arnaudon, D. Karakhanyan, M. Mirumyan, A. Sedrakyan and P. Sorba J.Phys. A: Math. Gen. 35 (2002) 2353-2359. 2 J. Ambjorn, D. Karakhanyan, M. Mirumyan and A. Sedrakyan Nucl. Phys. B 599 (2001) 547-560. 3. М. Мирумян "Модель Уймина-Лая-Сазерлэнда спина 3/2 в терминах фермионных операиоров рождения и уничтожения "Известия НАН Армении т.37, 4 (2002). 4. М. Мирумян «Фермионная модель Уймина-Лая-Сазерлэнда спина 1» Препринт ЕрФИ 1576(1) 2002. 5. D. Karakhanyan, R. Kirschner and M. Mirumyan Nucl.Phys. B636 (2002) 529-548; nlin.SI/0111032. 6. D. Arnaudon, D. Karakhanyan, M. Mirumyan, A. Sedrakyan, P. Sorba J.Phys. A35 (2002) 2353-2360.

    $16.67 /hr
    0 hours
    5.00
  6. Muhammed Elsharawy

    Muhammed Elsharawy

    CCIE#47864 || IP/MPLS Networks & Secuirty Specialist Expert

    Egypt - Last active: 27 days ago - Tests: 5

    Profile SUMMARY: ********************** - Experienced Networks Engineer CCIE SP V3.0 Certified and Have Expertise along with 7 years in Mobile Operators and Service Providers. - Strong Expertise in IP/MPLS Core/Backhaul/Access Network Design and Implementaions. - Expertise in LAN/WAN/MAN Network Solutions Design and Implementation for Voice/Vedio/Wireless Data Services "Triple Play Services". - Expertise in Network Security Solutions Designs to be High-Available,Stateful & Secured Through different LAN/WAN. Expertise Summary : ********************** - Working Expertise and extensive knowledge about [ IGP(OSPF,ISIS ,EIGRP,OSPFV3) & BGP Routing Protocols , different MPLS Applications (L3VPN,ATOM,MPLS TE,TE-FRR, VPLS ), L2 Protocols (STP,MS T,PVS TP,LAC P,Dot1q,..) , Variant QOS Mode l(Nested ,Hierarchical , Dynamic ) , Security Firewalls Mechanisms and intrusion prevention systems [ IPS /IDS ]. - Hands-on Experience on different Vendors & Products “Cisco, Juniper, Sourcefire”: - Cisco Routers (GSR12k, ASR9k, ASR1k, CRS, VXR7200, 76xx, 65xx, 2800, etc.) - Cisco L2, MLS Switches (C2960, 3700, 3650,384 5, 4500, etc.) - Cisco Firewall ASA 55xx, CSS 115xx (Loadbalancer), Cisco TACACS, ACS Servers. - Cisco Wireless LAN AP & Controllers (WLC 5500, 4400, etc.). - Juniper Switches (EX4200) & Firewalls (SRX, NetScreen, SSG, ISG) different series. - Sourcefire IPS /Firewall [DC 3500, 5.1.1] - Riverbed WAN Optimization 200 "Steelhead, CMC, MMC) - Experienced in Cisco Different IOS (XR, XE, Regular) - Juniper (Junos, screen OS) - Have Hands -On Experience in many network Tools: Cisco ANA 4.1.2, InfoVista, Netflow, CACTI. Technical Training and Certifications : *************************************** - Cisco Certified Internetwork Expert (CCIE SP v3.0). Status: Active - ID No. : 47864 - Juniper Network Certified Internet Specialist Security (JNCIS - Sec) - Cisco Certified Internet work Professional (CCIP) - Cisco Certified Network Professional (CCNP) - Juniper Networks Certified internet Associate (JNCIA - Junos) - Cisco Certified Network Associate (CCNA) - Cisco Certified Network Security Associate (CCNA Security) - Sourcefire Certified Professional (SFCP) - Cisco Certified Network Associate wireless (CCNA Wireless) - Riverbed WAN Optimization 200 Specialties: ************* - (IP/MPLS) Core Networks (Support, Implementing, Planning, Designing and Optimizing). - (LAN/WAN) Enterprise Networks Deployments. - Network Security Solutions (Support, Implementing, Planning &optimizing).

    $12.00 /hr
    0 hours
    4.99
  7. Matthew Ratliff

    Matthew Ratliff

    Network Infrastructure Support

    United States - Last active: 05/16/2013 - Tests: 3

    Below are my current skills I'm offering to clients. I have been working in Network Support since 2001. I currently hold several Cisco Systems certifications. No project is too large or too small. Current skills that I'm offering: -Cisco ASA5500 (8.2 and 8.3) series Firewall Support/Configuration -VPN Support/Configuration -Sonicwall Firewall Support/Configuration -Cisco Switch and Router Support/Configuration -Cisco Wireless LAN Controller Support/Configuration -Network design including documentation and visio drawing. -Network implementation phases approach documentation -Statement of work documentation.

    $44.44 /hr
    1 hours
    5.00
  8. Eitesam ahmad K.

    Eitesam ahmad K. Agency Contractor

    IT Infrastructure & Network Consultant, Solutions Architect, 15yrs exp

    Pakistan - Last active: 6 months ago - Tests: 3 - Portfolio: 3

    A result oriented IT infrastructure consultant with over 15 years of technical and managerial experience in the field of “Information and Communication Technology”, have worked with a wide range of principals like Dell, Cisco, HP, Digium, Oracle, Microsoft, IBM etc and have worked with various open source flavors of Linux and Unix. I have a distinguished track record in deploying and managing medium to large scale Internet and Telecom service provider networks, while participating in planning, analysis, implementation and operations phases. I stand out at providing comprehensive, cost effective, reliable and secure ICT / network solution and have hands-on experience leading all stages of system development processes, including requirements definition, design, budgeting, procurement, implementation, testing and support. I look forward to to work on a challenging IT Infrastructure project, which requires real out of the box ideas.

    Associated with: Vision Telecom

    $44.44 /hr
    0 hours
    5.00
  9. Khawaja asad latif S.

    Khawaja asad latif S.

    Network Security Engineer CCNP Routing Switching and Security

    Pakistan - Last active: 1 day ago - Tests: 8 - Portfolio: 5

    In last 5 years i have been working on variety of network products and have gained wide experience in Cisco,Juniper routers, switches and firewalls. i have been involved in design, configuration and troubleshooting of Network products. Routers: Cisco 2600 Cisco 2800 Cisco 3800 Juniper J Series Switches: Cisco Catalyst 2900 Cisco Catalyst 3500 Cisco Catalyst 3600 Cisco Catalyst 4500 HP 3500 HP 2500 Firewalls: Cisco ASA 5500 Series Juniper SSG Series Pfsense Zyxel Zywall USG Series WatchGuard XTM series Cisco RV Series Cisco PIX Cisco IPS 4200 Series

    $25.00 /hr
    379 hours
    4.97
  10. Samuel M.

    Samuel M.

    Linux/BSD/VoIP/Network Engineer

    France - Last active: 1 day ago - Tests: 6 - Portfolio: 4

    Graduated from EPITECH in 2011 (BS/CS bachelor). Spent 3 years patching FreeBSD and writing video-related tools for CamTrace S.A.S. The next 4 years as a sysadmin in Smile - OpenSource Solutions. Writing puppet modules and administrating my own OpenNebula cloud ever since. Contributed to projects such as ntfs-3g, ansible, pakiti3, newznab, dialog, linux-counter, ... I may help you dealing with: VoIP: Asterisk, FreePBX, Elastix, AsteriskNow, TrixBox, Security & Tuning Network Administration: Cisco, HP, Dell, GRE/GIF, IPSEC (racoon, openswan, isakmpd, iked), OpenVPN System Administration: Linux, BSD Network Monitoring & Management: Zabbix, Nagios, Icinga, Shinken Network Supervision: Munin, Collectd, MRTG, PHP-Weathermap, Pakiti, Kibana, Graylog, Logstash, OSSEC, rsyslog & syslog-ng Mail services: Postfix, Sendmail, OpenSMTPd, Exim, Dovecot, Courier, Cyrus, Spamassassin, OpenDKIM, BlueMind & Zimbra Virtualization: Qemu/KVM, OpenVZ, libvirt, Xen, vmware High availability: VRRP, CARP, ifstated, HAST, ceph Common services: DNS, DHCP, File Sharing, NAT, iptables, ipfw & pf Scripting & Languages: sh, bash, python, perl, php, javascript, nodejs, C, C++ DevOps: puppet, ansible Web caches: squid, varnish Web servers: Apache, Nginx, Lighttpd Database servers: MySQL, PostgreSQL, MariaDB, MongoDB, Redis, ActiveMQ, Elasticsearch, ...

    $30.00 /hr
    30 hours
    5.00