Browse Network Security job posts for project examples or post your job on Upwork for free!

Network Security Job Cost Overview

Typical total cost of Upwork Network Security projects based on completed and fixed-price jobs.

Upwork Network Security Jobs Completed Quarterly

On average, 107 Network Security projects are completed every quarter on Upwork.

107

Time to Complete Upwork Network Security Jobs

Time needed to complete a Network Security project on Upwork.

Average Network Security Freelancer Feedback Score

Network Security Upwork freelancers typically receive a client rating of 4.74.

4.74
Last updated: September 1, 2015
Clear all filters
  1. Nishant Chougule

    Nishant Chougule

    Expert Penetration Tester for web applications

    United Kingdom - Tests: 1

    Experience: 1. Penetration testing on a Client’s Website and on Fedora 14 Operating System. • Performed Risk assessment, control design on operating system, database, and the web server and control implementation (Hardening of OS, Database and Web server). • Capture the Flag Situation on the client’s website provided by the university by performing a full website Penetration testing. 2. Penetration testing on Metasploitable Linux virtual machine by using Backtrack5 r3. • Performing Penetration Testing on the target and a detailed report on the PT of functions such as : o Host enumeration, Service enumeration and fingerprinting, vulnerability scanning, vulnerability exploitation, and privilege escalation. 3. Implementing Information Security Management System (ISMS) on the Client provided by the university. • Developing an ISMS Scope, ISMS Policy, implementing Risk Assessment (RA) Methodology, RA report, Risk Treatment Plan, and Security Awareness Training program. 4. Performing Web application vulnerabilities on Webgoat (vulnerable) environment. 5. Performing System security vulnerabilities on vulnerable system provided by the University. 6. Solving Cryptography and PKI challenge provided by the University.

    $7.78 /hr
    0 hours
    0.00
  2. Dmitriy Tsvetkov

    Dmitriy Tsvetkov

    Linux and Network Administrator

    Russia - Tests: 4 - Portfolio: 2

    8+ years of experience in administration of dedicated and virtual servers powered by the different Linux and FreeBSD operating systems. I have worked with different IT companies for over eight years wherein I practiced my Telecommunications and IT skills. I have done some projects for designing of infrastructure from ground zero to ready systems. I can figure out fast the problem and find a solution for it. Also I have real-world experience in speeding up such web sites and even handling ddos-attack. Russian - native speaker. English - advanced level. Technologies: Linux (Debian, Ubuntu, CentOS, RedHat), FreeBSD ISPmanager, cPanel, Webmin, VestaCP Iptables/Netfilter, IPCop Firewall, ipfw VPN systems, OpenVPN Nginx, Apache, Squid proxy Bind9 MySQL,PostgreSQL,SQLite Exim, Postfix, Dovecot Asterisk, FreePBX, Elastix System Backup and Restore automatization Zabbix, Cacti Amazon AWS (EC2, S3, SES, SNS) Mac OS x 10.6-10.10 Help Desk and support [level 3 only]

    $8.00 /hr
    0 hours
    0.00
  3. Vycheslav Novak

    Linux/Unix/Network Admin with bash, python scripting skills

    Ukraine - Tests: 3 - Portfolio: 1

    - Administration and solid knowledge and background of Unix/Linux systems ( CLI ): Ubuntu, CentOS, ArchLinux, Debian, Solaris, Red Hat: - sed/awk - LFS ( Linux from scratch ) - deep understanding of Linux Memory Management concept - hardware maintenance, troubleshooting (iostat, top, vmstat, iotop, strace ), configuration - regexp - iptables - PAM - grub loader - linux tools ( tcpdump, rsync, scp, tar, strace, semanage, chcon ) - Knowledge of Linux SELinux security system - Linux FTP setup for production use ( proftpd ) - NetApp SAN administration - Configuration Management Tools ( Puppet ) - Solaris experience ( Solaris 8/10 ) - Strong knowledge Client-Server architecture ( Apache Web Server with thin configuration ) - Experience in set up and administration of mail-server: exim + dovecot + postfix + RoundCubeMail - Experience in use and configure VPN-networks (OpenVPN) - Performance tuning Apache HTTPD ( prefork/workers for high-load systems ) - Building High-availability/Cluster Environment for Production Systems ( httpd + mod_jk + tomcat(ajp_connector ) + clustering ) - Apache Clustering Configuration ( Dynamic/Static Clustering with Session Sharing; Performance tuning ) - Solid understanding of LVM concept and file systems (ext3, ext4, NFS, NTFS, FAT32 ) - Solid understating RAID concept - Proficiency in the virtualization concept and technologies (XEN, KVM, Solaris zones ) - Multi-Factor Authentication system development ( OpenOTP, TOTP ) - Strong shell scripting ( bash, ksh, python ) - JIRA and Confluence, Redmine experience - Administration Windows Servers: 2003/2008/2012 R2, Windows NT ( XP, 7, 8 ), Active Directory - Deep knowledge of the units: Cryptography Computer networks (LAN, WAN, MPLS, PPPoE, PPTP) Knowledge of VPN technologies (OpenVPN, IPSec) Network protocols (IP, TCP, UDP, PPP, ARP, ICMP, RIP, OSPF, SMTP, POP3, VLAN, SSL, DHCP, NAT) OSI model Domain Name System (DNS) LDAP Clustering Load Balancing Strong understanding of network setup, layers, configuration and facilities (port forwarding, DMZ, virtual server) - Administration and configuration network hardware switches/routers D-Link (VLAN, LACP, ACL, VRRP), FortiNet (Fortigate 80c, 60c), Cisco Catalyst ( 3750-x, 2960s), HP A5210 SI, Checkpoint R75.20/Gaia/R77 - QoS ( MQC, DSCP, CoS, ToS ) - Knowledge of Cisco IOS - Building Nagios Monitoring System ( mrtg, pnp4nagios, SNMP monitoring ) - Experience with NAS, SAN or iSCSI storage systems - Experience in Datacenter migration - Experience in virtualization system VMWare ESX - Experience in Citrix Systems - Dell Hardware Servers ( PowerEdge R710, R520, R320, R720, EqualLogic PS6210XS, SAN N4032F ) - Juniper switches OS experience ( EX4200 ) - Strong performance management, problem identification, analytical and problem-solving skills - Develop Production services monitoring Dashboard on Ruby/JS/coffeescript - Python programming language - Basic experience in SQL language ( MySQL ) - Creating application with using Python, CGI, shell scripting - Optimization and improvement of processes - 24x7 Production Servers/Applications support and maintenance - Perform deployments to QA & PROD environments Successfully completed projects: DataCenter Migration Migrate all production servers and environment to new DC, including building/deployment from scratch in new DC. Completed in short time and with minimal downtime of business application. Building Physical Infrastructure for Production systems Planning, developing, devising infrastructure for Production systems. Including enterprise requirements: redundancy, high availability, clustering, risk mitigations. 3. MultiFactor Authentication for servers Developed, created, implemented system for secure two factor authentication for all users across all Linux servers based on WebADM OpenOTP library.

    $15.00 /hr
    0 hours
    0.00
  4. Philip Rey Bautista

    Philip Rey Bautista

    Network Security Engineer

    Philippines - Tests: 3

    I have been working as a technical support engineer especialized in security and optimization solutions. Knowledgeable of network protocols, firewalls, VPN, UTM, and routing and switching. I am also a man fond of programming, keen on even little details and extends his imagination on every task assigned. Fortinet Firewall is my forte from fresh-from-the-box configuration until maintenance and management. Aside from networking, I also excel when it comes to writing, blogposting, translation of English to Filipino and vice versa, creative writing as well as news writing. Research is also one of my forte. From reading books to web research just to get the info I and my clients need. I see to it that everything is on the desk before due dates and time frames. I also do data-entry and transcription jobs. From being excellent on msword, microsoft excel and being a fast typer with an average of 70wpm, I finish the jobs way before the due dates. I look forward to working with you, and rest assured you won't regret it. :)

    $11.11 /hr
    2 hours
    5.00
  5. Harshpal B.

    Harshpal B.

    Network and Security Expert

    India - Tests: 1 - Portfolio: 1

    • Technically sophisticated, qualified CCSA, F5 ,Radware ,Bluecoat Certified Network Security professional with a deep passion and high energy level offering over 7.5 yrs. of insightful experience in Systems Administration, Infrastructure designing, Managing and administering complex Network Architecture, Networking Operations and Troubleshooting. • Experienced in designing and deploying Network Proxies, Server load balancer, SSL off loader, link load balancer, WAN accelerator Network Monitoring and Analyses Systems, Network Firewalls. • Exposure to troubleshooting Level 3 escalation on Server load balancer ,link load balancer ,Network Proxies and Network Firewalls ---------------------------------------------- PRIMARY SKILL: • Checkpoint with Nokia ,Secure platform ,GAIA and windows • Cisco router switch and firewall • VMware ESXI • F5 LTM • Radware SLB LLB and IPS • Riverbed WANX • Websense • Ironport Mail Security • IPS • Websence Web Security • Symatech Web Gateway • CISCO Switches -------------------------------------------

    $17.00 /hr
    9 hours
    0.00
  6. Neeraj K.

    Neeraj K.

    Network and Security Engineer

    India - Tests: 4

    A result-driven IT professional with extensive experience in the engineering, administration and support of information systems. Expertise in the Implementation, analysis, optimization, troubleshooting and documentation of LAN/WAN network system. Proven ability to lead and motivate project teams to ensure success. Track record for diagnosing complex problems and consistently delivering effective solutions.

    $10.00 /hr
    0 hours
    0.00
  7. Imran Khan

    Imran Khan

    Network&Security Engineer CCIE44212

    Pakistan - Tests: 3 - Portfolio: 3

    CCIE Certified: CCIE#44212 Highly motivated individual with more than 5 Years of Experience as a NETWORK ENGINEER in an Enterprise Networking & Customer relationship. Worked on Multi-vendor high-end Platforms devices in professional environment of excellent analytical and Trouble-shooting skills. • Good hands on configuring and Managing CISCO Routers, Switches, Firewalls. • Ability to take and assume complete responsibility for all actions in timely manner to meet deadlines. • Ensuring Maximum possible service availability, performance and reporting of issue while minimizing downtime and providing proactive service which gives maximum continuity. • Demonstrated strengths in client relationship development and task management across multiple functions

    $35.00 /hr
    0 hours
    0.00
  8. Rajesh Singh

    Rajesh Singh

    Network and Security Engineer

    India - Tests: 2 - Portfolio: 1

    7 + years of experience in Core Network and Security.CCNP Certified Network-security planning and project delivery across globe for medium to large organization.

    $22.50 /hr
    0 hours
    0.00