You've landed at the right place. oDesk is now Upwork. Learn about the new platform.

Network Administration Jobs

155 were found based on your criteria

show all
show all
only
only
only
show all
only
only
only
only
only
show all
only
only
only
Hourly - Est. Time: More than 6 months, 10-30 hrs/week - Posted
We require a system administrator with network administration skills for our Amazon Web Services (AWS) account(s). Responsible for ongoing administration, maintenance, monitoring and troubleshooting of our AWS EC2, S3, RDS, VPC, VPN, and Route53 DNS resources. Should be experienced with setup of load-balanced EC2 instances.
Hourly - Est. Time: 1 to 3 months, 30+ hrs/week - Posted
Must be located in North America, Atlanta Georgia. KEY RESPONSIBILITIES: · Perform vulnerability assessments and attack and penetration tests assessments in internet, intranet, and wireless environments · Perform scanning and discovery for open ports and services · Exploit identified vulnerabilities to gain access and expand access as appropriate. · Participate in activities involving application penetration testing and application source code review. · Interact with the client as required throughout the engagement. · Produce reports documenting discoveries during the engagement. · Debrief the client at the conclusion of each engagement. · Participate in research and provide recommendations for continuous improvement. Excellent presentation, oral and written with analytical skills.
Hourly - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
I am looking for someone who knows linux as well as mail delivery. I have hire 2 persons to fix my problem and its still now fixed. Let me explain. I had someone set up a droplet on digitalocean for me that was hosting my websites and it apparently had some security issues so it was sending out alot of spam with out my knowledge. Digitalocean block my smtp and google blocked my ip address completely. I hired someone to fix this as i wanted my email signup and notifications from my website reach my inbox as well as the subscribers. After going through this back and forth and my smtp port being opened again my mail still cannot reach google. I wanted the ip address changed since i though this would solve the problem and i was told it was but still no results. I was told that the dns setting has to point to a new mail server that was created..... all in all i didn't pay for a mail server so that i would have the same problem and i am trying of hiring free lancers who say they can do a job...
Fixed-Price - Est. Budget: $ 300 Posted
I am looking for someone to compile a list of features within Open-WRT for 3 TP-Link routers. We run a router based filtering DNS system and need to revamp the features that are offered. This project will also include -GUI Re-branding to reflect our company -Making sure Standard features of the advertised router work (ie usb functionality, wps buttons, ect) -Implementing Default settings settings such as DNS servers, DNSMasq lines to ensure that other DNS server requests are prohibited, Firewall settings to ensure that other Attempted DNS requests are redirected to Default -A transparent proxy to redirect traffic for certain search engines such as Bing.com to enforce Safety-Mode (possibly for device monitoring if possible) -A two user system with a limited user by default that can access basic settings such as SSID changing and password changing and some other features. The admin user requiring a login/password that controls the DNS, Firewall, DDNS, and other settings....
Hourly - Est. Time: More than 6 months, 30+ hrs/week - Posted
Considering the servers are being opened up to new developers and regular maintenance and security operations are handled without best practices on a regular basis, we would a candidate to consider contracting us to be responsible to perform these tasks. We propose the following be performed weekly: User administration (setup and maintaining accounts, Password and identity management) Maintaining system (maintain disk space, check error logs etc.) Verify that applications are updated and are working properly Quickly arrange repair for hardware in occasion of hardware failure Monitor system performance Create and monitor file systems Install new software Update and monitor backup and recover procedures and policies Monitor network communications Update system as soon as new versions of OS packages are released Implement the policies for the use of the computer system and network Setup security policies for users (e.g. firewalls and intrusion detection systems) Monitor...
Hourly - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Configure QoS on switch Dell 2427 and 7024 Our phones are SIP and we need to prioritize this protocol also on the internal network, since at times our network is has a very high traffic, generating perforations in bonds, both domestic ... So we need to identify the packets and prioritizes them, thus avoiding any kind of perforation or noise. The work should include: 1. Set packet monitoring tool, to be presented before and after, or any kind of tool that presents what is being prioritized in equipment; 2. Configure the switch with the prioritization of SIP; 3. tests proving that prioritization; We emphasize that the equipment is isolated, it is possible configurations and tests required, access is via team view and at the end is required step by step so that we can replicate in other equipment.
Hourly - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Configure QoS on the switch Avaya 4526T. Our phones are SIP and we need to prioritize this protocol also on the internal network, since at times our network is has a very high traffic, generating perforations in bonds, both domestic ... So we need to identify the packets and prioritizes them, thus avoiding any kind of perforation or noise. The work should include: 1. Set packet monitoring tool, to be presented before and after, or any kind of tool that presents what is being prioritized in equipment; 2. Configure the switch with the prioritization of SIP; 3. tests proving that prioritization; We emphasize that the equipment is isolated, it is possible configurations and tests required, access is via team view and at the end is required step by step so that we can replicate in other equipment.