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Linux System Administration Jobs

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Hourly - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
Work on new and existing Drupal based sites. We build high quality, usable interfaces and advertising. Only candidates with the following qualifications will be considered: - At least 7 years of hands-on, advanced PHP development, including object-oriented PHP. - At least 4 years of hands-on Drupal module development experience in a professional environment. - Experience working on highly trafficked websites, including performance optimization and designing caching strategies.. Key Responsibilities: - Develop and enhance custom Drupal modules, adhering to community and company best practices, demonstrating innate understanding of the Drupal API. - Work within an agile methodology, interpreting stakeholders' user stories and distilling them into technical tasks. - Brainstorm ideas, do research, remain current with industry trends and best practices, investigate and present options, and collaborate with colleagues on continuously developing solutions for the MSLO brands in...

Hourly - Est. Time: More than 6 months, 10-30 hrs/week - Posted
We need a part-time systems administrator to manage our ubuntu LTS servers (4 or 5 servers). This work has previously been done by our developers in house who remain our emergency backup so as far as possible the work should be done using the same tools and techniques. Work includes managing security updates, configuring new servers as required and installing new software as required, ensuring backups all working and son. We use - LXC - Postgres / Postgis 9.3 & 9.4 - Zabbix - Nginx - LDAP (open Ldap, replicating) - UFW firewall - Geoserver - Managing DNS (godaddy) - Geoserver - Mapnik (in future) - MySql - Xwiki We will need postgres replication and some point in the not too distant future. Some knowledge of the GIS servers useful. Application type work will include installation of in-house software and set up of specific databases. We expect workload to vary between an hour a week and a day or so when configuring new servers. For control purposes all installation...

Fixed-Price - Est. Budget: $ 120 Posted
The site works for some content, on www.tanhive.co.uk but there are a few problems that need validating and sorting out, and you must be very strong with this mix of technologies to ensure everything works together. Centos 7/ LEMP/ SSL (Global Sign certificate installed), Varnish/Nginx/Magento/PhP/mariadb Immediate problems are: Installing PHPMYADMIN is problematic, please install and get it working. Developers complain that updates they are making to the site are not being reflected in the site (CSS files amongst others). Magento isn't sending out mails like it used to when for example there is a user account password reset. Document the setup so I know how NGINX, Varnish,SSL etc. are all working together. Get the mail server setup (postfix/dovecote/other...) Get SFTP setup for both domains to enable developers to upload their releases: dev.tanhive.co.uk and tanhive.co.uk The domain dev.tanhive.co.uk is not working, it needs setting up. The Cookie message installed on Magento...

Hourly - Est. Time: More than 6 months, 30+ hrs/week - Posted
Job Summary: The Server Admin will review IT publications and online materials to remain up-to-date with current and future technologies emerging in the industry. Key Responsibilities and Duties: • Designing and implementation at the network level: WAN and LAN connectivity, routers, firewalls, and security, Cisco routers • Design and implement hosted and cloud solutions for customers using technologies that meet their requirements • Design and implement disaster recovery solutions • IT support relating to issues with the internal systems and network infrastructure • Support services for Microsoft related technologies: Windows Server, AD, Exchange, SQL, SharePoint, etc. • Support services for virtualization technologies: VMware, and Microsoft • Remote access solution support: VPN, Terminal Services, • Administration and maintenance of the remote monitoring and management system, Labtech: update agent scripts, respond to alerts, monitor dashboard, and periodic system review •...

Hourly - Est. Time: More than 6 months, Less than 10 hrs/week - Posted
I am looking for someone to set up Bicom single tenant, We have many installs and would like for you to get a build sheet form a sales person and then build the PBX to the customer’s needs. Then also help with the remote install if needed. Knowledge with Pfsense is a plus. Networking and firewall

Fixed-Price - Est. Budget: $ 100 Posted
Hi, i have a list of logos and i have a list of websites which contain that logos, i want a script which finds out the position of the logo on the website. to the script i pass the website url and the logo url and it tells me the xy position of the website. can be a python script or sthg similar

Fixed-Price - Est. Budget: $ 200 Posted
I have two content heavy DNN websites which use the DNN Article add in to provide a tag cloud, article catalogue and article sliders The site is heavy and runs slow on an Arvixe server I am considering buying my own server and hosting the websites myself but do NOT have the technical knowledge to do this I am looking for someone who can advise me on the hardware, operating system and standard software specification, configure the server, install the websites and get the sites up and running Thereafter I would require them to give me instruction with regard to the administration and maintenance of the installation

Hourly - Est. Time: More than 6 months, 10-30 hrs/week - Posted
We are looking for an Expert in Linux Security Penetration Testing. Someone who is considered a GURU in this field and with strong passion for technology and desire of perfection. Skills Required: 1. Penetration Testing (Network/Web Applications) 2. Linux Security 3. Web-Servers 4. Ethical Hacking 5. Vulnerability Assessment 6. Forensics Investigations 7. Node.js Candidate must also be able to deliver according to the current industry standards and best methodologies (OWASP TOP 10, SANS TOP 25, CWE, OSSTMM, PTES etc.). This is going to be a long-term position in the company. After project is launched, you will remain as our Security Consultant. We are looking for serious candidates only. You must include the word "GURU" on the first sentence of your cover letter to prove that you have read this entire posting. Otherwise, your application will not be considered. In your application, please also include the following information: 1. List of skills that are relevant...