Skills Required for – System Administrator at Rackspace

Date: Jul 29, 2013

Location: Hayes, GB

Job Details

Linux Systems Administrators – Managed Hosting and Cloud – LINUXAD

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Job TitleLinux Systems Administrators – Managed Hosting and Cloud
Category Information Technology

Requisition Code

Location UK – Hayes – Hyde Park Hayes Hayes, UK
Education Technical/Specialised Training
Job Type Full-time
Travel Required 0
Job Description

Calling all Linux Professionals….

Being the World leader in Hosting requires a World leading team, and thats exactly what our rackers are. We’re extremely people focused and when you join Rackspace you’ll understand why its not just a job, its a way of life. We’re hugely proud of our ethos, and the fact that it has helped us consistently to achieve rapid growth and become the 15th best IT Services Company in the 2011 Sunday Times 100 Best Companies Awards.

We are looking for Linux Systems Administrators (at all levels) to join our teams and to continue to provide fanatical support to our customers.

A Systems Administrator is a key element in providing Fanatical support to our customers and is expected to provide a high level of professional care, technical support and customer service over the phone and in support tickets.

As a Systems Administrator you are expected to apply thorough problem-solving techniques, coupled with technical expertise to identify the source of the problem and own the issues through to resolution, whilst keeping the customer up-to-date and reassured with updates over the phone and ticketing system.

You will also give advice on best practices or potential pitfalls that you identify and suggest alternatives that may better serve the stability, security and performance of the customer’s solution.

Duties include:

– To provide the highest level of Technical support.
– Create and maintain customer loyalty by serving customers above and beyond their expectations
– Exercise judgment in decision making in order to routinely deliver FANATICAL support to customers.
– Take ownership of issues and seeing them through to resolution.
– Responsible for solving a customer’s technical issues
– Support customers over the phone and via tickets

Job Requirements

The successful candidate will have the following:

– General knowledge of Networking, Hardware, software, DNS
– Proficient in RedHat Linux (RHCE level)
– MySQL and Apache experience
– System services (i.e., Apache, Mail transfer agents (sendmail, postfix, qmail), FTP, SSH and PHP)
– Clustering experience
– Understand the purpose of Firewalls and Load Balancers, VPN and SSL technologies
– Excellent verbal and written skills
– Creative and collaborative team player
– Must be able to multi-task
– Ownership and follow-up skills
– The ability to respond effectively under pressure


– The drive to deliver outstanding customer service
– Willingness to learn and develop new skills
– Ability to troubleshoot and problem solve
– Excellent verbal and written skills
– Creative and collaborative team player
– Must be able to multi-task
– Ownership and follow-up skills
– The ability to respons effectively under pressure

Type of Job(-US Only) 0

LPIC-3 Preparation


It seems that lot of people are struggling to get prepared for LPIC-3 exam.

This is the info I found and hope you will it useful.

– IBM’s LPIC-3 tutorials
– LPIC-3 page
– LDAP System Administration book

OpenLDAP (about 75% of the exam) & Capacity planning

I will put more info once find any interesting.

Skills Needed for – Linux Operation Engineer – at Medidata

Linux Operations Engineer

Medidata Solutions – Hammersmith, United Kingdom (United Kingdom)

Job Description

The Linux Operations Engineer is responsible for hands-on implementation of infrastructure components and deployment tools for Medidata’s products. A Linux Operations Engineer is expected to participate in the planning and development of software products by participating in daily scrum meetings, and being part of the Agile methodology definition of “Done”.

Responsibility Overview:

  • Provide technical support and administration of Linux Servers with operational knowledge of Web/Application/Database servers in a Cloud computing environment
  • Support existing 24×7 web hosting operations – monitoring/alerting, backups, infrastructure deployment, application deployment, network security, management of hosted systems via automation and configuration management, developing custom solutions for public and/or private cloud infrastructure
  • Perform tier-2 escalation support of large-scale computer systems in a multi-server environment, with a focus on system administration of LINUX operating systems.
  • Manage all product and systems updates and patches and software releases
  • Assist with architecture of Systems operations, product functionality and customer deliverable
  • Provide diagnostic support and bug-fixing for existing product releases
  • Administer and maintain version control repositories
  • Participation in on-call (Tier 1 & 2) rotation supporting Medidata’s Global customers
  • Support global team of developers/engineers
  • Liaise with Software Quality Assurance, product managers and professionals services personnel who are developing new system functionality
  • Active contributor or independent author of technical documentation or training materials.Requirements:
    • Extensive experience as a Linux Systems Administrator /Engineer
    • Experience with web/application servers like TomCat, Nginx, Ruby on Rails
    • Good working knowledge of MySQL databases
    • Solid interpersonal and communication skills, both written and verbal
    • Ability to provide strategic vision for selection, implementation and support of technology solutions
    • Strong analytical and problem-solving abilities
    • Scripting (bash, ruby etc)
    • Ability to work in a 24×7 On Call rotation
    • Chef – we use Chef for configuration management and service orchestration.
    • Infrastructure/Application Monitoring experience
    • Experience deploying to and managing Amazon Web Services
    • Bachelor*s Degree in Computer Science or equivalent work experienceNice to have:
      • Technical support and administration of Windows Server, SQL Server, IIS is a Plus
      • Experience with Monitoring systems (NewRelic, Nagios)Linux, Apache, MySQL, PHP, Python, Perl

        The LAMP Engineer is responsible for hands-on implementation of infrastructure components and deployment tools for Medidata’s products. A LAMP Engineer is expected to participate in the planning and development of software products by participating in daily scrum meetings, and being part of the Agile methodology definition of “Done”.Responsibility Overview:●Provide diagnostic support and bug-fixing for existing product releases●Liaise with Software Quality Assurance, product manag…

Company Description

Medidata Solutions is a leading global provider of SaaS clinical development solutions that enhance the efficiency of customers’ clinical trials. Medidata’s advanced solutions lower the total cost of clinical development by optimizing clinical trials from concept to conclusion: from study and protocol design, trial planning and budgeting, site negotiation, clinical portal, trial management, randomization and trial supply management, clinical data capture and management, safety events capture, medical coding to business analytics. Our diverse life science customer base spans biopharmaceutical companies, medical device and diagnostic companies, academic and government institutions, CROs and other research organizations, and includes more than 20 of the top 25 global pharmaceutical companies as well as organizations of all sizes developing life-enhancing medical treatments and diagnostics.
The company was founded in 1999 and is based in New York with additional offices in the United States, the United Kingdom, and Japan.

Additional Information

August 13, 2013
Not Applicable
Computer Software, Information Technology and Services 
Employer Job ID:
Job ID:

Apply on Company Website

Skills Required for – Network Security Engineer Job – at RackSpace

Network Security Engineer Job

Date: Jul 30, 2013

Location: Hayes, GB

Job Details

Network Security Engineer – ADNETSEC

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Job TitleNetwork Security Engineer
Category Data Center Operations & Engineering

Requisition Code

Location UK – Hayes – Hyde Park Hayes Hayes, UK
Education Technical/Specialised Training
Job Type Full-time
Travel Required 0
Job Description

Looking for a new challenge and a rewarding career? Then, this could be an excellent opportunity for you with one of Europe’s “Top 100” companies to work for as a Network Security Engineer. If you would like to be part of a vibrant working culture, and feel you possess the skills and qualities we are looking for, send your CV in today for consideration!

The Network Security team is responsible for ensuring the confidentiality, availability and integrity of our customers’ critical infrastructure whilst providing industry leading Fanatical Support to both the customers and other segments of the business.The Network Security Engineer will be responsible for the EMEA customer base comprising in excess of 4000 customers employing a mixture of firewalled and load balanced solutions, some incorporating DR and HA solutions.

The Network Security Engineer will provide fanatical support to our customers and colleagues to ensure that new solutions are online within an agreed timescale and that new customer requests are dealt with quickly and efficiently. They will primarily be responsible for new device deployment and front line support, including customer calls, ticket requests and advice to other internal departments.

Job Requirements

Desired Skills & Experience


– Apply technical knowledge associated with the various devices and technologies used at Rackspace, which include but are not limited to Cisco ASA/PIX and CSS loadbalancers, VPN, DNS, Routing/Switching and IP’ing/Subnetting.
– Strong awareness of subnetting and CIDR
– Good knowledge of DNS (A records, CNAMES, MX records, Authority Section, TTL values.)
– Switching (Vlans, STP, trunking etc) and general networking
– Needs good understanding of IP routing, TCP/IP ports and services, different levels of the OSI model and exposure to operating systems (Windows server and Linux)
– Will also benefit from basic knowledge of firewalls (Pix/ASA), VPN, access lists and loadbalancing (CSS, F5, webmux)
– Can work in a mixed environment using GUI and command line operating systems
– CCNA essential/CCNA Security beneficial


– Will have the capability to work under pressure and prioritise tasks
– Commitment to see each request/issue through to completion, but can also identify when escalation is required.
– Possess the ability to both record and follow detailed instructions
– Ability and desire to work within a Team Driven environment and be responsible enough to work unsupervised
– Will have the desire to promote themselves and their team within the organization through working proactively with other departments to improve work processes and build relationships

Type of Job(-US Only) 0

Job Segments: Network Security, Network, Security, Engineer, Network Engineer, Technology, Engineering

Skills Required for – Cyber Security Manager – UK Job – at Rackspace

Cyber Security Manager – UK Job

Date: Aug 13, 2013

Location: Hayes, GB

Job DetailsCyber Security Manager – UK – 21421

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Job TitleCyber Security Manager – UK
Category Building Operations

Requisition Code

Location UK – Hayes – Hyde Park Hayes Hayes, UK
Education Bachelor’s Degree
Job Type Full-time
Travel Required 0
Job Description

The Cyber Security Manager for Rackspace International will oversee and coordinate logical security efforts across the organization in collaboration with other key stakeholders in the business. Responsibilities will include cross-functional management of the security responsibilities assigned to the following departments: Information Technology, Human Resources, Network Security, Support, Legal, and Facilities Management. In addition, this role will identify and operationalize security initiatives and standards that need to be applied to Rackspace,s operating environment, and be responsible for leading a team of Security Engineers.


– Responsible for security strategy and security initiatives aimed at safeguarding the company’s assets, intellectual property and computer systems
– Participates in business continuity planning, data loss prevention and fraud prevention
– Identifies security architecture, protection goals, objectives and metrics consistent with corporate strategic plan
– Manages the development and implementation of global security policy, standards, guidelines and procedures to ensure ongoing maintenance of security
– Oversees incident response planning as well as the investigation of security breaches, and assists with disciplinary and legal matters associated with such breaches as necessary
– Works with outside consultants as appropriate for independent security audits


– This position is responsible for managing other employees
– Product and vendor purchasing decisions and Budget planning
– This person should be able to execute their tasks with little to no supervision as well as organizing and delegating tasks as dictated by the current workload
– This person should possess advance knowledge in the following areas:
– Security intrusion, detection, and prevention methodologies.
– Global information security standards, best practices and security controls
– Pertinent legal and compliance frameworks
– Security Advisement to safeguard critical information assets
– Security testing and hardening strategies
– Security Architecture
– Physical Security
– Provides thought leadership and technical input to the GSS leadership team to support informed decision making
– Responsible for managing projects in their area of expertise
– Leading and directing the implementation of technical security systems, controls and practices across the International business.


– Successful execution of security strategy to achieve positive outcomes
– Demonstrating initiative to improve the security management system
– Expert management of risks, security incidents
– Frequent reporting of team performance to GSS leadership

Job Requirements


– Extensive information security experience, across broad security domains
– Experience leading and mentoring a team of security professional
– Knowledge of industry standards such as PCI-DSS, ISAE3402 and ISO 27001
– Experience in security monitoring, detection, prevention and control systems
– Excellent verbal and report writing skills
– Strong ability to influence internal and external stakeholders
– CCNA qualification preferred
– MSc in Information Security preferred
– Self-starter that takes ownership of identified issues
– Able to succeed in a fast, high-growth work environment
– Ability to dig into details as well as analyze data from a high level view
– Extensive experience with intrusion detection system, hacker techniques, phishing schemes, emerging logical security threats, compromised server techniques
– Should understand the compliance, legal and ethical obligations that organizations should have with respect to logical and physical security, personally identifiable information, and data protection
– CISSP certification required (or near-term plan for attaining certification)


Type of Job(-US Only) 0

Job Segments: Security, Corporate Security, Cyber Security, Cisco, Network Security, Technology

Skills Required for – Technical Support Engineer – Linux – At Redhat UK

Technical Support Engineer – Linux

Job ID: 38497
Farnborough, United Kingdom
Remote: No
Technical Support


Job summary
Red Hat has grown from an inspired idea to a company with over $1 billion in revenue in FY12 by bringing the Linux operating system, middleware, and virtualization into the mainstream of enterprise

computing. We’re now positioning ourselves to do the the same thing in cloud computing and storage solutions.
We don’t just develop great software; we provide exceptional technical support for all Red Hat products through our Global Support Services (GSS) organization. This customer facing team is made up of highly skilled technical engineers who provide high touch support for all of our products around the globe in six languages. Our engineers go beyond offering just a break-fix solution; they collaborate with customers to recommend best practices, suggest resources and customize solutions.


We are currently seeking a Technical Support Engineer to join our team in Brno.


This opportunity will offer you the opportunity to be an expert in RHEL as well as other Red Hat technologies – virtualization, cloud or middleware. One of your first tasks will be to become a Red Hat Certified Engineer (RHCE) and come up to speed with our diverse solutions. As our customers are typically other engineers, it’s imperative that you continually develop your technical skills.

Primary job responsibilities
  • Provide high level technical support to customers by taking incoming calls and responding to web-based inquiries
  • Perform diagnostics of problems, troubleshoot and develop solutions for customer issues
  • Exceed customer expectations with outstanding customer service
  • Consult with and develop relationships with in-house engineers and developers to drive creative solutions and improve customer satisfaction
  • Contribute to global Red Hat knowledge base to improve future customer support
  • Share your knowledge through training sessions and mentoring
  • Be actively involved in product design, development, troubleshooting, documentation or upstream community work
Required skills
  • Linux system administration experience (installation methods, networking, firewall, security, clustering, web servers, and databases using Linux)
  • Must have strong troubleshooting/debugging skills and a passion for problem solving and investigation
  • First-rate customer service, prior help desk experience and / or customer-focused experience is a must
  • Any previous scripting / programming experience is a plus (bash, perl, python, java or ruby)
  • BS / BA degree or equivalent experience within the enterprise IT sector
  • Prior RHCE or other Linux certification would be considered a huge advantage (Red Hat Certified Engineer certification will be required within 60 days of start)
  • Must possess outstanding English communication skills – written and verbal
  • Fluency in an additional language would be a plus (Spanish, French, German, Italian, etc.)
Posted date: 01/29/13

How to Install and Set up vsftpd (ftp server) on Linux

#Install the vsftpd first

$ sudo yum install vsftpd

#Once installed set up your ftp server by Enabling vsftpd passive and active mode

$ sudo vim /etc/sysconfig/iptables-config

#Navigate to and add two modules

IPTABLES_MODULES=”ip_conntrack_ftp ip_nat_ftp”

#Add Rules to Ipconfig. First edit your ipconfig rules

$ sudo vim /etc/sysconfig/iptables

# then add the following rules to enable communication

-A INPUT -m state –state NEW -m tcp -p tcp –dport 22 -j ACCEPT
-A INPUT -m state –state NEW -m tcp -p tcp –dport 21 -j ACCEPT
-A OUTPUT -p tcp –dport 80 -m state –state ESTABLISHED,NEW -j ACCEPT
-A OUTPUT -p tcp –dport 21 -m state –state ESTABLISHED,NEW -j ACCEPT
-A OUTPUT -p tcp –dport 20 -m state –state ESTABLISHED -j ACCEPT
-A OUTPUT -p tcp –dport 50000:60000 -m state –state RELATED,ESTABLISHED -j ACCEPT

#restart the iptables config

$ sudo service iptables restart

iptables: Flushing firewall rules: [ OK ]
iptables: Setting chains to policy ACCEPT: nat filter [ OK ]
iptables: Unloading modules: [ OK ]
iptables: Applying firewall rules: [ OK ]
iptables: Loading additional modules: ip_conntrack_ftp ip_n[ OK ]

#These are two most important thing you need to set up in order to get the basic server up and running
#You can use the exising users or create new ones.

Updating from Fedora 18 to Fedora 19 – Manual

The easier methoed of installing it is using fedup command.

1. Install Fedup first.

yum –enablerepo=updates-testing install fedup

2. Run fedup command for Fedora 19

sudo fedup-cli –network 19

3. Check for erros in /var/log/fedup.log file if any errors show up in the output from fedup-cli

4. Fix some bugs.

rpm –rebuilddb
yum distribution-synchronization –disablepresto
yum remove google-chrome-\* && yum install google-chrome-[beta,stable,unstable]

5. Hopefully enjoy your new Fedora!!!

.bashrc configuration file — Protection and nice enviroment

# .bashrc

# Source global definitions
if [ -f /etc/bashrc ]; then
. /etc/bashrc

# User specific aliases and functions
#for rvm ruby on rails only (not needed)
PATH=$PATH:$HOME/.rvm/bin # Add RVM to PATH for scripting

#grep in color
alias grep=’grep –color=auto’

#ls in color
alias ls=’ls –color=auto’

#shows broken symlinks in color in ls command
eval $(dircolors -b)

#create new dirs and it’s hierarhy by default
alias mkdir=’mkdir -p -v’

#protecct mv command aks if takes more than 8s
alias mv=’ timeout 8 mv -iv’

#limit rm (remove command)
alias rm=’ timeout 3 rm -Iv –one-file-system’

#protect shred by setting up limits
alias shred=’ timeout 3 shred -v’

RPM CheatSheet

Syntax Description Example(s)
rpm -ivh {rpm-file} Install the package rpm -ivh mozilla-mail-1.7.5-17.i586.rpm
rpm -ivh –test mozilla-mail-1.7.5-17.i586.rpm
rpm -Uvh {rpm-file} Upgrade package rpm -Uvh mozilla-mail-1.7.6-12.i586.rpm
rpm -Uvh –test mozilla-mail-1.7.6-12.i586.rpm
rpm -ev {package} Erase/remove/ an installed package rpm -ev mozilla-mail
rpm -ev –nodeps {package} Erase/remove/ an installed package without checking for dependencies rpm -ev –nodeps mozilla-mail
rpm -qa Display list all installed packages rpm -qa
rpm -qa | less
rpm -qi {package} Display installed information along with package version and short description rpm -qi mozilla-mail
rpm -qf {/path/to/file} Find out what package a file belongs to i.e. find what package owns the file rpm -qf /etc/passwd
rpm -qf /bin/bash
rpm -qc {pacakge-name} Display list of configuration file(s) for a package rpm -qc httpd
rpm -qcf {/path/to/file} Display list of configuration files for a command rpm -qcf /usr/X11R6/bin/xeyes
rpm -qa –last Display list of all recently installed RPMs rpm -qa –last
rpm -qa –last | less
rpm -qpR {.rpm-file}
rpm -qR {package}
Find out what dependencies a rpm file has rpm -qpR mediawiki-1.4rc1-4.i586.rpm
rpm -qR bash

{package} – Replace with actual package name