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Unix/Linux System Engineer

Posted 22 February by Advanced Featured Ended

Job Title: UNIX/Linux Systems Administrator

Reporting to: UNIX Team Lead

Location: London

Main Purpose of the Job

Working as part of a small technical team to provide technical expertise and support on UNIX/Linux servers for internal and customer systems. Work closely with the Professional Services Team to ensure effective delivery of UNIX/Linux related projects for existing and new customers.

Main Duties and Responsibilities

  • Operating system and software administration, fault analysis and remediation on Advanced and client equipment across multiple UNIX & Linux operating systems and versions including but not limited to RHEL, CentOS, Solaris & HP-UX.
  • Support the Pre-Sales & Sales teams to develop client solutions using suitable technology.
  • Support the Professional Services team in the on boarding of new customers and new solutions for existing customers. This will involve taking a project from a design phase all the way through build to delivery and ongoing support.
  • Controlled build, reconfiguration or upgrade work carried out under strict change control procedures.
  • Creation, testing and maintenance of systems configuration and procedural documentation.
  • Participate in the Advanced 24x7 on-call support rota.
  • Application of OS patches and upgrades on a regular basis,
  • Upgrade administrative tools and utilities.
  • Conduct root cause problem investigations for infrastructure and application issues.
  • Use of configuration management tools to ensure access and security across the managed estate.
  • When required visit client sites for meetings or to resolve issues.

Person Specification

  • The ideal candidate will bring with them/be:
  • Proven experience of working as a UNIX/Linux Engineer in large and complex environments.
  • The ability to manage complex and large-scale technical solutions.
  • Excellent problem solving capabilities;
  • The ability to work independently as well as part of team.
  • Excellent organisation skills e.g. ability to prioritise and multi task, lead technical projects, and complete the project within defined timescales.
  • A good decision maker and diligent in the execution of tasks.
  • Excellent interpersonal, written and verbal communication skills.
  • A willingness to learn and develop personal skills.
  • A proactive approach to work and a willingness to help others use IT effectively.
  • A willingness to mentor and teach more junior team members and assist in their development.
  • The ability to own, prioritise and be responsible for own workload.
  • Able to maintain professional standards at all times.
  • Able to comply with the provisions of ISO27001 certification and the Company Security Policy in particular relating to system and data security

Knowledge and Experience

Essential Skills:

  • Degree qualified or equivalent relevant experience.
  • Strong knowledge of RHEL/CentOS 5/6/7 in an enterprise environment.
  • Knowledge of HP-UX and Solaris.
  • Knowledge of Orchestration/Configuration Management tools (e.g. Ansible, Chef, or Puppet)
  • Experience in resolving BAU issues.
  • Experience managing full application stacks from the OS up through custom applications
  • Demonstrable experience in supporting and managing a large number of complex multi-server, multi-vendor, multi-technology infrastructures.
  • Experience in progressing projects from technical design all the way through to delivery.
  • Good understanding of the design and configuration of UNIX/Linux systems.
  • Experience working with 3rd party vendors.
  • Experience providing on call and out of hours support.
  • Experience with software management – installations, patching of OS/apps etc.
  • Experience with Virtualization ideally VMWare
  • Knowledge of one or more scripting languages (e.g. Bash, Ruby, Python)
  • Solid understanding of TCP/IP networking concepts and major protocols.

Desirable Skills:

  • Experience providing systems administration in a similar Managed Services environment.
  • Experience with cloud technologies such as AWS or Microsoft Azure.
  • Experience with containerisation such as Docker or similar.
  • Experience with web technologies eg. Apache, HAProxy etc.
  • An understanding of RDBMS databases particularly Oracle would be highly beneficial.
  • Experience with network security - physical and software firewalls eg IPtables
  • Experience with server monitoring ideally Zabbix.
  • Experience configuring and managing MTAs eg. EXIM, Sendmail, Postfix.

Education / Qualifications

  • RHCSA or RHCE desirable
  • ITIL Foundation V3

Join the A Team

  • Excellent benefits from day one: contributory pension, life insurance, income protection insurance, childcare voucher salary sacrifice, cycle to work scheme, and employee assistance programme
  • 25 days holidays
  • Special focus on training and development with the opportunity to excel your career from our internal Talent Development Team
  • The ability to work with engaged colleagues who share a passion for solving business problems
  • Working in an organisation that encourages 360 feedback at all levels
  • Be part of an organisation that has recently been ranked by Deloitte in the Top 50 fastest growing tech Companies

Reference: 34179199

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