Unix Systems Administration

  • location


  • sector:

    Business, Change & Transformation

  • job type:


  • Contact:

    Edward Tooze

  • Email:

  • job ref:


  • published:

    almost 4 years ago

  • expiry date:



The role involves being part of the Trading Technology System Administration team, who provide 2nd and 3rd line support for the London Stock Exchange Group's transactional and associated peripheral systems. The primary focus is the 24x7 availability of servers and hosted applications across the portfolio of equity exchanges, derivative markets and market information dissemination systems. The core application technologies are the ultra-low latency Millennium IT developed trading, market data and clearing platforms, in addition to the SOLA derivative engine. The aim of the role is to proactively prevent and resolve issues that may impact these services, and to provide reactive support to what is a non-stop environment. The role involves in-depth technical work on the Linux platform and its hosted technologies. The ideal candidate will be a team focussed self starter, possessing a broad skillset covering systems administration and networking with some exposure to application support


Key Responsibilites: 


·         Implement and support infrastructure solutions across a number of trading and information platforms

·         Vendor agnostic installation and configuration of new server and peripheral hardware

·         Provide expertise on SUSE and Red Hat Linux operating systems and associated AutoYaST and Kickstart build technologies, and their integration with Foreman lifecycle management

·         Technical support provision for clustering and messaging solutions including Veritas Cluster Server, SUSE Linux Enterprise High Availability Extensions and Solace content networking

·         Participate in the team's out-of-hours on call rota and evening/weekend work schedule

·         Provide effective escalation and resolution of issues and problems to line management

·         Manage multiple streams of work, including live service issues, project resource requests and out-of-hours support demands

·         Correctly impact and manage the implementation of change without adverse impact to continuity of service, adhering to existing change policy and privileged access processes, liaising with other business and technical teams

·         Support development changes, providing accurate estimates for time and risk, attending project meetings and analysing impact for proposed project work, meeting deadlines

·         Focus on continuous service improvement and task automation across the department

·         Collaborate with engineering efforts for performance tuning, systems deployment, and configuration management through Puppet

·         Proactively identify operational risks and provide short term solutions whilst tracking the delivery of long term resolutions, reducing the number of recurring technical issues

·         Remain up to date with pertinent technologies to serve as a source of technical advice, and be fully able to understand and impact incidents at a low level

·         Evaluating 3rd party products and associated proof of concept environments

·         Provide input to architectural designs for network, infrastructure, database and applications

·         Identify and resolve latency and packet loss issues across InfiniBand and 10GbE fibre networks

·         Develop and maintain an understanding of procedures and SLAs for all services supported

·         Comply with all group security policies

·         License management to ensure legal compliance at all times

·         Writing and maintaining support documentation, technical specifications and user guides.

·         Invoking level 3 support requests and managing their progression with vendors

·         Gain in depth knowledge of all core LSEG business processes



Candidate Background and Skillset:

·         Heavy experience in Linux operating systems (industry certifications advantageous)

·         Systems support experience, preferably gained within a mission critical support environment in the financial services or exchange industry

·         Project management experience including planning, resourcing, communication with sponsors and an understanding of critical path analysis

·         Strong scripting and programming (BASH/Perl)

·         Experience with TCP/IP and basic routing principles

·         Fundamentals of Storage Area Networking

·         Experience of IBM and HP hardware, Puppet, Foreman, Nagios, Control-M, NetBackup, HP OpenView, Subversion, Jira and Remedy would be preferred

·         Excellent oral and written communication skills, including the ability to interact effectively with executives, operations staff, vendors and peers

·         Educated and holding a degree level qualification (preferably in an IT discipline)

·         Trading application, finance, regulation, supervision or equity and derivative market knowledge

·         Appreciation of the business processes and their importance

·         Proven ability to share information efficiently as part of a team to solve problems

·         Beneficial to possess high performance solution exposure in the FPGA and GPU fields

·         ITIL qualification preferred but not essential

·         OpenStack and AWS experience highly desirable