• Cloud IT Engineer/Operations

    Requisition ID 2438970
    Job Family PL-Krakow
  • Posting Description

    Aon is seeking an experienced Linux Engineer/Administrator to provide a dual role in their quest to expand and improve their Cloud Engineering operation in EMEA.  The successful individual will play a core role in the EMEA Cloud Engineering Operations team and will support both the operational elements of the cloud technologies used by Aon, and provide day-to-day administration of Linux and Unix platforms built within these cloud environments.


    Core Responsibilities:

    • Deploying IaaS/PaaS infrastructure, following local and global architectural standards and processes
    • Support the deployment of all Aon-approved Cloud services (EC2 incl. auto-scaling, ELB, EBS & S3, Redis, Cloudwatch, EMR etc.)
    • Provide support, administration, maintenance, research and product management for Aon's global Linux and Unix server deployment
    • Independent working to provide a wide variety of system administration services in the Enterprise Linux and Unix Server environment. To include; building, deploying, managing, and supporting Aon's global Linux & Unix infrastructure
    • Deployment of a variety of builds into Aon’s approved cloud services
    • Installing, configuring, and maintaining services such as HAProxy, Apache, MySQL, nginx, etc.
    • Deployment, configuration and modification of Linux and Unix builds into these cloud services and into other traditional infrastructure environments
    • Provisioning Infrastructure as code using Terraform
    • Involvement in strategic and tactical projects at all levels, technical leadership, complex administrative tasks, resource and capacity planning, product administration, support and root cause analysis
    • Leading strategic initiatives in line with organization goals; Linux/Unix kernel level debugging and involvement in cross functional & cross geographic projects
    • Creating and updating documentation relating to many aspects of Linux/Unix systems administration work flow
    • Mentoring less experienced team members where applicable


    You should be:


    • Experienced installing and configuring Linux in the Cloud (AWS preferable)
    • Experienced with configuration management tools, such as Ansible or Puppet
    • Experienced installing, configuring, and maintaining Docker
    • Familiar with automation, IaaS and scripting (JSON, YML)
    • Familiar with the fundamentals of Linux scripting languages
    • Familiar with TCP/IP networking, load balancing, firewalls, etc. and proficient with network tools such as iptables, Linux IPVS, HAProxy, etc.
    • Able to build and monitor services on production servers
    • Able to systematically analyse, isolate and diagnose technical issues
    • Flexible to work out of regular working hours, if required



    Knowledge & Experience:


    • Minimum of 5 years’ experience as a Linux/Unix Engineer
    • At least 2 years’ experience in Microsoft Azure or AWS (AWS preferable)
    • Experience of network management and troubleshooting; a solid understanding of routing and firewall principles
    • Extensive technical experience with designing, building, installing, configuring and supporting enterprise IT systems based on Linux/Unix
    • Understanding of storage systems, e.g. RAID / SAN configuration and management, I/O monitoring, replication etc.
    • Knowledge of DR and BCP approaches
    • Comfortable and composed working in a high-pressure environment to meet deadlines
    • Self-driven, resourceful with ability to prioritise and work independently or in groups
    • Focused on attention to detail and accuracy with strong analytic/diagnostic skills
    • Flexible within the role and display a desire to get involved
    • Strong customer management / service ethos





    • BS or MS degree in Computer Science, Information Technology or equivalent.
    • AWS and/or Azure certification preferable
    • RHEL certified
    • Working knowledge of ITIL v3 or have ITIL Foundation (v3) certification.
    • Knowledge of Agile methodologies including Scrum and Kanban

    Please attach CV in English only.


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