• Linux Systems Administrator

    Location UK-East Sussex-Ringmer
    Posted Date 6 days ago(11/8/2018 6:08 AM)
    Requisition ID
    # of Openings
    Post End Date
    Job Function
    Hidden (172692)
    Contract Type
  • Project/Position Introduction (MAX 500 Characters)

    Maximus is an international leader in delivering health and human services programmes. The company employs more than 11,000 professionals who deliver essential services to 35 million individuals across 300 sites in six countries.
    The 5 Maximus UK entities employ 3,000+ people across the country.
    This role is based in Ringmer (East Sussex), where a large UK IT infrastructure team resides.
    Health Management (a MAXIMUS Company) offers expert medical advice, dynamic health-promotion campaigns and on-site clinical support to a wide range of employers nationwide. We offer a friendly and supportive working environment and understand the importance of quality and standards.

    Job Summary

    To build, maintain and support Maximus UK IT systems in a commercially effective manner.
    The Linux Systems Administrator will focus on core Linux infrastructure components whilst provisioning new systems through Ansible and vSphere, monitoring production systems/performance. Troubleshooting and resolving issues and managing updates to production systems are also required.

    Essential Job Duties

    Server/Network Infrastructure
    • Developing and maintaining deployment automation systems (currently using Gitlab CI)
    Contingency Responsibilities for Head Office:
    • Implement DR Plan responsibilities as required

    • System monitoring, incident resolution and developer on-boarding
    • Liaising with developers to gather requirements for new functionality and provisioning
    • To design, develop and test configuration changes to applications at the application layer.
    • Accepting 3rd line tickets escalated from the helpdesk, or directly from Development colleagues
    • Monitoring relevant security advisories and applying relevant mitigations
    • Maintaining IT security across the company in accordance with our policies
    • Resolve incidents in line with agreed service levels.
    • Meeting deadlines as set within change requests.
    • Anticipating problems and testing and validating changes prior to implementation, so minimising changes that don’t deliver the required outcomes.
    • Robust Change Management Practices
    • Evaluation and implementation of new hardware / Software
    • Liaising with suppliers and ordering services
    • Creating And Maintaining Documentation
    Also Providing support on:
    • Help tune performance and ensure high availability of infrastructure
    • Design and develop infrastructure monitoring and reporting tools
    • Develop and maintain configuration management solutions
    • Develop test automation frameworks in collaboration with rest of the team
    • Create tools to help teams make the most out of the available infrastructure
    Contingency Responsibilities for Head Office:
    • Implement DR Plan responsibilities as required

    Education and Experience Requirements

    • Strong technical skills and proven hands on track record, especially with Linux servers in a virtualised environment.
    • Familiarity with the fundamentals of Linux scripting languages.
    • Experience installing, configuring, and maintaining services such as Galera MySQL, ProxySQL, GlusterFS and nginx.

    • Strong grasp on configuration management tools, such as Ansible.
    • Familiarity with load balancing, firewalls, etc.
    • Proficient with network tools such as iptables, Linux IPVS, HAProxy
    • Ability to prioritise incoming workload effectively and plan forward based on collected metrics and business needs
    • Ability to communicate effectively in plain English to all levels of staff, both verbally and in written format.
    • Working effectively within an Information Security Management System/ISO27001 environment.
    • Experience in Linux infrastructure design
    • Experience of whole project lifecycle from design through to service transition
    • Nginx
    • Php-fpm
    • Galera MySQL
    • ProxySQL
    • GlusterFS
    • Centos 7
    • Ansible
    • Gitlab + Gitlab CI
    • VMWare vSphere + NSX
    • Relevant experience with a proven track record in a similar role
    • HAProxy
    • keepalived
    • ELK stack (Elasticsearch + Logstash + Kibana)
    • Grafana
    • Docker

    EEO Statement

    Health Management is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.


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