Pour un grand groupe de la distribution, nous recherchons un Administrateur Systèmes Expert AIX / Linux. Vous rejoindrez le pôle Système de la DSI. Vous interviendrez au cœur des environnements de production. Votre mission : garantir leur disponibilité, leur performance et leur sécurité, sur un parc AIX, Red Hat, SUSE, CentOS et conteneurs. La mission a un double volet : le run d'une production critique et l'automatisation DevOps. Elle convient bien à un expert qui veut allier exploitation de haut niveau et industrialisation. Vos principales missions : Gestion des incidents : diagnostic, résolution et suivi des incidents de production, y compris en heures non ouvrées (HNO) et en astreinte. Support et assistance : appui technique de niveau expert aux équipes d'exploitation, et transfert de compétences. Maintien en condition opérationnelle (MCO) des environnements AIX, Linux (RHEL, CentOS, SUSE) et conteneurs. Gestion des performances : suivi, analyse et optimisation (tuning). Audit et expertise : études de préconisation, recommandations d'architecture et accompagnement des équipes. Automatisation des tâches : industrialisation avec Ansible, AWX, Terraform et des chaînes CI/CD (GitLab CI, GitOps). Vous gérerez aussi les droits d'accès, vous rédigerez et ferez appliquer les règles d'utilisation et les procédures, et vous appliquerez les plans de sauvegarde et de secours. Vous assurerez enfin une veille technologique sur l'infrastructure système.
Au sein de l'équipe infrastructure, vous assurerez la disponibilité, la maintenance et la sécurisation des systèmes d'exploitation Linux Suse SLES et Red Hat. Vous prendrez en charge les incidents et problèmes remontés par le support de niveau 1, proposerez des architectures adaptées aux besoins métiers et aux normes du système d'information, et accompagnerez l'évolution des plateformes ainsi que la gestion de leur obsolescence. Vous contribuerez à l'automatisation des opérations en maintenant les scripts de maintien en conditions opérationnelles et les playbooks Ansible, tout en rédigeant les dossiers d'architecture technique. Votre intervention couvrira également les environnements de virtualisation, de conteneurisation et de stockage, avec une participation ponctuelle aux astreintes afin de garantir la continuité de service.
Solaris Engineer - Remote Working Must have an Active SC Clearance - Support the delivery of secure, resilient infrastructure services within a 24/7 operational environment. Solaris Engineer Responsibilities - Provide 3rd Line technical support for Solaris UNIX infrastructure and operating systems. - Maintain, troubleshoot and optimise Solaris environments, including virtualised platforms. - Develop, maintain and improve UNIX shell scripts to support automation and operational efficiency. - Diagnose and resolve complex infrastructure incidents, problems and performance issues. - Support Production, Disaster Recovery, LAP, Test and Development environments. - Monitor system availability, reliability and performance across UNIX/Linux platforms. - Support operating system maintenance, upgrades and infrastructure improvements. - Work with infrastructure teams to maintain secure and stable cloud-based services. - Contribute to technical documentation, troubleshooting procedures and service improvements. - Support operational activities within a 24/7 live-service environment. Solaris Engineer Skills and Experience - Significant hands-on experience supporting Solaris UNIX operating systems. - Strong Solaris infrastructure knowledge, including virtualisation technologies. - Proven 3rd Line UNIX/Linux infrastructure support experience. - Strong UNIX shell scripting and automation capabilities. - Experience troubleshooting complex UNIX operating system and infrastructure issues. - Strong analytical, problem-solving and technical investigation skills. - Ability to work independently and manage competing operational priorities. - Understanding of cloud computing and infrastructure service delivery. - Knowledge of Storage Area Networks (SAN) would be highly advantageous. - Experience with ACM, CA, Opsview or Veritas NetBackup would be highly desirable. - Operational experience with IBM AIX, SUSE Linux or Red Hat Enterprise Linux (RHEL) would be beneficial. - Experience supporting secure, business-critical infrastructure environments would be advantageous. To apply, please send your CV by pressing the apply button. Due to high volume of applications, only shortlisted CVs will be contacted. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 10 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
