Senior System Administrator

Job Description
Senior Platform Engineer (Linux)
London / Dublin
Responsibility:
Administration: Install, configure, and maintain Linux operating systems on both physical and virtual machines.
Scripting: Develop, maintain, and enhance shell scripts to automate routine tasks, system configurations, and application deployments. Scripting languages include Bash, Python, Perl, or other relevant scripting languages.
and Compliance: Implement security measures to protect the Linux infrastructure from vulnerabilities and unauthorized access.
compliance with industry best practices and company policies.
: Identify and resolve system issues, application errors, and performance bottlenecks promptly.
in on-call rotations for urgent problem resolution.
and Recovery: Develop and execute backup and disaster recovery procedures to safeguard critical data and ensure business continuity.
Updates and Patching: Apply system patches, updates, and security fixes promptly.
the infrastructure up to date with the latest software releases.
& Optimization: Optimize system performance through resource monitoring, tuning, and capacity planning.
areas for improvement and implement solutions to enhance overall system efficiency.
and Alerts: Set up monitoring tools to identify system issues proactively and respond to alerts promptly
system logs for unusual activities and security breaches.
build, support, troubleshoot & develop technical application infrastructure solutions to meet business requirements in adherence with market standards, processes and best practices and with a high level of innovation, cost-effectiveness, high quality and faster time to market
in Proof of Concepts and help the Department with selection of Vendor
Technologies, Methodologies and Frameworks.
problem diagnosis; performance tuning; capacity planning and configuration management.
system stability and future compatibility by monitoring production execution of all relevant systems.
high availability strategies and implement automation to ensure service availability.
lead role in reviewing vendor proposals and making recommendations
and evaluate new technology for possible deployment in client infrastructure.
complex initiatives and projects and take accountability for ongoing regional projects as assigned; including responsibility for planning; time and cost control; resource utilization and implementation
Requirements:
work experience as a Linux Administrator
knowledge of Linux operating systems (e.g., Red Hat, CentOS, Ubuntu) and associated utilities.
command over shell scripting languages (e.g., Bash, Python, Perl).
with automation tools (e.g., Ansible, Puppet, Chef) is a plus.
of networking concepts and protocols (TCP/IP, DNS, DHCP).
with security best practices, system hardening and patching.
of virtualization technologies (e.g., VMware, KVM) and cloud platforms (e.g., AWS, Azure) is advantageous.
problem-solving skills and attention to detail.
to work independently as well as in a team-oriented, collaborative environment.
communication and interpersonal skills
and Certifications:BE
certifications like Red Hat Certified Engineer (RHCE), or CompTIA Linux+ are a plus.
knowledge and understanding of network, operating system principles and web middleware.
in one or more core functions related to web infrastructure design and/or implementation