IT Infrastructure Specialist

1 week ago

London, Greater London, United Kingdom NES Fircroft Full time

Overview


NES Fircroft is seeking a highly skilled IT Infrastructure Specialist to join our team in Lancashire. As a Linux and Unix expert, you will be responsible for ensuring the daily availability of our clients' Linux and Unix platforms.


About the Role


This is a permanent position offering a salary of £60,000 per annum. The successful candidate will work on-premises and in the cloud, primarily using Azure, and will be required to travel to other sites on occasion.


Responsibilities



  • Ensure the effective daily operation of Linux and Unix platforms to support business operations.
  • Administration and performance monitoring of Linux and Unix systems across various monitoring platforms.
  • Work closely with IT Operations teams and heads, including Service Desk, Infrastructure, EDI, Web, SAP, and IT Management.
  • Provision of Linux systems and services as required by the business with associated SLAs and resilience for both cloud and on-prem.
  • System configuration and patching to maintain system standards.
  • Provision of print services to support warehouse operations.
  • Provision of suitable backup and recovery solutions in case of failure.
  • Regular testing of backup and recovery systems in line with audit requirements.
  • Ensure each server is protected by adequate security measures to prevent compromise.
  • Monitoring and alerting of all server hardware, software, and services.
  • Upgrading of obsolete operating systems to maintain supported patchable systems.
  • Regular patching of Linux and Unix systems.
  • Escalation of critical and high-security alerts to the required IT teams and senior management.
  • Administration of identified vulnerabilities to ensure they are actioned and resolved in a timely manner for all Linux platforms.
  • Create and coordinate incidents, ensuring full incident details are accurately recorded. Participate in reviews of incidents for continuous improvement and monitoring.
  • Production of weekly KPIs and information input to monthly board reports.
  • Participation in enhancements and/or optimization projects in line with the Linux Server Roadmap.
  • Annual internal and external penetration testing of Linux systems and remediation.
  • Third-party supplier management.
  • Assignment and management of Linux-related tickets raised on the IT Service Desk.

Requirements



  • At least 10 years' experience working in IT Operations/DevOps with an expert level of technical knowledge of various Linux hardware and software.
  • Linux administration minimum of 5 years' hands-on experience using command-line.
  • Strong knowledge of various Linux/Unix variants based on RedHat, i.e., Oracle Linux 9x, CentOS, etc.
  • Operational knowledge of databases such as MySQL, Influx, Loki, etc., and associated replication methodologies.
  • Configuration of services such as DNS, Apache, NTP using text configuration files.
  • Good working knowledge of encryption methodologies including SSL, TLS, CSR, P12/PFX, Cypher Suites, etc.
  • Expert-level technical knowledge of Linux subsystems including but not limited to Networking, DNS, NTP, HTTP/HTTPS, SSH, SFTP, FTP, rcp, Web Servers (Apache), CUPS, Syslog, etc.
  • Very high level of technical knowledge of email subsystems, such as Exim, Postfix, sendmail, etc.
  • Expert technical knowledge of Linux scripting/programming including but not limited to bsh, ksh, awk, perl, PHP, C, C++, Python.
  • An understanding of XML, templates, and structures would be useful.
  • Knowledge of printing solutions down to printer language level for PCL, PDF would be helpful.
  • A working knowledge of Unix variants such as IBM AIX, PowerVM, HMC would be useful but not essential.
  • Solid technical and analytical skills, with ability to interpret and present data clearly.
  • Good security skills for threat detection and protection solutions.
  • Knowledge of organizational planning tools and project management methodologies.
  • Strong analytical and problem-solving skills with good attention to detail.
  • Working knowledge of IT applications/portals, such as Service Desk, Auditing Tools, etc.

Location


Lancashire


About NES Fircroft


NES Fircroft is a global leader in the provision of workforce solutions to the energy, chemicals, life sciences, and infrastructure sectors. We have over 40 years of experience in providing temporary and permanent workforce solutions to some of the world's leading companies.

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