Senior Linux Infrastructure Engineer

Sargent-Disc is the leading UK provider of payroll and production accounting services to the film and television industries. For over 30 years, we have delivered a high standard of service to the biggest brands in international entertainment. We offer a vast range of business-critical services to ease payroll and production accounting.

We are looking for an experienced Senior Linux Infrastructure Engineer to join our team, to take responsibility and accountability for the smooth running of Sargent-Disc’s computer systems. This is a proactive and reactive role within a fast paced environment. We are looking for experienced candidates with a passion for networking and a desire to grow their skillset in other areas including Redhat Linux and SAN technology.

Main duties to include:

• To maintain the company’s DR infrastructure including performing scheduled testing
  
  
• To monitor key systems to ensure availability and capacity requirements are met
  
  
• Implement and manage network security policies, including VPNs, Firewalls, and intrusion prevention systems
  
  
• Manage and maintain network documentation, configurations, and processes iin line with regulatory and compliance standards
  
  
• Be responsible for the scheduling and prioritisation of I&O tasks and the allocation of resources to complete those tasks within given timescales
  
  
• Perform regular systems updates, patching and vulnerability assessments
  
  
• Work with cybersecurity team, Head of IT, C.I.S.O & Directors
  
  
• Be available to troubleshoot/rectify any issues
  
  This role requires a proven skillset and experience with the below criteria.
  
  Person Specification and experience:
  
  Essential
  
  
• Strong experience of Linux
  
  
• Strong experience of network configuration and management
  
  
• Experience of firewall configuration and management
  
  
• CCNA/CCNP certified or equivalent (experience of Netgate firewalls)
  
  
• Switch management (stacked/edge switches)
  
  
• Monitor, troubleshoot, organise network performance, ensuring high availability and minimal downtime.
  
  
• RHEL / CentOS Linux Servers (SAMBA /Apache/Wildfly)
  
  
• ISCSI SAN Technologies
  
  
• Clustered virtualised environment (based on Xenserver or Xcp-ng)
  
  
• Splunk Logserver
  
  
• Microsoft AD and Remote Desktop Services (W2019)
  
  
• Experience of Bash scripting
  
  
• Experience of networking, especially Netgate 7100/8300 pfSense Plus appliances
  
  
• Excellent knowledge of technical management, information analysis and of computer hardware/software systems
  
  
• Hands-on experience with computer networks, network administration and network installation
  
  
• ITIL experience
  
  Desirable
  
  
• MySQL, MSSQL and Postgres databases
  
  
• Mailserver (M365/Exchange)
  
  
• Container based infrastructure (Docker / Kubernetes)
  
  
• IP Based PBX and phone system
  
  
• Experience of Cloud based environments (AWS)