Principal Systems Engineer

Our client, a global mobile and internet services provider, is looking to hire a seasoned Principal Systems Engineer to join their Cloud Systems Engineering group, responsible for cloud service network operations and maintenance within the EU, supporting a growing customer base of over 70 million users.

This is an excellent opportunity to work alongside a very experienced team, and leverage your own expertise to ensure 24/7 stability, security, monitoring/alerting and capacity planning, ensuring services / applications are running normally, optimising the deployment and monitoring of mission critical, customer-facing systems while identifying improvements in the existing deployment approaches and automation workflows.

Job Reference: BBBH 19331

Your role will involve

  • Designing, deploying, supporting and automation of systems to ensure reliability, resiliency, scalability and security
  • Provision of advanced network support for different networking stack layers of mobile services deployments
  • Monitoring and debugging of high severity mobile service incidents (applications, networks, databases) applying forensic root cause analysis techniques and crafting smart technical resolutions to address.
  • Reporting on key service metrics such as availability, capacity, performance and latency, etc.
  • Identifying, designing / re-engineering and implementing quality-management initiatives and processes based on statistical measurements to drive quality improvement, influencing technical design and architecture, automating routine tasks, documenting new procedures, etc.
  • On-call support, for high severity network incidents, may be required (1 week per 2 months on average or less)

Ideal Profile

  • Minimum of 10+ years of work experience in IT Infrastructure and Networks
  • 3+ years of work experience where you held responsibility for designing, deploying and operating networks at scale / global internet base
  • Advanced level of expertise across various communication layers of the Internet protocol suite e.g. TCP/IP, IPv6
  • Ability to configure and deploy virtual machines (VMs) and cloud infrastructure
  • Experience with Content Delivery Networks (CDN) architecture
  • Demonstrated expertise managing a Linux based environment with strong scripting expertise (Bash, Python)
  • Experience working with automation tools e.g. Ansible, Puppet, CloudWatch, Chef, Kubernetes
  • A seasoned trooper who proudly bears the scars and stripes of incident management, change management, and problem management
  • A systems thinker who manages and communicates effectively driving positive outcomes.


  • Bachelor’s Degree in Computer Science / Telecommunications or equivalent

Still interested in this opportunity?

Submit your CV (in Word or Txt format as our ATS has a tendency to mangle PDF docs) or perhaps this role does not fully fit your criteria, not to worry – we have numerous roles advertised on our website – www.allenrec.com

Please don’t hesitate to contact any of our team with any questions you may have on Email: or Phone: +353 1 6694040.

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