Linux System & Network Administrator

  • Listed: June 16, 2019 10:26 pm
  • Company Name: DT One
  • Job Type: Full Time
  • Salary Package: Negotiable
  • Required Experience: 2-5 Years
  • Minimum Education: Bachelors Degree
  • Emirates: Dubai
  • Country: United Arab Emirates
  • Employer Website:


DT One is currently seeking a talented Linux System & Network Administrator based in Dubai with experience supporting a global company. A career with DT One provides invaluable experience in an exciting and rapidly expanding market and an opportunity to be part of a truly global company with various offices worldwide and a workforce that includes dozens of different nationalities.

Reporting to the Head of Infrastructure, Network & Security, the ideal candidate is a highly driven, self-motivated, technically hands-on individual who is truly excited about creating meaningful impact, willing to build and lead a small team of Engineers. In this role you will combine a startup mindset with the scale of an industry leader, providing you with hands-on exposure to how key organization decisions are made and the challenges of operating and securing critical cloud infrastructure and services.

The Infrastructure, Network & Security team is part of the Engineering division and is in charge of the overall infrastructure (provisioning, cost, reliability, business continuity, disaster recovery, backup strategy, … hosted mainly on AWS Cloud), databases, network (VPCs, IPSec VPN, Layer 3 & 4 routing), monitoring (SRE), incident management and security (all layers of the stack, patching, vulnerability scanning, IDS/IPS/SIEM). Working closely with the entire Engineering team, needs, weaknesses and risks are identified and an action plan defined to bring the platform to the next level using the latest tools and technologies.

Key Role Responsibilities

Set up, monitor and troubleshoot IPSec VPN implementations on CISCO or Juniper devices with partners
Perform network maintenance and system upgrades including service packs, patches, hot fixes and security configurations
Build and maintain both Unix and Linux systems to provide critical infrastructure services such as FTP/SFTP, NFS, DNS, SMTP, and Proxy Services.
Provide support to systems including but not limited to firewalls, IPS/IDS, load balancers, storage area networks, and backup solutions
Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure
Maintain and support all enterprise monitoring technologies and establish associated policies governing both advanced notifications and escalation procedures
Create and maintain clear and accurate network, system and process documentation
Configure logging and monitoring based on best practices
Setup, monitor, correlate and investigate alerts to detect and resolve incidents
Stay current on emerging security threats related to both networking and security systems
Essential Experience

Degree in Computer Science or equivalent
5+ years of experience in a similar role
3+ years of experience supporting and securing large scale and critical systems and APIs in production
Experience working with security hardware and tools such as firewalls, IPS/IDS systems, packet sniffers, and port scanners
Experience installing, configuring, and maintaining services such as Bind, Squid, Apache, MySQL, and HAProxy in a Linux/Unix environment.
Ability to utilize a scripting language (e.g. Bash, Perl, Python) to automate regular tasks and processes.
Experience designing networks, systems and application architectures
Strong hands-on understanding and experience of Linux administration, command line interface, shell scripting
In-depth understanding of application protocols (e.g. DNS, SSH, HTTPS, SFTP, SMTP) and their behaviors across network environments.
In-depth understanding of Layer 3 Networking protocols (IPSec, ICMP, …)
Experience supporting the following technology stack and services (Amazon AWS, Terraform, Ansible, Docker, HAProxy, Nginx, ELB/ALB, ELK, Prometheus, Grafana, ECS/EKS/Kubernetes, Fluentd, Elasticsearch) is a plus
Programming experience in one or several of the following languages (GoLang, JavaScript, Perl, Python or Ruby) is a plus
A strong multi-tasker with a keen eye for detail
Strong analytical, problem-solving skills and willingness to investigate complex problems
Strong strategic thinking skills to handle both the big picture and crucial decisions
Ability to thrive on a high level of autonomy and responsibility
Ability to work very well cross-functionally, to think rigorously and make hard decisions and tradeoffs when required
Sustain learning and knowledge sharing culture in the organization and aim at achieving a high level of technical excellence and stability
Excellent written and verbal communication skills in English
About Us

DT One operates a leading global network for mobile top-up solutions, innovative mobile rewards and airtime credit services.

We’re able to provide greater access to digital communications for over five billion people across emerging economies, resulting in more active participation in the global economy. Our global network interconnects more than 550 m

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Listing ID: 3635d04f11fe7d14

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