Quick Summary
Are you ready to join our digital revolution journey? At Aleph, we’re not just part of the digital advertising landscape—we’re shaping its future. Representing the world’s leading platforms,
We are looking for a highly skilled and experienced Senior Systems Administrator to join our dynamic team. The ideal candidate brings deep expertise in Linux systems management, networking, web server administration, monitoring, hardware, databases, cybersecurity, and public cloud platforms — specifically AWS and GCP.
This role requires the ability to work independently, collaborate effectively with internal teams and external partners, and thrive in a fast-paced environment.
Install, administer, and maintain Linux operating systems, including Debian and RHEL distributions.
Design, deploy, and maintain virtualisation environments (libvirt) and containerisation tools (LXC, Docker).
Manage Kubernetes (K8s) clusters — deployments, services, scaling, and troubleshooting in production environments.
Strong knowledge of networking protocols and services: IP, routing (static, OSPF, BGP), DNS, VPN, HA technologies (bridging, keepalive), firewalls, and Cisco Meraki.
Design and maintain secure, high-availability network infrastructure across distributed environments.
Configure and manage web servers: Nginx, Apache, PHP.
Database administration with MySQL/MariaDB, including replication technologies (bin-log, Galera).
Experience with Redis, Memcache, Supervisord, and Logstash.
Infrastructure monitoring using Nagios, Zabbix, Grafana, Prometheus, and Netdata.
Apply cybersecurity principles including vulnerability management, SIEM, and XDR.
Certificate lifecycle management (PKI, Let's Encrypt) and vulnerability scanning.
Infrastructure as Code using Terraform, Ansible, or Puppet.
Scripting in Bash, Python, or similar languages to automate repetitive operational tasks.
Experience with CI/CD pipelines (GitLab CI, GitHub Actions, or equivalent) is a plus.
Responsibilities
~1 min readInfrastructure.
Provide occasional L2 technical support assistance.
Create and maintain technical documentation, knowledge base articles, and runbooks — Atlassian Stack (Confluence, Jira).
Manage IT assets including hardware, software licences, and peripheral devices.
Collaborate closely with external support teams and the R&D department on technology projects.
Degree in Computer Science, Information Technology, or a related field — or equivalent practical experience.
5+ years of experience in Linux systems administration and IT infrastructure management.
Proven hands-on experience with AWS and/or GCP in a production environment.
Strong understanding of the technologies listed above.
Excellent problem-solving skills with the ability to troubleshoot complex issues independently.
Strong communication and interpersonal skills; ability to collaborate effectively across teams and with external stakeholders.
Demonstrated ability to work independently and manage multiple priorities simultaneously.
Relevant certifications are a strong plus: RHCE, CCNA, AWS Solutions Architect, GCP Associate Cloud Engineer, or equivalent.
Fluent written and spoken English.
Location & Eligibility
Listing Details
- Posted
- April 20, 2026
- First seen
- April 20, 2026
- Last seen
- May 1, 2026
Posting Health
- Days active
- 10
- Repost count
- 0
- Trust Level
- 53%
- Scored at
- May 1, 2026
Signal breakdown
Aleph is a financial planning and analysis (FP&A) platform that helps finance teams make better decisions by centralizing their financial data and automating workflows.
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