Senior System Administrator

We are hiring an experienced IT System Administrator to help us scale, secure, and optimize our cloud infrastructure. This role is ideal for someone with a strong background in AWS, Terraform, and cloud automation, who also brings hands-on experience with services like Amazon FSx, Amazon WorkSpaces, and Amazon Q Business. You’ll be a key contributor to infrastructure design, automation, monitoring, and Zero Trust security enforcement using tools like Spacelift, Zabbix, Zscaler, and Checkpoint CloudGuard. Requirements 3+ years of hands-on experience managing AWS infrastructure in production environments. Strong expertise in Terraform, with a track record of managing infrastructure via code. Experience with Spacelift or equivalent tools for Terraform deployment pipelines. Operational knowledge of Amazon FSx (especially Windows File Server), Amazon WorkSpaces. Familiarity with Zabbix for infrastructure monitoring. Working knowledge of Zscaler (ZTNA) Or equivalent and Checkpoint CloudGuard or equivalent for security and access control. Working knowledge of MDM solutions for Mac and WIndows (Jamf, Endpoint Central or equivalent). Skilled in using GitHub for code versioning, collaboration, and review workflows. Competence in scripting and automation using Bash, Python, or similar languages. Responsibilities Manage and enhance AWS infrastructure, including core services (EC2, S3, RDS, IAM, VPC) and enterprise solutions such as Amazon FSx (Windows file storage), Amazon WorkSpaces (virtual desktops), and Amazon Q Business (AI-powered knowledge search). Define and maintain Infrastructure-as-Code with Terraform, orchestrating deployments and policy enforcement using Spacelift or equivalent. Set up and manage monitoring solutions with Zabbix to ensure infrastructure performance and reliability. Implement and support Zero Trust Network Access (ZTNA) using Zscaler (ZIA/ZPA) for secure remote access. Enforce cloud security practices through Checkpoint CloudGuard, covering workload protection and compliance. Experience with managing an IDP (Okta or equivalent) users, groups logic, and application integration. Collaborate with development and IT teams to manage infrastructure code via GitHub, with a focus on stability, peer review, and traceability. Automate routine processes and improve system efficiency through scripting (Bash, Python, or similar). Document infrastructure standards, system configurations, and operational runbooks. What we offer Direct cooperation with the already successful, long-term, and growing project. Flexible work arrangements. Collaborative and supportive team culture. Truly competitive salary. Help and support from our caring HR team. About the company Globaldev Group is a team of professionals specializing in creating engineering teams for technological businesses for the Western Europe, Israel, USA. Only long-term product teams for EU with investments and a modern stack of technologies. We set up the company in 2010 in Kharkiv. In 2017 we opened the office in Berlin. Currently, there are 220 of us and we are constantly growing. Now in 2022 we have development hubs in Israel, Ukraine, Portugal and Poland. If you’re interested in joining the team and taking part in decision making that will affect the product and business – let us know!