Network & Security Administrator

Stellenbeschreibung:

At cloudatus, we help customers drive technical solution design, development, deployment and support them alongside their cloud journey. As an all‑cloud service and consulting provider for midsize and large enterprises, at cloudatus we speak cloud fluenty: IaaS, PaaS, SaaS… – you name it.

We seek new talents to join our engineering teams to advance our international projects, where we build on collective competence and configure different types of infrastructure: cloud based, hybrid, on‑premises.

Network & Security Administrator

You will oversee the daily administration, monitoring, upkeep, and support of enterprise network and security environments. You will help maintain stable and protected connectivity across distributed infrastructures, including cloud, hybrid, and on‑premises environments. Your role will combine practical administration, problem‑solving, security enforcement, documentation, and close cooperation with support teams and customers.

At cloudatus, you will:

Design secure and resilient network architectures and select appropriate security tools to support them
Be responsible for deploying standardized global network security solutions
Implement and manage security policies across different platforms
Work with a variety of firewall and proxy technologies, such as: Zscaler, Cisco, Azure, Fortinet, and Check Point
Analyze network traffic flows (ports and protocols) and translate them into well‑documented security policies and risk classifications
Ensure compliance with internal controls, audit requirements, and regulatory standards
Monitor system availability and address technical challenges as they arise in project delivery
Adjust to evolving priorities and workloads within an agile transformation environment
Define and implement a Zero Trust security approach, including principles such as least privilege access, continuous verification, micro‑segmentation, and identity‑driven security across network and cloud environments

Required technical and professional expertise:

Deep understanding of Zero Trust architecture principles and their practical implementation using Zscaler solutions (e.g., Zscaler Internet Access, Zscaler Private Access, Zero Trust Exchange)
Strong knowledge of network security technologies such as firewalls, IDS/IPS, DLP, WAF, and SASE/SSE, along with hands‑on experience with leading vendors including Cisco, Microsoft Azure, Fortinet, and Check Point.
Ability to quickly comprehend complex technical topics and evaluate them in the context of real‑world business needs
Solid grasp of enterprise networking fundamentals, particularly data routing and switching
Knowledge of Azure cloud platform and its service portfolios
Experience with tooling and monitoring solutions used in large‑scale enterprise networks
Hands‑on experience with Identity & Access Management (IAM) and conditional access (e.g., Microsoft Entra ID)

Nice to have:

Willingness and readiness to communicate directly with customers while handling and resolving support requests
A customer‑focused, problem‑solving mindset, with the ability to understand and empathize with the customer’s perspective
Patience, attention to detail, and composure in high‑pressure or crisis situations
Experience working in an SLA‑driven support or managed services environment
Familiarity with ITIL‑based incident, request, change, and escalation processes

This role requires collaboration with customers from all around the world, therefore fluency in English is required (minimum B2 level).German language will be a huge plus.

B2B or employment contract

Working with latest technologies

Industry leading healthcare and comprehensive medical coverage (Luxmed)
Opportunities to enhance your qualifications (MS certifications, Udemy courses, etc.)
Customizable 1‑on‑1 English or German lessons
Opportunities to network and connect (get‑togethers, team‑building events)
Employee referral programme