DevOps & Linux System Administrator Job at Özgür Yazılım (Istanbul)

Middle System Administrator

We are looking for an experienced System Administrator to help maintain a stable...

Location

United States

Salary:

Not provided

JatApp

Expiration Date

Until further notice

Requirements

3+ years of experience in system or network administration or 2–4 years as a System Administrator / DevOps / Infrastructure Engineer
Practical experience with Zero Trust, preferably Cloudflare ZTNA
Confident knowledge of Linux and basic understanding of Windows Server
Knowledge of Windows / macOS, Azure AD, MDM, SSO, SCIM
Understanding of network protocols: DNS, DHCP, NAT, TCP/IP
Experience with Docker or Kubernetes
Experience with monitoring systems
Ability to write scripts (Bash and/or Python)
Basic knowledge of security (firewall, SSL, audit)
English — Upper-Intermediate+

Job Responsibility

Support and access: User support (HelpDesk), technical assistance, macOS/Windows configuration
Access management via Cloudflare ZTNA/Cloudflare Access (SSO, security policies)
Google Workspace and Microsoft 365 administration
Implementation and support of MDM solutions (Jamf, Intune, Kandji)
Infrastructure and systems: Administration of Linux (Ubuntu/Debian) and Windows Server systems
Support and development of internal infrastructure, performance optimization
Working with virtualization: VMware, Proxmox, Hyper-V
Configuration and support of network infrastructure (VLAN, VPN, Firewall)
Backup and disaster recovery configuration
Infrastructure security: updates, patching, access control

What we offer

Mental and Physical Health: health care is a must, so at JATAPP, we will cover health insurance for you
Benefits Cafeteria: choose what you like most — sports, food delivery, home office supplies — and we will cover your expenses under available budget
Knowledge sharing: such events are our way to grow together. We gather to discuss new trends, share our own insights, and elevate one another
Remote-First Culture: it’s up to you whether to work remotely or at our coworking space
Personal Equipment Policy: no tech troubles — you’ll get a MacBook and everything you need for comfortable and efficient work
Learning and Development Opportunities: it's a real pleasure for us to watch you learn, so we're happy to cover your learning and development costs, as well as English courses. Besides this, everyone in JATAPP gets access to the Projector Library
Community of like-minded people: at JATAPP, you will work in a team of like-minded people who are ready to launch a product, run a marathon, or climb Hoverla together
Creative freedom: we encourage initiative and creative thinking, so with us, you can be yourself and have the freedom of professional expression
Legal & Finance Support: we cooperate with the best financiers and lawyers who will be ready to help solve any of your questions upon request
Time-off Policy: 20 vacation days per year, 5 days for sick leave without medical confirmation, unlimited sick leaves with a doctor's note, 3 personal days, and 2 days off for special events or occasions

Fulltime

Infrastructure System Administrator

Over a 6‑months internship, the Infrastructure Administrator Intern will audit a...

Location

France , Paris

Salary:

1500.00 EUR / Month

Ledger

Expiration Date

Until further notice

Requirements

Hands-on experience with Linux system administration and management in a high availability environment
Experience with configuration management tools such as Ansible or SaltStack
Knowledge in virtualization environments and Docker or other container technologies
Working knowledge of system monitoring tools- especially Prometheus
Coding in a scripting language e.g bash and/or Python
Highly motivated and self-driven. Your level of autonomy is proven
You know how to communicate, convince, explain, and justify your choices
You are honest and realistic
You are fluent in English, French is a plus

Job Responsibility

Support of Engineering tools services users
Configuration, maintenance and administration of systems infrastructure including core services, internal tools, monitoring solutions and bare metal servers
Contributing to the identification, test and implementation of new system technologies and solutions
Contributing to projects for the delivery of new systems features and requests by our infrastructure, development and DevOps teams
Sizing and forecasting systems work packages and working with other technical experts and project managers to deliver work on-schedule and within requirements
Ensure documentation and tracking of Ledger's infrastructure solutions and hardware is up to date

What we offer

Social: Frequent social events, snacks and drinks
Transportation allowance: Ledger offers a commuter allowance to contribute to your preferred means of transportation
Lunch vouchers: Ledger offers a meal allowance with Swile
Vacation: 1 day off for every full month of work, in addition to national holidays

Fulltime

System Engineer

We are seeking a skilled and motivated expertise in Dassault product installatio...

Location

India , Bengaluru

Salary:

Not provided

Sopra Steria

Expiration Date

Until further notice

Requirements

BE/BTech/MCA/MSc
4+ years of experience working with AIX and Linux environments
Installations/Configurations and administration of the servers
AIX (OS knowledge)
Linux (OS knowledge)
General Architecture of VPM (A380, A320, A350)
Good Understanding of VPM (A380, A320, A350) Infrastructure Architecture
Good Understanding of VPM Env setup (VPM COTS, CATIA Interoperability)
Good Knowledge of Airbus Toolsets (VPM, PASS, catia etc)
Know-how of client management processes

Job Responsibility

Install, configure, and maintain Dassault products including VPM, CATIA, and 3DEXPERIENCE platforms
Perform hands-on package deployments across various environments
Administer Linux servers, ensuring system stability, security, and optimal performance
Support middleware installations and configuration to facilitate seamless integrations
Apply DevOps principles to streamline deployment processes and automate workflows
Identify, assess, and remediate security vulnerabilities in systems and applications
Implement security best practices to safeguard against potential threats and vulnerabilities
Conduct regular security audits and vulnerability assessments
Collaborate within Agile-Safe frameworks to support iterative development and deployment cycles
Develop and maintain shell/bash scripts to automate routine tasks and enhance system efficiency

What we offer

Inclusive and respectful work environment
Positions open to people with disabilities
Opportunity to free creativity and take initiatives
Supported by tech experts

Fulltime

Devops Cloud Engineer - Azure

This role presents an exciting opportunity for a motivated individual to contrib...

Location

India , Hyderabad

Salary:

Not provided

Fission Labs

Expiration Date

Until further notice

Requirements

Relevant Devops Hands-on Experience of 1 - 3 years
Linux System Administration: Manage core Linux operations including file system navigation, file permissions, user/group management, cron jobs, and system resource monitoring
Azure Core Services: Proficient in using the Azure Portal and Azure CLI to provision Virtual Networks (VNets), Virtual Machines (VMs), Azure Blob Storage, Role-Based Access Control (RBAC), and Azure SQL Database
Networking Fundamentals: Design and configure Azure VNets, including subnets, route tables, internet gateways, NAT gateways, and Network Security Groups (NSGs)
Compute Resource Management: Launch, connect, and monitor Azure Virtual Machines using SSH, Azure Bastion, or Serial Console
Storage Operations: Create and manage Azure Blob Storage containers, enable versioning, implement lifecycle management rules, configure encryption, and manage access tiers
IAM & Security: Manage Azure Active Directory (AAD) users, groups, and role assignments
CI/CD & Source Control: Use Azure Repos or GitHub for source control. Set up basic build pipelines using Azure DevOps Pipelines or GitHub Actions
Infrastructure as Code (IaC): Develop and deploy resources using ARM templates, Bicep, or Terraform scripts
Monitoring & Logging: Set up Azure Monitor alerts, configure Log Analytics workspaces, and query logs using Kusto Query Language (KQL)

Job Responsibility

Linux System Administration: Manage core Linux operations including file system navigation, file permissions, user/group management, cron jobs, and system resource monitoring
Azure Core Services: Proficient in using the Azure Portal and Azure CLI to provision Virtual Networks (VNets), Virtual Machines (VMs), Azure Blob Storage, Role-Based Access Control (RBAC), and Azure SQL Database
Networking Fundamentals: Design and configure Azure VNets, including subnets, route tables, internet gateways, NAT gateways, and Network Security Groups (NSGs)
Compute Resource Management: Launch, connect, and monitor Azure Virtual Machines using SSH, Azure Bastion, or Serial Console
Storage Operations: Create and manage Azure Blob Storage containers, enable versioning, implement lifecycle management rules, configure encryption, and manage access tiers
IAM & Security: Manage Azure Active Directory (AAD) users, groups, and role assignments
CI/CD & Source Control: Use Azure Repos or GitHub for source control. Set up basic build pipelines using Azure DevOps Pipelines or GitHub Actions
Infrastructure as Code (IaC): Develop and deploy resources using ARM templates, Bicep, or Terraform scripts
Monitoring & Logging: Set up Azure Monitor alerts, configure Log Analytics workspaces, and query logs using Kusto Query Language (KQL)
Serverless & Event Automation: Create and deploy Azure Functions

What we offer

Opportunity to work on technical challenges with global impact
Vast opportunities for self-development, including online university access and sponsored certifications
Sponsored TechTalks & Hackathons to foster innovation and learning
Generous benefits package including health insurance, retirement benefits, flexible work hours, and more
Supportive work environment with forums to explore passions beyond work

Fulltime

Senior DevOps Engineer

Corporate Tools is seeking a DevOps Engineer with deep expertise in virtualizati...

Location

Salary:

175000.00 USD / Year

Corporate Tools

Expiration Date

Until further notice

Requirements

4+ years of experience in DevOps, Infrastructure, or Linux Systems Engineering roles
Strong background in Linux systems administration and troubleshooting (RHEL, CentOS, Ubuntu, or similar)
Deep hands-on experience with Proxmox or another enterprise virtualization platform (e.g., VMware vSphere, KVM, Xen)
Proficiency with infrastructure-as-code tools (Terraform, Ansible, or similar)
Comfortable working with container technologies such as Docker or Podman
Experience with CI/CD tooling (e.g., GitLab CI, Jenkins, Drone)
Strong scripting skills (Bash, Python, or Ruby)
Solid understanding of networking concepts and best practices in on-prem environments
Familiarity with managing physical infrastructure remotely (e.g., IPMI, iDRAC, iLO)
Experience managing on-prem Kubernetes clusters (or hybrid deployments)

Job Responsibility

Design, implement, and manage on-premise infrastructure to support scalable and reliable applications
Perform capacity planning and scalability assessments to ensure infrastructure growth meets business requirements
Collaborate with software development teams to implement best practices for deployment and infrastructure management
Coordinate with IT and Network teams to ensure proper infrastructure setup, connectivity, and integration with other systems
Design and implement Continuous Integration (CI) and Continuous Deployment (CD) pipelines for on-prem applications
Ensure seamless integration between development, QA, and production environments
Continuously monitor and improve the performance of on-prem systems and applications
Research, evaluate, and integrate new technologies to enhance the functionality and performance of on-prem infrastructure

What we offer

100% employer-paid medical, dental and vision for employees
Annual review with raise option
22 days Paid Time Off accrued annually, and 4 holidays
After 3 years, PTO increases to 29 days. Employees transition to flexible time off after 5 years with the company—not accrued, not capped, take time off when you want
The 4 holidays are: New Year’s Day, Fourth of July, Thanksgiving, and Christmas Day
Paid Parental Leave
Up to 6% company matching 401(k) with no vesting period
Quarterly allowance
Use to make your remote work set up more comfortable, for continuing education classes, a plant for your desk, coffee for your coworker, a massage for yourself... really, whatever
Open concept office with friendly coworkers

Fulltime

Windchill Technical Lead

The Windchill System Administrator is responsible for the administration, mainte...

Location

India , Bengaluru

Salary:

Not provided

Sopra Steria

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent experience)
Proven experience as a Windchill System Administrator or in a similar role
Sound knowledge on Windchill architecture
Experience in working with Windchill 9, 10, 11 and 12 versions
Strong knowledge of Windchill PLM software and related technologies
Proficiency in system administration of Windows and/or Linux servers
Familiarity with database management (e.g., Oracle, SQL Server)
Excellent problem-solving and troubleshooting skills
Strong communication and collaboration skills
Ability to work in a team and independently

Job Responsibility

Install and configure Windchill software components, including Windchill PDMLink, Windchill ProjectLink, and other related modules
Set up and maintain databases, application servers, and other infrastructure components required for Windchill
Perform regular system maintenance tasks, including patching, updates, and backups
Monitor system performance, troubleshoot issues, and ensure high availability and reliability
Implement and enforce security policies and access controls to protect sensitive product data
Ensure compliance with industry regulations and standards
Maintain comprehensive documentation of system configurations, procedures, and best practices
Optimize system performance by tuning configurations
Collaborate with cross-functional teams, including engineers, developers, and IT personnel, to support product development processes
Plan and execute system upgrades and migrations to newer Windchill versions

What we offer

Commitment to fighting against all forms of discrimination
Inclusive and respectful work environment
All positions open to people with disabilities

Fulltime

AWS Support Engineer

We are seeking an experienced support engineer to work with our clients' AWS inf...

Location

Salary:

Not provided

Noveo

Expiration Date

Until further notice

Requirements

AWS Core Services: Strong understanding of EC2, S3, RDS, VPC, IAM, CloudWatch, EKS, ECS, ECR
Linux Administration: Basic Ubuntu and Amazon Linux administration skills
Networking Basics: Understanding of TCP/IP, DNS, HTTP/HTTPS
ability to perform basic network diagnostics
Command Line: Proficient in Bash, basic system commands
Monitoring Systems: Experience with CloudWatch, Zabbix, Nagios, or similar
ITSM Tools: Experience with ticketing systems (Jira Service Management, ServiceNow, etc.)
AWS Advanced Services: Hands-on experience with ELB, Auto Scaling, CloudFront, Route 53, ElastiCache
AWS Monitoring: Experience with CloudTrail, X-Ray, detailed CloudWatch metrics analysis
Basic understanding of AWS billing

Job Responsibility

Monitoring client AWS infrastructure using monitoring systems
Logging and initial classification of incoming incidents
Performing initial diagnostics using standard procedures
Resolving routine incidents according to documented procedures
Incident handling in accordance to SLA
Communicating with clients to gather additional information
In-depth technical diagnostics of more complex AWS infrastructure issues
Direct connection to client infrastructure to resolve incidents
Analysis of logs, performance metrics, and AWS service status
Performing service recovery operations (restart, scaling, reconfiguration)

What we offer

Paid vacations (24 working days/year) and sick leave
Working on exciting projects in international team of professionals
Opportunities for learning and practicing new technologies
internal training
Participating in inner meetups and permanent experience exchange with colleagues
Well-defined development processes and methodologies
Partial reimbursement of medical fees, massage or sports.

Fulltime

System Admin (OS Admin)- L3

Act as the SME for Ubuntu/Linux operations. Provide deep troubleshooting, RCA, p...

Location

India , Bangalore

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

8+ year of experience in Ubuntu/Linux operations
Strong troubleshooting of Ubuntu with KVM
Proficiency in KVM advanced ops (networking, storage, migration, tuning)
Experience on Bash/Python scripting
ITIL (Incident, Problem, Change Management)
Bachelor’s degree in engineering (or Equivalent)
Linux certifications (RHCSA / RHCE)
Strong Knowledge in Linux – Ubuntu
Strong understanding on Virtualization platform – KVM
Good Knowledge on Linux Life cycle management, release management, Vulnerability assessment and Mitigation

Job Responsibility

Lead the delivery outcomes for designated Accounts
Lead, Own and Drive all Major incidents End-End and providing the RCAs
Conduct / Participate regular customer meetings and provide regular status updates
Prepare / maintain the Technical Documentation – Inventory, Run book, KB Article, KEDB and SOPs for all desired activity and work for the account
Continuously review and improve existing processes to ensure operational efficiency and customer satisfaction
Act as the primary point of contact for all Linux technology inquiries and engagements
Collaborate with Cross-Functional teams for solutions that meet clients' Linux technology needs
Maintain service level agreements (SLAs) and other key performance indicators (KPIs) for Managed Services customer for the MS Linux Practice
Develop and maintain a thorough understanding of emerging technologies, industry trends, and best practices in Linux technology
Identify and lead the execution of process improvement initiatives

What we offer

Health & Wellbeing
Personal & Professional Development
Unconditional Inclusion

Fulltime

DevOps & Linux System Administrator

Özgür Yazılım

Location:
Turkey , Istanbul

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Requirements:

Nice to have:

Additional Information:

Job Posted:
February 20, 2026

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