Linux/Unix systems jobs

Senior Operations Support Engineer

Netcompany · Posted Nov 9, 2026

Open

Thessaloniki, Central Macedonia, Greece
Hybrid
Senior
7+ years

Senior Operations Support Engineer

Netcompany · Posted Nov 9, 2026

Open

Thessaloniki, Central Macedonia, Greece
Hybrid
Senior
7+ years

Senior Operations Support Engineer

Netcompany · Posted Nov 9, 2026

Open

Patras, Greece
Hybrid
Full-time · Senior
7+ years

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Senior Operations Support Engineer responsible for ensuring reliability, availability, performance, and continuous improvement of complex enterprise IT environments.

Responsibilities

Manage complex production incidents, lead technical investigations, and perform root-cause analyses to prevent recurring issues and improve service reliability.
Define and enhance monitoring and observability strategies, including metrics, logs, dashboards, alerting, and proactive issue detection.
Design and maintain monitoring solutions using platforms such as Prometheus, Grafana, Zabbix, Splunk, and Datadog.
Monitor and optimise system performance, availability, scalability, and resilience across distributed and cloud-native environments.
Support and troubleshoot Linux/Unix systems and containerised environments, leveraging technologies such as Kubernetes, Docker, and OpenShift.

Requirements

Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or a related field.
Nice to have: Infrastructure as Code (IaC) tools such as Terraform or Ansible
Nice to have: AWS, Microsoft Azure, or other cloud platforms
Nice to have: ITIL certification or relevant Linux and Kubernetes certifications
Nice to have: AIOps, cloud-native monitoring, and infrastructure automation

Skills

monitoring and observability platforms such as Prometheus, Grafana, Zabbix, Splunk, or Datadog

Senior Operations Support Engineer

Netcompany · Posted Nov 9, 2026

Open

Athens, Attica, Greece
Hybrid
Full-time · Senior
7+ years

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Senior Operations Support Engineer responsible for ensuring reliability, availability, performance, and continuous improvement of complex enterprise IT environments across Europe.

Responsibilities

Manage complex production incidents and lead technical investigations
Define and enhance monitoring and observability strategies
Design and maintain monitoring solutions using Prometheus, Grafana, Zabbix, Splunk, Datadog
Monitor and optimise system performance, availability, scalability, and resilience
Support and troubleshoot Linux/Unix systems and containerised environments

Requirements

Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or a related field
Nice to have: Infrastructure as Code tools such as Terraform or Ansible
Nice to have: AWS
Nice to have: Microsoft Azure
Nice to have: ITIL certification

Skills

monitoring and observability platforms Linux/Unix systems containerisation and orchestration technologies Kubernetes

Lead, DevOps Engineer

Mastercard · Posted Oct 14, 2026

Open

Mexico City, Mexico City, Mexico
Senior
8–15 years

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Lead, DevOps Engineer

Responsibilities

Lead and own the full lifecycle of services—from architecture and design through deployment, operations, and continuous optimization—ensuring scalability, reliability, and alignment with business objectives.
Analyze platform-level ITSM performance and proactively establish feedback loops with engineering teams, influencing roadmap prioritization to address systemic gaps and improve resiliency.
Define and drive production readiness standards, including operational design reviews, capacity planning, and launch governance, ensuring services meet reliability and scalability benchmarks before go-live.
Define and evolve monitoring frameworks for availability, latency, and system health, leveraging metrics and telemetry to proactively prevent incidents and improve service performance.
Champion automation-first principles to scale systems efficiently, reducing manual toil while improving deployment velocity and overall system reliability.

Requirements

Bachelor’s degree in computer science, Engineering, or a related technical field (e.g., Physics, Mathematics), or equivalent practical experience.

Skills

Site Reliability Engineering

Senior Operations Support Engineer (L2) Freelance (m/f)

ARHS · Posted Nov 5, 2026

Open

Strasbourg, Grand Est, France
On-site
Senior
7+ years

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Support enterprise IT operations for a European institution, managing incidents, monitoring, automation, and middleware integration.

Responsibilities

Manage high‑severity incidents
Lead technical investigations and root‑cause analyses
Define and improve monitoring strategies
Coordinate preventive maintenance
Validate deployment plans and rollback procedures

Skills

ITIL processes Incident management Problem management Change management Release management Event management Capacity management Middleware integration API gateways Messaging solutions Event‑streaming platforms

VAS Engineer

Premier Service & Recruitment · Posted Nov 7, 2026

Open

Cairo, Cairo, Egypt
On-site
Full-time · Senior
5+ years

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We are looking for a skilled VAS Engineer with strong Huawei vendor experience to join our Back Office operations team. In this role, you will be responsible for the maintenance, troubleshooting, operational support, and optimization of Value-Added Services platforms to ensure high availability and performance.

Responsibilities

Oversee day-to-day Back Office operational support, routine maintenance, and incident management for VAS platforms.
Perform deep-dive troubleshooting, root cause analysis (RCA), and system health checks on Huawei VAS solutions (e.g., SMSC, MMSC, USSD, IN, Voicemail).
Handle software upgrades, patch deployments, configuration changes, and integration tasks.
Coordinate with vendor technical support and cross-functional network operations centers (NOC) to resolve complex network issues within agreed SLAs.
Monitor system performance, capacity, and security compliance.

Requirements

Nice to have: analytical skills
Nice to have: problem-solving skills
Nice to have: communication skills

Skills

Huawei architecture and platforms telecom protocols MAP SS7

Site Reliability Engineer

NTT Ltd. · Posted Nov 4, 2026

Open

Hyderabad, Telangana, India
Hybrid
Full-time · Senior

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Seasoned Site Reliability Engineer responsible for ensuring reliability, availability, and performance of company systems and infrastructure.

Responsibilities

Monitors system health, performance metrics, and alerts to identify and respond to incidents promptly
Implements incident response processes to minimize downtime
Designs, develops, and maintains automation tools, scripts, and processes
Implements infrastructure-as-code principles
Optimizes system resources, configurations, and processes

Requirements

Bachelor's degree in Computer Science, Information Technology, or related field
Nice to have: AWS Certified DevOps Engineer - Professional
Nice to have: Google Cloud Professional DevOps Engineer
Nice to have: Certified Kubernetes Administrator (CKA)

Skills

Linux/Unix systems Networking System administration Python Go Java

Quantitative Developer - Production

Qube Research & Technologies · Posted Oct 31, 2026

Open

Hong Kong, Hong Kong
Full-time

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QRT is seeking a Quantitative Developer with strong Python skills and a deep understanding of systems design and reliability principles to help evolve and scale our high-performance trading platform.

Responsibilities

Collaborate with developers, researchers, traders, and platform teams to build and improve business-critical systems
Build automation for operations, deployment, monitoring, and incident response
Evaluate and implement tools that balance performance, complexity, and maintainability
Own and evolve our observability stack: metrics, logs, tracing, and alerts

Requirements

Bachelor's degree in Computer Science or a strongly related field
Nice to have: Low-latency systems
Nice to have: Trading environments
Nice to have: Market data
Nice to have: Exchange protocols

Skills

Python Systems design Reliability principles Computer science fundamentals Linux/Unix systems Scalable systems

Senior Systems Engineer II

RELX · Posted Nov 2, 2026

Open

London, England, United Kingdom
Senior

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Responsible for design, operation, and continuous improvement of cloud-based enterprise system environments, ensuring reliability, security, and performance.

Responsibilities

Diagnose and resolve complex system and performance issues in cloud environments
Monitor system health and proactively address risks to stability, performance, and security
Design and implement system configurations, improvements, and automation
Support and execute change management processes, including impact assessment
Develop and maintain infrastructure as code and operational scripts

Skills

AWS services Linux/UNIX systems Infrastructure as Code Terraform CloudFormation Bash Python CI/CD pipelines DevOps practices

Senior Systems Engineer II

Elsevier · Posted Nov 2, 2026

Open

London, England, United Kingdom
Senior

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Responsible for the design, operation, and continuous improvement of cloud-based enterprise system environments.

Responsibilities

Diagnose and resolve complex system and performance issues in cloud environments
Monitor system health and proactively address risks to stability, performance, and security
Design and implement system configurations, improvements, and automation
Support and execute change management processes, including impact assessment
Develop and maintain infrastructure as code and operational scripts

Skills

AWS services Linux/UNIX systems Infrastructure as Code Terraform CloudFormation Bash Python CI/CD pipelines DevOps practices system monitoring

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