System Administrator DevOps

LinkIT pt; Jakarta Selatan; Hybrid; IDR 350,000,000 - 500,000,000; Part time

Benefits offered by this job

Flexitime

Medical Insurance

Job summary

LinkIT 360 adalah perusahaan TI yang menyediakan solusi digital untuk VAS dan platform digital. Kami mencari System Administrator berpengalaman untuk mengelola dan memelihara server produksi berbasis Linux yang mendukung platform telco/VAS.

Peran ini mencakup ketersediaan sistem di atas SLA, penanganan volume transaksi tinggi, serta kolaborasi dengan tim pengembang untuk CI/CD. Posisi ini bersifat hybrid dengan dukungan operasional 24/7 untuk insiden penting.

Job description

DESKRIPSI PEKERJAAN

• Manage and maintain Linux-based production servers supporting telco/VAS platforms
• Ensure system availability, stability, and performance in line with SLA (≥99.9%)
• Handle high transaction volumes and traffic spikes in production environments
• Monitor system performance, logs, and infrastructure health
• Perform troubleshooting, incident response, and root cause analysis
• Manage and optimize Docker-based services
• Operate container orchestration platforms such as Kubernetes or Docker Swarm
• Collaborate with developers on system deployment and CI/CD processes
• Implement system security measures and anomaly monitoring
• Prepare technical documentation and incident reports
• Participate in on-call support for critical system incidents
• Administered and maintained the Elasticsearch Stack (ELK) including Elasticsearch, Kibana, Logstash, Fluent-bit, Filebeat, Metricbeat, Heartbeat, Elastic APM, and Kibana Machine Learning (Mandatory).
• Performed Elasticsearch cluster maintenance, including index lifecycle management (ILM), replica tuning, shard relocation, and storage optimization.

KUALIFIKASI MINIMUM

Job Responsibilities

• Manage and maintain Linux-based production servers supporting telco/VAS platforms
• Ensure system availability, stability, and performance in line with SLA (≥99.9%)
• Handle high transaction volumes and traffic spikes in production environments
• Monitor system performance, logs, and infrastructure health
• Perform troubleshooting, incident response, and root cause analysis
• Manage and optimize Docker-based services
• Operate container orchestration platforms such as Kubernetes or Docker Swarm
• Collaborate with developers on system deployment and CI/CD processes
• Implement system security measures and anomaly monitoring
• Prepare technical documentation and incident reports
• Participate in on-call support for critical system incidents
• Administered and maintained the Elasticsearch Stack (ELK) including Elasticsearch, Kibana, Logstash, Fluent-bit, Filebeat, Metricbeat, Heartbeat, Elastic APM, and Kibana Machine Learning (Mandatory).
• Performed Elasticsearch cluster maintenance, including index lifecycle management (ILM), replica tuning, shard relocation, and storage optimization.

Job Requirements

• Bachelor’s degree in Information Technology, Computer Science, or related field
• Minimum 5–8 years of experience as a System Administrator
• Strong experience managing Linux production servers (Ubuntu / CentOS / Debian)
• Experience working with high-traffic or production-critical systems
• Hands‑on experience with Docker containerization (mandatory)
• Experience with Kubernetes or Docker Swarm
• Good understanding of networking concepts, system architecture, and API integration
• Experience using monitoring and logging tools such as Grafana, Prometheus, Elasticsearch Stack (ELK) including Elasticsearch, Kibana, Logstash, Fluent‑bit, Filebeat, Metricbeat, Heartbeat, Elastic APM, and Kibana Machine Learning (a must).
• Experience handling incident management and performance optimization and elasticsearch cluster maintenance, including index lifecycle management (ILM), replica tuning, shard relocation, and storage optimization.
• Willing to participate in 24/7 on‑call rotation for critical incidents

Preferred Background

Candidates with experience in the following industries are highly preferred:

• Telecommunication companies
• VAS (Value Added Services)
• Content Provider / SMS Gateway companies
• High traffic digital platforms

Experience supporting platforms such as:

• SMS Gateway / Messaging Platforms
• OTP or Authentication Systems
• Telco API services

RINGKASAN PERKERJAAN

• *SPESIALISASI**: IT and Software
• *PENDIDIKAN MINIMAL**: S1 (Sarjana)
• *SISTEM KERJA**: Hibrid
• *TIPE PEKERJAAN**: Contractual
• *LOKASI**: South Jakarta, DKI Jakarta, Indonesia
• *INDUSTRI**: Information Technology / IT
• *SITUS PERUSAHAAN**: https://linkit360.com/

FASILITAS & BENEFIT

Fasilitas: flexitime, med_ins

TENTANG PERUSAHAAN

LinkIT 360 is an information technology and digital solutions company specializing in mobile Value-Added Services (VAS), digital platforms, software development, system integration, and technology-based business solutions.

We support telecommunications operators, enterprises, government institutions, and strategic partners in developing, implementing, and monetizing scalable digital solutions. With operations and business exposure across Southeast Asia, LinkIT 360 combines technology, commercial strategy, and industry expertise to deliver reliable solutions that drive revenue growth, operational efficiency, and digital transformation.