Senior Application Operations Specialist

DCG (Poland); Województwo mazowieckie; On-site; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Private medical care

Co-financing for sports card

Dedicated consultant support

Job summary

DCG (Poland) is seeking an experienced Senior Application Operations Specialist to support release management, monitor production systems, and provide L2 incident support for critical applications. You will collaborate with engineering teams to ensure stability and timely incident resolution across distributed services.

The ideal candidate has hands-on experience with Docker, Kubernetes, Jenkins, GitHub/Bitbucket, Apache Kafka, SQL, and modern authentication like LDAP/Kerberos/JWT, plus

Qualifications

• Hands-on experience with modern container orchestration and CI/CD workflows.
• Proficient in deploying and supporting distributed systems in production.

Responsibilities

• Support Release Management in delivering software to production environments.
• Monitor production systems, investigate issues, and ensure timely resolution.
• Provide Level 2 (L2) support for production incidents.
• Perform root cause analysis (RCA) to identify issues and prevent recurrence.
• Collaborate with technical teams to maintain stability and reliability of production environments.

Skills

Kubernetes

Jenkins

GitHub/Bitbucket

SQL

LDAP

Kerberos

JWT

HTTPS

Splunk

Prometheus

InfluxDB

Grafana

Microservices

English fluency

Tools

Docker

Kafka

PostgreSQL

OpenSSL

keytool

Job description

Senior Application Operations Specialist

Stanowisko: Senior Application Operations Specialist

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

Senior Application Operations Specialist

Responsibilities:

• Support Release Management in delivering software to production environments
• Monitor production systems, investigate technical issues, and ensure timely resolution
• Provide Level 2 (L2) support for production incidents
• Perform root cause analysis (RCA) to identify underlying issues and prevent recurring incidents
• Collaborate with technical teams to maintain the stability and reliability of production environments

Requirements:

• Hands-on experience with Docker and Kubernetes
• Knowledge of Jenkins and version control platforms (GitHub/Bitbucket)
• Experience working with Apache Kafka
• Good understanding of SQL
• Knowledge of authentication and authorization mechanisms (LDAP, Kerberos, JWT)
• Familiarity with cryptography tools (OpenSSL, keytool) and secure communication protocols (HTTPS)
• Experience with logging and troubleshooting tools (Splunk)
• Knowledge of monitoring, metrics, and alerting solutions (Prometheus, InfluxDB, Grafana)
• Good understanding of microservices architecture
• Strong interpersonal and communication skills
• Fluency in English (both written and spoken)

Nice to have:

• Experience working with PostgreSQL

Offer:

• Private medical care
• Co-financing for the sports card
• Constant support of dedicated consultant