IT Application Administrator

We are looking for an IT Application Administrator for our partner HayPass who will be responsible for the management, configuration, maintenance and support of the applications used in the organization and the operating systems installed in such solutions. He/she ensures that applications are working properly, are secure, and meet business requirements, following the policies and processes defined by HayPass and mother company INSI Group.

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HayPass is the company which entered into public private partnership with the Armenian Government to implement the new biometric ID management infrastructure and ID card project.

HayPass will then operate the infrastructure and deliver ID Services to the Citizen of Armenia (on

behalf of the Ministry of Internal Affairs) for the next 11 years.

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Reporting Line: Reports to IT Manager

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Primary Responsibilities

 

Application & Runtime Administration:

• Install, configure, and maintain software applications running on RKE2

• Manage and support Applications in prod & non-production environments

• Administrate Spring Boot, Tomcat, Angular, Flowable, and Vert.x-based services.

• Ensure optimal performance and high availability of the application stack.

• Work closely with developers to implement new functionalities

• Execution of checklist and preventive tests of all his/her subsystems.

• Monitor application(s) performance and availability.

• Create, update and maintain detailed documentation.

 

Container Orchestration & Deployment:

• Operate & maintain applications deployed on RKE2 (Kubernetes) clusters.

• Deploy using Helm/Helm Charts, YAML, & automation scripts.

• Write and maintain scripts for operational tasks and automation.

 

Monitoring & Observability:

• Maintain and improve monitoring infra using Prometheus & Grafana.

• Integrate Logstash pipelines to collect logs and metrics for analysis.

• Implement custom dashboards, alerts, and health checks for critical application components.

 

Reporting & Analytics:

• Develop and maintain operational reports and dashboards using OpenSearch and Apache Superset.

• Enhance log and metrics analysis to support service performance, security auditing, and incident management.

• Design queries and visualizations over logs and time-series metrics using OpenSearch and Logstash data.

 

Database Support:

• Coordinate with DBAs to support Oracle and PostgreSQL DBs.

• Monitor DB health, performance, and connectivity issues.

 

CI/CD & Automation:

• Integration of application deployment into CI/CD pipelines.

• Jenkins pipeline experience is a plus.

 

Documentation & Collaboration:

• Document deployment procedures, configurations, and issue resolutions.

• Collaborate closely with developers, QA, DevOps, and infrastructure teams.

• Lead troubleshooting of high-priority incidents and conduct RCA.

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Required Qualifications
 

•  Bachelor’s degree in computer science, engineering or related fields.

• 5+ years of experience in enterprise applications or systems administration.

• Strong hands-on experience with:

        - Java, Node.js, , OpenJDK, Python runtimes

        - Spring Boot, Tomcat, Angular, Flowable, Vert.x frameworks

        - Docker (preferably RKE2) container management

        - Kubernetes deployment and orchestration

        - Infrastructure automation with YAML, Helm, Python scripting

        - Log and metric pipelines: Logstash, Prometheus, Grafana

        - Reporting and visualization: OpenSearch, Apache Superset

• Hands-on experience with Linux-based environments and shell scripting.

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Preferred Skills​

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•  Experience with Jenkins or other CI/CD tools.

• Familiarity with GitOps, Terraform workflows or other IaC tools.

• Kubernetes certifications (CKA/CKAD) is a plus.

• Exposure to monitoring and logging tools (Prometheus, Grafana, ELK).

• Experience in HA, security-hardened, or production-critical environments.

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Generic Skills & Competencies

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• Strong troubleshooting and analytical skills.

• Ability to work independently and as part of a cross-functional team

• Clear and concise communication — written and verbal.

• Excellent documentation and knowledge-sharing habits.

• Self-driven and proactive approach to system improvement.

• Good to excellent knowledge of English.

• Adaptability to change.

• Results-oriented.