DevOps Engineer - Freelance

Who we are

Bitrock is a high-end consulting and system integration company, strongly committed to offering cutting-edge and innovative solutions. Our tailored consulting services enable our clients to preserve the value of legacy investments while migrating to more efficient systems and infrastructure. We take a holistic approach to technology: we consider each system in its totality, as a set of interconnected elements that work together to meet business needs.

We thrive on overcoming challenges to help our clients reach their goals, by supporting them in the following areas: Data, AI & ML Engineering; Back-end Engineering, Platform Engineering, Front-end Engineering, Product Design & UX Engineering, Mobile App Development, Quality Assurance, FinOps, GovernanceThe effectiveness our solutions also stems from partnerships with key technology vendors, like HashiCorp, Confluent, Lightbend, Databricks, and Meterian.

Who we are looking for

We are looking for a Senior DevOps Engineer with solid experience in enterprise environments and mission-critical infrastructures. In this role, you will have full autonomy over a broad technological scope, guide technical decisions, lead Root Cause Analysis (RCA) activities, and act as a key point of reference and mentor for more junior team members.

Key Responsibilities:

• Orchestration & GitOps: manage multi-cluster operations (Dev/QA/Prod) on Kubernetes / AKS, handling advanced troubleshooting and secret management via SOPS + age.
• CI/CD Automation: design and optimize Azure DevOps Pipelines (YAML, shared templates, environment promotion processes, and build queues).
• Migration & Infrastructure: manage the transition and coexistence of mixed environments (legacy Linux VMs with Tomcat ↔ AKS), overseeing packaging (Docker/JIB) and application builds within the JVM ecosystem (Java 8→25, Spring Boot).
• Observability & Incident Management: lead Root Cause Analysis (RCA) and drive end-to-end production incident management, leveraging advanced monitoring tools.
• Security & Quality Gates: ensure code and container security by supervising policies and vulnerability remediation (Snyk, SonarQube, AppScan).
• Mentoring & Leadership: serve as the team's technical reference point, promoting knowledge transfer and interfacing with clients and vendors.

Requirements:

• Containers & GitOps: Kubernetes (AKS), kubectl, Helm / Helmfile, SOPS / age.
• Cloud & CI/CD: Azure (AKS, ACR, basic networking, Storage), Azure DevOps Pipelines (YAML).
• Version Control: Git / Bitbucket (Cloud & Data Center), excellent knowledge of branching strategies and release management.
• Java/JVM Ecosystem: Maven, Java (versions 8 to 25), Spring Boot, Tomcat, Docker/JIB.
• Data & Streaming: Kafka / Confluent Cloud, RabbitMQ, MySQL (InnoDB Cluster), MongoDB (operations and diagnostic queries).
• Networking & CDN: Akamai, Apache, Traefik (reverse proxy), mod_jk.
• OS & Scripting: Linux (VM administration, SSH, Bash scripting).
• Observability & Security: Elastic APM, OpenTelemetry, Prometheus/Thanos, Splunk (or Datadog), Snyk, SonarQube, HCL AppScan.
• Ownership & Autonomy: end-to-end approach to problem-solving and a strong result-oriented mindset.
• Structured Communication: ability to manage weekly progress meetings (SAL/status reports), incident reporting, and effective communication in time-critical situations (hotfixes/releases).

Nice to Have:

• Knowledge of Terraform / IaC (applied to Confluent or Datadog).
• Familiarity with AWS messaging services (SNS, SQS, Pinpoint, SES).
• Proficiency with HashiCorp Vault.
• Experience with Keycloak / Azure AD B2C / OAuth-PKCE integrations.
• Previous experience in the Retail / Eyecare domain (booking and appointment systems).

Recruitment process:

Our recruitment process has 3 stages:

• First discovery short interview with our HR team
• Technical interview with our Team Leaders
• Final interview with our Client

How to apply:

You can apply via LinkedIn or send your cv to [email protected]