Senior DevOps Engineer (Integration Specialist)

Company Description Sintrex enables informed business and management decisions by providing credible, consistent IT infrastructure information. The company focuses on innovative, excellence-driven technical and consultative IT services that deliver reliable, robust, and user-friendly solutions. Through a culture of excellence, partnership, and enjoyment at work, Sintrex offers team members an inspiring environment, world-class tools, and access to globally recognized suppliers and partners. Core services include infrastructure, asset, application, and SLA management, helping clients navigate complex, global IT environments for maximum efficiency and uptime. More information about Sintrex and its services is available at www.sintrex.com.

Role Description As part of a small DevOps team, the successful candidate will also contribute to broader DevOps, platform support, automation and troubleshooting responsibilities when required. The candidate must be comfortable working in a highly pressured environment, taking ownership, managing competing priorities and continually developing their skills through selflearning.

Core Outputs

• Investigate vendor and customer platforms and comparable systems and identify supported methods of obtaining the required data.
• Develop and maintain commercial-grade API clients, collectors, webhook receivers, protocol adapters and scheduled integrations.
• Transform, validate, map, normalise and store source data in internal or external monitoring platforms or approved staging and observability platforms such as SQLite, MariaDB, PostgreSQL, Elasticsearch, TimescaleDB, MongoDB or Graylog etc.
• Develop queries, dashboards, variables, alerts and integration-health views that demonstrate data availability and operational value.
• Implement secure authentication, secrets handling, pagination, rate-limit handling, timeouts, retries, backoff, deduplication, logging and health checks.
• Containerise, deploy, schedule, monitor and troubleshoot integration components using Linux, Docker and approved CI/CD processes.
• Produce interface documentation, sample payloads, field mappings, data dictionaries, deployment instructions and operational runbooks.
• Prepare and submit detailed internal user stories and acceptance criteria once source access, data quality and field mappings have been proven.
• Deliver work to agreed quality, standards, scope and estimates and contribute to reusable integration patterns and technical standards.
• Mentor Junior DevOps Engineers and support broader DevOps, automation, platform implementation and incident-resolution activities when required.
• Grade 12
• Relevant ICT, software development, data engineering or similar qualification, or equivalent practical experience
• 5+ years' relevant software, integration or DevOps experience, including at least 3 years building and supporting production integrations and environments
• Strong Node.js/Python/TypeScript development experience for API clients, data transformation and automation
• Strong hands-on experience consuming REST APIs and working with JSON, webhooks, polling, pagination and rate limits
• Experience with secure integration access patterns, including OAuth 2.0, API tokens, JWT, certificates and secrets management
• Strong SQL/NoSQL and relational/non-relational data-modelling experience using MariaDB/MySQL, PostgreSQL, SQLite, Elasticsearch, TimescaleDB or MongoDB
• Experience extracting, validating, mapping, transforming and normalising data from external systems
• Strong Linux administration and troubleshooting skills, including Bash or equivalent shell scripting, Docker and Docker Compose
• Git and CI/CD pipeline experience
• Understanding of reliable integration patterns, including timeouts, retries, backoff, idempotency or deduplication, logging and health checks
• Ability to investigate unfamiliar vendor platforms and independently prove a supported route to the required data
• Ability to create clear interface documentation, field mappings, runbooks, technical user stories and acceptance criteria
• Willingness and ability to contribute to broader DevOps and platform-support responsibilities when required
• Experience with protocols and formats such as SNMP, syslog, SFTP, WebSockets, MQTT, JSON, XML and CSV
• VueJS / React / Angular or similar experience • Understanding or relevant experience with Grafana
• Experience with Python frameworks and libraries such as FastAPI, Pydantic, SQLAlchemy, Alembic, httpx or requests
• Infrastructure-automation and container-orchestration experience
• Networking knowledge, including DNS, routing, firewalls, proxies, TLS, certificates, API gateways or reverse proxies