DevOps – Open Application | DevOps - candidature libre

DevOps & Sysadmin

Professional Galaxy AB

Professional Galaxy is an IT and technology consulting company that provides highly specialized expertise within IT, software development, SAP, purchasing, electronics and mechanical design. We collaborate with experienced senior experts and deliver strategic value-creating expertise to some of Sweden's most complex and analytically demanding projects. Our focus is always on high quality, professionalism and clear, measurable results. We are now seeking a DevOps & Sysadmin for one of our clients. About the assignment: We are looking for a dedicated DevOps/Sysadmin Engineer to join our software development team. In this role, your focus will be developing, testing, and deploying software development environments. You will be part of a team of software developers working in DevOps. Your primary goal will be to ensure that we develop high-quality development environments that meet and exceed our customers' needs. Having a proactive, solution-oriented mindset and being a team player is important in this role. You have 3-8 years relevant experience. Main Responsibilities • Designing, building, deploying and testing software development environments and supporting the solution. Examples of areas include Bitbucket & Artifactory deployment in Kubernetes. Your Profile Education: BSc or MSc in Computer Science, Electronic Engineering or similar technical degree System Knowledge, Must-Have: • Strong knowledge of Linux • Container technologies in Linux systems • Container knowledge: Docker, Podman, Nerdctl or similar • Database knowledge: PostgreSQL, MySQL, NoSQL • Solid agile working, for example knowing how to write DoD/DoR, acceptance criteria, story point complexity estimation, velocity • Planning with Jira and estimating tasks with SMART goals • Experience with CI/CD, for example CI-tools (Jenkins or runners) • Pipelines with build, testing (unit, integration, end-to-end), SAST, DAST, release of artifacts, deploying to staging/production • Version control: Git, Subversion or similar • Experience with artifact stores • Applications: Mattermost, SonarQube, Jenkins, Confluence, Vault • Programming languages: Python, Perl, Bash, YAML or any other common language Nice-to-Have: • DevSecOps with security first • Scanning of third-party libraries, container images for vulnerabilities • Algorithm and management of system communication with different protocols • Agentic AI development (nice to have) • API protocols: REST, GraphQL, OpenAPI, XML or similar • Database migration tools: Flyway, Liquibase • AWS, Azure, GCP Personal Qualities • Driven, initiative, open to learn new technology and open to work together as a team and be part of a team of driven software developers • Excellent communication and collaboration skills • Team player and mentor for juniors • Innovative • Adaptability and a continuous improvement mindset • Customer-focused approach and a passion for delivering value • Problem-solving skills • English & Swedish Full-time on-site. The selection of candidates is done continuously. Good opportunities for an extension off the assignment. Last Date to Apply 2026-07-31 Are you the right person for the assignment, or do you want to recommend a strong candidate? Do not hesitate to contact us. Please apply directly through our system with: - Your updated CV in english - Availability to start the assignment In the motivation, describe why you are suitable for this assignment - refer to previous consulting assignments, employmxent, education and personal qualities. Please note: We do not accept any applications through mail. All applications have to be sent through the portal to be valid. Offer continuously: Please note that for this role we offer continuously. That means that we sometimes remove the assignments before the deadline. If you are interested, we recommend that you apply immediately.

Cloud Engineer

Moniepoint

Who we are Moniepoint Inc. is Africa’s all-in-one financial platform, helping 20 million businesses and individuals access seamless payments, banking, credit, cross-border, and business management tools each month.  As Nigeria’s largest merchant acquirer, we power most of the country’s point-of-sale (POS) transactions. Through our subsidiaries, Moniepoint Inc. processes over $250 billion in digital payment transaction value annually. About the role Engineering at Moniepoint is an inspired, customer-focused community dedicated to crafting solutions that redefine our industry. Our infrastructure runs on some of the cool tools that excite infrastructure engineers - kubernetes, docker etc. We also make business decisions based on the large stream of data we receive daily, so we work daily with big data, perform data analytics and build models to make sense of the noise and give our customers the best experience. Curious about what makes Moniepoint an incredible place to work? Check out posts on how we cultivate a culture of innovation, teamwork, and growth. Position Overview We are seeking an experienced Cloud Engineer to design, implement, and manage our multi-cloud infrastructure. The ideal candidate will have deep expertise in cloud platforms, container orchestration, infrastructure automation, CI/CD pipelines, and observability solutions, ensuring scalable, reliable, and cost-effective cloud operations across multiple cloud providers. Principal Duties and Responsibilities Cloud Infrastructure Management * Design, deploy, and manage multi-cloud infrastructure across Google Cloud Platform (GCP), Amazon Web Services (AWS), Azure, and Oracle Cloud Infrastructure (OCI) * Architect and implement highly available, fault-tolerant, and scalable cloud solutions * Manage cloud resources including compute instances and networking components * Design and implement disaster recovery and business continuity plans for cloud workloads * Migrate on-premises applications and services to cloud environments with minimal disruption * Optimize cloud resource utilization and implement auto-scaling policies * Maintain comprehensive documentation of cloud architectures, configurations, and runbooks Kubernetes & Container Orchestration * Design, deploy, and manage production-grade Kubernetes clusters across multiple cloud providers * Implement and maintain container orchestration strategies for microservices architectures * Configure and manage Kubernetes resource objects * Manage Kubernetes cluster upgrades, scaling, and performance optimization * Troubleshoot complex container and orchestration issues in production environments * Implement multi-cluster and multi-region Kubernetes deployments for high availability Service Mesh & Advanced Networking * Design, deploy, and manage Istio service mesh for microservices communication and observability * Configure Istio traffic management, including virtual services, destination rules, and gateways * Implement advanced traffic routing (canary deployments, A/B testing, traffic splitting) using Istio * Deploy and manage Istio observability components (telemetry, distributed tracing, service graphs) * Implement circuit breaking, retries, timeouts, and fault injection for resilience testing * Configure Istio ingress and egress gateways for external traffic management * Monitor and optimize service mesh performance and resource utilization * Implement multi-cluster service mesh architectures across different cloud providers Reverse Proxy & Load Balancing * Deploy, configure, and manage HAProxy for high-performance load balancing and reverse proxy * Implement HAProxy ACLs, backend routing, health checks, and session persistence * Design and implement Nginx as reverse proxy for web applications and API gateways * Configure Nginx for rate limiting and request filtering * Implement Nginx load balancing algorithms and upstream health monitoring * Manage Nginx Plus features for advanced traffic management and monitoring * Optimize HAProxy and Nginx performance for high-throughput environments Infrastructure as Code & Configuration Management * Develop and maintain infrastructure as code using Terraform * Create reusable, modular Terraform configurations for various cloud resources and Implement Terraform state management and remote backends * Design and implement configuration management solutions using Ansible * Develop Ansible playbooks and roles for automated server provisioning and configuration * Integrate Terraform and Ansible workflows for end-to-end infrastructure automation * Implement infrastructure version control, code review processes, and GitOps practices * Manage infrastructure drift detection and remediation * Create and maintain infrastructure documentation and architecture diagrams * Implement policy-as-code using tools like OPA (Open Policy Agent) or Sentinel CI/CD Pipeline Management * Design, implement, and maintain continuous integration pipelines using Jenkins and Harness * Optimize build times and pipeline efficiency * Integrate security scanning (SAST, DAST, container scanning) into CI/CD pipelines * Configure Jenkins jobs, pipelines, and shared libraries for automated build, configure build agents, runners, and execution environments * Implement Harness deployment pipelines for cloud-native applications * Integrate CI/CD pipelines with version control systems (Git, GitHub, GitLab) * Implement continuous deployment workflows using ArgoCD for Kubernetes-based applications * Design and implement GitOps workflows with ArgoCD for declarative application delivery * Manage ArgoCD application definitions, sync policies and multi-cluster deployments * Implement progressive delivery strategies (blue-green deployments, canary releases) using ArgoCD Message Streaming & Event-Driven Architecture * Deploy and manage Apache Kafka clusters for real-time data streaming and event-driven architectures * Configure Kafka topics, partitions, replication factors, and retention policies * Implement Kafka Connect for data integration with various sources and sinks * Monitor Kafka cluster health, performance metrics, and consumer lag * Optimize Kafka performance for high-throughput and low-latency use cases * Troubleshoot Kafka producer and consumer issues Database & Proxy Management * Deploy, configure, and manage ProxySQL for MySQL load balancing and high availability * Implement query routing, caching, and connection pooling strategies using ProxySQL * Optimize database performance through ProxySQL query analysis and optimization * Implement database failover and disaster recovery using ProxySQL * Monitor ProxySQL metrics and troubleshoot connection and performance issues * Integrate ProxySQL with database clusters and replication topologies * Implement database access security and audit logging through ProxySQL Cloud Networking * Design and implement cloud networking architectures, including VPCs, subnets, and network segmentation * Configure and manage cloud load balancers (Application Load Balancers, Network Load Balancers, Cloud Load Balancing) * Implement VPN connections, Direct Connect/Interconnect, and hybrid cloud networking solutions * Implement network security controls, including security groups, network ACLs, and firewall rules * Implement network monitoring and traffic analysis * Troubleshoot complex networking issues across multi-cloud environments * Design and implement private connectivity between cloud providers Secrets Management & Security * Configure and manage HashiCorp Vault for centralized secrets management across multi-cloud environments * Configure Vault secret engines (KV, database, PKI, AWS, GCP, Azure dynamic secrets) * Manage Vault high availability clusters and disaster recovery procedures * Implement dynamic database credentials and secret rotation strategies * Manage Vault encryption as a service for application-level encryption * Implement Vault agent and sidecar injectors for Kubernetes workloads * Migrate secrets from legacy systems to Vault   Qualifications, Competency & Skills Required Education & Experience * Bachelor's degree or diploma in Computer Science, Information Technology, Engineering, or related field * Minimum of 5 years of proven experience in cloud engineering, DevOps, or platform engineering roles * Hands-on experience managing production workloads across multiple cloud platforms * Relevant cloud and technology certifications are highly desirable  Technical Skills Cloud Platforms (Required) * Google Cloud Platform (GCP): Deep expertise in Compute Engine, GKE, Cloud Storage, Cloud SQL, VPC, Cloud Functions, Cloud Run, IAM * Amazon Web Services (AWS): Proficiency in EC2, EKS, S3, RDS, VPC, Lambda, ECS, CloudFormation, IAM * Microsoft Azure: Experience with Virtual Machines, AKS, Blob Storage, Azure SQL, Virtual Networks, Azure Functions, ARM templates * Oracle Cloud Infrastructure (OCI): Familiarity with Compute, OKE, Object Storage, networking, and OCI-specific services * Multi-cloud architecture design and implementation experience * Cloud migration strategies and execution (lift-and-shift, re-platforming, re-architecting) Container & Orchestration (Required) * Expert-level Kubernetes knowledge, including cluster architecture, networking, storage, and security * Hands-on experience with managed Kubernetes services (GKE, EKS, AKS) * Proficiency in Docker containerization, image optimization, and registry management * Experience with Helm charts for application packaging and deployment * Knowledge of container runtime environments (containerd, CRI-O) Service Mesh & Microservices (Required) * Istio: Deep expertise in Istio architecture, deployment, and operations * Istio traffic management (virtual services, destination rules, gateways, service entries) * Istio security features (mTLS, authorization policies, peer authentication, request authentication) * Istio observability and telemetry configuration * Multi-cluster and multi-mesh deployments * Service mesh troubleshooting and performance optimization * Understanding of sidecar proxy patterns and Envoy proxy * Experience with other service mesh solutions (Linkerd, Consul Connect) is a plus Reverse Proxy & Load Balancing (Required) * HAProxy Advanced configuration and management for load balancing and high availability * Nginx Expert-level configuration as reverse proxy and API gateway * Nginx rate limiting, and performance tuning * Nginx load balancing algorithms and upstream configurations * Experience with Nginx modules and custom configurations * High availability configurations using keepalived, VRRP, or similar * Integration with Kubernetes ingress controllers (Nginx Ingress, Istio Ingress) Infrastructure as Code (Required) * Advanced Terraform skills for multi-cloud infrastructure provisioning * Terraform module development, state management, and workspace strategies * Proficiency in Ansible for configuration management and automation * Ansible playbook development, roles, and inventory management * Experience with version control systems (Git) and GitOps workflows * Infrastructure testing frameworks (Terratest, Kitchen-Terraform) CI/CD Tools (Required) * Jenkins: Pipeline development (declarative and scripted), shared libraries, plugin management * Harness: Deployment pipeline configuration, workflow creation, approval gates * ArgoCD: GitOps workflows, application synchronization, multi-cluster management * Integration of CI/CD tools with Kubernetes and cloud platforms * Automated testing and deployment strategies * Artifact repository management (Nexus, Artifactory, cloud-native registries) Messaging & Streaming (Required) * Apache Kafka architecture, cluster management, and operations * Kafka topic design, partitioning strategies, and performance tuning * Kafka Connect experience * Experience with Kafka management tools (Kafka Manager, Cruise Control) * Understanding of event-driven architectures and patterns Database & Proxy Technologies (Required) * ProxySQL configuration, management, and optimization * MySQL database administration basics * Understanding of database replication and clustering Observability & Monitoring (Required) * Prometheus metrics collection, PromQL, and alerting rules * Grafana dashboard design and visualization techniques * Log aggregation and analysis Networking (Required) * Deep understanding of TCP/IP, DNS, HTTP/HTTPS, and network protocols * Cloud networking concepts (VPC, subnets, routing tables, NAT, VPN) * Load balancing strategies and implementations * Service discovery and DNS-based routing * Network security and firewall configuration * Software-defined networking (SDN) concepts Scripting & Programming * Proficient in scripting languages: Python, Bash * Go or python programming basics for tooling development * YAML and JSON for configuration management * Understanding of software development best practices Secrets Management (Required) * HashiCorp Vault: Advanced knowledge of Vault architecture, deployment, and operations * Vault authentication methods and integration with cloud providers and Kubernetes * Vault secret engines (KV v1/v2, database, transit, cloud dynamic... What we can offer you * Culture -We put our people first and prioritize the well-being of every team member. We’ve built a company where all opinions carry weight and where all voices are heard. We value and respect each other and always look out for one another. Above all, we are human. * Learning - We have a learning and development-focused environment with an emphasis on knowledge sharing, training, and regular internal technical talks. * Compensation - You’ll receive an attractive salary, pension, health insurance, annual bonus, plus other benefits. What to expect in the hiring process * A technical interview with the Hiring Manager * A behavioural and technical interview with a member of the Executive team.

Data Engineer - Core systems

iwoca

The company Small businesses move fast. Opportunities often don’t wait, and cash flow pressures can appear overnight. To keep going, and growing, SMEs need finance that’s as flexible and responsive as they are. That's why we built iwoca. Our smart technology, data science and five-star customer service ensures business owners can act with the speed, confidence and control they need, exactly when it's needed. We’ve already cleared the way for 100,000 businesses with more than £4 billion in funding. Our passionate team is driven to help even more SMEs succeed, through access to better finance and other services that make running a business easier. Our ultimate mission is to support one million SMEs in their defining moments, creating lasting impact for the communities and economies they drive. The team You’ll join the Core Systems team, who are responsible for driving innovation across the business by optimising development, building data systems, and continuously improving iwoca products. We follow Agile-inspired processes, using continuous integration and delivery, so that features go live in days or weeks, not months or years. The role We are in the process of transitioning our entire analytics warehouse to Snowflake, from a federated SQL system to improve reliability and speed of accessing our wide data ecosystem. We run a variety of time consuming ETL tasks using libraries such as (NumPy, Scikit-learn, Pandas), and view/tables from a variety of relational databases. The aim is to integrate and transition all to a single data warehouse using Snowflake and dbt. We are looking for someone who has a solid amount of experience in analytics engineering, who can advise and implement high quality and reliable ETL/ELT processes to bridge the gap between data engineering and analytics. You will collaborate with analysts, data scientists and engineers to deliver and improve our data warehouse and processes. You will have the opportunity to learn lots and develop rapidly, with the ability to influence critical data infrastructure. We are embarking on a transition to a data mesh operating model and are looking for a proactive, self-motivated individual to help drive this change. The successful candidate will identify opportunities to improve data processes, enable self-service access across the organisation, and design the governance frameworks and guardrails required to ensure data quality, security, and consistency. The responsibilities * Develop, construct, test and maintain ETL/ELT infrastructure. * Implement robust data testing frameworks in dbt to monitor and ensure data quality and integrity. * Enable product teams to self-serve data more effectively, empowering them to make faster, more informed decisions. * Influence and shape the monitoring, observability, and reliability strategy for the data warehouse, ensuring high availability, performance, and data quality. * Partner with analysts, data scientists, and business stakeholders to understand data requirements and deliver actionable solutions. * Troubleshoot emerging data and operational problems, and be a source of knowledge for end-users on the most appropriate way of using data for their purposes * Support your teammates by learning and sharing your knowledge * Drive knowledge sharing and capability building through mentoring, coaching, and the creation of educational resources and best practices. The requirements Essential: * Experience in implementing reliable and performant ETL/ELT pipelines * Experience with version control systems (e.g., Git) for dbt project management. * Knowledge of CI/CD pipelines for analytics workflows. * Experience with programming languages such as Python * Familiarity with data governance practices and frameworks. * Professional experience in analytics engineering / data analytics. * Solid understanding of SQL with hands on experience with dbt and Snowflake * Comfortable implementing custom (in-house) data solutions where off-the-shelf products are unavailable or unsuitable. Bonus: * Advanced LookML knowledge. * Experience using Pandas (TensorFlow, Scikit-learn, Matplotlib) * DevOps practices Docker and Kubernetes. * Understanding of data science concepts. * Professional experience or a degree in a quantitative field, such as Mathematics, Physics, Engineering, or Computer Sciences The salary We expect to pay from £70,000 - £100,000 for this role. But, we’re open-minded, so definitely include your salary goals with your application. We routinely benchmark salaries against market rates, and run quarterly performance and salary reviews. The culture At iwoca, the best idea wins. We model our culture on independent thinking, challenging untested logic, and evidence-based decisions. We prioritise learning and growth, and give people the autonomy to develop in the direction that makes them most effective. We're a tech company and believe in the power of AI to help us work faster and better. We provide the infrastructure where every iwocan always has access to the best models and where those models have access to all of our data. We will help our people to learn how to use and grow with the new tools available to them. The offices We put a lot of effort into making iwoca a great place to work: * Offices in London, Leeds, Berlin, and Frankfurt with plenty of drinks and snacks. * Events and community-led groups, including running groups, padel, and monthly ping-pong and pool competitions. The benefits * Flexible working hours. * Medical insurance from Vitality, including discounted gym membership. * A private GP service (separate from Vitality) for you, your partner, and your dependents. * 25 days’ holiday per year, an extra day off for your birthday, the option to buy or sell an additional five days of annual leave, and unlimited unpaid leave. * A one-month, fully paid sabbatical after four years. * Instant access to external counselling and therapy sessions for team members that need emotional or mental health support. * 3% Pension contributions on total earnings. * An employee equity incentive scheme. * Generous parental leave and a nursery tax benefit scheme to help you save money. * Electric car scheme and cycle to work scheme. * Two company retreats a year: we’ve been to France, Italy, Spain, and further afield. And to make sure we all keep learning, we offer: * A learning and development budget for everyone. * Company-wide talks with internal and external speakers. * Access to learning platforms like Treehouse. Useful links: * iwoca benefits & policies