System Manager (Unix)

Job description

Job Summary Avaloq is seeking a Senior Unix Engineer to design, implement, and operate secure, scalable, and highly available Unix/Linux infrastructure across on-premises and cloud environments. The ideal candidate will possess strong expertise in enterprise Linux systems, cloud infrastructure, automation, and operational support. You will play a key role in ensuring the reliability, performance, and security of platform services supporting mission-critical banking applications. Key Responsibilities Design, implement, and maintain enterprise Unix/Linux infrastructure across data center and cloud environments Own and manage Linux-based environments across Dev, Test, and Production with focus on availability and reliability Install, configure, patch, and upgrade Linux systems in line with operational and security standards Monitor system performance, health, and capacity, ensuring proactive optimization Manage system resources including CPU, memory, storage, file systems, and processes Troubleshoot complex system issues and lead incident resolution, including root cause analysis (RCA) Implement and maintain system security controls, access management, and hardening practices Support high availability, disaster recovery, and system resilience strategies Collaborate with database, network, cloud, and application teams for integrated service delivery Maintain system documentation, standards, and operational procedures Drive automation-first approach using scripting and Infrastructure-as-Code tools (Shell, Python, Ansible, Terraform) Support compliance, audit, and regulatory requirements in banking environments Required Skills & Qualifications 5+ years of experience in Unix/Linux system administration (RHEL, Oracle Linux, or equivalent) Strong hands-on experience with Linux system administration, configuration, and troubleshooting Good understanding of OS internals (processes, memory, file systems, networking basics) Experience with system performance tuning, monitoring, and capacity management Strong experience with patching, upgrades, and lifecycle management Experience working in hybrid environments (on-premises and cloud) Strong scripting skills (Shell, Bash ,Go, Ansible, YAML, Terraform) Experience with automation tools (Ansible or similar) Solid understanding of system security, access management, and OS hardening Strong troubleshooting, analytical, and problem-solving skills Excellent communication and collaboration skills Preferred Qualifications Experience with cloud platforms (OCI / AWS) and Linux-based cloud workloads Experience with Infrastructure-as-Code tools (Terraform) Familiarity with container platforms (Docker, Kubernetes) is a plus Exposure to Avaloq platform or willingness to learn Avaloq-specific tooling and frameworks Knowledge of monitoring and observability tools (Prometheus, Grafana, etc.) Experience in banking, fintech, or regulated environments Certifications such as RHCSA / RHCE or equivalent ✅ Key Expectations Strong ownership mindset for system reliability, performance, and uptime Drive automation, standardization, and operational excellence Ability to work across cross-functional teams (cloud, network, DB, platform) Ability to mentor junior engineers and uplift team capabilities Willingness to adopt and expand Avaloq tooling and automation frameworks We realize that managing work life balance is a challenge we all face in our daily lives and in order to support with this we are pleased to offer hybrid and flexible working for most of our Avaloqers to maintain work life balance and still continue our fantastic Avaloq culture in our global offices. In Avaloq we are proud to embrace diversity and understand the success of our business is built on the power of different opinions, we are whole heartedly committed to fostering an equal opportunity environment and inclusive culture where you can be your true authentic self. We hire, compensate and promote regardless of origin, age, gender identity, sexual orientation or any other fantastic traits that make us all unique, we have done our best to write this advert in an inclusive and neutral way. Please be aware that we will not accept speculative CV submissions for any of our roles from recruitment agencies, and any unsolicited candidate submissions will be exempt from any payment expectations. Writing the future. Together. Avaloq is a value-driven fast-paced fintech company and we are committed to develop the banking technology of tomorrow. Leading banks and wealth managers in all major financial centres rely on our software and services, and this unique community grows every day. Your Team We are an international and multidisciplinary team providing infrastructure as code to run effectively on the public cloud our client SaaS product implementations lifecycle. We believe our colleagues comes first, thinking different is an asset and innovation comes by putting customer experience at the centre of our design thinking. As we expand our customer SaaS deployments, we are currently seeking experienced site reliability engineers (SREs) bringing fresh ideas, demonstrating a unique and informed viewpoint, and enjoying collaborating with a cross-functional team to develop reliable real-world solutions and positive user experiences at every interaction.