Unix Specialist

Technical Lead (Unix & Database)

Location: Switzerland:

Years of exp: Min 5 years

Permanent Employment

Hybrid Working

Unix Skills:

• Experience in UNIX/Linux server administration and production infrastructure support.

• Comprehensive knowledge of UNIX/Linux operating systems, network protocols, file systems, storage technologies, and enterprise infrastructure standards.

• Sound understanding of high-availability architectures, disaster-recovery principles, and load-balancing technologies.

• Advanced troubleshooting, capacity-planning, root-cause analysis, and risk-assessment capabilities in complex IT environments.

• Experience with enterprise monitoring tools such as Nimsoft, Geneos, and New Relic.

• Proven ability to configure, harden, and secure mission-critical UNIX/Linux servers in line with enterprise security baselines.

Operating system and tooling knowledge:

• Oracle Enterprise Linux 7 and 8.

• Red Hat Enterprise Linux 6, 7, 8, and 9.

• Shell scripting for automation, validation, and operational reporting.

• Automation and configuration-management experience with Ansible.

• Virtualization experience with VMware.

Database Skills:

Skills:

• Hands-on experience in database administration, including the configuration and management of Oracle, MS SQL Server, and DB2 environments.

• Proficiency in UNIX/Linux and Windows server operating systems, with scripting skills (e.g., shell scripts) for automation and troubleshooting.

• Strong knowledge of database backup/recovery strategies, high-availability solutions (e.g., mirroring, RAC, HADR), and performance tuning.

• Familiarity with security practices such as Transparent Data Encryption (TDE) and data masking in Oracle.

• Strong understanding of vulnerability assessment, patch lifecycle management, remediation planning, and compliance tracking within enterprise technology environments.

• Experience working with cyber hygiene remediation processes, risk exceptions, audit evidence, and control reporting in regulated or financial services environments.

• Ability to work occasional evenings/weekends (for maintenance/DR tasks)

Unix:

• Install, monitor, maintain, and upgrade UNIX/Linux system software across company servers and infrastructure platforms.

• Create, administer, and maintain UNIX/Linux user accounts, privileged access controls, and access-management procedures in accordance with internal security standards.

• Define, implement, and maintain standardized backup, recovery, and security policies to support operational resilience and regulatory compliance.

• Plan, coordinate, test, and execute UNIX/Linux security patches, firmware updates, and operating-system upgrades through controlled maintenance windows and approved change-management processes.

• Drive patch-compliance activities by identifying vulnerabilities, prioritizing remediation actions, validating successful implementation, documenting exceptions, and maintaining evidence required for audit and compliance purposes.

• Coordinate secure patch-release activities with application owners, cyber-security teams, infrastructure teams, and change approvers to reduce operational risk and minimize disruption to business services.

Database:

• Administer, monitor, and maintain the database environment, ensuring high availability, performance, and security for business-critical applications.

• Performance Monitoring and Optimization: Monitoring system performance and implementing tuning strategies to ensure optimal database operation.

• Perform database backup and recovery operations, including participation in Disaster Recovery (DR) tests to ensure data integrity and continuity.

• Install, configure, and manage database systems (Oracle, MS SQL Server, DB2) and related components, such as ODA Oracle Appliances, Oracle RAC and DB2 HADR.

• Troubleshoot and resolve database issues, conduct root cause analysis, and optimize performance through tuning and improvement strategies.

• Collaborate with cross-functional teams to manage capacity requirements, implement security measures (e.g., Oracle TDE, data masking), and support operational workflows.

• Security Management: Implement access controls and introduce company security policies to safeguard data integrity and confidentiality.

• Vulnerability Management: Review, assess, prioritize, and remediate database-related vulnerabilities in coordination with application, infrastructure, and cyber security teams, ensuring risks are addressed within agreed remediation timelines.

• Cyber Hygiene and Compliance Remediation: Drive remediation activities required to meet Firm cyber hygiene standards, internal control obligations, audit requirements, and regulatory expectations for database platforms.