Linux/Windows Server Sme

• 5+ years of experience in systems engineering, infrastructure administration, or platform operations within enterprise environments.
• Hands-on experience with Windows Server, Active Directory, Group Policy, and/or Linux administration, including RHEL or Ubuntu.
• Experience in infrastructure security, vulnerability remediation, compliance, or operational risk management.
• Knowledge of security frameworks and hardening standards such as CIS Benchmarks, STIGs, or ISO 27001.
• Experience with vulnerability management tools such as Tenable or Qualys, and implementing remediation plans.
• Proficiency in automation and scripting using Ansible, PowerShell, or similar tools.
• Familiarity with Git, CI/CD pipelines, and Infrastructure or Policy as Code practices.
• Understanding of configuration management and compliance monitoring tools such as Terraform, Puppet, or Chef.
• Experience with logging, monitoring, and SIEM platforms such as Splunk or Microsoft Sentinel.
• Exposure to regulatory and audit frameworks such as ISO 27001, SOC 2, or PCI-DSS.
• Experience supporting operating system lifecycle management, upgrades, disaster recovery, and high-availability environments.
• Strong documentation, communication, and stakeholder management skills, with the ability to collaborate across infrastructure, security, audit, and vendor teams.

Nice to have:

• Proficiency in spoken and written English at C1 level.
• Experience working for a financial institution.
• Relevant certifications such as CISSP, CISA, CompTIA Security+, RHCE, or Microsoft Certified credentials.

• Assess and mitigate technical infrastructure risks, including legacy systems, technical debt, unsupported platforms, and operational vulnerabilities.
• Develop and maintain security baselines, manage vulnerability remediation activities, and coordinate critical security patching across Windows and Linux environments.
• Ensure infrastructure compliance with internal policies and regulatory frameworks, support audits, and maintain required technical documentation.
• Automate infrastructure and security processes using tools such as Ansible and PowerShell.
• Manage infrastructure configurations through Git-based workflows and CI/CD pipelines, ensuring changes are controlled, reviewed, tested, and traceable.
• Monitor and maintain secure, stable, and compliant server environments, proactively identifying and resolving issues.
• Provide expert support for complex operating system, performance, authentication, and security-related incidents, acting as the highest level of technical escalation.
• Collaborate with infrastructure, security, and application teams to implement improvements that enhance reliability, resilience, and operational efficiency.

• The recruitment process includes preliminary CV selection, a phone conversation with the recruiter, an online interview with the hiring leader, and a background check.