Senior Server Administrator – Vulnerability Remediation & Patching
Identify and remediate vulnerabilities detected by continuous security scans across AWS and Azure environments, following client documentation and established runbooks.
Apply Server Security Updates
Patch and update Windows Server 2016/2019/2022 and Red Hat Enterprise Linux 9 systems, including operating system and kernel updates.
Upgrade Middleware and Runtimes
Patch and upgrade SQL Server, .NET, Java, Node.js, Python, Apache Tomcat, OpenSSL, libcurl and supported browsers.
Implement Security Hardening Measures
Apply security configuration fixes, including HTTPS enforcement, security logging, SIEM log delivery, AWS SSM agent deployment and access key rotation.
Troubleshoot Patching Issues
Independently investigate and resolve technical issues arising during and after patching activities to maintain system stability and availability.
Coordinate Application Updates
Collaborate with application support teams to plan updates, verify application behaviour and remediate vulnerabilities in application libraries.
Track Vulnerability Remediation Progress
Monitor remediation activities in the client’s vulnerability management tool and provide regular updates on progress and outstanding issues.
Maintain Cloud Infrastructure Security Controls
Deploy and configure AWS Systems Manager agents, Azure VM extensions, access key rotation and network restrictions to strengthen cloud infrastructure security.
Requirements
Enterprise System Administration Experience
Minimum 5 years of experience as a System Administrator in enterprise environments, with proven experience beyond junior-level responsibilities.
Patch Management and Vulnerability Remediation
Hands-on experience managing security patches and remediating vulnerabilities identified through security scanning results.
Windows Server and Linux Administration
Strong administration skills in Windows Server 2016/2019/2022 and solid experience working with Linux, particularly Red Hat Enterprise Linux.
Experience administering servers in AWS environments and working knowledge of Microsoft Azure infrastructure and services.
Middleware and Runtime Administration
Experience updating and maintaining middleware and runtimes, including SQL Server, .NET, Java, Tomcat, OpenSSL or similar technologies.
Troubleshooting and Independent Work
Ability to independently troubleshoot complex technical issues, work without close supervision and resolve problems in operational environments.
Change Management and Team Coordination
Experience working with change management processes and coordinating infrastructure updates and maintenance activities with application support teams.
Fluent English, with the ability to communicate effectively with international technical teams and stakeholders.
What we offer
B2B Contract
Employment based on a B2B contract
Stable and Dynamic International Firm
Opportunity to work in a stable, dynamically developing international company
Engaging Projects and Latest IT
Chance to participate in interesting projects and work with the latest information technologies
Competitive Rates
Attractive remuneration rates offeres
Renowned International Projects
Involvement in the most prestigious international project
MultiSport and Private Medical Care
MultiSport and Private Medical Care
Nice to have
Vulnerability Scanning Tools
Experience with vulnerability scanning tools such as Tenable/Nessus, Qualys or Wiz.
Patching Automation
Experience automating patching activities using AWS Systems Manager, SCCM/MECM, Ansible, PowerShell or Bash.
Security Monitoring and Identity Management
Experience with SIEM log integration and Microsoft Entra ID.
Large Enterprise Environment Experience
Professional background in large international companies, particularly in FMCG, pharmaceutical or similar industries.
Relevant Technical Certifications
Certifications such as AWS SysOps Administrator, Azure Administrator, RHCSA or RHCE.
Senior Server Administrator – Vulnerability Remediation & Patching in Warsaw – pracodawca: Seargin Ltd
Nasza firma to doskonały pracodawca, oferujący dynamiczne środowisko pracy w Gdańsku lub Warszawie, gdzie możesz rozwijać swoje umiejętności w obszarze DevOps i SecOps. Oferujemy atrakcyjne wynagrodzenie w modelu B2B, możliwość pracy nad międzynarodowymi projektami oraz dostęp do nowoczesnych technologii, co pozwala na realny wpływ na przyszłość technologii. Nasza kultura pracy sprzyja innowacjom i współpracy międzydziałowej, co czyni nas idealnym miejscem dla osób poszukujących satysfakcjonującej kariery.
