06.01.2026 aktualisiert

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Senior Security DevOps Engineer, Web Security, and Cloud

Adliswil, Schweiz
Weltweit
Adliswil, Schweiz
Weltweit

Profilanlagen

JDB.2024-02-24.CV_John_Buehrer.pdf

Skills

Web InterfacesC (Programmiersprache)JavaJavaScriptAcceptance TestingAPIsAgile MethodologieAmazon Web ServicesData AnalysisApache AntApache HTTP ServerWeb Application FirewallSoftwareanwendungenAnwendungssicherheitAtlassian ConfluenceAtlassian JiraBash ShellOracle Weblogic ServerBig DataSynchronous Optical NetworkBugzillaUNIXCisco RoutersCloud ComputingCloud-SicherheitInformationssicherheitComputerprogrammierungComputernetzwerkeDatenbankenData CentersDatenübertragungenData HubDaten-MaskierungData WarehousingIBM DB2LinuxDevOpsDNSDrupalElasticsearchOnline-BankingSpam FilterMiddlewarePerlVmware ESX ServerSyncGoogle DocsGroovyApache HadoopNetwork TopologiesIdentitätsmanagementTrouble-TicketSicherheitstechnikPythonFehlerbehebung im NetzwerkLDAPUnix-ShellProtokolldateienLua ScriptingMachine LearningSimple MailMicrosoft Sql-ServerMySQLNetzwerkverbindungenNetzwerktechnikNfsv3NetzwerküberwachungOpen System InterconnectionOpensslOracle DatabasesOracle FinancialsOWASPPublic-Key-InfrastrukturX.509Software-ToolsMarkdownAnsibleClouderaSamlSicherheit von WebanwendungenSicherheitssoftwareSendmailSOAPSoftware-BereitstellungSoftwareentwicklungSoftware ProjektmanagementSolarisApache SolrSQLSubversionSyslogIntegration (Software)TCP / IPUMLVERITAS Volume ManagerWeb ApplikationenExtensible Markup LanguageSymantecRevision Control System (RCS)Pretty Good Privacy (PGP)Transport Layer SecurityGoogle CloudFile Transfer Protocol (FTP)Apache SparkSybaseSoftware SecurityFirewallsBackendGitLabGitSelinuxKubernetesVBA Programming LanguageGnu-BetriebssystemWikisAtlassian BitbucketGrepElastic KibanaRestful ApisSplunkDevSecOpsJenkinsProgramming Languages
UAT, Agile, Agile methodology, AWS Certified, Amazon AWS, Ansible, Ant, Apache, Hadoop, Apache Solr, Spark, Web Application Firewalls, web application firewall, APIs, backend, Bash, Big Data, Bitbucket, Bugzilla, C, Cisco routers, Cloud, cloud security, Cloudera, SSH, programming, IT Security, Confluence, Data Analytics, data center, Data Hub, Data Masking, data transfer, data warehousing, Database Systems, database, DevOps, DevSecOps, DNS, Drupal, Elastic Stack, Elasticsearch, Anti-spam, XML, FTP, SFTP, Firewalls, GNU, Git, GitLab, Google Cloud, Google Docs, Grep, Groovy, DB2, Identity and Access Management, Issue tracking, JIRA, Java, JavaScript, Jenkins, Kibana, Kubernetes, LDAP, Linux, Log file, Lua, machine learning, Markdown, MS-Office, MS-SQL Server, SQL Server, MS-Windows, Windows, middleware, MySQL, network connections, Network Engineer, NFS, network monitoring, network topology, Network troubleshooting, E-Banking, Online Banking, OSI, OWASP, OpenSSL, Oracle, Oracle databases, Weblogic, Perl, PGP, Programming Languages, PKI, Python, REST API, RCS, SQL, SQL databases, SAML, security software, SELinux, Sendmail, SMTP, SOAP, Application Security, Application software, software deployment, Software Lifecycle, Software development, software management, software security, software tools, Solaris, Splunk, SVN, Sybase, Symantec, sync, Sonet, Syslog, software integration, TCP/IP, SSL, SSL/TLS, UML, Unix, Unix System, Unix shell, Unix shell scripts, Vmware ESX, Visual Basic, VBA, Veritas Volume Manager, Web Security, web applications, web interfaces, Wiki, X.509

Sprachen

DeutschgutEnglischMuttersprache

Projekthistorie

Security Expert - Data

San itas AG
* Technical Lead, Data Masking / Anonymization project.
* Developed data anonymization methods for a very large insurance company.
* Worked with large SQL databases and data awareness.
* Implemented a service-delivery model: Data Masking as a Service.
* Technical engineering work with Unix , Google Cloud , Oracle, Delphix, Python APIs
* Technical work as per compliance guidelines.

Senior Security Engineering project

SDX AG
* Produce IT Security testing concepts for Quality Assurance.
* Implement SAST (Static Application Security Testing) tools project.
* Developer rollout and managed service for SAST implementation.
* Liaison work with software developers to mitigate security vulnerabilities in their code.
* Automated integration of GitLab repositories with Kiuwan SAST via REST API.
* Ansible and PKI with HSM storage.

Application Manager Expert: Web Security

Swisscom AG
* Configured Web Application Firewalls ( WAFs ) from Ergon "Airlock ".
* Production WAF configuration deployment for financial customers and banks.
* WAF automation: Developed configuration-management systems and tests in Python .
* Developed operational procedures for customer X.509 client-certificates.
* I.A.M. (Identity and Access Management) work with WAF modules, and PKI .

Unix Engineer

Credit-Suisse AG
Role: Freelance Unix Engineer , building an operational team for new bank software.
* Team Leader, for new Globus software operations being "on-shored".
* Developed operational processes to support this software.
* Helped set up the Unix data center for this software.
* Project management & tracking.
* Programmed reliable data transfer tools with Perl & Unix shell scripts.
* Wrote substantial documentation & the operational handbook.
* Liaised with the London team (internal customers) & external software vendors.

Network Engineer

Alcatel AG
Role: Freelance Network Engineer , supporting rollout of new telephone switches for Swisscom.
* Upgraded the software management system for SDH & Sonet networks.
* Installed large applications for mission-critical network monitoring.
* Network troubleshooting with TCP/IP & OSI protocols, Cisco routers.
* Wrote Perl scripts, troubleshooted email configurations, built test systems for monitoring.

Senior Security DevOps Engineer

Swisscom AG
* Threat analysis and mitigation of vulnerabilities in business products.
* Create and operate internal cloud security solutions for business customers.
* Work in agile and multidisciplinary teams, supporting managed security product.
* Lead small technical projects - as per specialized Agile methodology.
* Technical engineering work in Unix-based cloud environments, Ansible and PKI.
* Software development with Perl, Python, Bash. Wrote substantial documentation.
* DevOps, Agile, SAFe, Jira, Git / Bitbucket, and Wiki styles.
* Senior IT security consulting and awareness required in all technical work.

System Engineer - Software Integrator

UBS AG
* Python & Perl REST/SOAP scripts, integrating IT security apps with IBM Resilient .
* Integration support with new mobile authentication system ( iPhones ).

Role: System Engineer - Big Data / Data Analytics Integrator (project)
* Automated the installation process of Cloudera Enterprise Data Hub.
* Worked with Cloudera Components: Hadoop, Apache Solr, Spark machine learning.

Role: System Engineer - Security Compliance Audits (project) :
* Developed hardening/security assurance standards for various IT platforms:
Unix & Windows, Oracle & Sybase & SQL Server & DB2, Apache middleware, PKI .
* Developed software tools to automate version-control of compliance standards.

Security implementer for banking applications

Société Générale AG
* Built a web application firewall with ModSecurity for an internal bank application.
* Software development: encryption libraries for bank applications, Unix shell, Perl, PKI.
* Performed software integration, installation, testing, and wrote deployment utilities.
* Software development for banking applications, & integration with Temenos Triple'A.

Security integrator for web applications

Credit Suisse AG
* Analyzed security needs of new or upgraded web-facing applications.
* Integrated application needs with USP/HTS/SLS security software and PKI .
* Upgraded existing solutions from Solaris to Linux.

Technical Environment Manager, for E-Banking Services

RBS Coutts & Co
RTB (Run the Bank):
* Technical operations & deployments for Online Banking: Crealogix software.
* Oncall Pikett support (7x24) and Troubleshooting.
* UAT project support, Log file analysis, Issue tracking, Internal customer support.
* Software monitoring, Handover new workflow to other teams.
* Configured security parameters for cryptographic backend systems: HSM & PKI .
* Identify security problems based on log file analysis
* Identify and escalate software security issues from external vendors
CTB (Change the Bank):
* Built an automation system to manage deployments and operations.
* Integrated vendor's Weblogic , SQL, and Script components into the automation.
* Integrate security directives from parent bank, eg access control on mobile devices.
* Developed Nagios monitoring probes for E-Banking and interfaces to Avaloq
* Mitigate security issues identified in PEN (penetration) tests
* Integrate MS-Windows services into Unix, eg LDAP/AD
Unix System Administration:
* Solaris patching and related logistics.
* Developed file sync'ing methods with ssh and rsync.
* Log file configurations with Syslog-NG and Splunk .
* Worked with virtualized environments: Solaris zones , Vmware ESX .
* Disaster-recovery designs, tests, and implementations.
* Apply security restrictions for secured internal access with SSH
* Adapt automation for security, using indirect access via jump servers.

Associate Director

UBS AG
Team Leader, Unix software deployment tools:
* Supervised a team responsible for bank-wide software updates.
* Was the technical lead on the Swiss side of a large software evaluation project.
* Made presentations to large groups of internal & external stakeholders.
* Set up Swiss / Hyderabad (India) technical infrastructure for Unix operations.
* Wrote documentation for cross-division network connections.

Unix Engineer

Sun Microsystems AG
Role: Freelance Unix Engineer , operating Solaris Unix Clusters for UBS Investment Bank.
* Unix system administration, Veritas admin, engineering, monitoring, & troubleshooting.
* 7x24 technical support, weekend updates of software & hardware.
* Sun Cluster software, Fibre-Channel SAN, Veritas Volume Manager admin
* Programmed monitoring tools with Perl & Unix shell scripts.
* Developed backup & disaster-recovery processes.
* Admin of Solaris systems running large Oracle databases & data warehousing apps.

Unix Engineer & Software Developer Unix system administrator (Perot CPS Unix team)

UBS AG
* Supported technical operations of the Investment Bank.
* Performed liaison work with bank teams - applications support & user services.
* Wrote Perl scripts & documentation for in-house tools, including web interfaces.
Application software developer, IBOL-mail, Global General Ledger:
* Wrote Perl scripts connecting the database, CGI applications, & data transfer systems.
* PGP & data encryption wrappers, utility scripts, system migration
* Security clearance was required and obtained. Much security programming.
* Unix (Solaris) engineering, Sendmail, Procmail, DNS, NIS, operational handbook

Unix Engineer

SwissOnline / Cablecom AG
Role: Freelance Unix Engineer , operating the email system for an ISP under reorganization.
* Maintained the commercial Internet email system for 150,000 customers.
* Unix (Solaris) engineering, Sendmail, Procmail, DNS, NIS, Oracle databases.
* Y2K preparation and monitoring.
* 7x24 technical support, weekend updates of software & hardware.
* Anti-spam configurations, network topology changes, process automation, CGI.

Zertifikate

AWS Certified Solutions Architect – Associate

Amazon

2023

AWS Certified Security - Specialty

Amazon

2023

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