11/11/2026 updated
PB
100 % available
Lead Site Reliability Engineer & IT Security Specialist
Czaple, Poland
Only remote
Master of Science in Information TechnologyAzure DevOpsBash ShellUnixNetwork SecurityLinux AdministrationNagiosReliability EngineeringVulnerability ManagementGitLabWindows AdministrationSplunkCitrix Netscaler
WORK EXPERIENCES
Lead Site Reliability Engineer – Simcorp 09/2024 – 11/2026
SimCorp is a Danish financial software company founded in 1971 and headquartered in Copenhagen, and since its acquisition
by Deutsche Börse Group it operates as a wholly owned subsidiary within the group's Investment Management Solutions
division. It builds front-to-back investment management platforms — SimCorp Dimension and the SimCorp One cloud suite —
used by asset managers, banks, central banks, pension funds, sovereign wealth funds and insurers for portfolio management,
trading, compliance, risk analytics and reporting.
Lead SRE role.
IT Administrator Application Hosting teamleader · Crealogix | 09/2021 – 09/2024
Banking platform lead admin & systems architect · escalation owner for critical incidents · production switchovers, upgrades,
migrations · end-to-end system design & builds · Ansible automation · global patching · security hardening · repository project
· IT team lead · cross-team project delivery
Tech: RedHat · CentOS · Alma · Ubuntu · AIX · Solaris · Windows Server · Ansible · Puppet · GitLab CI/CD · Docker · Kubernetes ·
VMware · F5 BIG IP · Barracuda NG · VPN · Elastic · Splunk · Grafana · Tomcat · WildFly · Solr · WebLogic · Bash
Certified: Docker · Kubernetes
IT Security Specialist · Nordea | 08/2020 – 09/2021
Cyber security governance · Zero Trust policy design & rollout · patch & vulnerability management framework · vendor patch
triage · remediation plans · vulnerability reduction · SOC support · internal training
Tech: Qualys · Flexera · Splunk · RedHat · CentOS
Junior Systems Administrator · Lufthansa Systems | 03/2018 – 08/2020
Global Linux/Unix fleet · server & network configuration · package updates · SSL/TLS hardening · production & non-prod
deployments · JBoss nodes · Bash automation · log rotation · Pacemaker HA clusters · Citrix NetScaler & load balancing ·
CyberArk implementation
Tech: RHEL · CentOS · Debian · Unix · AIX · Windows Server · Azure · VMware ESXi · Kubernetes · WildFly · Kafka · Tomcat ·
Elasticsearch · Kibana · Splunk · TIBCO EMS · Grafana · Prometheus · Dynatrace · Nagios · Jenkins · GitLab · Bitbucket · Jira ·
MySQL · PostgreSQL · CyberArk · Citrix
Certified: ITIL · Red Hat RHCSA (EX200)
Network & Systems Administrator · Urząd Miasta Słupsk | 07/2017 – 03/2018
Internal network re-architecture · fibre rollout · IBM server room rebuild · network security: UTM Barracuda, IPS, firewall,
VPN, log & traffic analysis · anti-ransomware policy · 400+ workstation rollout · Linux/Windows server & services admin ·
tape/rsync backup · endpoint support · ownCloud platform for councillors · council multimedia & streaming
Tech: Linux · Oracle Linux · Unix · Windows Server/10/7 · VyOS · VMware ESXi · Barracuda UTM · ESET · Active Directory ·
Apache · DNS · Squid
Certified: UTM Barracuda (IKARIA)
Network Administrator · Gastro Serwis | 10/2016 – 07/2017
Experience
Professional experience5 - 10 years
Freelancer since2015
Languages
GermanGoodEnglishFluent
Project history
Lead SRE role at SimCorp, a Danish financial software company headquartered in Copenhagen, operating as a wholly owned subsidiary of Deutsche Boerse Group within the Investment Management Solutions division.
Banking platform lead admin and systems architect, escalation owner for critical incidents, production switchovers, upgrades, migrations, end-to-end system design and builds, Ansible automation, global patching, security hardening, repository project, IT team lead, cross-team project delivery. Tech: RedHat, CentOS, Alma, Ubuntu, AIX, Solaris, Windows Server, Ansible, Puppet, GitLab CI/CD, Docker, Kubernetes, VMware, F5 BIG IP, Barracuda NG, VPN, Elastic, Splunk, Grafana, Tomcat, WildFly, Solr, WebLogic, Bash. Certified: Docker, Kubernetes.
Cyber security governance, Zero Trust policy design and rollout, patch and vulnerability management framework, vendor patch triage, remediation plans, vulnerability reduction, SOC support, internal training. Tech: Qualys, Flexera, Splunk, RedHat, CentOS.