Your strongest match is production infrastructure ownership across Windows Server, Linux, load balancing, monitoring, and database operations. The main risks are the advertised Azure certification, which is not evidenced in your documents, and the 14-month break, which should be explained briefly without private detail. ## Requirement Snapshot | Requirement | Priority | Evidence | Status | Positioning | |---|---|---|---|---| | Windows and Linux administration | Mandatory | Multiple administrator roles and documented production responsibility | Met | Lead with mixed-platform operations | | HAProxy and load balancing | Important | Verified migration and operations experience | Met | Use a problem-action-result project bullet | | Azure certification | Preferred | No certificate supplied | Not evidenced | Do not claim it; mention verified cloud exposure only | | On-call participation | Mandatory | `[VERIFY EVIDENCE]` | Unclear | Confirm before finalizing documents | ## Resume Strategy **Target headline:** Senior Systems Administrator | Windows, Linux, HAProxy, Monitoring & Infrastructure Operations **Professional summary:** Senior infrastructure professional with verified experience operating mixed Windows and Linux environments, load-balancing platforms, monitoring systems, databases, and production services. Combines hands-on troubleshooting with documentation, change planning, and cross-team coordination. Returning to the market after a career break with current technical knowledge and a clear focus on reliable platform operations. ## Career-Break Wording “Planned career break, followed by structured preparation for a return to infrastructure operations.” Use this only when it accurately reflects your situation. Otherwise replace it with `[ADD DETAILS]`. ## Interview Focus 1. How would you stabilize an overloaded HAProxy layer without creating downtime? 2. Describe a production incident in which your first hypothesis was wrong. 3. How have you kept your technical knowledge current during your career break? ## Salary Strategy Current Hamburg market figures require live verification. Until current sources are available, use a target, evidence-based opening anchor, acceptable range, and alternatives such as remote days, training budget, on-call compensation, and an agreed salary review. No current salary number is presented without dated regional sources.