Splunk certified administrator, male, 30s, confident expression, glasses, short brown hair, white shirt, dark blue blazer, black formal pants, black leather shoes, holding a certificate, standing in front of a sleek modern office background, wooden desk with a few Splunk books, laptop and a cup of coffee, natural light pouring through the window, slight reflection on the desk surface, shallow depth of field, professional attire, serious atmosphere, morning sunlight.