infrastructure engineer daily tasks

network monitoring tool (nagios, zabbix etc)
monitoring capturing log files
monitoring capturing servers cpu memory usage
monitoring capturing file system space
monitoring capturing network usage

automate with scripts routine users/sysadmin tasks
end user management/support 1/2/3 layer support
building knowledge base
documentary/sharing procedures
emergency phone list for support

ITIL product
ITSM,IT infrastructure, IT operations

backup software
tape backup management

disaster recovery plan
business continuity plan

RAID configuration,implementation
update management software, WSUS

antivirus software endpoints

adding new hardware
server room visits
check on aircon extractor fans blinking alarms
trailing cables
humidity controls


internet connectivity
domain controllers
cleanup logs, automation

webmin, apache,sendmail,mysql

remote access tools
vnc,dameware,webex,teamviewer

spam filter
mailbox sizes
db fragmentation