auto start job on pi 3

[Unit]
Description=Your job description
After=network.target auditd.service

[Service]
ExecStart=/usr/bin/python /home/pi/PATH_TO_PYTHON_FILE
ExecReload=/bin/kill -HUP $MAINPID
KillMode=process
Restart=on-failure
RestartPreventExitStatus=255
Type=notify

[Install]
WantedBy=multi-user.target

sudo systemctl enable autojob