Linux Administrator

We have need of senior Linux System Administration support, with skills in the following areas

This is a 3 month contract with the possibility of extension. Must have clear and proficient written and verbal communication skills. We have need of senior Linux System Administration support, with skills in the following areas

RedHat/CentOS & Ubuntu system administration

Major and minor OS upgrade

Scripting languages, including bash and Python

Ansible automation

Git repository management

VMware/deployment methods

Physical server maintenance, include iDRAC

Implementing system security best practices

Authentication protocols/methods including KRB, SSSD, A/D, LDAP

Proficient written and verbal communication

On specified RedHat/CentOS and Ubuntu servers and desktops: plan, execute document and share methods

Contractor Tasks

i. Individual Systems Update (100+ Systems)

• Security
• Uninstall FireEye HX agent
• Install/configure M.S. Defender
• Review/implement 3rd party recommendations
• Scheduled jobs analysis
• Validate/analyze boot files (inittab, systemd, rc.x)
• Compare /home to passwd file
• Review/convert chronyd configurations

ii. Migrate Ubuntu Desktops to current version (10 Systems)

iii. Upgrade/migrate Linux servers to latest OS (10 Systems)

iv. Ansible bash-to-yaml conversion

• Review/Improve logging (syslog-ng)

vi. Review A/D integration (Kerberos with SSSD; LDAPS; OUs)

vii. Replace SSL Certificates (20 Systems)

RedHat/CentOS