Linux System Administrator

3 weeks ago

Rockville, Minnesota, United States PTFS Full time
Job Summary:

This position requires an IT professional with experience maintaining applications and databases in a secure environment. The successful candidate will have experience maintaining primarily Linux servers in a cluster with also one Windows server along with multiple MySQL databases and one PostgreSQL database.

Key Responsibilities:

Lead POA&M for vulnerability mitigation and control, maintain accounts and requirements related to having a privileged access to the customer's systems, provide application administration for a multi-tiered web application across multiple domains, on one Windows and multiple Linux platforms secure environments, assist the customer with technical questions and issue resolution, facilitate discussion between customers and HQ staff to ensure timely resolution of issues and incorporation of upgrades, administer databases including PostgreSQL and MySQL, perform upgrades, patching and onsite testing of applications and databases, coordinate all outages as required by the customer, troubleshoot issues related to applications, working with developers to diagnose and remediate issues, proactive monitoring of operating systems and network health, write scripts to automate data migration and other periodic tasks, generate reports and audits as required by the customer, maintain a repository of customer specific reports and troubleshooting steps/resolutions, ensure that all reports and issues are well documented on the customer's system, perform data migration between domains periodically.

Requirements:

Minimum of 5 years of experience administering systems and databases, active Top Secret Clearance with the ability to acquire SCI, US Citizenship required due to Government contract requirements, extensive systems administration knowledge of RHEL7/8 platforms and fundamental knowledge of Windows server OS, good verbal, written and customer communication skills, experience with scripting languages, ideally Perl and BASH, knowledge of computer networking fundamentals, experience administering RDBMSs, ideally MySQL and PostgreSQL, professional experience supporting web and database applications.

Preferred Qualifications:

Knowledge of DoD/IC security and configuration management processes, experience configuring and administrating Apache Solr, experience administrating Integrated Library Systems, experience with metadata conversion scripting and processing, familiarity with LDAP protocol and record format of modern directory services.

Location:
Springfield, VA

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