Linux System Administrator - (onsite with active Top Secret)

$90,000 - $125,000/Yr

Progressive Technology Federal Systems - Springfield, VA

Full-time - Mid Level

Springfield, VA

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

About the position

The Linux System Administrator position is a full-time role focused on maintaining applications and databases in a secure environment, primarily involving Linux servers and some Windows server management. The successful candidate will be responsible for ensuring system security, managing databases, and providing technical support in a Department of Defense (DoD) or Intelligence Community (IC) environment. This role requires strong customer service skills and the ability to adapt to changing security policies.

Responsibilities

• Lead POA&M for vulnerability mitigation and control
• Maintain accounts and requirements related to having 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 in 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, including proactive monitoring of system resources to maintain database health and uptime
• Perform upgrades, patching and onsite testing of applications and databases
• Maintain staging server and lead the promotion to production process
• Coordinate all outages as required by the customer, ensuring that customer specific notifications and documentation are filed
• Troubleshoot issues related to applications, working with developers to diagnose and remediate issues
• Proactive monitoring of operating systems and network health, including system resources and network services, to ensure uptime and application stability
• 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

• Bachelor's degree in Computer Science or Engineering preferred
• 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

Nice-to-haves

• 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

Benefits

• 15 days paid time off per year
• 11 paid holidays per year
• Medical, Dental & Vision
• 401(k) Plan with matching
• Tuition assistance
• Disability insurance
• Gym in the Rockville, MD office