Linux Systems Administrator Senior

General Dynamics Information Technology

2d•Remote

About The Position

GDIT has a requirement for an experienced Linux Systems Administrator Senior to join our Scientific Modeling, Application, Visualization, Computational Science, Software, and Statistical Support (SMAVCS4) Team to support the Environmental Protection Agency. The role will support the Center for Computational Toxicology & Exposure (CCTE), a scientific organization working to support Agency decisions by providing solutions-driven research to rapidly evaluate the potential human health and environmental risks due to exposures to environmental chemicals and ensure the integrity of the freshwater environment and its capacity to support human well-being. We are seeking an experienced Linux Systems Administrator Senior to join our team to provide dedicated support for the advancement of CCTE code level developers in their creation of public application that service the scientific community.

Requirements

BA/BS in Information Systems, Information Technology, or equivalent experience
3+ years of related experience in professional IT required, 4-6+ years strongly preferred
Working closely with Functional and Technical teams for OS upgrade (RHEL 6.x,7.x to RHEL8.x, and RHEL9.x) and Windows Server
Experienced in administering server-side technology and networked computing systems
Experienced in remediation of computing systems from Nessus scanning tool.
Familiarity with SQL PostgreSQL, and Mongo database operations
Familiarity Atlassian product suite and its operations
Previous experience with Intellj, Postman, VSCode, Node and ChemSketch
Familiarity with Docker container operations
Familiarity with application using for event monitoring and alerting tool to maintain server uptime, log capturing and security events.
Requestion DigiCert’s and installing the SSL certificates from DigiCert’s
US Citizenship Required: Yes

Nice To Haves

Experience working on Federal Sector Contracts
Professional Certification(s)
Familiarity with DevOps, ITIL Agile processes

Responsibilities

Configuring and maintaining the networked computer system, including hardware, system software, and applications.
Ensuring data is stored securely and backed up regularly
Diagnosing and resolving hardware, software, networking, and system issues when they arise
Replacing and upgrading defective or outdated components as necessary
Monitoring system performance to ensure everything runs smoothly and securely
Hardware sizing, Landscape Architecture and Storage planning
Planning and scheduling RHEL server upgrade/migration and Servers downtime
Planning and scheduling Physical 2 Virtual (P2V) migration
Installing and upgrading Atlassian Tools (Jira/Bitbucket/Confluence and Bamboo)
Atlassian tools system migration and Database migration to PostgreSQL database
Creating, updating, and organizing technical documentation and knowledge base for the team and other departments

Benefits

Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Flexibility: Full-flex work week to own your priorities at work and at home
Community: Award-winning culture of innovation and a military-friendly workplace
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match.
To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
GDIT typically provides new employees with 15 days of paid leave per calendar year to be used for vacations, personal business, and illness and an additional 10 paid holidays per year.
Paid leave and paid holidays are prorated based on the employee’s date of hire.
The GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees.
To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.