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Linux System Administrator

4 weeks ago

Chattanooga, Tennessee, United States Raytheon Technologies Full time
Job Summary

Raytheon Technologies is seeking a highly skilled Linux System Administrator to support our U.S. Government customer in obtaining development, operations, and maintenance (O&M) support services. The ideal candidate will have experience with Linux operating systems, cloud services, and cybersecurity best practices.

Responsibilities

System Administration:
Oversee the day-to-day operations of the customer's lab environments, including installation, configuration, and maintenance of Linux operating systems (e.g., CentOS, Ubuntu, Red Hat).

Performance Monitoring and Optimization:
Monitor system performance, troubleshoot issues, and optimize system resources to ensure maximum uptime and efficiency. Implement proactive measures to identify and address potential bottlenecks or performance degradation.

Security Management:
Implement and maintain security measures to protect systems from vulnerabilities, unauthorized access, and malware threats.

Backup and Disaster Recovery:
Develop and maintain backup and disaster recovery plans for Linux systems.

Patch Management:
Manage the patching process for Linux servers, including scheduling, testing, and deploying software updates and security patches in a timely manner. Ensure compliance with patch management policies and procedures.

Automation and Scripting:
Develop automation scripts and tools using shell scripting (e.g., Bash), Python, or other scripting languages to streamline system administration tasks, automate repetitive processes, and improve operational efficiency.

Collaboration:
Collaborate with cross-functional teams, including key stakeholders, to support project initiatives and resolve technical issues.

Documentation:
Document system configurations, procedures, and troubleshooting steps for knowledge sharing and training purposes.

Technical Support:
Provide technical support and troubleshooting assistance to internal users and teams regarding Linux-related issues. Diagnose problems and implement solutions in a timely manner to minimize downtime and disruptions.

Requirements

U.S. Citizenship
Must be able to obtain DHS Suitability
Must have an active Secret clearance and obtain a TS/SCI clearance
8+ years of directly relevant experience in Linux System Administration
Proficiency in managing and maintaining Linux servers (e.g., Red Hat, CentOS, Ubuntu)
Strong understanding of Linux file systems, permissions, and security
Hands-on experience with AWS services such as EC2, S3, RDS, VPC, IAM, CloudFormation, and Lambda
Knowledge of networking concepts and protocols (TCP/IP, DNS, VPN, etc.)
Experience with network troubleshooting and security (firewalls, security groups, NACLs)

Desired Skills

Experience with shell scripting (Bash, Python, etc.) for automation and task management
Excellent problem-solving and analytical skills
Strong communication and interpersonal skills
Knowledge of U.S. Government IA policies, procedures, standards, guidelines, and objectives

Education

Six (8) or more years of direct experience
Bachelor's degree in Information Security, Cyber Engineering, or a related discipline is required.

Benefits

Raytheon Technologies offers a robust total rewards package with compensation, healthcare, wellness, retirement, and work-life benefits. Career development and recognition programs are also available. Some benefits include parental leave, flexible work schedules, achievement awards, educational assistance, and child/adult backup care.

Equal Opportunity Employer

Raytheon Technologies is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, age, or any other federally protected class.