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Linux System Administrator
1 month ago
Linux System Administrator
Location: Arlington, VA
Must have Public Trust Security Clearance
Node is supporting a U.S. Government customer to obtain development, operations, and maintenance (O&M), logistics, security, and deployment support services necessary to operate and sustain the customer’s Lab environments. Activities must be carried out at the highest levels of service and availability.
Node is seeking a Linux Administrator with some cloud experience to support this effort.
Responsibilities Include:
•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
Required Skills:
•U.S. Citizenship
•Must be able to obtain DHS Suitability and obtain a TS/SCI clearance
•6+ years of directly relevant experience as a Linux System Administrator.
•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 Terraform
•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.
Required Education:
•Bachelor’s degree in Information Security, Cyber Engineering, or a related discipline is required.
Desired Certifications:
•Information Security and IT certifications: Splunk, AWS, Cisco, Red Hat, etc.
Company Overview:
Node. Digital is an independent Digital Automation & Cognitive Engineering company that integrates best-of-breed technologies to accelerate business impact.
Our Core Values help us in our mission. They include:
OUR CORE VALUES
Identifying the~RIGHT PEOPLE~and developing them to their full capabilities
Our customer’s “Mission” is our “Mission”. Our~MISSION FIRST~approach is designed to keep our customers fully engaged while becoming their trusted partner
We believe in~SIMPLIFYING~complex problems with a relentless focus on agile delivery excellence
Our mantra is “~Simple*Secure*Speed~” in the delivery of innovative services and solution
Benefits
We are proud to offer competitive compensation and benefits packages to include:
- Medical
- Dental
- Vision
- Basic Life
- Long-Term Disability
- Health Saving Account
- 401K
- Three weeks of PTO
- 10 Paid Holidays
- Pre-Approved Online Training