Senior Systems Administrator / Linux Administrator with Cloud

Senior System Administrator / Linux Administrator with Cloud

Location: Arlington, VA

Must have a 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 solutions

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