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Linux Administrator

2 months ago

Arlington VA United States ALTA IT Services Full time

Linux Administrator

Scroll down to find the complete details of the job offer, including experience required and associated duties and tasks.
Rosslyn, VA - hybrid (1-2 days/week onsite)
Secret clearance is required to start

Seeking a proactive and motivated Junior Linux Administrator with 3-5 years of hands-on experience to join our dynamic infrastructure operations team. The ideal candidate will be a quick learner, adaptable to new technologies and passionate about automating tasks to enhance operational efficiency. You will be responsible for maintaining, upgrading and patching Linux-based systems, with strong focus on automation through scripting and ensuring seamless coordination with the developers, testers and other supporting teams.
In addition to technical skills, the ideal candidate must have a customer-focused mindset, aiming to create value for both internal and external stakeholders by ensuring system reliability, enhancing service delivery and contributing to business continuity. In this role, you will collaborate with the development, testing and other support groups to ensure smooth rollout of patches and updates across multiple environments, ensuring minimal disruption to applications/services. If you enjoy working in fast-paced environment, solving complex problems and enhancing systems through automation while prioritizing customer needs, we encourage you to apply.

Key Job Responsibilities:
- Linux Systems Management: Install, configure and maintain Linux servers (Red Hat, CentOS, Ubuntu) ensuring optimal performance, availability and security.
- System Upgrades, Patching and Vulnerability Mitigation: Keep systems up to date by applying latest patches, upgrades and security fixes, monitor for vulnerabilities and mitigate risks. Coordinate with cross-functional teams to ensure these updates, vulnerability fixes are tested and deployed successfully across environments.
- Automation and Scripting: Develop and maintain automation scripts using Shell, Ansible or other automation tools to rollout patches, upgrades, streamline system administration tasks and avoid manual work.
- Collaboration with Stakeholders: Work effectively with team members, development, Testing and other support teams to ensure successful rollout of patches, updates and upgrades across various environments, minimizing downtime and ensuring environment stability.
- Security: Implement and maintain security best practices and integrate security in all scripting, maintenance, administration tasks working in a highly secured environment. Proper handling of password, end to end encryption and 1005 compliance with security policies and best practices.
- Backup and Recovery: Set up, manage and test backup and disaster recovery systems. Ensure backups are performed on regularly, test recoverability of the backup images.
- Customer Focused: Ensure system reliability, performance and automation efforts directly contribute to improved service delivery and customer satisfaction.
- Problem Resolution: Passionate about problem solving and quickly/efficiently resolving system issues, minimizing downtime and maintaining service availability.
- Networking, Monitoring and Communication skills: Basic knowledge of network protocols, configuration and troubleshooting (TCP/IP, HTTPS, DNS, DHCP etc.). Familiarity with system monitoring tools. Excellent verbal and written communication skills are required.

Good to have but not required:
- Experience with SonarQube, IQ scans and vulnerability management
- Experience troubleshooting HTTPS, firewalls, web servers, proxy servers, etc.
- Linux certifications (like RHCSA, RHCE) are a big plus.
- Knowledgeable about security concepts: TLS, JWT, oAuth, CyberArk, vulnerabilities remediations.

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