• Linux Administrator

    SAIC (Washington, DC)


    Description

    SAIC is seeking a skilled and experienced Linux Administrator to join our IT Operations team. The ideal candidate will have extensive experience in managing and maintaining Linux systems across various cloud platforms, including AWS, Azure, Oracle Cloud Infrastructure (OCI), and Google Cloud Platform (GCP). The Linux Administrator will play a key role in ensuring the stability, performance, and security of our multi-cloud environment.

    Key Responsibilities:

    + Linux System Administration:

    + Install, configure, and maintain Linux servers (CentOS, Ubuntu, Red Hat, etc.) in both physical and virtual environments.

    + Perform regular system updates, patch management, and kernel upgrades.

    + Cloud Management:

    + Deploy, configure, and manage Linux-based infrastructure in AWS, Azure, OCI, and GCP.

    + Utilize cloud-native tools and services for monitoring, scaling, and automating Linux workloads.

    + Automation and Scripting:

    + Develop and maintain automation scripts using Bash, Python, and other relevant scripting languages.

    + Utilize configuration management tools (e.g., Ansible, Puppet, Chef) to automate provisioning and configuration of Linux systems.

    + Monitoring and Optimization:

    + Implement and manage monitoring solutions to ensure high availability and performance of Linux systems.

    + Perform performance tuning and optimization of Linux servers and applications.

    + Security and Compliance:

    + Ensure systems comply with organizational and industry security standards.

    + Conduct regular security audits, vulnerability assessments, and implement remediation strategies.

    + Perform vulnerability remediation and hardening of servers using DISA STIGs (Security Technical Implementation Guides).

    + Backup and Recovery:

    + Implement and manage backup and recovery solutions for Linux environments.

    + Perform regular testing of backup and disaster recovery processes.

    + Collaboration and Support:

    + Work closely with security teams to support application deployment and troubleshooting.

    + Provide Tier 2/3 support for Linux-related incidents and service requests.

    + Participate in on-call rotation.

    Qualifications

    Requirements:

    + Education:

    + Bachelor’s degree in computer science, Information Technology, or a related field, or equivalent practical experience.

    + Experience:

    + Minimum of 7+ years of experience in Linux system administration.

    + Proven experience managing Linux environments in multiple cloud platforms (AWS, Azure, OCI, GCP).

    + Technical Skills:

    + Strong knowledge of Linux operating systems (CentOS, Ubuntu, Red Hat).

    + Experience with cloud services and tools from AWS (EC2, S3, VPC), Azure (VMs, Blob Storage, Virtual Network), OCI (Compute, Block Volumes, Networking), and GCP (Compute Engine, Cloud Storage, VPC).

    + Proficiency in scripting languages (Bash, Python).

    + Familiarity with configuration management tools (Ansible Core/Tower/AAP/Galaxy, Puppet, Chef).

    + Familiarity with Red Hat Satellite server including setup of content views to define and manage the lifecycle of content (such as RPM packages, container images, Puppet modules, and Ansible roles).

    + Experience with monitoring tools (Prometheus, Grafana, CloudWatch, Azure Monitor).

    + Knowledge of security best practices and compliance requirements (e.g., HIPAA, SOC 2, ISO 27001).

    + Expertise in performing vulnerability remediation and hardening of servers using DISA STIGs.

    + Soft Skills:

    + Strong problem-solving and analytical skills.

    + Excellent communication and teamwork abilities.

    + Ability to work independently and manage multiple tasks in a fast-paced environment.

    Preferred Qualifications:

    + Certifications in relevant cloud platforms (AWS Certified Solutions Architect, Microsoft Certified: Azure Administrator, Oracle Cloud Infrastructure Architect Associate, Google Professional Cloud Architect).

    + Experience with containerization technologies (Docker, Kubernetes).

    + Experience with CI/CD pipelines and DevOps practices.

    + Experience with IaC (Infrastructure As Code, Terraform).

     

    Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.

    REQNUMBER: 2506005

    SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability