Linux Administrator
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Job Description
Linux Administrator supporting the US Department of the Treasury's TCloud enterprise cloud development effort. Managing Linux systems across cloud platforms including AWS, Azure, OCI, and GCP.
Responsibilities:
- 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.
- 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
- 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.
- Implement and manage monitoring solutions to ensure high availability and performance of Linux systems.
- Perform performance tuning and optimization of Linux servers and applications.
- 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).
- Implement and manage backup and recovery solutions for Linux environments.
- Perform regular testing of backup and disaster recovery processes.
- 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 rotations
Requirements:
- Must be a US Citizen with the ability to obtain a Public Trust clearance
- Bachelors degree and four (4) years or more of related experience or Masters and two (2) or more years of related experience.
- Proven experience managing Linux environments in multiple cloud platforms (AWS, Azure, OCI, GCP).
- 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 (e.g. Prometheus, Grafana, CloudWatch, Azure Monitor).
- Knowledge of security best practices and compliance requirements (e.g. HIPAA, SOC 2, ISO 27001).
- Experience performing vulnerability remediation and hardening of servers using DISA STIGs.
Benefits:
- PTO available to use immediately upon joining (prorated based on start date)
- paid parental leave
- individual and family health, vision, and dental benefits
- annual budget for training, professional development and tuition reimbursement
- a 401(k) plan with company match fully vested after 60 days of employment
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