Linux Administrator

T-Rex Solutions is seeking a skilled and experienced Linux Administrator to join our IT Operations supportingthe US Department of the Treasury TCloud enterprise cloud development effort. This effort aims to facilitate holistic multi-cloud solutions (AWS Azure OCI and GCP) to meet the Department of Treasurys enterprise-wide infrastructure needs.. 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.

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

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

Desired Skills:

• 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)

T-Rex Overview

Established in 1999 T-Rex Solutions LLC is a proven mid-tier business providing data-centric mission services to the Federal government as it increasingly tries to secure and leverage the power of data. We design integrate secure and deploy advanced technical solutions for our customers so they can efficiently fulfill their critical objectives. T-Rex offers both IT and professional services to numerous Federal agencies and is a leader in providing high quality and innovative solutions in the areas of Cloud and Infrastructure Services Cyber Security and Big Data Engineering.

T-Rex is constantly seeking qualified people to join our growing team. We have built a broad client base through our devotion to delivering quality products and customer service and to do that we need quality individuals. But more than that we at T-Rex are committed to creating a culture that supports the development of every employees personal and professional lives. T-Rex has made a commitment to maintain the status of an industry leader in compensation packages and benefits which includes competitive salaries performance bonuses training and educational reimbursement Transamerica 401(k) and Cigna healthcare benefits.

T-Rex is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race religion color sex (including pregnancy and sexual orientation) parental status national origin age disability family medical history or genetic information political affiliation military service or other non-merit based factors.

In compliance with pay transparency guidelines the annual base salary range for this position is $105000 - $125000. Please note that the salary information is a general guideline only. T-Rex considers factors such as (but not limited to) scope and responsibilities of the position candidates work experience education/training key skills internal peer equity as well as market and business considerations when extending an offer.

T-Rex offers a diverse and collaborative work environment exciting opportunities for professional growth and generous benefits including: 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 and a 401(k) plan with company match fully vested after 60 days of employment among other benefits.