[Remote] Linux Administrator

Note: The job is a remote job and is open to candidates in USA. Catapult Federal Services is seeking a skilled and experienced Linux Administrator to support the US Department of the Treasury's TCloud enterprise cloud development effort. The role involves managing and maintaining Linux systems across various cloud platforms to ensure the stability, performance, and security of the multi-cloud environment.ResponsibilitiesLinux System Administration:Install, configure, and maintain Linux servers (CentOS, Ubuntu, Red Hat, etc.) in both physical and virtual environmentsPerform regular system updates, patch management, and kernel upgradesCloud Management:Deploy, configure, and manage Linux-based infrastructure in AWS, Azure, OCI, and GCPUtilize cloud-native tools and services for monitoring, scaling, and automating Linux workloadsAutomation and Scripting:Develop and maintain automation scripts using Bash, Python, and other relevant scripting languagesUtilize configuration management tools (e.g., Ansible, Puppet, Chef) to automate provisioning and configuration of Linux systemsMonitoring and Optimization:Implement and manage monitoring solutions to ensure high availability and performance of Linux systemsPerform performance tuning and optimization of Linux servers and applicationsSecurity and Compliance:Ensure systems comply with organizational and industry security standardsConduct regular security audits, vulnerability assessments, and implement remediation strategiesPerform 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 environmentsPerform regular testing of backup and disaster recovery processesCollaboration and Support:Work closely with security teams to support application deployment and troubleshootingProvide Tier 2/3 support for Linux-related incidents and service requestsParticipate in on-call rotationsSkillsMust be a US Citizen with the ability to obtain a Public Trust clearanceBachelors degree and four (4) years or more of related experience or Masters and two (2) or more years of related experienceProven 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)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)Certifications in relevant cloud platforms (AWS Certified Solutions Architect, Microsoft Certified: Azure Administrator, Oracle Cloud Infrastructure Architect Associate, Google Professional Cloud Architect)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 performing vulnerability remediation and hardening of servers using DISA STIGsCompany OverviewCatapult Federal Services is headquartered in Plano, TX, with its primary business operations office located in the greater Washington, D.C. area. It was founded in 2017, and is headquartered in Plano, Texas, US, with a workforce of 201-500 employees. Its website is https://catapultsg.com/.