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Sr. Linux & OCI Administrator (Oracle Linux / RHEL)

2 hours, 30 minutes ago
United States
Full-time
Senior
Infrastructure Engineer
DevOps and Infrastructure
Ansible Azure Bash DHCP DNS Docker GitHub Actions GitLab CI HashiCorp Vault Jenkins Kubernetes Linux Load Balancing Packer SFTP SSH TCP/IP Terraform TLS
Apply Now
Mitratech

Mitratech

Mitratech specializes in automating processes through innovative solutions and services in compliance, risk management, enterprise HR, and legal operations, empowering organizations to effectively manage risks and scale for future growth.

Professional Services
1K-5K
Founded 1987
$3M raised
View All Jobs 9

Description

  • Administer and support Oracle Linux systems, including patching, tuning, and troubleshooting.
  • Manage OCI resources such as compute, VCNs, subnets, routing, and load balancers.
  • Configure and maintain OCI security controls, including IAM, NSGs, security lists, and compartments.
  • Design and troubleshoot OCI networking and connectivity issues.
  • Provision and manage infrastructure using Terraform as code.
  • Support SFTP and mail services, including secure access, monitoring, and troubleshooting.
  • Perform system monitoring, backup coordination, and disaster recovery support.
  • Participate in production support, incident response, and on-call rotations.
  • Maintain operational documentation, runbooks, and design-related documentation.

Requirements

  • 7+ years of professional experience administering Linux in production, preferably Oracle Linux or a closely related RHEL environment.
  • Strong hands-on experience with OCI administration, including compute, networking, IAM, and security.
  • Experience supporting Oracle WebLogic Server.
  • Working knowledge of Oracle Database environments.
  • Deep proficiency with Terraform, including modules, workspaces, remote state, and testing.
  • Experience with Ansible, including roles, collections, idempotency, and vault.
  • Strong understanding of systems administration topics such as kernel, systemd, SELinux/AppArmor, LVM, filesystems, iSCSI/NFS, SSH, and hardening.
  • Knowledge of patch and package management, vulnerability management, and baseline hardening standards such as CIS/STIG.
  • Solid networking fundamentals, including TCP/IP, routing, DNS, DHCP, load balancing, proxies, firewalls/security groups, and PKI/TLS certificates.
  • Proficiency in Bash scripting.
  • Experience with SFTP and SMTP/mail services.
  • Comfort working with both modern deployment practices and older change-management processes.
  • Proven ability to troubleshoot complex incidents across OS, network, and platform layers.
  • Clear written and verbal communication skills, including the ability to author design documents, runbooks, and RFCs.
  • Preferred certifications such as Oracle Linux, OCI Architect Professional/Associate, RHCSA/RHCE, Terraform Associate, or Ansible Automation.
  • Preferred experience with tools such as Packer, GitHub Actions, GitLab CI, Azure DevOps, Jenkins, HashiCorp Vault, OCI Bastion, Cloud Guard, and Security Zones.
  • Preferred experience with Docker, Kubernetes, admission controls, image signing, and runtime policies.
  • Preferred experience with monitoring tools, CI/CD pipelines, and high availability or disaster recovery environments.

Benefits

  • 100% remote work within the U.S.
  • Anticipated base salary of $130,000 to $135,000 annually.
  • Annual bonus eligibility.
  • Health, dental, and vision insurance.
  • 401(k) with employer match.
  • Unlimited PTO plus 11 paid holidays and 4 annual paid global wellness days off.
  • STD, LTD, and group life insurance.
  • Paid parental leave.
  • Pet insurance, FSA/HSA options, and an Employee Assistance Program.
  • Career advancement, professional development opportunities, and access to LinkedIn Learning.

Interested in this position?

Apply directly on the company website

Apply Now

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