RedHat NVMe/Linux Administrator

2 weeks ago

Paramus, New Jersey, United States MarkLogic Full time $120,000 - $180,000 per year

Are you an experienced Linux systems engineer with expertise in NVMe-over-TCP, scripting, and storage performance? CMK Resources is looking for a RedHat NVMe/Linux Administrator to join our Residency team, working hands-on in high-performance storage environments and supporting critical Oracle infrastructure. This role is focused on performance tuning, scripting, automation logic, and deep system-level troubleshooting.

Location: Jersey City, NJ (preferred) — also open to Wilmington, DE; Atlanta, GA; Omaha, NE; Fort Lauderdale, FL

In-office availability: ideally 1–2 days/week in one of the above locations

Responsibilities

  • Configure and validate NVMe-over-TCP storage paths and multipath configurations
  • Automate discovery, validation, and setup using Bash/Python scripting
  • Tune NICs, queues, schedulers, and other kernel parameters for high-speed IO
  • Build and maintain Bash and Python utilities for storage operations, tuning, and testing
  • Integrate your scripts into Ansible playbooks for broader automation workflows
  • Support Oracle-related server builds and pre-deployment logic
  • Provide real-time troubleshooting during Dev, QA, and Production rollout windows
  • Conduct baseline vs post-migration performance comparisons
  • Use tools like fio, perf, sar, and iostat to isolate IO or latency issues
  • Support ServiceNow ticketing workflows and participate in root cause analysis
  • Work directly inside the end client's Azure DevOps boards
  • Align with their internal storage and automation framework
  • Collaborate with SAN and Oracle teams during patching, triage, and rollout events
Must-Have Skills:
  • NVMe-over-TCP: tuning, path validation, CLI, performance optimization
  • Linux (RHEL 7/8): filesystem management, sysctl/kernel tuning, systemd, networking
  • Storage Stack: XFS, ext4, LVM, multipath, udev rules, I/O profiling
  • Scripting: strong Bash, moderate-to-strong Python and Ansible
  • Tooling: Azure DevOps, ServiceNow API workflows, Git branching, and PRs

Nice-to-Haves:

  • Familiarity with Oracle RAC/ASM and their storage dependencies
  • Experience with performance tuning on large-scale storage infrastructure
  • Exposure to Pure Storage, though not required

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