UNIX/Linux Support Engineer (On-site)

Quantori; Middletown (NJ); On-site; USD 80,000 - 110,000; Full time

Benefits offered by this job

Competitive compensation

Healthcare benefits

Continuous education and professional development

Job summary

A technology consulting firm in New Jersey seeks an experienced UNIX/Linux Support Engineer. This role involves providing on-site support for a large UNIX/Linux environment, managing incidents, and performing automation tasks. The ideal candidate will have 3–6 years of experience, particularly with RHEL and Ubuntu, and strong skills in VMware and automation tools. Competitive compensation and healthcare benefits are offered, along with opportunities for professional development.

Qualifications

• 3–6 years of experience in enterprise Linux/Unix administration.
• Strong experience in administering RHEL 6–9 and Ubuntu.
• Hands-on experience with VMware ESX.

Responsibilities

• Monitor alerts and tickets through ServiceNow.
• Diagnose and resolve issues across Linux and Unix platforms.
• Restart services and manage operational changes.

Skills

Enterprise Linux/Unix administration

RHEL 6–9 administration

Ubuntu 20/22/24 administration

VMware ESX

Ansible Tower

Red Hat Satellite

Puppet

ServiceNow

Networking fundamentals

Education

Red Hat Certified System Administrator (RHCSA)

Tools

TrueSight

IBM Spectrum Scale

Dell PowerEdge

Cisco UCS

HP hardware

Job description

Join to apply for the UNIX/Linux Support Engineer (On-site) role at Quantori.

We are looking for an on-site L2 UNIX/Linux Support Engineer to provide both remote and on-site operational support for the enterprise's UNIX/Linux infrastructure. The environment includes approximately 1,500 servers (600 physical and 900+ virtual) running RHEL 6–9, Ubuntu 20/22/24, AIX, HP-UX, and Solaris on Dell, IBM, and Cisco UCS hardware. This position covers incident management, patching, monitoring, automation, cluster administration, and occasional onsite tasks such as hardware inspection, vendor coordination, and recovery operations.

Location

Lindhurst or Middletown

Responsibilities

• Monitor infrastructure alerts and tickets through ServiceNow and TrueSight.
• Diagnose and resolve filesystem, CPU, memory, and agent issues across Linux and Unix platforms.
• Restart services and daemons, clean up logs or disk space, manage processes, and apply configuration corrections.
• Perform standard operational changes, including agent reinstalls, disk extensions, and configuration updates.
• Support VMware ESX hosts (Dell/Cisco UCS), perform VM health checks, validate resource and datastore usage.
• Monitor and troubleshoot GPFS (IBM Spectrum Scale) and LSF workload schedulers.
• Provide basic OpenShift and RStudio support for system availability.
• Execute and enhance Ansible Tower and Red Hat Satellite workflows for patching and configuration management.
• Maintain and improve Puppet modules and shell scripts for operational efficiency.
• Ensure alerts are validated; tickets are updated and resolved in accordance with SLAs.
• Perform hardware interventions, including disk replacements, NIC reseating, and console access.
• Coordinate hardware replacements with Dell, IBM, Cisco, and HP vendors.
• Validate data center connectivity, participate in DR testing, and ensure accurate asset documentation.
• Participate in the on-call rotation approximately once per month, providing after-hours support for critical production incidents.
• Serve as an escalation point for critical system alerts during off-hours to ensure service continuity.
• Coordinate with data center or vendor teams for emergency actions when needed.

What we expect

• 3–6 years of experience in enterprise Linux/Unix administration and support.
• Strong experience in administering RHEL 6–9 and Ubuntu 20/22/24, with working knowledge of legacy AIX, HP-UX, and Solaris systems.
• Confident in managing Dell PowerEdge, IBM Frame, and Cisco UCS hardware, including iDRAC/iLO operations and rack-level maintenance.
• Hands‑on experience with VMware ESX (console operations, vMotion, datastore validation).
• Familiarity with clustered storage environments such as GPFS (Spectrum Scale) and workload scheduling with IBM LSF.
• Automation experience with Ansible Tower, Red Hat Satellite, Puppet, and shell scripting.
• Practical experience with ServiceNow for incident/change management and TrueSight/PATROL for monitoring.
• A good understanding of networking fundamentals, such as VLANs, bonding, and interface validation.
• Red Hat Certified System Administrator (RHCSA) or equivalent certification.
• Strong analytical, documentation, and communication skills.
• Eligibility for compliance-based background checks (PHI exposure).
• Availability for working from 9 AM – 5 PM EST (On‑site).

We offer

• Competitive compensation
• Remote or office work
• Healthcare benefits: medical insurance and paid sick leave
• Continuous education, mentoring, and professional development programs
• A team with excellent technical expertise
• Certifications paid by the company

Seniority level

• Mid‑Senior level

Employment type

• Full‑time

Job function

• Information Technology
• IT Services and IT Consulting