Systems Engineer 2 (TS/SCI Clearance with Full Scope Polygraph Required)

J&T Business Consulting; New York (NY); On-site; USD 145,000 - 172,000; Full time

Job summary

J&T Business Consulting is seeking a Systems Engineer 2 in Columbia, United States, to deliver Linux systems administration and operations support in a high-availability enterprise environment. The role emphasizes command-line maintenance, system health monitoring, and ensuring mission continuity through robust pipeline management.

The candidate should have 5+ years of hands-on Linux experience and hold a TS/SCI clearance with polygraph.

Qualifications

• Minimum of five (5) years of hands-on Linux systems administration experience.
• Active TS/SCI with Polygraph clearance is required.
• Solid command-line proficiency across Linux environments and shell navigation.

Responsibilities

• System Administration: perform Linux OS administration, configuration, maintenance, and patching via command line.
• Pipeline & Messaging Management: monitor and maintain application, data, and messaging pipelines for mission continuity.
• Troubleshooting & Remediation: diagnose and resolve infrastructure and OS defects and bottlenecks.
• Operational Readiness: ensure mission system uptime and respond to alerts following SOPs.
• Collaboration & Handoffs: document operations, update tracking systems, and coordinate with teammates on handoffs.

Skills

Linux admin

Command-line

On-call readiness

Tools

Bash/Shell

Job description

Systems Engineer 2 (TS/SCI Clearance with Full Scope Polygraph Required)

Columbia, United States | Posted on 11/12/2026

Security Clearance: TS/SCI with Polygraph

Salary Range: $145,000 - $172,000

Role Overview

The System Administrator 2 delivers comprehensive Linux systems administration and operational support within a mission-critical, high-availability enterprise environment. This position centers on command-line system maintenance, system health monitoring, and overseeing application, data, and messaging flows. The ideal candidate brings solid, hands-on Linux administrative expertise and the ability to independently diagnose and resolve routine to moderately complex technical issues.

Operations Coverage & Schedule

Operational Hours: Core business-day coverage spans 6:00 AM - 6:00 PM, coordinated among team members to maintain seamless coverage.

On-Call Rotation: 24/7 after-hours support distributed via an on-call rotation, typically serving as the primary lead once every 5-6 weeks.

Shift Differential: Additional compensation is provided for dedicated on-call rotations and extended operational hours.

Key Responsibilities

System Administration: Execute routine and advanced Linux OS administration, configuration, maintenance, and patching using command-line interfaces.

Pipeline & Messaging Management: Oversee, monitor, and maintain application, data, and messaging pipeline performance to support mission continuity.

Troubleshooting & Remediation: Independently isolate, troubleshoot, and resolve infrastructure and operating system defects, bottlenecks, and anomalies.

Operational Readiness: Ensure mission system uptime, adhere to standard operational procedures, and respond swiftly to automated system alerts.

Collaboration & Handoffs: Maintain clear operational documentation, update tracking systems, and coordinate closely with team members during operational handoffs.

Required Qualifications

Clearance: Active TS/SCI with Polygraph.

Experience: Minimum of five (5) years of hands-on Linux systems administration experience.

Technical Skills: Solid command-line proficiency across Linux environments, system utilities, and shell navigation.

Benefits & Compensation

Base Salary: $145,000 - $172,000, determined by experience, technical expertise, and contract alignment.

Premium Pay: Dedicated differential pay structure for scheduled on-call duty and extended shift coverage.

Health & Wellness: Comprehensive medical, dental, and vision insurance options.

Retirement Planning: 401(k) retirement plan with company matching.

Paid Leave: Generous Paid Time Off (PTO), standard paid holidays, and paid parental leave.

Insurance Coverage: Company-provided basic life insurance and short/long-term disability coverage.

Professional Growth: Tuition reimbursement programs to support continuing education and certifications.