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

Benefits offered by this job

On-call rotations

Shift differential

Health insurance

401(k) matching

Paid time off

Job summary

J&T Business Consulting is seeking a Systems Engineer 2 in Columbia, NY area, requiring TS/SCI with Polygraph. The role focuses on Linux system administration, monitoring, and ensuring high availability for mission-critical workloads.

The candidate will participate in 24/7 on-call rotations with a shift differential and will collaborate with the team to maintain documentation and operational readiness. A strong hands-on Linux background is essential.

Qualifications

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

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 and coordinate with team during handoffs.

Skills

Linux admin

Command-line

Shell scripting

Job description

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

Columbia, United States | Posted on 10/22/2026

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.