Threat Investigation Analyst at Sentinel: 100% Remote (Downers Grove, IL)

September 29, 2026

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Title: Threat Investigation Analyst

Location: Downers Grove, Illinois, United States

Type: Regular FTE

Job Description:

Responsibilities

The Threat Investigation Analyst is a key member of the Threat Operations Team and serves as a first responder to cybersecurity incidents. This role is responsible for triaging, investigating, and responding to security alerts to protect customer environments. Analysts evaluate real-world logs, network traffic, and security artifacts to determine malicious versus benign activity and communicate findings clearly to both technical and non-technical stakeholders. Schedule: Friday, Saturday, Sunday and Monday | 4x10 (11:00 PM CST - 9:30 AM CST). This position can be remote, with occasional onsite support required at our Downers Grove, IL headquarters.

Training & Onboarding

New hires will complete a structured onboarding and training period onsite unless they live outside a 50-mile radius of Sentinel Technologies.

Training hours will be Monday through Friday, 8:30 AM CST – 5:00 PM CST and will continue until the employee is prepared to transition to their assigned shift. Preparedness will be determined through regular performance reviews focusing on readiness to operate independently in the position.

During onboarding, employees will:

Work closely with their manager, team leads, and senior analysts.
Shadow live security investigations and incident response activities.
Learn customer environments, security tools, workflows, and response procedures.
Develop proficiency in investigation, escalation, documentation, and communication processes.

Qualifications

1+ years of experience in a Security Operations role (SOC, Incident Response, Threat Intel, Malware Analysis, IDS/IPS, etc.) preferred
Required minimum certifications: CompTIA Security+
Experience with SIEM platforms and security investigations
Experience performing daily system monitoring and health checks for various security products
Confident triaging alerts and reports of incidents
Familiarity with network, endpoint, and host-based security telemetry
Understanding of common and emerging attack techniques
Understanding basic network protocols and traffic flow in an enterprise environment
Strong attention to detail and documentation accuracy
The ability to communicate clearly with verbal and written skills
Must be able to meet and uphold CJIS requirements
The candidate must have a car, as this position requires travel between location and the transportation of equipment
A valid driver’s license and proof of vehicle insurance will be required
Legally authorized to work in the US without sponsorship
Must demonstrate a “can-do” attitude

We focus on candidates that display our “ACE” factor – Attitude, Compassion, and Enthusiasm to deliver quality solutions with exceptional customer service.

Compensation:

$60,000-$65,000

What you get:

We offer an energetic work environment with many corporate culture amenities, competitive salary, and rich benefit plan including: Medical, Dental, Vision, 401K, 529, Life Insurance, Income Protection Short and Long-Term Disability, Medical and Child/Elder Care, Flexible Spending Account Plans, Family Planning Benefits, Financial Education, Identity Theft Protection and Assistance, Legal Services, Employee Assistance Program, Two weeks’ vacation, additional paid time-off for Personal and Sick, certification and hands-on training, and employee discount for product services and entertainment.

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