Penetration Testers

System One
Chicago, IL
If interested please reach out to Julianna Spicer at [email protected] Job Title: Penetration Testers Location: Chicago, Illinois Type: Contract Contractor Work Model: Onsite Hours: 8pm - 4am Security Clearance: Must be US citizen, no clearance required. Job Overview We are seeking several Penetration Testers to join our client's Chicago cybersecurity team. This role will support penetration testing operations across applications, networks, and enterprise environments. The ideal candidate will bring deep technical expertise, proven experience in vulnerability research and exploitation, and the ability to work collaboratively within an offensive security team. There are three levels of experience required for this position: + Entry Level: Bachelor's degree with 3 years of professional experience or Master's degree with 1 year of professional experience. + Mid Level: Bachelor's degree with 8 years of professional experience or Master's degree with 6 years of professional experience. + Senior Level: Bachelor's degree with 15 years of professional experience or Master's degree with 13 years of professional experience. Primary Responsibilities + Conduct penetration testing operations in accordance with DHS and industry best practices. + Perform web application, network, and infrastructure testing using commercial and open-source tools. + Safely execute testing activities under defined operational guidance. + Document findings in detailed reports with actionable remediation recommendations. + Collaborate with SOC, engineering, and defensive security teams to validate and remediate vulnerabilities. + Contribute to tool development, methodology refinement, and knowledge-sharing across the team. Required Qualifications + Bachelor's or Master's degree in a related discipline (see experience levels above). + Minimum of 1 year of experience in at least one of the following areas: + Incident detection and response + Malware analysis + Cyber forensics Experience with at least 3 of the following tools: + + Kali Linux + Metasploit + Burp Suite + Nmap + Cobalt Strike + Tenable Nessus + WebInspect + Scuba + AppDetective + Must hold one or more certifications: GPEN, GWAPT, GISF, GXPN, OSCP, OSCE, OSWP, OSEE, CISSP, or CEH. Preferred Qualifications + Prior IT security or audit experience + Previous system administration experience + IT experience in a Computer Science discipline Ref: #850-Rockville (ALTA IT) System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
Posted 2025-11-14

Recommended Jobs

Director - Technical Customer Success - Panel Extracts

Nielseniq
Chicago, IL

Company Description R25_0019334 #LI-Remote Job Description About this Job We are seeking a technically adept customer success professional to support NielsenIQ’s Consumer Panel Data …

View Details
Posted 2025-10-10

CNC Shop Machinist 2nd shift

Amsted Manufacturing USA
Granite City, IL

Maintenance Shop Machinist (CNC) – 6:00 PM to 2:00 AM Amsted Rail is the world’s leading provider of fully integrated bogie systems for the heavy haul freight market, with facilities spanning 40 loc…

View Details
Posted 2025-11-06

Computed Tomography Tech | Belvidere, Illinois

Sunbelt Staffing
Belvidere, IL

Job Description Job Description Degree in Radiologic Technology, Certification in Radiologic Technology (ARRT Certification), and minimum 1+ years CT Tech experience required. Applicants who do n…

View Details
Posted 2025-11-06

Dedicated Team Driver - Home Weekly

XPO Logistics
La Salle, IL

What you’ll need to succeed as a Team Driver at XPO Minimum qualifications: Be a member of an existing team. We are only recruiting existing teams, and both team members must apply to this posi…

View Details
Posted 2025-11-07

Clinical Transitions Specialist RN - Case Management

Carle Health
Normal, IL

Overview: Responsible for the oversight, coordination, and management of the functional and financial outcomes during acute illness requiring hospitalization for patients of Carle Health. Ensures pati…

View Details
Posted 2025-11-06

Production Supervisor

SV Target Metal Blanking
Sauk Village, IL

Join Target Metal Blanking, a dynamic and rapidly expanding company, as a Production Supervisor. This pivotal role is responsible for ensuring our production processes are efficient, cost-effective, …

View Details
Posted 2025-11-07

DINING/BAR SUPERVISOR (SEASONAL)

Compass Group, North America
Evanston, IL

Flik Hospitality Group + We are hiring immediately for a seasonal **DINING/BAR SUPERVISOR** position. + **Location** : Allen Center - 2169 Campus Drive, Evanston, IL 60201. _Note: online applications …

View Details
Posted 2025-11-13

Front Office Assistant

COMMUNITY HEALTH PARTNERSHIP OF ILLINOIS
Harvard, IL

Position: Front Office Assistant Location: Harvard, IL Community Health Partnership of Illinois is a is a non-profit organization that provides primary health care to migrant farmworkers and othe…

View Details
Posted 2025-10-21

Physician Assistant or Nurse Practitioner - Rube Walker Blood Center - Apheresis, Part-time (2x12s), Days

Northwestern Medical Group
Chicago, IL

The salary range for this position is $60.00 - $79.67 (Hourly Rate) Placement within the salary range is dependent on several factors such as relevant work experience and internal equity. For positi…

View Details
Posted 2025-10-22

Member Engagement Guide

Highmark Health
Springfield, IL

**Company :** Highmark Health **Job Description :** **JOB SUMMARY:** This job collaborates with Sales Client Management and the Sales Executive team. The position will develop member transition strate…

View Details
Posted 2025-11-15