25 offensive jobs at 16 companies in Wheaton, IL

4w
Save
Mark Applied
Hide
Lead, Offensive Security
Louisville or New York City or Dallas or Charlotte or Tampa or Miami or Washington or Chicago or Boston or Atlanta or Nashville
$142k-$196k/yr RemoteFull Time
Humana
HumanaNYSE: HUM: Provides health insurance plans and clinical healthcare services.
6+ YOE6+ Mgmt6+ years in red team/penetration testing with leadership experience; production Python engineering; built or operated agentic AI/LLM applications; experience attacking AI/ML systems; production cloud experience (AWS, GCP, or Azure).
Python, PyRIT, Garak, MITRE ATLAS, OWASP Top 10 for LLM Applications, NIST AI Risk Management Framework, AWS, GCP, Azure, Hack The Box Pro Labs
1mo
Save
Mark Applied
Hide
WebApp Offensive Security Engineer
United States or Chicago
$196k-$242k/yr RemoteFull Time
Horizon3.ai
Horizon3.ai: Autonomous penetration testing platform for continuous security assessment.
Extensive hands-on web application penetration testing experience, ability to reproduce and validate edge-case exploits, strong communication, proxy tool experience (Burp Suite), scripting (Python), and history of security research or bug bounty contributions.
NodeZero, Burp Suite, Python, Nuclei, sqlmap, LangChain, LangFlow, Postgres, Neo4j, Jira, Model Context Protocol (MCP)
3w
Save
Mark Applied
Hide
X-Day Offensive Research (XOR) Vulnerability Researcher
Jersey City or Washington or Chicago or Plano or Houston or Tampa or Atlanta or Wilmington or McLean or Columbus
$152k-$260k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years cybersecurity experience with vulnerability research, reverse engineering, exploit development, and assessments; strong OS internals and analysis skills; proven CVE track record; excellent communication.
IDA Pro, Ghidra, Binary Ninja, WinDbg, GDB, RR, LibFuzzer, LibAFL, AFL++, OSS-Fuzz, Syzkaller, LLVM, Angr, KLEE, Intel Pin, DynamoRIO, Frida, C/C++, Java, .NET, Open Worldwide Application Security Project (OWASP) Top Ten, National Institute of Standards and Technology (NIST) Cybersecurity Framework
3w
Save
Mark Applied
Hide
Senior Penetration Testing Engineer
Chicago, Illinois, United States
$93k-$144k/yr HybridFull Time
Alliant Credit Union
Alliant Credit Union: Provides digital banking, consumer loans, and mortgage lending services.
3+ YOEBachelor's in CS/related or 6 years' equivalent; minimum 3 years penetration testing/offensive security; preferred offensive security certifications; strong communication and reporting skills.
3w
Save
Mark Applied
Hide
Senior Red Team Operator
Minneapolis or Atlanta or Cincinnati or Cupertino or Portland or New York or Chicago or Englewood or Charlotte or Irving
$133k-$157k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
8+ YOEBachelor's degree or equivalent, 8+ years in information security with offensive security/Red Team experience; expertise in exploit development, offensive tooling, and scripting; strong communication and leadership.
Cobalt Strike, Metasploit, Mythic, Sliver, Python, PowerShell, C/C++, C#, Go, Shell, EDR, XDR, Infrastructure as Code (IaC)
3w
Save
Mark Applied
Hide
Lead Penetration Test Engineer
Boston or Chicago or Dallas or Houston or Englewood or Raleigh or Princeton or New York or Southfield or Washington or Toronto or Calgary or Boulder
$135k-$200k/yr HybridFull Time
S&P Global
S&P GlobalNYSE: SPGI: Provides financial data, analytics, and credit ratings worldwide.
8+ YOEBachelor's degree or equivalent, minimum 8 years information security experience focused on penetration testing, expertise with offensive techniques, cloud/app security, scripting, and at least one offensive security certification.
Burp Suite, Nessus, Metasploit, Nmap, DAST, SAST, SCA, CI/CD, Bash, Python, Go, PowerShell, JavaScript, MITRE ATT&CK, OWASP Top 10, CVE, CVSS, CWE
2d
Save
Mark Applied
Hide
CDL Class A Dedicated
Ann Arbor or Detroit or Fort Wayne or Gary or Indianapolis or Kalamazoo or Lafayette or New Augusta or Traders Point or Michigan or Ohio or Indiana or Illinois or Missouri or Kansas
$1k-$2k/wk FieldFull Time
Hirschbach Motor Lines
Hirschbach Motor Lines: Refrigerated and dry van motor carrier services.
1+ YOE12 months recent tractor-trailer experience, limits on accidents/tickets and job changes, no serious offenses; CDL Class A required.
1w
Save
Mark Applied
Hide
CDL A OTR Owner Operator Truck Driver
Austin or Centerville or Chicago or Dallas or Dessau or Houston or Jacksonville or Orlando or San Antonio or Tallahassee or Waco or Canada
$75k-$90k/yr FieldContract
MGR Freight Systems
MGR Freight Systems: Provides nationwide freight transportation and logistics services.
1+ YOECDL A driver with ≥1 year tractor‑trailer experience, ≤3 moving violations in 5 years, no DOT‑defined accidents or serious offenses in 5 years.
1w
Save
Mark Applied
Hide
CDL A Owner Operator - Home Daily
Channahon or Chicago
$4k-$5k/wk FieldContract
IMC Logistics
IMC Logistics: Provider of intermodal container transportation and landside logistics services.
1+ YOEClass A CDL, 1 year tractor-trailer experience, ≤1 preventable accident in 3 years, no serious offenses in 5 years; hazmat endorsement reimbursed.
2mo
Save
Mark Applied
Hide
Security Engineer
Chicago, Illinois, United States
$145k-$195k/yr OnsiteFull Time
Coinflow
Coinflow: Enables instant global payments using stablecoins and blockchain technology.
4+ YOE4+ years in security engineering or DevSecOps; hands-on offensive and defensive security; SIEM; code experience in TS/Node; vulnerability management; AI-native tooling.
Datadog, Splunk, Elastic, Panther, TypeScript, Node.js, Rust, Go, Python, Claude Security, Claude Code, SAST, DAST, CI/CD
3mo
Save
Mark Applied
Hide
Sr. Info Security Specialist
Chicago, Illinois, United States
$122k-$157k/yr OnsiteFull Time
Cboe
CboeBATS: CBOE: Operates global market infrastructure and provides tradable financial products.
5+ YOE5+ years red teaming or offensive security; bachelor’s degree or equivalent; strong attacker tradecraft; hands-on in endpoint, identity, cloud; knowledge of EDR, SIEM; purple team; communications.
Python, PowerShell, Bash, EDR, SIEM, Cloud security tools, Threat modeling tools
3w
Save
Mark Applied
Hide
Lead Penetration Test Engineer
Princeton or Boston or Chicago or Dallas or Houston or Englewood or Raleigh or New York or Southfield or Washington or Toronto or Calgary
$135k-$200k/yr HybridFull Time
S&P Global
S&P GlobalNYSE: SPGI: Provides independent credit ratings, market benchmarks, and financial analytics.
8+ YOEBachelor's or equivalent, 8+ years in information security with penetration testing focus; hands-on with Burp Suite, Nessus, Metasploit, Nmap; scripting (Bash, Python, Go, PowerShell, JavaScript); offensive cert (OSCP or similar).
Burp Suite, Nessus, Metasploit, Nmap, MITRE ATT&CK, OWASP Top 10, DAST, SAST, SCA, CVE, CVSS, CWE, Bash, Python, Go, PowerShell, JavaScript, CI/CD
1w
Save
Mark Applied
Hide
CDL-A OTR Dry Van Truck Driver
Charlotte or Chicago or Dallas or Des Moines or Jersey City
$88k-$104k/yr FieldFull Time
Quality Wheels
Quality Wheels: Provides long-haul and regional dry van trucking services.
2+ YOEMust be 23+, hold a current Class A CDL, have 2 years verifiable semi-truck experience, meet DOT physical/drug screen, have limited moving violations and no recent major offenses.
ELD
3w
Save
Mark Applied
Hide
Forward deployed engineer Chicago
Chicago, Illinois, United States
FieldFull Time
Aikido Security
Aikido Security: Developer-first security platform for code, cloud, and runtime.
Strong infrastructure and networking fundamentals (Docker, DNS, TLS), Linux debugging, ability to read Go/TypeScript/Python, familiarity with enterprise networks, basic offensive security knowledge, strong communication; must live in Chicago.
Docker, Postgres, Go, TypeScript, Python, Linux, AWS, Azure, GCP, SSO, IdP, PKI, DNS, TLS
1mo
Save
Mark Applied
Hide
Principal Red Team Operator
Johnston or Boston or Iselin or Pittsburgh or Cleveland or Chicago or Philadelphia or Manchester
$120k-$210k/yr HybridFull Time
Citizens Financial Group
Citizens Financial GroupNYSE: CFG: Provides retail, commercial, and private banking services to customers.
4+ YOE4+ years hands-on offensive security experience with red/purple team operations, adversary emulation, campaign-based testing; Bachelor's preferred or equivalent experience; OSCP/OSEP/CRTO/CRTP or similar; AI security exposure; strong communication.
3w
Save
Mark Applied
Hide
Associate Principal, Adversarial Red Team
Chicago, Illinois, United States
$122k-$197k/yr HybridFull Time
Options Clearing Corporation
Options Clearing Corporation: Clearing and settlement for equity derivatives and options.
5+ YOE5+ years in cybersecurity with 3+ years penetration testing; strong offensive security skills (OSINT, red team, C2, evasion), programming/scripting, cloud testing (AWS/Azure), EM/EDR familiarity, excellent communication, and security certifications preferred.
AI/LLM, Model Context Protocol (MCP), AWS, Azure, Crowdstrike, Carbon Black, Kali, Armitage, Metasploit, Cobalt Strike, Nighthawk, Nmap, Qualys, Nessus, Burp Suite, Wireshark, Recon-NG, Ettercap, Bettercap, Hashcat, Bloodhound, Ida Pro, Ghidra, Sublist3r, Rubeus, Mimikatz, CrackMapExec, Exploitdb, Yersinia, Impacket, MSSQL, DB2, MySQL, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Visio, Microsoft SharePoint, ServiceNow, DMS, PolicyTech
1mo
Save
Mark Applied
Hide
Cyber Purple Team Operator
Chicago or Tempe
$100k-$169k/yr HybridFull Time
Northern Trust
Northern TrustNASDAQ: NTRS: Financial services for individuals, families, and global institutions.
3+ YOE3+ years in cybersecurity with purple/red/blue teaming experience; strong MITRE ATT&CK knowledge; coding/scripting (Python/PowerShell/Bash); SIEM/EDR; cloud security; offensive security tools; AI automation; cloud environments; AD/EntraID; OSI/networking concepts; EDR evasion payloads; relevant certifications.
Cobalt Strike, Metasploit, Caldera, Mythic, Breach and Attack Simulation, Python, PowerShell, Bash, Azure, AWS, EntraID, Active Directory, EDR, SIEM