Open Systems Technologies Corporation ยท 2 months ago
Lead Penetration Tester
Open Systems Technologies Corporation is a leader in the government contracting marketplace, providing Enterprise Security and Cloud Computing solutions. They are seeking a Lead Penetration Tester to join a high-performing agile team, responsible for the overall security of Enterprise-wide information systems and addressing cyber threats through various testing and response strategies.
ConsultingInformation TechnologySoftware
Responsibilities
Perform internal and external pentest against systems to determine vulnerabilities and offer mitigation strategies
Perform web app pentests
Perform vulnerability risk assessment
Perform physical pentests and social engineering
Perform cyber incident response as needed for programs
Qualification
Required
CLEARANCE: TS/SCI w/FSP (must be from NSA). Must have a FS poly from the MD customer, last poly must be within the past 6 years, no CCAs
At least 5 years of relevant experience
Must have experience in web development and programming languages such as Java, XML, Perl and HTML
Must have extensive experience performing IT security risk assessments
Must have experience performing web app and physical pentests
Experience with programming/scripting in Python, Powershell, C, JavaScript, etc
Must have experience with or strong familiarity of the following Web Application tools; Burp Suite, Web Inspect, Appdetective
Must have experience with or strong familiarity of Kali
Must have experience with or strong familiarity of IPS/IDS solutions
Must have a strong understanding of the Cyber Kill Chain methodology
Must have the ability to effectively collaborate with technical staff and customers when necessary to form strategies and plan for continuous modernization and legacy integration
Must have experience managing multiple projects and quickly and effectively adjusting to shifting priorities and resolving issues
Preferred
BS in a related field and at least 8 years of relevant experience
Certifications in one or more of the following areas:
GIAC Web Applications Penetration Tester/GWAPT
GIAC Penetration Tester/GPEN
Certified Ethical Hacker/CEH
Certified Information Security Manager/CISM
Certified Web Application Defender/GWEB
Certified Information System Security Professional/CISSP
Benefits
3 weeks paid time off
11 Federal Holidays
Medical/dental coverage
STD
LTD
Life Insurance
AD&D
401k with up to 4% match
End-of-year profit sharing
Company
Open Systems Technologies Corporation
Open Systems Technologies (OST) Corporation is a technology solutions company that has been providing customized, high-end security solutions to large-scale enterprises since 1996.
Funding
Current Stage
Growth StageRecent News
Intermap Technologies
2025-09-25
2025-09-23
Company data provided by crunchbase