Open Systems Technologies Corporation · 1 day ago
Penetration Tester
Annapolis Junction, MD, United States
Full-time
Onsite
Lead/Staff
12+ years expOpen Systems Technologies Corporation is a leader in the government contracting marketplace, providing Enterprise Security and Cloud Computing solutions. They are looking for a Lead Penetration Tester to join an agile team, responsible for ensuring the security of Enterprise-wide information systems and addressing cyber threats through various testing and security measures.
ConsultingInformation TechnologySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Perform internal and external pentests against systems to determine vulnerabilities and develop mitigation strategies
Perform web app pentests
Perform vulnerability risk assessments
Perform physical pentests and social engineering analysis
Perform cyber incident response as needed
Evaluate the impact of new development on the operational security posture of IT systems
Evaluate, review, and test critical software
Formulate security compliance requirements for new system features
Identify and remediate security issues throughout the system
Audit and assess system security configuration settings using common methodologies and tools
Work with development teams to enrich team-wide understanding of different types of vulnerabilities, attack vectors, and remediation approaches
Work closely with System Engineering, Test Engineering, and Integration teams to ensure hardware and software architecture and implementations meet strict security requirements
Propose, assess, coordinate, implement, and enforce information systems security policies, standards, and methodologies
Serve as a Subject Matter Expert in security architecture, to include providing advice to Program Managers, Customer technical experts, and internal program teams
Qualification
Required
Must have experience with penetration testing tools
Must have experience in web development and programming languages such as Java, XML, Perl and HTML
Must have experience with programming/scripting in Python, Powershell, C, JavaScript, etc
Must have extensive experience performing IT security risk assessments
Must have experience performing web app and physical pentests
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 experience applying Risk Management Framework
Must have experience with secure configurations of commonly used desktop and server operating systems
Must have the ability to effectively collaborate with technical staff and customers to form mitigation strategies and plan for continuous modernization and legacy integration
Must have experience managing multiple projects simultaneously and quickly and effectively adjusting to shifting priorities in resolving issues
Preferred
Bachelor's degree in a technical/information assurance field and at least 12 years of relevant experience
Certifications in one or more of the following areas strongly preferred: 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)
Extensive experience developing/implementing integrated security services management processes, such as assessing and auditing network penetration testing, anti-virus planning assistance, risk analysis, and incident response
Extensive experience providing information assurance support for application development that includes system security certifications and project evaluations for firewalls that encompass development, design, and implementation
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.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Thomas R. Truitt
Owner / Founder / Servant-of-All
Recent News
Intermap Technologies
2025-09-25
2025-09-23
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