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SimVentions

Employee-owned engineering services provider delivering excellence

Red Team Penetration Tester

Offensive Security & TestingConfirmed live in the last 24 hours
Full-timeVirginia Beach, VA, USA$110k - $150k /yr

About the Job

Requirements

  • Five years of experience in software engineering applied to program development, modeling and simulation applied to Department of Defense or information technology systems.
  • Demonstrated knowledge of Linux and foundational knowledge of Windows, including enterprise networks.
  • Strong working knowledge of common penetration-testing tools, including Kali, Metasploit, Nmap, and Cobalt Strike.
  • Documented experience in at least one of the following: penetration testing; red team operations; tool or software development involving exploits, malware, command and control, reverse engineering, or bug bounties; programming in Python, C, C#, C++, Go, Perl, or PowerShell; or web development, web application development, or web penetration testing.
  • Experience with technologies including NSX, vCenter, vRealize Suite, Horizon View/VDI, PAN-OS, FirePower, Nexus, IOS, ASA, ONTAP, SnapMirror, Active Directory, single sign-on, multifactor authentication, Azure application integration, identity federation, PowerShell, Power Automate, Logic Apps, Graph API, Palo Alto, Cisco, VMware, NetApp, Microsoft products, Microsoft Entra ID and Microsoft 365 in a hybrid environment, integrating on-premises Active Directory with Entra ID, and managing identity and access in Entra ID.
  • Experience conducting red team operations in a Microsoft Defender for Endpoint environment.
  • Experience with AWS, cloud audit, serverless and microservice architecture, and AWS services such as EC2, S3, KMS, and RDS, including relevant security best practices.
  • Experience with RESTful and SOAP web-services penetration testing and web authentication protocols such as OAuth2, SAML, and LDAP.
  • Experience with PHP, ASP, SQL databases, Java, HTML, or NoSQL.
  • At least one listed security certification: Security+, CCNA Security, CySA+, GICSP, or SSCP.
  • A penetration-tester certification, with one of the listed qualifications: OSCP, OSCE, OSEE, OSWP; SANS SEC560/GPEN, SEC542/GWAPT, SEC660/GXPN, SEC642, or SEC564; graduation from the OSD-sponsored Cyber Operation Academy Course; Capture the Flag participation; or security research resulting in a CVE.
  • An active Secret clearance is required. U.S. citizenship is required to obtain a clearance.
  • High school diploma or GED equivalent.

Responsibilities

  • Debug and reverse engineer software.
  • Analyze Windows events and Linux syslogs, boot logs, and dmesg logs.
  • Program and debug Web 2.0, Java, Perl, Ada, C++, and Tool Command Language (Tcl/Tk) scripts and graphical user interfaces using Microsoft Visual TEL and Rational ClearCase for software configuration management.
  • Recommend software modifications to systems to mitigate known vulnerabilities.
  • Operate and administer computer systems running HP-UX, UNIX, Solaris, Linux, and Microsoft Windows.
  • Identify security flaws in compiled and human-readable source code.
  • Understand code utilizing real-time VxWorks and LynxOS operating systems, Common Object Request Broker Architecture (CORBA), firewalls, and networking protocols.
  • Understand how to implement NSA-approved encryption technologies and devices, and apply DISA Security Technical Implementation Guides (STIGs).
  • Apply virtual hosting and server technology in system architectures, and apply deceptive technologies such as honeypots in system architectures.
  • Participate in code reviews, perform static source code analysis, and author recommendations for improving software and code design.
  • Contribute to a System Security Administrator and Operators Manual (SSAOM).

Desired Qualifications

  • An active Top Secret clearance with SCI eligibility is preferred.

About the Company

SimVentions

Employee-owned engineering services provider delivering excellence

SimVentions provides modeling, simulation, and analysis services for defense and government customers. It helps clients design, test, and evaluate systems by building simulation models, running digital twins and wargames, and delivering engineering support and software of simulation tools. Their products operate by integrating data, models, and simulations into end-to-end workflows to assess performance, training needs, and risk under realistic scenarios. The company differentiates itself through its employee-owned structure and a focus on delivering precise, reliable simulation and analysis services with a strong emphasis on excellence and client service. The overall goal is to help customers make informed decisions, reduce risk, and improve readiness by providing high-quality, battle-tested simulation solutions.

Company size
201-500
Company stage
Grant
Total funding
$2.5M
Headquarters
Fredericksburg, Virginia
Founded
2000

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