S

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

  • At least five years of experience in software engineering applied to program development, or modeling and simulation applied to DoD or information technology systems.
  • Demonstrated knowledge of Linux and foundational knowledge of Windows and enterprise networks.
  • Strong working knowledge of penetration-testing tools, including Kali, Metasploit, Nmap, and Cobalt Strike.
  • Documented experience in at least one of penetration testing, red-team operations, tool or software development involving exploits, malware, command-and-control, reverse engineering or bug bounties, or web development, web application development or web penetration testing.
  • Experience with 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 automation, Power Automate, Logic Apps, Graph API, Palo Alto, Cisco, VMware, NetApp, Microsoft products, Microsoft Entra ID, Microsoft 365 in a hybrid environment, on-premises Active Directory integration with Entra ID, identity and access management in Entra ID, Red Team operations in a Microsoft Defender for Endpoint environment, AWS, Cloud Audit, serverless and microservice architecture, AWS EC2, S3, KMS, RDS and their security best practices, RESTful and SOAP web services penetration testing, OAuth2, SAML, LDAP, PHP, ASP, SQL databases, Java, HTML, and NoSQL.
  • At least one listed certification: Security+, CCNA Security, CySA+, GICSP, or SSCP.
  • A penetration-testing certification, with at least one listed credential or qualifying experience: OSCP, OSCE, OSEE, OSWP, GPEN, GWAPT, GXPN, SEC642, SEC564, graduation from the OSD-sponsored Cyber Operation Academy Course, Capture the Flag participation (including DEFCON, Over-The-Wire, Hack the Box, or USS Secure CTFs), or security research resulting in a CVE.
  • An active Secret clearance is required; U.S. citizenship is required to obtain clearance.
  • High school diploma or GED equivalent.

Responsibilities

  • Debug and reverse engineer software.
  • Analyze Windows events and Linux syslog, boot, and dmesg logs.
  • Program and debug Web 2.0, Java, Perl, Ada, C++, and Tcl/Tk scripts and graphical user interfaces, using Microsoft Visual Tel and Rational ClearCase for software configuration management.
  • Recommend software modifications to mitigate known system vulnerabilities, and 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 using real-time VxWorks and LynxOS, CORBA, firewalls, and networking protocols.
  • Understand implementation of NSA-approved encryption technologies and devices, and apply DISA Security Technical Implementation Guides.
  • 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

Recently Posted Jobs

Explore more opportunities at SimVentions

See more jobs