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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Security Software Engineer - Red Team Penetration Tester - **Company:** RPI Group Inc - **Location:** Dahlgren, VA, United States - **Experience:** Expert - **Salary:** $110,000.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** ASP.NET, C (Programming Language), HTML, Java (Programming Language), PHP (Programming Language), Microsoft Windows, Active Directory, Amazon Web Services, Amazon Elastic Compute Cloud, Amazon S3, Apple IOS, Application Integration Architecture, Software System Penetration Testing, Authentication Protocols, Microsoft Azure, C Sharp (Programming Language), Unix, C++ (Programming Language), IBM Rational ClearCase, Cloud Computing, Common Object Request Broker Architecture, Software Debugging, Linux, Web Development, Multi-Factor Authentication, Perl (Programming Language), Emulators, Federated Identity Management, Graphical User Interface, HP-UX, Java GUIs, Python (Programming Language), Kali Linux, Lightweight Directory Access Protocols (LDAP), Microsoft Software, NetApp Applications, Network Protocols, Cisco Nexus Switches, Nmap, NoSQL, OAuth, Data ONTAP (Server Appliance), Windows PowerShell, Real-Time Operating Systems, Azure Active Directory, Red Team (Cyber Security), Reverse Engineering, Security Assertion Markup Language (SAML), Security Software, Simple Object Access Protocol (SOAP), Single Sign-On, Software Configuration Management, Software Engineering, Solaris (Operating System), SQL Databases, Systems Integration, Tcl (Programming Language), Virtual Hosting, VxWorks, Web 2.0, Web Applications, Web Services, Computer Networking Systems, Microsoft Power Automate, Malware, GWAPT, Information Technology, Metasploit, Palo Alto Networks, Vcenter, Graphql, Firepower, Comptia Linux+, Restful APIs, Cyber Warfare, SnapMirror, Serverless Computing, Cisco, Golang, Vmware, Microservices - **Published:** October 16, 2026 - **Apply:** https://www.thejobnetwork.com/job/6eadc5b8-36ca-4858-8e99-89e586c495c0/security-software-engineer-red-team-penetration-tester ## About the Role * Five (5) Years experience in: + Linux - firm grasp/demonstrated knowledge + Associated Training: COMPTIA Linux+ or FedVTE Linux+ * Five (5) Years experience in: * Windows - foundational knowledge with good understanding of enterprise networks * Associated Training: Microsoft course (MCSA; Various) * Strong working knowledge of common Penetration Testing (PENTEST) tools: + Kali, Metasploit, NMAP, Cobalt Strike + Associated Training: Certified Ethical Hacker or Offensive Security Certified Professional and; * Documented experience in at least one of the following: * Penetration Testing (PENTEST) (government or contractor) * Red Team Operations (government or contractor) * Tool/Software Development (exploits/malware, C2, reverse engineering, bug bounties) * Python, C, C Sharp, C++, Go, Perl, Powershell * Web Dev/Web App Dev/Web Penetration testing * + o NSX, vCenter, vRealize Suite, Horizon View (VDI) and others o PAN-OS o FirePower, Nexus, IOS, ASA o ONTAP, SnapMirror o Active-Directory o Entra ID (Azure AD), Active Directory, SSO, MFA, Azure application integration, Identity Federation. o Automation using Powershell, PowerAutomate, Logic Apps, Graph API. o Microsoft Entra ID and Microsoft 365 in a hybrid environment. o Experience with Palo Alto, Cisco, VMWare, NetApp and Microsoft products. o Extending or integrating on premises AD with Entra ID. o Managing identity and access in Microsoft Entra ID. o Experience conducting Red Team operations in an MDE environment. o Experience with AWS, Cloud Audit, Serverless and Microservice Architecture o Experience working with AWS services (such as EC2, S3, KMS, RDS) and security best practices relevant to those services o Experience with Web Services penetration testing (RESTful and SOAP) Web Authentication protocols (e.g. OAuth2, SAML, LDAP) * PHP, ASP, SQL db's, Java, HTML, No SQL * Minimum certification as IAT Level II per DoD 8570.01, or successor. * Must possess an active Offensive Security Certified Professional (OSCP) certification at a minimum. OSCP is a required qualification for this position. * Additional penetration testing, offensive security, or red team certifications and experience may include: + Offensive Security certifications: Offensive Security Certified Expert (OSCE), Offensive Security Exploitation Expert (OSEE), Offensive Security Wireless Professional (OSWP) + SANS certifications/courses: SEC560 - Network Penetration Testing and Ethical Hacking (GPEN), SEC542 - Web App Penetration Testing and Ethical Hacking (GWAPT), SEC660 - Advanced Penetration Testing, Exploit Writing, and Ethical Hacking (GXPN), SEC642 - Advanced Web App Penetration Testing and Ethical Hacking, SEC564 - Red Team Operations and Threat Emulation + OSD-sponsored Cyber Operations Academy Course (COAC) graduate + Capture the Flag (CTF) participation, including DEF CON, OverTheWire (OTW), Hack The Box, or USS Secure CTFs + Security research resulting in a Common Vulnerabilities and Exposures (CVE) publication * Possess the ability to: * Debug and reverse engineer software. * Analyze Windows Events and Linux syslog's, boot logs and dmesg logs. * Program and debug Web 2.0, Java, Perl, Ada, C++, Tool Command Language (tcl/tk) scripts and graphical user interfaces (GUis) using Microsoft Visual tel and Rational ClearCase for software configuration management. * Program and debug Web 2.0, Java, Perl, Ada, C++, Tool Command Language (tcl/tk) scripts and graphical user interfaces (GUis) using Microsoft Visual tel and Rational ClearCase for software configuration management. * Recommend software modifications to systems to mitigate known vulnerabilities. Operate and administrate 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 Lynx OS operating systems, Common Object Resource Broker Architecture (CORBA), firewalls and networking protocols. * Understand how to implement NSA approved encryption technologies and devices. Apply DISA Security Technical Implementation Guides (STIGs). * Apply virtual hosting and server ## Description Location: Dahlgren, VAAbout the RoleRPI Group is seeking a skilled, driven Security Software Engineer to support Red Team penetration testing for a mission-focused Navy customer. If you are energized by complex technical challenges, enjoy finding and analyzing security weaknesses, and want your work to inform real-world defensive decisions, this role is for you.What We're Looking For