Security Software Engineer – Red Team Penetration Tester with Security Clearance

RPI Group, Inc.; Dahlgren (VA); On-site; USD 110,000 - 150,000; Full time

Job summary

RPI Group, Inc. is seeking a Security Software Engineer to support Red Team penetration testing for a mission-focused Navy customer in Dahlgren, VA. The role requires strong Linux/Windows expertise, experience with pentest tools, and development skills across multiple languages.

The candidate will analyze security weaknesses, contribute to defensive decisions, and work in a challenging environment that involves evolving threats and complex systems within DoD-styled policies.

Qualifications

• Five years experience in Linux and Windows enterprise environments.
• Proficient with common pentest tools and frameworks.

Responsibilities

• Support Red Team penetration testing for Navy customer.
• Identify and analyze security weaknesses to inform defensive decisions.
• Operate and maintain testing tools and environments.

Skills

Linux

Windows

Python

C++

Go

Powershell

NMAP

Kali

Metasploit

Cobalt Strike

Web Pen Testing

Entra ID

Azure AD

AWS

Education

OSCP

OSCE

OSWP

SEC560

GWAPT

GXPN

Tools

Palo Alto

Cisco

VMware

NetApp

Job description

Position Title: Security Software Engineer – Red Team Penetration Testers

Salary Range: $110,000 to $150,000 Annually

Location: Dahlgren, VA

About the Role RPI 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 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
• NSX, vCenter, vRealize Suite, Horizon View (VDI) and others
• PAN-OS
• FirePower, Nexus, IOS, ASA
• ONTAP, SnapMirror
• Active-Directory
• Entra ID (Azure AD), Active Directory, SSO, MFA, Azure application integration, Identity Federation.
• Automation using Powershell, PowerAutomate, Logic Apps, Graph API.
• Microsoft Entra ID and Microsoft 365 in a hybrid environment.
• Experience with Palo Alto, Cisco, VMWare, NetApp and Microsoft products.
• Extending or integrating on premises AD with Entra ID.
• Managing identity and access in Microsoft Entra ID.
• Experience conducting Red Team operations in an MDE environment.
• Experience with AWS, Cloud Audit, Serverless and Microservice Architecture
• Experience working with AWS services (such as EC2, S3, KMS, RDS) and security best practices relevant to those services
• 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. Minimum certification as penetration tester and possess one of the following certificates:
• Offensive Security Certs: Offensive Security Certified Professional (OSCP), Offensive Security Certified Expert (OSCE), Offensive Security Exploitation Expert (OSEE), Offensive Security Wireless Professional (OSWP)
• SANS Certs: SEC560 - Network Penetration testing and Ethical Hacking (GPEN Certification), SEC542 - Web App Penetration Testing and Ethical Hacking (GWAPT Certification), SEC660 - Advance Penetration Testing. Exploit Writing, and Ethical Hacking (GXPN Certification), SEC642 -Advanced Web App Penetration Testing and Ethical Hacking, SEC564 -
• Red Team Operations and Threat Emulation
• OSD Sponsored Cyber Operation Academy Course (COAC) graduates.
• Capture the Flag (CTF) participation (DEFCON, Over-The-Wire (OTW), Hack the Box, USS Secure CTF's)
• Security research resulting in a Common Vulnerabilities and Exposures (CVE) 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 technology in system architectures. Understand and apply the concept of deceptive technology such as honey pots in system architectures.
• Participate in Code Reviews. Perform Static Source Code Analysis. Author recommendations for improving software and code design.
• Contribute to a System Security Administrator and Operators Manual (SSAOM) Must be a U.S. Citizen and Possess an Active Security Clearance RPI Group, Inc. is an Equal Opportunity Employer, including individuals with disabilities and protected veterans.