Senior Red Team Penetration Tester – DoD & Gov Ops

SimVentions; Issue (MD); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Medical, dental, vision

ESOP

Competitive 401(k)

Job summary

SimVentions is seeking an experienced Red Team Penetration Tester to conduct penetration testing and offensive cybersecurity operations for U.S. Government and DoD systems.

You’ll collaborate with Blue Team and Cybersecurity professionals to enhance overall cyber posture, with a minimum Active Secret clearance and Top Secret with SCI Eligibility preferred. Role requires Linux/Windows expertise, mastery of PENTEST tools (Kali, Metasploit, NMAP, Cobalt Strike), and hands-on work across AWS, AD,

Qualifications

• Five (5) years' experience in software engineering applied to program development; modeling and simulation applied to DoD or Information Technology systems.
• Linux (firm grasp with demonstrated knowledge)
• Windows (foundational knowledge with good understanding of enterprise networks)
• Strong working knowledge of common Penetration Testing (PENTEST) tools: Kali, Metasploit, NMAP, Cobalt Strike
• Documented experience in at least one of the following: Penetration Testing (PENTEST); Red Team Operations; 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
• Active Directory, SSO, MFA, Azure application integration, Identity Federation
• Automation using Powershell, PowerAutomate, Logic Apps, Graph API
• Experience with Palo Alto, Cisco, VMWare, NetApp and Microsoft products
• Entra ID (Azure AD), to include Microsoft Entra ID and Microsoft 365 in a hybrid environment; 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 one of the following: Security+, CCNA Security, CySA+, GICSP, SSCP
• Minimum certification as penetration tester and possess one of the following certificates: Offensive Security Certs: OSCP, OSCE, OSEE, OSWP; SANS Certs: SEC560, SEC542, SEC660, SEC642, SEC564; OSD COAC graduates; CTF participation; CVE security research

Responsibilities

• 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 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, CORBA, firewalls and networking protocols.
• Understand how to implement NSA approved encryption technologies and devices. Apply DISA STIGs.
• Apply virtual hosting and server technology in system architectures. Understand deceptive tech such as honey pots.
• Participate in Code Reviews. Perform Static Source Code Analysis. Author recommendations for improving software and code design.
• Contribute to a SSAOM.

Skills

Linux

Windows

PENTEST tools

Programming languages

Education

High School Diploma or GED equivalent

Tools

Kali

Metasploit

NMAP

Cobalt Strike

Job description

SimVentions is seeking an experienced Red Team Penetration Tester to conduct penetration testing and offensive cybersecurity operations for U.S. Government and DoD systems.

You’ll collaborate with Blue Team and Cybersecurity professionals to enhance overall cyber posture, with a minimum Active Secret clearance and Top Secret with SCI Eligibility preferred. Role requires Linux/Windows expertise, mastery of PENTEST tools (Kali, Metasploit, NMAP, Cobalt Strike), and hands-on work across AWS, AD,