Security Software Engineer Security Clearance

Position: Security Software Engineer with Security Clearance
Location: Dahlgren
Security Software Engineer
Clearance Requirement:
Top Secret clearances; must be SCI eligible

Location:

Dahlgren, VA
Position Type:
Full-Time Overview We are seeking a highly skilled Security Software Engineer with Red Team penetration testing expertise to support advanced cybersecurity operations within DoD environments. This role demands a deep understanding of software engineering, penetration testing tools, and secure system architecture across both Linux and Windows platforms. Candidates will contribute to offensive security operations, vulnerability assessments, and secure software development for mission-critical systems.

Minimum Qualifications

Experience:

5+ years in software engineering applied to program development, modeling, and simulation for DoD or IT systems
5+ years of hands-on experience with Linux and Windows environments
Training &

Certifications:

COMPTIA Linux+ or FedVTE Linux+
Microsoft MCSA or equivalent Windows training
IAT Level II certification per DoD 8570.01 (or successor)
Penetration Testing Certification (one or more of the following):
Offensive Security: OSCP, OSCE, OSEE, OSWP
SANS: GPEN, GWAPT, GXPN, SEC
642, SEC
564
OSD Cyber Operation Academy Course (COAC) graduate Security Clearance:
Top Secret clearance
SCI eligible Technical Skills & Tools Strong working knowledge of penetration testing tools:
Kali, Metasploit, NMAP, Cobalt Strike
Programming and scripting proficiency in:
Python, C, C++, C#, Go, Perl, Powershell
Web development and testing: PHP, ASP, Java, HTML, SQL/No

SQL, RESTful/SOAP APIs
Enterprise technologies:
NSX, vCenter, vRealize Suite, Horizon View
PAN-OS, Fire Power, Nexus, IOS, ASA
ONTAP, Snap Mirror, Active Directory, Entra  (Azure AD), SSO, MFA
Microsoft 365 hybrid environments
Automation:
Powershell, Power Automate, Logic Apps, Graph API
AWS services: EC2, S3, KMS, RDS; serverless and microservice architecture
Security protocols: OAuth2, SAML, LDAP

Experience with Palo Alto, Cisco, VMWare, Net App, and Microsoft products Core Responsibilities Conduct Red Team operations and penetration testing in MDE environments
Debug and reverse engineer software and analyze system logs (Windows Events, Linux syslog, boot logs, dmesg)
Identify and mitigate vulnerabilities in compiled and source code
Operate and administer systems running HP-UX, UNIX, Solaris, Linux, and Windows
Apply DISA STIGs and NSA encryption technologies
Design and implement deceptive technologies (e.g., honeypots)
Perform static source code analysis and participate in code reviews
Author recommendations for secure software design and contribute to SSAOM documentation
Integrate and manage identity and access across hybrid environments using Entra
Extend on-premises Active Directory with cloud identity solutions
Conduct security research leading to CVE publication
Participate in Capture the Flag (CTF) exercises (e.g., DEFCON, Hack the Box, OTW)