Full Stack Software Engineer (TS/SCI w/ Poly)

Information Systems Security Officer - Journeyman Location: Customer Site – Columbia, MD (CANX1) Job Type: Full Time Clearance Required: Active TS/SCI with CI Polygraph About SIXGEN SIXGEN delivers agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape. Position Overview SIXGEN is seeking an Information Systems Security Officer (ISSO) - Journeyman to support the USCYBERCOM J6 C4 & Cyber Directorate. The selected candidate will help implement and maintain enterprise cybersecurity programs, ensure compliance with DoD security requirements, and protect critical information systems through effective risk management and security engineering practices. Responsibilities Plan, implement, upgrade, and monitor security measures to protect computer networks and information systems. Ensure appropriate security controls are implemented to safeguard digital assets and critical infrastructure. Respond to cybersecurity incidents, security breaches, and malware events. Apply cybersecurity policies, principles, and best practices across IT and cybersecurity services. Develop and design security solutions that maintain the confidentiality, integrity, and availability of enterprise information. Identify, plan, and document improvements to existing security controls. Develop recommendations and courses of action (COAs) to address complex cybersecurity challenges. Interpret cybersecurity requirements and assist with cybersecurity and IT budget planning. Plan and coordinate the installation of new or modified security hardware, operating systems, and software. Support Cybersecurity Vulnerability Management by assessing, tracking, and implementing required system and network remediation efforts. Guide

Principal Targeting Analyst Target development for cyber operations, red-team engagements, and applied R&D Position Overview: Position: Principal Targeting Analyst Job Type: Full-time Location: Ft. Meade, MD (Hybrid) Clearance Requirements: US Citizen &TS/SCI Experience: 8+ years What You'll Do SIXGEN is seeking a Principal Targeting Analyst to build and lead an organic targeting and collection capability that strengthens our offensive cyber, red-team, and adversary-emulation missions. This is a hands-on technical leadership role for an analyst-engineer hybrid who enjoys solving hard collection problems, developing targets from a cold start, and turning operational experience into automated, mission-ready capability. As a Principal Targeting Analyst, you'll pair deep OSINT and managed-attribution tradecraft with professional foreign-language proficiency, applied AI engineering, and real software-development ability. You'll partner with operators, engineers, and program teams to deliver timely targeting and access intelligence, mature SIXGEN's collection methodologies and tooling, and mentor analysts as the capability grows. Whether you're developing a target for a critical customer mission, automating collection at scale, or shaping the technical direction of a new capability, your operational credibility and technical judgment will help drive mission success across the organization. Key Responsibilities Target Development and Key Operations Conduct end-to-end target development against threat actors, and adversary infrastructure — from initial requirement through finished, decision-ready intelligence. Direct collection across the surface, deep, and dark web, closed forums, encrypted messaging platforms, and regional ecosystems beyond the coverage of commercial data sources. Perform authorized threat-actor engagement and elicitation; track initial-access brokers, exploit sellers, and access markets relevant to mission objectives. Conduct