SIXGEN’s mission is to deliver 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.

Requirements

: Active TS clearance required Experience: 8+ years

and build effective mission-focused solutions. Leverage emerging technologies, methodologies, and tradecraft to improve operational effectiveness. Customer Engagement Collaboration Interface directly with customers to present findings, provide feedback, and communicate technical recommendations.

Collaborate with teammates to solve challenging technical problems and develop innovative approaches. Contribute across multiple projects and technical disciplines while expanding expertise into adjacent mission areas. Support a culture of continuous learning, technical excellence, and mission success.

WHAT YOU'LL DO

We are seeking a skilled and motivated Senior Red Team Operator to join our cyber operations team supporting mission-critical federal customers. In this role, you will work directly with customers and technical teams to execute hands-on cybersecurity engagements ranging from red team operations and penetration testing to capability development and technical analysis. The ideal candidate will possess deep expertise in offensive security, network operations, and digital forensics, with the ability to independently solve complex technical challenges while contributing to the development of innovative solutions that support customer missions.

KEY RESPONSIBILITIES

Cyber Operations Red Teaming Conduct full-spectrum cyber operations and red team engagements across a variety of customer environments. Apply penetration testing, network analysis, and adversary emulation techniques to identify vulnerabilities and assess security posture. Utilize digital forensics and investigative methodologies to support mission objectives and technical assessments.

Analyze networks, systems, applications, and documentation to identify security weaknesses and operational opportunities. Technical Innovation Capability Development Contribute to the development and enhancement of tools and capabilities that support cybersecurity operations. Research, evaluate, and implement technical solutions to address complex customer challenges.

QUALIFICATIONS

8+ years of experience in cybersecurity, red teaming, cyber operations, penetration testing, or related technical disciplines. Strong knowledge of network architecture and protocols. Experience with common penetration testing tools such as Nmap and related assessment platforms.

Experience with networking operations techniques, including tunneling technologies and traffic redirection. Proficiency with scripting languages such as Bash, PowerShell, Batch, or similar technologies. Experience with containerization technologies such as Docker, Podman, LXC, or similar platforms.

Advanced Linux experience, including system internals, setuid, LD_PRELOAD, initramfs, PAM modules, and related concepts. Experience with Windows enterprise environments, including Active Directory and Group Policy. Knowledge of digital forensics concepts, artifacts, TTPs, and threat actor methodologies.

High-level understanding of cryptographic algorithms and secure communications. Strong analytical, problem-solving, and communication skills.

PREFERRED QUALIFICATIONS

Experience conducting full-spectrum cyber operations or red team engagements. Experience developing custom tools, scripts, or automation capabilities. Experience analyzing source code, technical documentation, and complex network environments.