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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.

Position: Red Team Operator (Windows)
Job Type: Full-time
Location: Reston, VA (Hybrid)
Clearance Requirements: Active TS/SCI required
Experience: 8+ years

We are seeking a skilled and motivated Red Team Operator (Windows) to support advanced offensive cyber operations and adversary emulation activities for federal customers. The ideal candidate will possess deep expertise in Windows environments, Active Directory exploitation, offensive tradecraft, and network analysis, with the ability to identify vulnerabilities, emulate sophisticated threat actors, and support mission-critical operations.

This role requires a highly technical professional who can work independently, lead small teams, and solve complex cybersecurity challenges in support of national security missions.

• Conduct cyber operations and adversary emulation activities within Windows-centric enterprise environments.
• Identify, exploit, and assess vulnerabilities across Active Directory, Windows infrastructure, and enterprise networks.
• Utilize modern red team techniques, including Living-off-the-Land methodologies and adversary simulation tactics.
• Perform digital forensics, network analysis, and technical investigations in support of mission objectives.

• Analyze Windows domains, authentication systems, and enterprise architectures.
• Evaluate network traffic, protocols, encryption implementations, and attack paths.
• Leverage Linux and Windows operating systems to support offensive security operations.
• Research and apply techniques for AV/EDR detection evasion and operational effectiveness.

• Operate independently while supporting customer and mission objectives.
• Lead small teams and contribute to technical planning and execution.
• Communicate findings, recommendations, and operational insights to stakeholders.
• Thrive in a remote-first and collaborative environment.

• 8+ years of experience in offensive cybersecurity, red teaming, penetration testing, or related disciplines.
• Strong knowledge of Windows Domains, including Active Directory, SMB, Group Policy, and enterprise authentication mechanisms.
• Experience with Windows exploitation techniques such as Kerberoasting, DCSync/DC Replication, PSExec, and WinRM.
• Knowledge of Living-off-the-Land techniques and offensive tradecraft.
• Understanding of AV/EDR technologies and evasion methodologies.
• Expert knowledge of TCP/IP networking and network protocol analysis.
• Experience with tunneling technologies such as SSH and socat.
• Strong experience with digital forensics and network analysis.
• Familiarity with Linux and Windows filesystems and operating environments.
• Understanding of common encryption concepts and secure communications.

• Certification from RIOT/FORGE or COTC/NETC.
• Experience leading small technical teams.
• Experience supporting federal, intelligence, or national security missions.
• Experience analyzing networks, documentation, and source code.
• Ability to make informed decisions in complex operational environments.

• Curiosity and passion for offensive security and problem solving.
• Ability to work independently and drive mission success.
• Strong analytical and critical-thinking skills.
• High attention to detail and operational discipline.
• Excellent communication and collaboration skills.

• Active Directory
• Windows Enterprise Environments
• Group Policy
• SMB, DNS, SSH
• Kerberoasting
• DCSync / Domain Replication
• PSExec and WinRM
• AV/EDR Platforms
• TCP/IP Networking
• Digital Forensics
• Linux and Windows Systems
• Encryption Technologies

At SIXGEN, we are committed to fair and equitable compensation practices. Compensation for this role will be based on experience, qualifications, technical expertise, and overall alignment with the position.

Additionally, SIXGEN offers top-tier benefits for full-time employees, including:

• Employer-paid health insurance premiums (medical, dental, vision) for you and your family 
• Employer-paid short/long term disability insurance and basic life/AD&D insurance
• 401K with a 4% employer contribution
• Professional development reimbursement options available (training, certification, education, etc)
• Flexible and remote work policies for most positions
• Flexible PTO and holiday schedule

For more information, please reach out to our Director of Human Resources, Amy Maxwell at amy.maxwell@sixgen.io.

SIXGEN is an Equal Opportunity Employer. We ensure that all applicants are considered for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, age, marital status, ancestry, projected veteran status, or any other protected group or class.

We are committed to fostering an inclusive culture that values diversity in our people, reflecting the communities we serve and our customer base. We strive to attract and retain a diverse talent pool and create an environment where everyone is empowered to be their authentic selves at work.