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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 OVERVIEW

• Position: Senior Red Team Operator
• Job Type: Full-time
• Location: Huntsville, AL (Hybrid - customer site and WFH)
• Clearance Requirements: Must be a U.S. citizen. TS/SCI required

WHAT YOU'LL DO

We are seeking a skilled and motivated Senior Red Team Operator to join our team. The ideal candidate will have experience conducting adversary emulation, penetration testing, and red team operations against enterprise, aerospace, and mission-critical environments. This role requires strong technical expertise, creative problem-solving, and the ability to simulate real-world threat actors to improve organizational security posture across cyber and RF-enabled systems.

The ideal candidate will also possess experience or familiarity with missile defense systems, satellite communications, RF spectrum operations, and electronic warfare concepts to support advanced threat emulation and mission-focused assessments.

KEY RESPONSIBILITIES

Operations

• Conduct red team engagements against enterprise networks, cloud environments, satellite communications systems, wireless infrastructure, and endpoint systems.
• Execute adversary emulation activities aligned to real-world threat actor tactics, techniques, and procedures (TTPs).
• Perform internal and external penetration testing across multiple operational environments.
• Simulate cyber and RF-enabled attack vectors against mission systems and communications architectures.
• Identify security weaknesses, exploit vulnerabilities, and demonstrate potential operational and business impacts.
• Conduct social engineering, phishing, and physical security assessments where authorized.

RF, Space, and Mission Systems Support

• Support assessments involving RF communications, satellite systems, and electronic warfare-related technologies.
• Evaluate mission system resiliency against cyber-electromagnetic activities.
• Assist in identifying vulnerabilities associated with space-based communications and sensor architectures.
• Contribute technical insight regarding missile defense architecture, operational capabilities, and system limitations.

Infrastructure & Tooling

• Develop, modify, and maintain offensive security tools, payloads, scripts, and automation.
• Operate command-and-control (C2) frameworks while maintaining operational security during engagements.
• Conduct privilege escalation, lateral movement, persistence, and evasion activities in controlled environments.
• Research emerging attack techniques and adversary methodologies.

Reporting & Collaboration

• Document findings, attack paths, indicators of compromise, and remediation recommendations.
• Produce detailed technical reports and executive-level summaries.

QUALIFICATIONS

• 8+ years of experience in penetration testing, red teaming, offensive security, or related cybersecurity roles.
• Strong understanding of:
  • Windows and Linux operating systems
  • Active Directory attacks and administration
  • Networking and protocols and enterprise architectures
  • Web application security concepts
  • Cloud environments such as AWS, Azure or Google Cloud
• Experience with offensive security tools such as:
  • Cobalt Strike
  • Sliver
  • Metasploit
  • Burp Suite
  • BloodHound
  • Impacket
  • Nmap
  • Mythic or similar C2 frameworks
• Proficiency in one or more scripting/programming languages:
  • Python
  • Powershell
  • Bash
  • Go
  • C#
• Previous experience in missile defense systems or a strong understanding of missile defense capabilities and limitations.
• Understanding of satellite elements, orbital nomenclature, satellite subsystems, and mission purposes.
• Experience working within the RF spectrum and understanding RF band classifications and operational considerations.
• Knowledge of electronic warfare theory, concepts, and practical application.
• Ability to communicate technical concepts clearly to both technical and non-technical audiences.
• Strong understanding of:

PREFERRED QUALIFICATIONS

• Relevant certifications such as OSCP, CRTO, OSEP, PNPT, CEH, CISSP
• Experience with:
  • EDR evasion techniques
  • Threat intelligence integration
  • SDR (Software Defined Radio) technologies
  • Satellite communications (SATCOM)
  • Space systems cybersecurity
  • Kubernetes and container security
  • CI/CD pipeline security testing
•  Desired Traits:
  • Strong analytical and critical thinking skills
  • Curiosity and passion for offensive security research
  • Ability to operate independently in complex mission environments
  • High attention to detail and operational discipline
  • Strong written documentation and briefing skills
  • Ability to adapt to rapidly evolving threat landscapes
• Example Technologies & Environments
  • Enterprise Active Directory environments
  • Hybrid cloud infrastructures
  • RF communications environments
  • Satellite communications systems
  • Mission systems and aerospace platforms
  • SIEM and EDR platforms
  • Software Defined Radios (SDRs)

COMPENSATION & BENEFITS

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.

OUR COMMITMENT

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.