Job Opportunities API

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: Junior, Mid, and Senior Red Team Operator Junior 2+ years Mid 3-5+ years Senior 8+ years Job Type:  Full-time Location: Huntsville, AL - Customer Site & REMOTE Travel:  15%-20% 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:Junior, Mid, Senior 2-8+ 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 defe