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: On-NET Operator Job Type: Full-time Location: Sterling or Reston, VA (Hybrid) Clearance Requirements: Active TS/SCI required Experience: 7+ years WHAT YOU'LL DO We are seeking a skilled and motivated On-Net Operators to support advanced offensive cyber operations and mission-focused assessments for federal customers. The ideal candidate will possess deep technical expertise in networking, operating systems, digital forensics, and adversary tradecraft, with the ability to analyze complex environments, identify vulnerabilities, and emulate sophisticated threat actors. This role requires a highly analytical and self-motivated professional who can operate independently, lead small teams, and solve complex technical challenges in support of critical national security missions. KEY RESPONSIBILITIES Operations Conduct cyber operations and adversary emulation activities against complex environments. Analyze networks, systems, applications, and code to identify vulnerabilities and attack paths. Perform network traffic analysis, digital forensics, and technical investigations. Develop and execute creative solutions to achieve operational objectives. Technical Analysis & Development Utilize advanced networking, tunneling, and system-level expertise to support mission requirements. Analyze and manipulate Linux and Windows operating systems, filesystems, and network services. Develop and modify tools, scripts, and automation using languages such as Python, Bash, and C. Assess network protocols, encryption techniques, and enterprise environments. Collaboration & Leadership Operate independently while supporting team objectives and customer missions. Lead small teams and contribute to technical planning and execution. Communicate technical findings and recommendations to stakeholders. Support a remote-first and highly collaborative operating environment. QUALIFICATIONS 7+ years of experience in offensive cybersecurity, red teaming, network analysis, digital forensics, or related disciplines. Expert knowledge of TCP/IP networking and network protocol analysis. Experience with tunneling technologies such as SSH and socat. Proficiency in C, Python, Bash, or similar programming languages. Strong experience with packet analysis and PCAP review. Deep understanding of encryption concepts and secure communications. Advanced Linux administration and operating system knowledge. Experience with Windows domains, Active Directory, Group Policy, and enterprise environments. Strong analytical and problem-solving skills. Certification from RIOT/FORGE or COTC/NETC -Required PREFERRED QUALIFICATIONS Experience leading small technical teams. Background supporting federal, intelligence, or national security missions. Experience analyzing source code, system architectures, and complex network environments. Ability to make informed decisions in dynamic operational environments. DESIRED TRAITS Curiosity and passion for solving difficult technical challenges. Ability to work independently with minimal supervision. Strong attention to detail and investigative mindset. Adaptability in fast-paced mission environments. Excellent communication and collaboration skills. EXAMPLE TECHNOLOGIES & ENVIRONMENTS Linux and Windows Operating Systems Active Directory TCP/IP Networking DNS, SMB, NFS, SSH Packet Capture (PCAP) Analysis Digital Forensics Python, Bash, and C Encryption Technologies Enterprise Networks Remote an