Technical Cyber Threat Investigator Jobs

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: Software Engineer Job Type: Full-time Location: Ft. Meade, MD Clearance Requirements: Active TS/SCI with Polygraph required Work Schedule: 5 days per week onsite Travel Requirements: None Experience: 14+ years WHAT YOU'LL DO We are seeking a Software Engineer to support the implementation, troubleshooting, maintenance, and ongoing support of agile software development efforts focused on modernizing systems. This role requires applying advanced software engineering principles, theories, and concepts while contributing to the development of new approaches and solutions. The ideal candidate will tackle highly complex technical challenges, operate with significant autonomy, and provide technical leadership and mentorship to team members when needed. KEY RESPONSIBILITIES Software Development Design, develop, modify, and implement software applications using agile development methodologies. Write source code for new applications and enhance existing software solutions. Utilize both front-end and back-end technologies to develop complete software solutions. Support the modernization, maintenance, and enhancement of existing systems. Engineering & Technical Problem Solving Apply advanced software engineering principles to solve complex technical challenges. Develop innovative approaches and solutions to meet mission requirements. Contribute to software architecture, integration efforts, and application development activities. Collaborate across cross-functional teams to deliver effective solutions. Team Collaboration & Leadership Work closely with technical teams in a

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: Systems Engineer Job Type: Full-time Location: Columbia, MD Clearance Requirements: Active TS/SCI with Polygraph required (U.S. Citizen Only) Work Schedule: 5 days per week onsite Experience: 10+ WHAT YOU'LL DO We are seeking a Systems Engineer with a diverse set of technical skills and the ability to adapt to unique mission requirements. The selected candidate will support projects focused on developing and implementing next-generation IT tools, systems, and capabilities while providing technical leadership throughout the engineering lifecycle. This role requires end-to-end responsibility for applied research and cyber capability development efforts, ensuring successful execution from concept through implementation. KEY RESPONSIBILITIES Systems Engineering Evaluate, develop, and deliver technical input to the systems engineering process. Develop technical documentation, system architecture, and system design documentation. Guide system development and implementation planning through system engineering management plans and system integration and test plans. Provide engineering guidance throughout the project lifecycle. Technical Leadership & Coordination Coordinate with administrators, engineers, developers, testers, government stakeholders, and mission partners. Interact with government representatives regarding technical considerations, issues, and conflicts. Establish effective working relationships with government agencies and mission partners. Deliver briefings on complex topics to technical and executive audiences. Research & Capability Development Suppor

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:Red Team Operator & Infrastructure SME Job Type: Full time Location: Remote , 1x a week onsite in DC Clearance Requirement: None WHAT YOU’LL DO SIXGEN supports cyber and intelligence missions by serving government and commercial organizations as they overcome global cybersecurity challenges. You’ll work with our highly skilled operators conducting research and assessments based on real-world threats. You’ll simulate adversaries and malicious actors and report details and actionable findings on critical assets and infrastructures. Using innovative processes, tools, and techniques, you’ll predict and overcome cybersecurity vulnerabilities. Your successes will be supported by our diverse team of experienced, technical talent. Responsibilities include: Simulate real-world cyberattacks to assess and challenge the effectiveness of security controls and incident response capabilities. Conduct reconnaissance, exploitation, and post-exploitation activities using adversary tactics, techniques, and procedures (TTPs). Develop and use custom tools and methods to evade detection and maintain stealth during engagements. Collaborate with blue and purple teams to improve detection, response, and overall security posture. Document findings and deliver clear, actionable reports to technical and executive stakeholders. Develop, automate and deploy red team infrastructure Secure infrastructure from unauthorized access as well as against various TTPs Technology proficiency includes: CRTO certification. CRTL, OSEP, OSCE, OSEE, GXPN, and/or GPEN are preferred, but not required. Extensive R

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 CNO Developer • Location: Annapolis Junction, MD • Clearance Requirement: TS/SCI with CI Poly (or ability to obtain prior to starting) WHAT YOU’LL DO SIXGEN is actively seeking candidates to provide embedded operational support, develop advanced cyber capabilities, and deliver mission-focused software solutions in support of critical customer operations. This role combines software engineering, rapid prototyping, vulnerability research, and close collaboration with mission partners to develop and integrate cutting-edge cyber capabilities. Responsibilities include: • Provide embedded operations support, capability integration, and rapid prototyping in support of customer missions. • Design, develop, test, and debug software components, modules, and applications to meet mission requirements and development schedules. • Adhere to software build and release schedules while documenting technical findings and presenting results to stakeholders. • Develop software prototype demonstrations and conduct independent research into software and device vulnerabilities. • Collaborate with headquarters teams and local customers to develop, integrate, and enhance advanced Cyber Network Operations (CNO) tools. • Identify operational risks, manage competing priorities, and support mission execution in fast-paced operational environments. Technology proficiency includes: • Bachelor's degree in a related discipline with 12+ years of experience, or Master's degree with 10+ years of experience • Proficiency with Windows and Linux operating systems • Strong

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 Data Scientist Job Type: Full-time Location: Onsite, Ft. Meade, MD Clearance Requirements: Active TS/SCI with Polygraph required Work Schedule: 5 days per week onsite Travel Requirements: None Experience: 4+ years WHAT YOU'LL DO SIXGEN supports missions by serving government and commercial organizations as they overcome global cybersecurity challenges. In this position, you’ll provide meaningful support to our customer’s missions and operations. You’ll work alongside a team of highly skilled operators who are dedicated to using innovative processes, tools, and techniques to get things done. KEY RESPONSIBILITIES Develop, and maintain robust and scalable data pipelines for enterprise AI applications including defining appropriate data model concepts Develop high-performance data parsers for extremely large and complex datasets Implement and manage various database systems, including graph, SQL, NoSQL, and vector databases Collaborate with AI/ML engineers and data scientists to understand data requirements and optimize data access and retrieval for AI models Ensure data quality, integrity, and security across all data storage solutions Support the deployment and maintenance of AI applications by providing expert data engineering capabilities Familiarity with AI concepts in the context of data storage, access, and retrieval Continuously optimize data infrastructure for performance, cost-efficiency, and scalability REQUIRED QUALIFICATIONS Bachelor's degree in a relevant technical fi

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: Hybrid (onsite 1/x week) -Washington D.C. Clearance Requirements: None Travel: Up to 10% ABOUT THE TEAM SIXGEN supports cyber and intelligence missions by serving government and commercial organizations as they overcome global cybersecurity challenges. You’ll work with our highly skilled operators conducting research and assessments based on real-world threats. You’ll simulate adversaries and malicious actors and report details and actionable findings on critical assets and infrastructures. Using innovative processes, tools, and techniques, you’ll predict and overcome cybersecurity vulnerabilities. Your successes will be supported by our diverse team of experienced, technical talent. WHAT YOU'LL DO Simulate real-world cyberattacks to assess and challenge the effectiveness of security controls and incident response capabilities. Conduct reconnaissance, exploitation, and post-exploitation activities using adversary tactics, techniques, and procedures (TTPs). Develop and use custom tools and methods to evade detection and maintain stealth during engagements. Collaborate with blue and purple teams to improve detection, response, and overall security posture. Document findings and deliver clear, actionable reports to technical and executive stakeholders. REQUIRED QUALIFICATIONS US Citizen with the ability to obtain a Public Trust clearance. CRTO certification. CRTL, OSEP, OSCE, OSEE, GXPN, and/or GPEN are preferred, but not required. Extensive Red Team Experience: Minimum 6 years of hands-on technical red te

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: Software Engineer Job Type: Full Time Location: Onsite, Ft-Meade, MD Clearance Requirements: TS/SCI w/ Poly Travel: None ABOUT THE TEAM SIXGEN supports missions by serving government and commercial organizations as they overcome global cybersecurity challenges. In this position, you’ll provide meaningful support to our customer’s missions and operations. You’ll work alongside a team of highly skilled operators who are dedicated to using innovative processes, tools, and techniques to get things done. WHAT YOU’LL DO Design, develop, test, and deploy software applications and systems in support of government and customer missions. Collaborate with systems engineers, analysts, and end users to understand technical requirements and translate them into software solutions. Write clean, efficient, and maintainable code using modern programming languages and development practices. Support integration, debugging, and testing activities in both lab and operational environments. Ensure software meets security, performance, and reliability standards, in compliance with government policies and frameworks. REQUIRED QUALIFICATIONS US Citizen with the ability to obtain a US Government Security clearance up to the Secret or TS level Proficiency in one or more programming languages such as Python, C++, Java, or C. Experience developing software in Linux-based environments. Familiarity with secure coding practices and software lifecycle principles. Strong problem-solving skills and the ability to work independently or as part of a collaborative team. Experience supporting DoD, IC, o

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: Red Team Operator Job Type: Full Time Location: On-site 1x/week in Washington DC Clearance Requirements: None, but Public Trust preferred Travel: None ABOUT THE TEAM SIXGEN supports cyber and intelligence missions by serving government and commercial organizations as they overcome global cybersecurity challenges. You’ll work with our highly skilled operators conducting research and assessments based on real-world threats. You’ll simulate adversaries and malicious actors and report details and actionable findings on critical assets and infrastructures. Using innovative processes, tools, and techniques, you’ll predict and overcome cybersecurity vulnerabilities. Your successes will be supported by our diverse team of experienced, technical talent. WHAT YOU'LL DO Simulate real-world cyberattacks to assess and challenge the effectiveness of security controls and incident response capabilities. Conduct reconnaissance, exploitation, and post-exploitation activities using adversary tactics, techniques, and procedures (TTPs). Develop and use custom tools and methods to evade detection and maintain stealth during engagements. Collaborate with blue and purple teams to improve detection, response, and overall security posture. Document findings and deliver clear, actionable reports to technical and executive stakeholders. REQUIRED QUALIFICATIONS US Citizen with the ability to obtain a Public Trust clearance. CRTO certification (or ability to earn within 3 months of hire). OSCP and/or GPEN certifications. Technical experience (4+ years each): Hands on red tea

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 Web Application Penetration Tester Job Type: Full-time Location: Remote Clearance Requirements: Must be able to obtain a Secret Clearance Travel Requirements: Up to 10% Experience: 5+ years Salary :$125-$165K WHAT YOU'LL DO We are seeking a skilled and motivated Senior Web Application Penetration Tester to join our growing cyber operations team. The ideal candidate will possess deep expertise in web application security testing, vulnerability research, and exploitation techniques, with the ability to identify complex attack paths and develop creative solutions to challenging security problems. This role goes far beyond automated scanning. Successful candidates will conduct in-depth assessments of web applications, APIs, mobile applications, and supporting infrastructure while leveraging custom tooling, manual testing techniques, and advanced exploitation methodologies to uncover impactful security findings. KEY RESPONSIBILITIES Web Application Security Assessments Conduct penetration testing of web applications, APIs, mobile applications, databases, and client-side technologies. Perform application enumeration, endpoint discovery, vulnerability research, and exploitation activities. Identify, validate, and assess vulnerabilities across complex environments. Analyze attack paths and security weaknesses to determine business and operational impact. Technical Analysis & Research Develop and utilize custom tools, scripts, and payloads to support testing activities. Perform network mapping, vulnerability analysis, and security assessments across applicatio

Enterprise Account Executives (EMEA) Software Supply Chain Security | Cloud Security | DevSecOps Join RapidFort and Help Secure the World's Software RapidFort is a leading Software Supply Chain Security platform that helps organizations continuously eliminate software vulnerabilities, reduce attack surfaces, harden containerized applications, and automate compliance. Our platform enables enterprises and public sector organizations to build, deploy, and operate secure software with near-zero vulnerabilities. As we expand across Europe, we are seeking multiple high-performing Enterprise Account Executives to accelerate our growth and help organizations address increasingly complex software supply chain security challenges driven by NIS2, DORA, and CRA evolving cyber threats. The Opportunity This is a true hunter role focused on generating net-new business, building pipeline, and closing enterprise opportunities. Successful candidates will have a proven track record of opening new accounts, engaging executive and technical stakeholders, and consistently exceeding sales targets. You will be responsible for driving growth within your assigned territory while collaborating closely with marketing, channel partners, solutions engineering, and customer success teams. Key Responsibilities Generate and qualify new business opportunities through outbound prospecting, networking, referrals, events, and partner engagement. Build and maintain a strong pipeline of enterprise opportunities within your assigned territory. Develop trusted relationships with CISOs, Security Leaders, Platform Engineering, DevOps, Software Development, and IT leadership teams. Lead the entire sales process from initial engagement through evaluation, negotiation, and close. Consistently achieve and exceed pipeline generation and revenue targets. Maintain accurate forecasting and opportunity management within CRM systems. Collaborate with marketing, channel, and technical teams to execute regional growth s

Vehicle Management Systems Architect (Lead or Principal) Company: The Boeing Company Boeing Defense, Space & Security (BDS) Flight Systems Engineering Capability is currently seeking a Lead-Architect Vehicle Management Systems Hardware Engineer to join the Air Dominance Vehicle Management System (VMS), team located in Berkeley, MO. You will work across engineering disciplines to help us design elements of the VMS hardware. You will collaborate with our requirement, hardware, software, and labs teams to implement and test your designs. Mechanical, Electrical, Aerodynamics, and other engineers are all welcome – to succeed in this role, you will need to leverage your area of expertise and quickly learn on the job about other areas to develop capabilities for our Vehicle Management System Computer. You will get to see tangible results of your efforts as you contribute to exciting aircraft development programs in St. Louis. System Architecture Design: Expertise in designing complex, scalable, and modular vehicle management system architectures Aerospace Systems Knowledge: Understanding of aerospace vehicle subsystems, avionics, and integration requirements Hardware Integration: Strong experience with embedded systems, real-time operating systems, and communication protocols Cybersecurity: Knowledge of securing vehicle systems against cyber threats and complying with industry security standards Problem Solving and Troubleshooting: Ability to diagnose and resolve complex technical issues in system integration and performance Collaboration and Communication: Excellent skills to work with multidisciplinary teams and effectively convey technical concepts. Project Le

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the results that matter. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. What Is The Role As a Public Sector Account Executive focused on Defence, the Ministry of Home Affairs (MHA), and Space Agencies , you will play a strategic role in expanding Elastic’s presence across India’s most mission-critical government institutions. You will build trusted relationships with senior stakeholders in government, defence, security, intelligence, and space. You will also gain a deep knowledge of their challenges related to operations, security, and data. In this role, you will lead the entire sales process. This means finding strategic opportunities and building relationships with executives. You will shape solutions and create account strategies. Additionally, you will drive complex deals that involve multiple stakeholders. You will showcase Elastic’s features in Search, Observability, Security, SIEM, AI, and intelligent data platforms. This will help government organisations gain real-time visibility. It will also strengthen their ability to withstand cyber threats, accelerated up mission results, and unlock value from their data. You need to have a solid knowledge of the Defence, Homeland Security, Law Enforcement, Intelligence, and Space sectors. You should be able to interact with CXOs, senior government officials, technical leaders, and strategic partners. What You Will Be Doing Build and manage strategic rela

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role The Software Engineer will play a critical role in developing our autonomous defense systems. You will be responsible for designing, building, and optimizing mission-critical applications, with a focus on real-time performance, reliability, and security. This role demands technical excellence, adaptability, and ownership, as you will work across the full software stack to develop and deploy high-performance systems in a fast-paced environment. Key Responsibilities Develop, test, and maintain software for autonomous defense platforms, ensuring high performance, reliability, and security. Design and implement efficient, well-tested code in C++, Rust, Python, or C to power real-time systems. Architect end-to-end software solutions, from low-level firmware to high-level mission software. Work closely with embedded engineers, GNC specialists, and systems engineers to ensure seamless hardware-software integration. Optimize software for real-time execution, ensuring low-latency operation on embedded platforms and edge computing systems. Implement secure coding practices, ensuring software is resilient to cyber threats and meets defense cybersecurity standards. Utilize&

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Locations Ottawa, Ontario, Canada About the Role Our Federal Government sales team works directly with Canadian departments and agencies to defend critical infrastructure, protect citizens' data, and safeguard essential digital services against evolving cyber threats. By solving complex technical and security challenges for government, we help secure Canada’s public sector while supporting Cloudflare's global mission to help build a better, sa

What We Do: Cybercrime is growing, and more businesses are getting hit by threats that used to target only the biggest organizations. That pushes defenders like us to operate at the highest level, and it deepens our need for good people who want to make a meaningful impact. Founded in 2015 by former NSA cyber operators, Huntress is a remote-first team working to make enterprise-grade cybersecurity accessible to businesses of all sizes. We work closely with security teams and service providers protecting complex environments, often without the time or headcount to handle it all. That’s why we build our technology in-house and back it with a 24/7 human-led Security Operations Center (SOC). As a result, our platform is never disconnected from the experts who manage it, ensuring our customers' protection. Huntress now secures more than 5M endpoints and 16M identities worldwide. Those numbers keep growing because more businesses rely on us to help carry the load and operate with more confidence. Every day, you can see that commitment in how we stand with our customers and how we show up for each other. Reports to: Senior Manager, Technical Recruiting Location: Remote US Compensation Range: $130,000 to $150,000 base plus bonus and equity What You'll Do: This role belongs to a senior technical recruiting partner who understands that the right hire can change a team's trajectory. Outcome-Obsessed by nature, this partner owns every search from intake through close and measures success by each hire's impact on the Huntress mission while building strong relationships with candidates and hiring managers along the way. Candor defines the work: direct feedback helps teams align and shows candidates exactly where they stand. When searches get difficult or priorities shift, Warrior Spirit keeps things moving, resilient, focused, and resourceful from the first conversation to the signed offer. Creativity drives how this role finds talent, sourcing strong candidates through inv