Principal Cybersecurity Researcher

Join Two Six Technologies as a Principal Cybersecurity Researcher, where you'll lead groundbreaking research efforts to enhance cybersecurity measures. Your expertise will drive innovation and protect vital systems from emerging threats.

Role overview The Senior Principal Cybersecurity Researcher at Two Six Technologies leads initiatives to advance cybersecurity technologies from Arlington, Virginia. The position focuses on creating new methods to protect critical systems and sensitive information. Research plays a central role in shaping how the company addresses emerging security challenges. What you will do Direct research projects that drive innovation in cybersecurity. Work closely with a team of technical experts to share knowledge and expertise. Design and improve solutions aimed at safeguarding essential systems and data. Influence cybersecurity strategies and guide product development through research-based insights.

Join KnowBe4, the global frontrunner in Human Risk Management, where we empower over 70,000 organizations worldwide to safeguard their employees and AI systems for more than 15 years. As pioneers in the security landscape since 2016, we blend cutting-edge AI technology with human-centric strategies to create a comprehensive security culture.Our innovative HRM+ platform integrates continuous risk intelligence, advanced technical defenses, and tailored training programs to mitigate human risk across diverse workforces, effectively shielding against threats like deepfakes and emerging AI risks.We believe in a holistic approach to cybersecurity that intertwines organizational protection with positive environmental impact. True resilience is collective, demanding the protection of our people, data, and the planet.

At Accenture Federal Services, we are dedicated to enhancing the strength and safety of the United States government while improving the quality of life for its citizens. Our team of over 13,000 professionals is driven by a common goal to unleash the vast potential of technology and creativity for our clients in various sectors, including defense, national security, public safety, civilian, and military health organizations. Become a part of Accenture Federal Services, a cutting-edge technology company within the global Accenture network. Proudly recognized as one of Glassdoor's Top 100 Best Places to Work, we foster a supportive and inclusive community where you can feel a sense of belonging and are encouraged to develop, learn, and excel through practical experience, certification opportunities, industry training, and more. Join us to create significant, enduring change that propels missions and government initiatives forward! Job Description:The Cybersecurity Vulnerability Researcher plays a crucial role in identifying vulnerabilities within networks, systems, and software, while implementing strategies to bolster the cybersecurity framework of our programs. This position involves the development of risk-based mitigation strategies for networks, operating systems, and applications, as well as the compilation and tracking of vulnerabilities and remediation outcomes to assess the effectiveness of the security posture.Additionally, the Vulnerability Researcher is responsible for creating and maintaining policies, procedures, and training materials related to vulnerability management, as well as supporting the definition and assessment of requirements for information security solutions. The role includes conducting network-based scans to identify potential attack vectors and host-based scans to detect vulnerabilities in workstations, servers, and other network devices.

Join the American Institutes for Research (AIR) as a Principal Researcher on our Healthcare Innovations team. In this pivotal role, you will collaborate with a diverse group of experts—including nurses, physicians, psychologists, economists, sociologists, data scientists, and public health specialists—to tackle the complex issues surrounding healthcare quality, costs, and access. Your contributions will help advance evidence-based solutions that save lives through rigorous research, evaluation, and cutting-edge data science and technology. As a senior technical expert in quality measure development and implementation, you will play a crucial role in large-scale federal programs, particularly with the Centers for Medicare & Medicaid Services (CMS) and the CMS Innovation Center (CMMI). This position will involve shaping quality strategies, refining measurement processes, conducting annual updates, and performing analytical work that supports performance-based payment and monitoring. This role requires a strong emphasis on quality measures expertise, methodological rigor, and the capability to lead substantial projects or tasks. You will also contribute to thought leadership, project execution, and business development within AIR’s expanding implementation and monitoring portfolio. Candidates selected for this position may work remotely from anywhere in the United States or from one of our U.S. office locations. Please note that this opportunity is not available in U.S. territories.

About UltraViolet Cyber UltraViolet Cyber delivers unified security operations for organizations facing complex cyber threats. Founded by experienced security professionals, the company blends advanced technology with hands-on expertise to provide real-time solutions that connect red and blue team operations. Clients include Fortune 500 companies, federal agencies, and commercial organizations. Headquartered in McLean, Virginia, UltraViolet Cyber also operates in the U.S. and India, aiming to make advanced cybersecurity widely available. Role Overview: Principal Security Engineer (Zscaler SME) This Arlington, VA-based position focuses on supporting large federal clients as a Zscaler Subject Matter Expert. The Principal Security Engineer works closely with network and security teams to deliver reliable, efficient, and high-performing Zscaler deployments. What You Will Do Oversee deployment and operational support for the Zscaler product suite, including ZPA, ZIA, ZDX, and ZCC. Update documentation as network designs change to keep records accurate and useful. Collaborate with stakeholders to test systems and validate performance. Ensure application migrations align with security and performance requirements. Location Arlington, VA

At Two Six Technologies, we are at the forefront of innovation, developing and implementing cutting-edge products that tackle the most intricate challenges facing the world today. Our relentless commitment to collaboration and trust empowers our team and enables our clients to foster a safer global environment.Overview of OpportunityBecome a part of the Trusted Electronics & Effects business unit at Two Six Technologies, a dynamic group of cybersecurity professionals in Arlington, Virginia. You will engage in advanced Vulnerability Research across a diverse array of unique embedded systems. Collaborating closely with exceptional CNO developers and hardware engineers, your role will involve identifying vulnerabilities and crafting proof of concepts on embedded systems. Our rapidly expanding client base in government sectors counts on us for top-tier security solutions, and we are looking for a Lead Vulnerability Researcher to help us continue to redefine the limits of security technology. If you are driven by the desire to create impactful tools that enhance national security, we want you on our team.

At Two Six Technologies, we are dedicated to developing, deploying, and implementing cutting-edge products that address some of the world's most intricate challenges. Through exceptional collaboration and steadfast trust, we strive to redefine the limits of innovation to empower our team and assist our clients in creating a safer global environment.We are currently on the lookout for a skilled Vulnerability Researcher and Reverse Engineer (VR/RE) to join our dynamic team. This technical role is pivotal in developing advanced capabilities based on in-depth program analysis, binary patching, and the identification of security vulnerabilities within systems.Your primary responsibilities will involve analyzing systems to understand their functionalities and devising innovative technologies to tackle complex cybersecurity challenges. You will thrive in a team of dedicated vulnerability researchers, exploit developers, reverse engineers, and testers. This role promises to be challenging, as the landscape of cybersecurity is ever-evolving; therefore, you should be ready to engage in a wide array of projects and continuously expand your expertise.

At Accenture Federal Services, we prioritize the mission of strengthening the U.S. federal government and enhancing the lives of its citizens. Our dedicated team of over 13,000 professionals is united in harnessing the limitless potential of technology and innovation to serve clients across various sectors, including defense, national security, public safety, civilian, and military health organizations. As part of Accenture Federal Services, a leading technology firm under the global Accenture umbrella, we have been recognized as one of Glassdoor's Top 100 Best Places to Work. We foster a collaborative and supportive environment where every individual feels valued and empowered to grow, learn, and excel through hands-on projects, certifications, and industry training. Join us on a journey to drive meaningful, enduring change that propels government missions forward! Job Description:The Cybersecurity Tools Administrator plays a vital role in proposing, developing, installing, managing, operating, maintaining, integrating, and configuring a comprehensive suite of cybersecurity tools that enhance network cybersecurity operations across various programs. These tools deliver layered protection across endpoints, peripherals, data, email, web, and networks, functioning effectively within environments such as CorpsNet, SIPRNet, cloud platforms, DMZ segments, network boundaries, and endpoint devices. This position supports defensive cyberspace operations and the complete incident response lifecycle by ensuring essential capabilities—including threat detection and prevention, traffic segmentation controls, data rights management, compliance to connect, SIEM, vulnerability scanning, and security operations infrastructure—are fully operational, finely tuned, and securely maintained.The Work:Propose, install, configure, integrate, and maintain cybersecurity tools across diverse environments (CorpsNet, SIPRNet, cloud, DMZ, boundary networks).Oversee the operation and continuous tuning of cybersecurity tools to support endpoint, network, email, data, and web protection.Monitor resource utilization and system performance, ensuring tools remain operational, efficient, and securely configured.Assist in the deployment of new cybersecurity solutions and the upgrading of existing toolsets.Maintain secure configurations, backups, and documentation for all security tools.Develop and sustain cybersecurity security plans, diagrams, and associated artifacts.Integrate SIEM data to ensure proper log and telemetry flow, aiding in threat detection and incident response.

The Director of IT & Cybersecurity will be the key authority responsible for the reliability, security, and compliance of enterprise technology throughout solidcore's headquarters and studio locations. Reporting directly to the CFO, this pivotal role ensures that our internal systems, infrastructure, and vendors perform securely, efficiently, and in a scalable manner as the organization expands.This strategic leader will manage IT operations, enhance cybersecurity measures, and oversee enterprise risk management. Collaborating closely with Finance, Human Resources, and Legal departments, the Director will ensure strict adherence to regulatory and audit frameworks. Additionally, this role will supervise the selection, governance, and performance of internal technology vendors, ensuring the organization is equipped with optimal tools, controls, and support systems.This is a vital function that emphasizes 'run and protect' strategies—reducing operational risks, minimizing disruptions, and establishing a stable, secure foundation that empowers the organization to scale effectively.

About Our TeamThe Sensors Division at Systems Technology Research (STR) is dedicated to pioneering technology advancements in sensor systems and platforms aimed at enhancing national security. Within this division, the Systems Autonomy, Analysis, and Modeling (SAAM) Group leverages cutting-edge autonomy research to address real-world challenges through physics-based modeling and simulation. Our research focuses on key algorithmic domains, including artificial intelligence (AI), machine learning (ML), control theory, sensor signal processing (particularly radar and electro-optical/infrared), tracking, optimization, and resource allocation. Our application domains encompass manned air platforms, such as the F-35 Joint Simulation Environment, unmanned aerial vehicles, and space assets, primarily serving the Air Force, Navy, and DARPA research initiatives.The RoleWe are on the lookout for a talented Senior Research Scientist to join the SAAM Group. In this role, you will spearhead research initiatives, design and implement innovative capabilities, and contribute to our autonomy mission. Collaborating with interdisciplinary teams across various STR campuses, you will plan and execute technical projects, prepare insightful reports and presentations for clients, support proposal development, and create groundbreaking solutions to complex national security challenges. Your focus will be on innovating and applying AI/ML and other decision-making algorithms to advance autonomy capabilities, particularly in simulation environments.The ideal candidate will possess a proven track record of successfully executing research projects with minimal supervision. Proficiency in software development, as well as strong oral and written communication skills, and the ability to lead peers are essential for this position.Interviews for this role will include an in-person or virtual presentation.Key Responsibilities:Design, develop, and enhance state-of-the-art machine learning algorithms to conduct studies and derive conclusions addressing autonomy challenges.Build, upgrade, and maintain algorithms within software frameworks.Design, develop, validate, and manage extensive simulations and simulation tools.Contribute to detailed technical reports and presentations for government stakeholders, elucidating the implications of simulation results on national security.

Become a vital member of the Healthcare Innovations team at the American Institutes for Research (AIR) as a Senior Researcher. Here, we tackle complex issues surrounding healthcare quality, costs, and access through collaborative efforts. Our multidisciplinary team, comprising nurses, physicians, psychologists, economists, sociologists, data scientists, and public health experts, is dedicated to driving impactful research and evaluations. We utilize state-of-the-art data science tools and provide technical assistance and training that ultimately save lives. In this role, you will spearhead applied research projects from inception to completion, including the design of rigorous studies, team and budget management, oversight of data collection and analysis, proposal development, and the dissemination of actionable insights. Your work will establish you as a trusted partner to clients and stakeholders. This position offers the flexibility to work remotely from anywhere within the United States or from one of AIR’s U.S. office locations, excluding U.S. territories.

Ripple Effect is seeking a Public Relations Specialist with a focus on IT and cybersecurity. Based in Arlington, Virginia, this position supports strategic communication and outreach for technology-driven initiatives. The role involves shaping public affairs strategies, handling media relations, and making complex technical topics accessible to a wide range of audiences. Main responsibilities Public affairs: Create content on key issues, coordinate outreach campaigns, and engage stakeholders. Take part in strategic planning within set frameworks. Media relations: Initiate outreach to media contacts, represent Ripple Effect in interviews and briefings, and adapt messaging for external audiences. Track media coverage to help manage the organization’s reputation. Communication and representation: Maintain clear, professional communication in every interaction. Represent the organization during media engagements to foster transparency and goodwill. Project management: Oversee and prioritize multiple public relations projects independently. Deliver press releases and campaign materials on schedule. Documentation: Keep organized records of public relations activities, including press materials and campaign files, to support continuity and transparency. Problem solving: Identify and address complex challenges in public relations. Seek opportunities to improve processes and strategies.

Ripple Effect is hiring a Communications Project Manager with expertise in IT and cybersecurity. This full-time, exempt position is based in Arlington, VA, with partial telework available. Only US citizens are eligible for this role. Role overview This position focuses on shaping and delivering communication strategies that support both client and internal IT and cybersecurity initiatives. The Communications Project Manager manages projects from initial strategy through final execution, ensuring that messaging is clear, timely, and aligned with organizational objectives. Public engagement and increasing awareness around cybersecurity topics are core parts of the job. What you will do Technical execution: Lead the rollout of communication strategies, assess feasibility, monitor for deviations, and keep stakeholders informed about decisions and risks. Communication strategy & leadership: Develop comprehensive communication plans, maintain brand consistency, and present complex topics in clear, actionable language. Cybersecurity awareness campaigns: Plan and deliver campaigns to boost public understanding and participation in cybersecurity efforts. Schedule & timeline management: Build and manage project schedules, allocate resources, and ensure timely delivery of communication materials. Quality management & continuous improvement: Identify and address quality issues, uphold high standards, and support process improvements. Documentation & knowledge management: Oversee documentation to ensure communications are organized, compliant, and tailored to stakeholder needs. Business & client relations: Build strong relationships with clients, anticipate needs, and align communication strategies with client goals. Position details Job code: PRO-CM-05M Location: Arlington, VA (client site with partial telework) Employee type: Full-time, exempt Citizenship: US citizenship required Salary range: $111,078.51 - $127,740.00

Become a pivotal part of the American Institutes for Research (AIR) as a Quantitative Researcher within our dynamic Healthcare Innovations team. Our collaborative team tackles the complex issues surrounding healthcare quality, cost, and accessibility. Comprising a diverse group of experts—including nurses, physicians, psychologists, economists, sociologists, data scientists, and public health specialists—we are dedicated to advancing evidence-based solutions that enhance lives and improve healthcare outcomes through rigorous research, impactful technical assistance, and cutting-edge data science technologies. This role offers the flexibility to work remotely from anywhere within the United States or from one of AIR’s U.S. office locations. Please note that positions are not available in U.S. territories.

As an Open Source Research Monitor II, you will play a crucial role in supporting our mission by conducting thorough and insightful research on open-source platforms. Your expertise will help us analyze trends, gather data, and provide actionable intelligence to enhance our operations. This position offers an excellent opportunity to utilize your analytical skills and contribute to groundbreaking projects.

Join Our Team at ARSIEM CorporationAt ARSIEM Corporation, we pride ourselves on establishing reliable and trusted partnerships with our government clients. Our dedicated team provides exceptional support to various agencies throughout the United States Government. With an experienced workforce of skilled professionals, we are committed to delivering optimal support and innovative solutions.As the demand for our services expands, ARSIEM is dedicated to offering dependable, state-of-the-art technical solutions at competitive prices. This commitment translates into a fulfilling career filled with opportunities for growth and the chance to make a significant impact on every client interaction.We are currently seeking a Network Forensics Cybersecurity Analyst to support one of our esteemed Government clients based in Arlington, VA.

At Two Six Technologies, we are dedicated to creating, deploying, and implementing cutting-edge products that address some of the world's most intricate challenges. Through exceptional teamwork and steadfast trust, we aim to extend the limits of innovation to empower our team and assist our clients in fostering a safer global environment.Overview of OpportunityTwo Six Technologies is on the lookout for a talented Senior CNO Developer to become a part of our esteemed Trusted Electronics and Effects team. This team is instrumental in supporting an advanced telecommunications research and cyber capability development program.As a full-time, on-site team member based in Arlington, Virginia, you will engage closely with professionals across reverse engineering, vulnerability research, and hardware teams, all essential for achieving mission success.This program has embarked on extensive technical research into telecommunications access methods within defined systems, identifying innovative approaches that facilitate system access without conventional interactions. Our team is now poised to leverage this research for advanced reverse engineering and vulnerability studies, as well as to develop operational tools and capabilities suitable for deployment in intricate real-world scenarios.In this pivotal role, you will collaborate with reverse engineers and vulnerability researchers to translate cutting-edge research into actionable cyber capabilities. As part of a small, highly collaborative team, you will build custom software tools and evolve innovative proofs-of-concept into robust operational solutions.

At Accenture Federal Services, our mission is to empower the US federal government to enhance national security and improve the quality of life for its citizens. With a dedicated team of over 13,000 professionals, we leverage technology and innovation to support a variety of clients, including defense, national security, public safety, civilian, and military health sectors. As part of Accenture Federal Services, a technology division of global Accenture, we take pride in being recognized as one of Glassdoor's Top 100 Best Places to Work. Our collaborative and inclusive culture fosters personal and professional growth through hands-on learning, certification opportunities, industry training, and more. Join us in making a meaningful impact and advancing government missions! The WorkThe Cybersecurity Incident Response Triage Analyst will be an integral part of the Cyber Incident Response Team (CIRT) within the Chief Information Security Officer (CISO) organization. This shift-based role involves analyzing, scoping, and triaging alerts and notifications from various sources, including SIEM, security sensors, ticketing systems, and direct communications. A solid technical foundation is necessary for effective collaboration with incident response and operations teams to categorize events as relevant and differentiate true threats from false positives. Familiarity with incident response lifecycles, prevalent cyber threats, and federal reporting requirements is essential.Primary Responsibilities:Monitor and respond to cybersecurity incidents associated with policy violations.Investigate and analyze incidents to assess their nature and scope.Coordinate with team leads and other Cybersecurity Incident Response Teams for effective incident resolution.Thoroughly document incidents and response activities.Stay informed about the latest cybersecurity threats and trends.Contribute to the development and enhancement of incident response strategies and procedures.Collaborate with operations, legal, human resources, and management to investigate security issues and assess true and false positives.

About the Team: The Sensors Division at Systems Technology Research (STR) is at the forefront of technology development for cutting-edge sensor systems and platforms that meet national security demands. Our focus encompasses a wide range of advanced technologies, including airborne, spaceborne, and surface-based radar, electronic warfare, underwater acoustics, hyperspectral imaging, and electro-optical/infrared (EO/IR) sensing. Our initiatives involve multiple technical domains ranging from RF analog/digital hardware, acoustic hardware, and signal processing algorithms to machine learning, systems analysis, and real-time embedded processor implementations. The Algorithms, Processing, and Experimentation (APEX) Group is dedicated to the advancement of RF/radar modes, applications, and skills, with a special emphasis on sophisticated signal processing chains and algorithmic research. We aim to enhance these technologies for practical integration and utility within RF-based systems, specifically catering to the stringent requirements of Defense and Intelligence Community clients, including the Air Force, Space Force, Navy, DARPA, and others. About the Role: In the capacity of Principal Signal Processing Researcher, you will spearhead technical teams tasked with the development, testing, integration, and demonstration of innovative signal processing, optimization, and machine learning algorithms tailored for advanced electronic warfare and sensor applications. Successful candidates will exhibit proven leadership skills and extensive expertise in multiple areas, including optimization, electronic warfare, adaptive signal processing, machine learning, algorithm development and integration, testing and evaluation, modeling and simulation, systems engineering, radar systems, or communications systems. This role necessitates collaboration within and leadership over multidisciplinary teams engaged in the design, analysis, integration, and demonstration of signal processing algorithms for intricate systems. What You Will Do: Develop concepts and solutions for electronic warfare and radar systems, including signal processing and machine learning algorithms to tackle remote sensing challenges. Provide technical leadership to small, multidisciplinary teams involved in developing, implementing, testing, and integrating novel sensing, electronic warfare, and signal processing systems. Oversee modeling and simulation activities for advanced RF systems to support algorithm development, testing, and integration efforts. Plan and facilitate algorithm testing and evaluation activities, assessing performance in both laboratory and field environments. Effectively communicate with customers, stakeholders, sponsors, prime contractors, and subcontractors.