Lead research on AI, cybersecurity, and systems security, developing prototypes, experiments, and systems that influence Horizon3’s technology.
Compensation
Base salary range: $174,191 - $249,230 annually. The exact salary will be determined based on the selected candidate’s location, qualifications, experience, and relevant skills. Additional compensation: All full-time roles are eligible for an equity package in the form of stock options.
Responsibilities
Identify, formulate, and drive research problems at the intersection of AI, cybersecurity, and computer systems.
Translate real technical challenges from Horizon3's products, security environments, and research agenda into well-defined research questions.
Independently develop research directions, technical hypotheses, and experimental plans.
Design and lead rigorous experiments in controlled and representative environments.
Build research prototypes and technical systems, or provide sufficient technical direction for others to implement and evaluate them.
Requirements
Bachelor's in Computer Science or equivalent technical experience
Seeking a Foreign Military Sales (FMS) analyst to support the U.S. Navy’s international initiatives to acquire, deliver, and sustain partner nation combat systems through program analysis and communication.
Compensation
The projected compensation range for this position is $55,200.00 to $126,000.00 (annualized USD).
Responsibilities
Monitor cost, schedule, and performance of multiple projects
Create Letters of Offer and Acceptance (LOA), modifications, amendments, and status presentations
Make recommendations for improvement to program leadership
Assist country managers (CM) with DSAMS case efforts, including development, amendments, MODs, or revisions
Drive programmatic duties including meeting attendance, presentation support, publication support, correspondence, and action item tracking
Requirements
Bachelor’s degree
Nice to have: Defense Security Cooperation University (DSCU) Certification
Nice to have: SC Planning, Oversight, and Execution Management
Supports financial management, strategic planning, operational support, and reporting for DHS-ICE at the Sacramento Sub-Field Office.
Compensation
USD $100,000.00 - USD $110,000.00 /Yr.
Responsibilities
Provide financial data reporting and business analytics to financial taskings and requirements executed for mission needs.
Develop and apply costing data, financial analysis, and program analysis techniques to identify savings, risks, and opportunities for improved business value.
Support the identification, analysis and planning for budgeting and financial requirements for the field office.
Provide leadership to 1-2 additional operations analysts focused on the tactical execution of operational requirements including fleet management, inventory management, and travel planning.
Provide operations support to fleet management functionality associated with the management and planning for vehicles within the ICE fleet.
Requirements
Bachelor's Degree
Nice to have: Experience supporting DHS and/or U.S. Government agencies
Nice to have: DHS clearance
Nice to have: federal budget planning and formulation
Lead strategic communications for a cybersecurity organization, developing executive narratives, speeches, presentations, digital content, and public-facing materials while coaching senior leaders and managing communications through appropriate review processes.
Compensation
W2 Hourly rate starting at $50.
Responsibilities
Provide strategic guidance on alternative construction delivery methods, including Progressive Design-Build (PDB), OTAs, and CSOs, and develop strategies to integrate innovative delivery models into Air Force infrastructure programs.
Advise on acquisition, contracting, and negotiation strategies that leverage OTAs and CSOs to rapidly acquire innovative technologies and infrastructure solutions.
Support the development and implementation of policies, guidance documents, and best practices for innovative construction delivery methods.
Monitor emerging construction technologies, acquisition trends, and industry best practices to identify opportunities for improving MILCON and infrastructure investments.
Support the planning, procurement, development, and execution of MILCON projects utilizing alternative acquisition authorities.
Requirements
Bachelor's degree in Engineering, Architecture, Construction Management, or a related field
The candidate will support the Mission Concepts and Capabilities Division in managing a large, multi-CLIN contract supporting defense-related offices, overseeing a team for R&D portfolio management, and supporting business development initiatives.
Compensation
Pay Ranges: From $190,000.00 - $225,000.00 per year
Responsibilities
Oversee a team responsible for advising and assisting with Planning, Programming, Budget, and Execution
Portfolio Management of research and development projects
Nuclear Forces Portfolio Management
Emergent Threats and other Nuclear Surety Requirements
Nuclear Surety Cybersecurity Threats
Requirements
Master’s degree
Bachelor’s degree
Nice to have: 20+ years of progressive, relevant experience
Nice to have: Master’s degree in recognized engineering, scientific, technical, management or related discipline
Lead AI-assisted vulnerability research, designing and building secure AI harnesses to discover, validate, and report high-impact software vulnerabilities.
Compensation
$172,100.00 - $278,300.00/yr
Responsibilities
Design, build, and improve AI/security harnesses for vulnerability research
Produce high-quality research artifacts and technical reports
Conduct deep technical analysis across real-world software and open-source projects
Build reusable research infrastructure and automation pipelines
Analyze large-scale harness outputs to identify new research opportunities
Requirements
Master's degree in Computer Science, Cybersecurity, or related field
Nice to have: PhD in Computer Science, Cybersecurity, AI/ML, Systems, Programming Languages
Nice to have: experience building AI agent harnesses
Nice to have: experience handling real vulnerabilities end-to-end
Nice to have: knowledge of Web Security, OS & Kernel Security, Browser Security, Software Supply Chain Security, OT/IoT Security, Network/Protocol Security, Cloud Security, Application Security
Senior security researcher focused on AI-assisted vulnerability research, building and improving AI/security harnesses for discovering, validating, and reporting high-impact vulnerabilities in real-world software and open-source projects.
Compensation
$147,600.00 - $238,700.00/yr
Responsibilities
Design, build, and improve AI/security harnesses for vulnerability research
Produce high-quality research and security artifacts
Conduct deep technical analysis across real-world software and open-source projects
Build reusable research infrastructure
Use LLMs, AI agents, fuzzing, static/dynamic analysis, program analysis, reverse engineering automation, and security automation to improve the quality, speed, coverage, and reliability of vulnerability research workflows
Requirements
Master's degree in Computer Science, Cybersecurity, or a related technical field
Nice to have: PhD in Computer Science, Cybersecurity, AI/ML, Systems, Programming Languages
Nice to have: experience building AI agent harnesses
Nice to have: experience handling real vulnerabilities end-to-end
Nice to have: knowledge of security in Web Security, OS & Kernel Security, Browser Security, Software Supply Chain Security, OT/IoT Security, Network/Protocol Security, Cloud Security, Application Security
Skills
Analyste principal bilingue, Politiques et programmes opérationnels
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