Johns Hopkins Applied Physics Laboratory

Company Name: Johns Hopkins Applied Physics Laboratory
Job Title: National Security Artificial Intelligence (AI) Analyst
Job Description: **Job Title:** National Security Artificial Intelligence (AI) Analyst **Role Summary:** Lead the design, development, and deployment of large‑language‑model (LLM) and generative AI solutions to enhance national security analysis. Integrate AI methods with physics‑based modeling, gaming techniques, and operational studies to reduce analysis timelines and increase sponsor impact. Maintain cross‑disciplinary collaboration within the National Security Analysis Department (NSAD) and across the Applied Physics Laboratory (APL) enterprise while staying current on AI research advancements. **Expectations:** - Proactively advance AI capabilities in national security contexts. - Collaborate with AI, operations research, and national security experts. - Communicate findings clearly to technical and non‑technical audiences. - Travel as required within the U.S. and occasionally overseas. - Obtain Interim Secret clearance at start; qualified for TS/SCI eligibility. **Key Responsibilities:** 1. Develop, fine‑tune, and maintain generative AI models (LLMs) for NSAD analyses. 2. Pre‑process and curate data sets, managing class imbalance and ensuring data quality. 3. Apply AI to tactical, operational, and strategic national security problems, including DoD warfighter support. 4. Design and implement evaluation protocols and rigorous testing of AI models. 5. Collaborate with multidisciplinary teams inside NSAD and APL to align AI tools with broader analytical workflows. 6. Monitor and integrate the latest AI research and tools into existing projects. 7. Document AI methodologies, model performance, and outcomes for stakeholders. 8. Support knowledge transfer and training for analysts on AI applications. **Required Skills:** - Bachelor’s degree in Computer Science, Data Science, Mathematics, or a related analytic field. - Proven experience with generative AI applications (e.g., LLMs). - Proficiency in Python; experience with TensorFlow, PyTorch, or equivalent NLP libraries. - Strong data‑preprocessing skills, including handling of imbalanced datasets. - Ability to apply cutting‑edge AI and deep learning techniques to real‑world problems. - Excellent verbal and written communication; ability to explain complex AI concepts to diverse audiences. - Collaborative teamwork across multidisciplinary environments. - Eligibility for U.S. security clearance (Interim Secret at start, potential for TS/SCI). **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Data Science, Mathematics, or a related analytic discipline. *Additional qualifications above the minimum (preferred but not required) include advanced degrees (Master’s, Ph.D.), expertise in fine‑tuning domain‑specific LLMs, rigorous evaluation protocol design, deep learning architecture knowledge, and experience with DoD tactical/operational system analysis.*

Laurel, United states

On site

01-12-2025

Company Name: Johns Hopkins Applied Physics Laboratory
Job Title: Cybersecurity Engineer
Job Description: **Job Title:** Cybersecurity Engineer **Role Summary:** Conduct comprehensive vulnerability assessments of deployed and developing systems, integrating security and resilience into the System Engineering V‑cycle. Provide technical analysis, documentation, and recommendations to government and contractor stakeholders, ensuring mission objectives are protected against nation‑state threats. **Expectations:** - U.S. citizen eligible for an Interim Secret clearance by hire; ultimate Top Secret clearance required. - Minimum 5 years of hands‑on experience in at least two of the following: penetration testing, red teaming, software reverse engineering, malware analysis, exploit development, system security engineering, secure system design, or software development. - Ability to manage multiple technical threads while maintaining focus on broader mission constraints. - Strong written and verbal communication skills for technical documentation and non‑technical audiences. - Willingness to travel up to 25 % of the time to government and contractor sites. **Key Responsibilities:** 1. Perform vulnerability research, configuration analysis, and penetration testing of hardware, software, and network components. 2. Develop and execute test plans, collect data, and analyze assessment results to identify security gaps. 3. Produce clear, concise technical reports that convey findings and mitigation options to stakeholders. 4. Collaborate with multidisciplinary teams (system architects, mission operators, software engineers) to prioritize mitigations in light of mission priorities and operational constraints. 5. Support early lifecycle design efforts by providing security and resilience perspectives to developers and system owners. 6. Facilitate technical diplomacy among diverse technical, operational, and organizational domains. **Required Skills:** - Penetration testing & red teaming - Software reverse engineering & malware analysis - Exploit development and secure system design - System security engineering & secure software development - Threat intelligence analysis - Technical documentation and presentation to non‑technical audiences **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Computer Engineering, Cybersecurity, Information Assurance, or a related quantitative field. - U.S. citizenship and eligibility for classified information access. - Interim Secret security clearance at hiring, with progression to Top Secret clearance.

Laurel, United states

On site

Senior

01-01-2026

Company Name: Johns Hopkins Applied Physics Laboratory
Job Title: Navigation Analyst
Job Description: **Job Title:** Navigation Analyst **Role Summary:** Subject matter expert responsible for developing and applying mathematical and physics‑based models of advanced maritime navigation systems to evaluate performance, quantify errors, and recommend mitigation strategies for US Navy surface and subsurface platforms. **Expectations:** - Deliver high‑quality analytical results and clear recommendations to decision‑makers. - Communicate findings effectively in written reports and oral presentations to both technical colleagues and government sponsors. - Collaborate with multidisciplinary teams of engineers, mathematicians, and physicists. - Travel occasionally to Navy facilities and contractor sites as required. - Obtain and maintain a Secret security clearance (ability to upgrade to Top Secret). **Key Responsibilities:** - Create and refine mathematical models governing inertial navigation system (INS) performance. - Derive physics‑based models describing interactions between INS and supporting aids (e.g., GPS, sonar, Doppler velocity logs). - Perform error analysis using Kalman filtering and modern estimation techniques. - Assess model fidelity and impact of navigation errors on tactical and strategic mission objectives. - Document and present analysis results to internal stakeholders and external government sponsors. **Required Skills:** - Proficiency in developing and applying mathematical/physics models of complex systems. - Experience with Kalman filters or other advanced system estimation methods. - Strong programming skills in MATLAB, Python, or comparable high‑level language. - Excellent technical writing and oral presentation abilities. - Ability to work both independently and within collaborative teams. **Required Education & Certifications:** - Bachelor’s degree in Mathematics, Physics, Engineering, or a closely related technical field. - Eligibility for U.S. citizenship and ability to obtain a Secret security clearance (with potential upgrade to Top Secret). **Preferred Qualifications (above minimum):** - Master’s or Ph.D. in a relevant technical discipline. - Direct experience modeling navigation sensors such as IMUs, GPS, Doppler Velocity Log, or Correlation Velocity Log. - Existing Top Secret clearance.

Laurel, United states

On site

01-01-2026

Company Name: Johns Hopkins Applied Physics Laboratory
Job Title: Senior Systems Security Administrator
Job Description: Job Title: Senior Systems Security Administrator **Role Summary** Provide advanced security administration for classified IT environments, ensuring DoD compliance and continuous improvement of endpoint, network, and device security. Manage and monitor ESS/Trellix ePO, ACAS, C2C, and SolidCore, analyze logs, conduct packet capture, and support vulnerability management and incident response. **Expectations** - Maintain and enhance security posture for collateral networks. - Enforce DoD baselines and security technical implementation guides (STIGs). - Deliver timely, clear communication of security findings to stakeholders. - Operate with minimal supervision while collaborating across security functions. **Key Responsibilities** - Administer and tune ESS/Trellix ePO suite and SolidCore application whitelisting. - Monitor and analyze logs for removable device activity, VPN/firewall traffic, and privileged user actions. - Conduct packet capture (PCAP) analysis and vulnerability assessments with ACAS. - Evaluate and improve existing security controls and processes. - Coordinate CND tool administration for Security Operations, DoD compliance, and end‑user support. - Assist Vulnerability Management Team to design and implement ACAS architecture per DoD standards. - Prepare and maintain documentation for policy changes, incident response, and security reporting. **Required Skills** - 5+ years of enterprise security systems analysis/monitoring. - 3+ years of administration of ESS, ACAS, or equivalent security toolsets (≥100 devices). - Windows & RHEL operating‑system expertise. - Packet capture (PCAP) analysis, STIG implementation, and automation. - Incident response and troubleshooting in complex environments. - Strong written and oral communication; ability to present technical details to all levels. - Self‑starter, team player, proactive in continuous improvement. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Systems Engineering, Information Systems, or equivalent experience. - DISA ESS 201 & 301 Administrator certifications. - DISA ACAS Operator & Supervisor certifications. - Current DoD Manual 8570, 01‑M IAT II industry certification (e.g., GSEC, Security+, CCNA‑Security). - Top Secret security clearance (U.S. citizenship required). ---

Laurel, United states

On site

Senior

01-01-2026

Johns Hopkins Applied Physics Laboratory

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