Senior Principal Cybersecurity Researcher Twosix TechnologiesSenior Principal Cybersecurity ResearcherArlington, VAExperience delivering high‑quality technical documentation-such as vulnerability research and findings, industry white papers, and competitive proposals-that distills complex cybersecurity concepts for diverse audiences. Author authoritative technical reports, white papers, and proposals that clearly convey research findings and cybersecurity solutions to both technical and business stakeholders.
Principal Product Owner, Workday University of Maryland Global CampusPrincipal Product Owner, WorkdayAdelphi, Maryland$123,000–$138,000 / yearThe Principal Product Owner, Workday, assists the Associate Vice President, ERP & Faculty Systems in providing strategic leadership and delivery oversight for UMGC’s enterprise Workday platform, ensuring alignment between institutional strategy, business needs, and technology capabilities. The Principal Product Owner serves as the bridge between HR, Finance, IT, and executive stakeholders, driving value realization and continuous improvement across Workday HCM, Finance, Prism, Extend, and related modules.
Principal Vulnerability Researcher ZetierPrincipal Vulnerability ResearcherArlington, VACandidates will demonstrate practical experience designing, developing, and deploying tools intersecting command and control, persistence, and networking. Zetier is seeking Principal Vulnerability Researchers to analyze and counter malicious software and develop operationally critical cyber capabilities.
Sr. Principal, Business Development & Head of Air Force Strategy DivergentSr. Principal, Business Development & Head of Air Force StrategyWashington, DC$179,610–$285,200 / yearThe Senior Principal serves as a senior advisor to executive leadership on Air Force market strategy and is responsible for shaping long-term customer engagement, strategic partnerships, and business growth within one of the company's highest-priority defense markets. Develop, own, and continuously evolve Divergent's long-term Air Force strategy by identifying emerging mission needs, acquisition pathways, funding opportunities, executive stakeholders, and strategic partnerships that position the company for sustained growth.
Principal Software Engineer - ARINCDirect Core Platform (Onsite) RTXPrincipal Software Engineer - ARINCDirect Core Platform (Onsite)MarylandTypically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and minimum 8 years of relevant experience, or an advanced degree and 5 years of experience, or in absence of a degree, 12 years of relevant experience. ARINCDirect, part of the Connected Aviation Solutions unit of Collins Aerospace, provides planning, scheduling, and connectivity solutions that empower thousands of aircraft operations every day.
Principal Network Evaluator AmentumPrincipal Network EvaluatorMarylandConduct proactive computer network defense activities by analyzing systems and networks to identify vulnerabilities, detect network intrusions, monitor security events, assess attack surfaces, and develop operational courses of action to mitigate cyber threats. Knowledge of Network Defense Integrity (NDI) Methodology, digital forensics, intrusion detection systems, vulnerability scanning technologies, MITRE ATT&CK, NIST cybersecurity frameworks, and scripting languages.
Principal Accountant Franklin ResourcesPrincipal AccountantBaltimore, MD$115,000–$150,000 / yearWe also offer a comprehensive benefits package, which includes a range of competitive healthcare options, insurance, and disability benefits, employee stock investment program, learning resources, career development programs, reimbursement for certain education expenses, paid time off (vacation / holidays / sick / leave / parental & caregiving leave / bereavement / volunteering / floating holidays) and a motivational wellbeing program. The group reports directly to the Chief Accounting Officer over the Americas region and is primarily responsible for US regulatory reporting, preparation of stand-alone audited financials, supporting the legal entity teams and other periodic tasks such as impairment reviews and capital transactions.
Sr. Principal Information Security Engineer (Isso) ClaritySr. Principal Information Security Engineer (Isso)Columbia, MD$100,000–$330,000 / yearClarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Clear Communicator: Strong capability to translate rigid compliance terminology and policy expectations into actionable tasks for developers, and conversely, translating complex cloud-native architectures into risk-management language for traditional auditors.
Sr. Principal Mission Engineer ClaritySr. Principal Mission EngineerColumbia, MD$100,000–$330,000 / yearClarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. Kubernetes & Workload Integration: Troubleshoot and maintain localized Kubernetes clusters (managed or CAPI-provisioned), ensuring proper integration with ingress API gateways, Cilium network fabrics, and local container registries.
Principal Software Engineer (Python) Themis InsightPrincipal Software Engineer (Python)Fort Meade, MDProvides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.
Principal Radio Frequency Engineer Twosix TechnologiesPrincipal Radio Frequency EngineerHerndon, VAThe team is growing and looking for someone with an advanced RF engineering and signal processing background who has an understanding of how to serve as an RF Subject Matter Expert (SME) to lead technical planning, reverse engineer complex RF protocols, and architect solutions for embedded security research programs. Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, Physics, Mathematics (or equivalent military/IC experience) paired with 9+ years of experience in DSP, SDR development, and RF reverse engineering.
Senior Principal Software Engineer (Onsite) RTXSenior Principal Software Engineer (Onsite)MarylandSolipsys is a wholly owned subsidiary of Collins Aerospace/RTX and is currently seeking a Principal Software Engineer who is enthusiastic, hardworking, and proactive in writing and developing code using programming languages and related technologies such as Java, C++, Angular, GraphQL, REST, KafKa, and Typescript (among many others). Solipsys is an industry leader in the development of command and control software systems and operates in a dynamic, complex, fast-paced business environment with both commercial and Government customers, including a mix of domestic and international pursuits and programs.
Principal Partner Enablement Manager Keyfactor IncPrincipal Partner Enablement ManagerWashington, DCKeyfactor is the leader in trust infrastructure for AI and machines, helping the world''s largest enterprises and government agencies take control of the cryptographic identities that safeguard every digital interaction. If you''re looking for work that matters and a team that brings out your best, we hope you''ll trust your future with Keyfactor!
Principal Data Lead BixalPrincipal Data LeadFairfax, Virginia$160,000–$200,000 / yearWorking knowledge of distributed data processing concepts and common data programming or query languages (e.g., SQL, Python, Scala), sufficient to engage credibly with engineering teams on pipeline design and performance. Bixal is a consulting company headquartered in Fairfax, VA, working alongside governments and organizations to help them deliver better services and experiences to the communities they serve.
Principal Software Engineer (Onsite) RTXPrincipal Software Engineer (Onsite)MarylandSolipsys is a wholly owned subsidiary of Collins Aerospace/RTX and is currently seeking a Principal Software Engineer who is enthusiastic, hardworking, and proactive in writing and developing code using programming languages and related technologies such as Java, C++, Angular, GraphQL, REST, KafKa, and Typescript (among many others). Solipsys is an industry leader in the development of command and control software systems and operates in a dynamic, complex, fast-paced business environment with both commercial and Government customers, including a mix of domestic and international pursuits and programs.
Principal Vulnerability Researcher Twosix TechnologiesPrincipal Vulnerability ResearcherHerndon, VAExtensive experience developing, debugging, and scripting in C/C++ and Python within Linux command-line environments, with a strong emphasis on low-level programming, memory management, and system interaction for reverse engineering and vulnerability research. Join the Trusted Electronics & Effects team of Two Six Technologies, a team of dedicated hackers in Herndon, Virginia, where you'll immerse yourself in cutting-edge vulnerability research on a wide range of unique embedded systems.
Sr Principal SW Development Engineer UKGSr Principal SW Development EngineerWashington, DC$163,900–$235,550 / yearOperating at a principal level, this role goes well beyond traditional requirements gathering—serving as a trusted advisor, systems strategist, and transformation leader across large, multi-phase programs involving D365 Finance & Operations, and integrated enterprise platforms. This role partners closely with Finance and Go To Market teams and IT leadership to translate complex business objectives into scalable, compliant, and future-ready system solutions.
Principal Vulnerability Researcher ($300K+/Year + Sign-On Bonus) Twosix TechnologiesPrincipal Vulnerability Researcher ($300K+/Year + Sign-On Bonus)Linthicum, MDWhat you will need (Basic Qualifications): Doctorate in Computer Science, Computer/Electrical Engineering, or a related field and 7 years of relevant experience, OR Master's degree and 9 years of relevant experience, OR Bachelor's degree and 11 years of relevant experience, OR Associate's degree and 13 years of relevant experience. Relevant experience: computer/information systems design/development, programming, information/cyber/network security, reverse-engineering, vulnerability analysis, penetration testing, computer forensics, information assurance, or systems engineering.
Principal Platform Engineer ClarityPrincipal Platform EngineerFort Meade, MDClarity Innovations is a trusted national security partner, dedicated to safeguarding our nation's interests and delivering innovative solutions that empower the Intelligence Community (IC) and Department of Defense (DoD) to transform data into actionable intelligence, ensuring mission success in an evolving world. We are committed to delivering cutting-edge tools and capabilities that address the most complex national security challenges, empowering our partners to stay ahead of emerging threats and ensuring the success of their critical missions.
NewPrincipal Consultant – Critical Minerals S&P GlobalPrincipal Consultant – Critical MineralsWashington DC, New YorkThis role will contribute to the growth of our global critical minerals consulting team and to the execution of our broader Energy Transition team’s projects for private and public sector clients by providing analytical rigor, expertise in model development, and the ability to manage entire workstreams and develop client-ready deliverables. The Principal Consultant, focused primarily on critical minerals but with a good handle of other energy-related topics, is expected to help build up our consulting capabilities around critical minerals and work closely with clients and internal consulting team members to ensure that bespoke consulting projects are delivered with quality, on time and within budget.