Principal Software Engineer LeidosPrincipal Software EngineerBethesda, MarylandSupport the Agile software development lifecycle following SAFe practices, using industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting and leveraging tools such as JIRA and Confluence to track activities. Based in a DevOps framework, this role participates in and/or directs major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing.
Principal Embedded Software Engineer Curtiss-WrightPrincipal Embedded Software EngineerAshburn, VirginiaImplement and integrate, or debug embedded software including bootloaders (BIOS, SlimBootLoader and U-Boot), device drivers (Linux and VxWorks), customized applications and embedded test software, and product simulation and production test software. Hands-on and demonstrable experience with software development using C/C++, Linux (Red Hat, LynxOS, WindRiver), VxWorks (7.x), Linux and VxWorks device drivers, Scripting(bash/csh), high-level application software, Python, LabVIEW and IPMI.
Principal Systems Engineer-Defense Curtiss-WrightPrincipal Systems Engineer-DefenseAshburn, VirginiaAs a leading Modular Open Systems Approach (MOSA) solutions supplier for battlefield platforms and communication systems , we are uniquely positioned to benefit from the DoD's commitment to maintaining technological superiority on the battlefield. Curtiss-Wright's Defense Solution division is a trusted, proven leader, delivering superior products and services that meet the defense and aerospace industries' toughest challenges with best-in-class value.
Associate Principal Malware Analyst Dragos IncAssociate Principal Malware AnalystDCRemoteAbout the Role: The Dragos Malware Analysis team provides critical defense against the most sophisticated threats targeting critical infrastructure by analyzing adversary tools, building detections, and delivering intelligence that shapes how the industry understands ICS security. As an Associate Principal Malware Analyst, you''ll lead deep-dive analysis of ICS-related malware and firmware, develop novel detection methods, and produce Yara signatures and technical reports that translate findings into action.
Principal Product Manager, Customs & Border Authorities Altana AIPrincipal Product Manager, Customs & Border AuthoritiesWashington, DCSupply chain transparency requirements, forced labor enforcement, fentanyl and precursor interdiction, tariff volatility, revenue leakage, and the pressure to facilitate ever-growing trade volumes with flat resources - customs and border authorities around the world are being asked to do something they've never been equipped to do: understand, monitor, and act on the full depth of global commerce, not just the edge of it. You will own the product vision across Altana's core customs offerings: the Altana Passport Manager, which lets authorities pre-clear goods before they ever arrive; the Altana Entry Processing System, which brings sophisticated AI to entry review at the speed and scale of live trade; and the Altana Trade Enforcement Suite, which powers enforcement and revenue protection from counternarcotics to undervaluation.
Principal Engineer II - Software EchoStarPrincipal Engineer II - SoftwareGermantown, MarylandFull timeSkills, Experience and Requirements: Requires: Bachelor’s degree (or foreign equivalent) in Computer Science or a closely related technical field plus 7 years of software application development experience in the job offered or similar roles. Our business spans satellite television service, streaming and on-demand programming, smart home installation services, 5G wireless consumer and commercial services, internet and other enterprise products.
NewPrincipal ETL Developer LeidosPrincipal ETL DeveloperBethesda, Maryland$131,300–$237,350 / yearCollaboration and communication: Collaborate effectively with data architects, data engineers, application/service developers, and other stakeholders to translate business requirements into robust technical solutions and effectively communicate complex technical concepts to both technical and non-technical audiences. The candidate will be responsible for defining architectural best practices, optimizing performance in large-scale environments, and mentoring junior developers, ensuring the delivery of robust, scalable, and secure data flow solutions that drive critical customer needs.
NewPrincipal AI Cybersecurity Advisor Optiv Security IncPrincipal AI Cybersecurity AdvisorHerndon, VARemoteBy combining advanced business and security practitioner knowledge, the Principal AI Cybersecurity Advisor designs security solutions using some of the most advanced security services and technologies to achieve highly defensible and scalable security programs to align with the clients' security initiatives wherever AI is involved. Effectively work with multiple client personas across the executive branch (CxO), as well as other relevant personas to develop AI product and services, advisement, and AI security strategy and define roadmaps to execute on AI strategy-aligned business goals, budgetary spend, and metrics based on return of investment.
Principal Software Engineer - Backend Dragos IncPrincipal Software Engineer - BackendDCRemoteStay informed about the latest advancements in Rust programming, security, and software design principles, helping to foster an environment of continuous learning and improvement. Our backend community is the heartbeat of the Dragos Platform, playing a pivotal role in the success of our customers' ability to secure their OT environments.
Principal, Supply Chain Management and Resilience Noblis IncPrincipal, Supply Chain Management and ResilienceDC$105,100–$164,125 / yearThe selected candidate will lead complex research and analysis efforts across supply chain management functions, supply chain risk management methodologies, and legacy technology modernization, independently authoring research reports, white papers, and technical deliverables that inform strategic decision-making. Execute Supply Chain Risk Management (SCRM) analyses including supplier risk evaluations, material-level vulnerability assessments, and development of tailored SCRM frameworks integrated into acquisitions, procurement, R&D, and sustainment workflows.
Principal Partner Solutions Architect Public Sector - Fed Datadog IncPrincipal Partner Solutions Architect Public Sector - FedWashington, DC$228,650–$268,600 / yearOwn the senior technical relationship with a portfolio of high-value federal and public sector partners, serving as a strategic advisor to partner CTO, CISO, and VP-level stakeholders; Lead joint technical strategy sessions and executive business reviews, ensuring alignment between Datadog and partner technical roadmaps at the highest levels of the organization; Architect and lead technically complex partner initiatives including federal cloud migrations, zero-trust observability frameworks, FedRAMP-aligned deployments, and large-scale DevSecOps transformations; Design and deliver partner enablement programs - workshops, certifications, and technical deep-dives - that measurably elevate partner capabilities; Collaborate internally to support partner technical initiatives such as end-customer demonstrations and proofs of value; partner team enablement workshops; assessment, advice, and coaching on lead practices; Advocate on behalf of partners'' technical concerns (use cases, feature requests, support issues, e.g.) with Datadog internal teams and personnel, helping to bring those concerns to resolution; Serve as the authoritative voice of federal partner needs with Datadog''s Product, Engineering, and Technical Services teams - driving prioritization decisions that shape the platform roadmap; Continuously help curate and evolve lead/best practices for Datadog platform adoption and success. 15+ years of experience in a customer- or partner-facing technical role, with a demonstrated record of operating at both the executive and deep-technical levels simultaneously; Proven track record building and sustaining C-suite relationships in federal or public sector environments; Deep familiarity with the federal technology landscape: procurement cycles, compliance frameworks (FedRAMP, FISMA, IL5), and the ecosystem of FSIs, GSIs, and channel partners operating in the public sector; A self-starter, tech-savvy professional with exceptional business acumen; the ability to articulate Datadog value from the server room to the boardroom - and every level in between; Fluency in English required; Desired hands-on experience in five or more of the following areas: Observability: Datadog, Splunk, AppD, New Relic, or Dynatrace.
Principal Structural or Architectural Engineer (MS/PhD) Exponent IncPrincipal Structural or Architectural Engineer (MS/PhD)Alexandria, VA$181,000–$284,000 / yearD. in Civil Engineering, Structural Engineering, Architectural Engineering, or a related field Significant business development experience with a proven track record Licensure as a Professional Engineer (PE) or Structural Engineer (SE) in at least one state Ability to attract projects to support full-time staff and to manage and develop a group of highly motivated individuals Minimum of 10 years of experience in technical engineering and project management post-graduation An outstanding professional reputation with an existing client base Experience providing expert testimony in a dispute resolution setting Significant experience in construction claims, dispute resolution, and litigation services Experience in architectural engineering and building technology is a plus, but not required Experience drafting/reviewing analysis, reports, and presentations Effective leadership skills with the ability to positively interact with professionals, technical staff, and administrative staff Outstanding professional reputation and a record of publications Strong client base in similar market areas A dedication to quality and accuracy. You will be responsible for: Lead business generation and client development efforts Inspection, analysis, and determination of root causes of structural/building envelope performance failures Conducting projects and supervising others Analytical and computer problem-solving Leading field investigations and diagnostic surveys Preparing and presenting technical reports and complicated engineering assessments Continued professional development towards maintaining professional expertise Providing expert testimony where appropriate.
Principal Post Sales Solution Consultant Socure IncPrincipal Post Sales Solution ConsultantWashington DC, DCRemoteEvery action you take-whether it's ensuring customers understand the ROI of our solutions, maintaining alignment with their strategic goals, or proactively addressing -should ladder up to improving NDR, as well as related metrics like Net Promoter Score, Time-To-Revenue, and Product/Version Adoption Rate. Lead both the strategic narrative and quantitative analysis during POCs, showcasing how new solutions address customer pain points, deliver measurable lift, and integrate seamlessly with their current workflows.
Senior Principal II Engineer - FPGA Design - $40K Sign On Bonus BAE Systems PlcSenior Principal II Engineer - FPGA Design - $40K Sign On BonusChantilly, VAfor description visit the url https://jobs.baesystems.com/global/en/job/BAE1US125021BREXTERNAL/Senior-Principal-II-Engineer---FPGA-Design---$40K-Sign-On-Bonus .
Data Center BESS Principal Engineer Fluence Energy IncData Center BESS Principal EngineerArlington, VADeep knowledge of data center electrical infrastructure and project delivery (e.g., MV/LV distribution, substations, UPS and backup generation interfaces, protection schemes, commissioning) and how a utility‑scale BESS integrates at the site or grid level. Expertise to engage deeply with engineering and operations teams on topics such as medium-voltage electrical distribution, load profiles, interconnection, power quality, controls/integration, and project execution constraints.
Senior Principal II Engineer - FPGA Design - $20K Sign On Bonus BAE Systems PlcSenior Principal II Engineer - FPGA Design - $20K Sign On BonusChantilly, VAfor description visit the url https://jobs.baesystems.com/global/en/job/BAE1US125018BREXTERNAL/Senior-Principal-II-Engineer---FPGA-Design---$20K-Sign-On-Bonus .
Sr. Principal Mission Engineer Clarity Innovations LLCSr. 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 DevOps Engineer Fluence Energy IncPrincipal DevOps EngineerArlington, VAThe Principal DevOps Engineer will act as the technical authority for infrastructure-as-code, CI/CD integration, and deployment automation, working closely with Product, Networking, Cybersecurity, and Deployment teams. Our core cultural pillars empower us to innovate, collaborate, and lead with purpose, ensuring we continue to deliver unparalleled value to our customers and the world.
Principal AI Solutions Architect Blue Orange Digital LLCPrincipal AI Solutions ArchitectWashington, DCThe ideal candidate has a career arc similar to our current senior technical leaders: a progression from hands-on data engineering and cloud architecture through AI/ML solution design, evolving into a strategic, client-facing technologist who can go deep with engineering teams and wide with executive stakeholders. From client research and architecture documentation to competitive analysis and proposal development, your digital labor force handles the heavy lifting so you can focus on what matters most: solving hard technical problems, building client trust, and designing systems that deliver real business impact.
Principal AI-Enabled Software Engineer (Top Secret) Praescient Analytics LLCPrincipal AI-Enabled Software Engineer (Top Secret)Fairfax, VARemotePraescient Analytics is a Certified Woman-Owned Small Business (WOSB) with over a decade of expertise in advanced analytics, engineering, and DevOps, specializing in transforming complex data into actionable intelligence for informed decision-making. You will bring practical experience in AWS cloud environments, AI-assisted coding, AI-assisted testing, API-first design, and modern software engineering practices to help accelerate delivery and improve engineering maturity.