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 Software Engineer CVS Health CorpPrincipal Software EngineerDC$144,200–$288,400 / yearOperating as both a senior individual contributor and technical leader, you will partner closely with product, architecture, and engineering leadership to make pragmatic, high‑impact design decisions that balance speed, quality, and long‑term maintainability. Partner with teams and serve as subject matter expert to provide benchmarked solutions to multiple, complex technical projects/initiatives within own area of expertise and organize cross-departmental application architectural solutions.
Senior Principal Azure Engineer GD Information TechnologySenior Principal Azure EngineerWashingtonWork with Cloud Architect to support secure and reliable connectivity across Azure Commercial and Azure IL5 / IL6 environments, including hybrid integrations, utilizing automation tools like Ansible or PowerShell scripts to streamline repetitive admin tasks (provisioning new servers, configuring roles/features, or backing up system configurations. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Principal Engineer - FPGA/ASIC Design Rolls-Royce Holdings PlcPrincipal Engineer - FPGA/ASIC DesignWashington D.C., DC$152,033–$247,054 / yearRolls-Royce is looking for a Principal Engineer - FPGA/ASIC Design (Field Programmable Gate Arrays / Application Specific Integrated Circuit) Design Specialist to join our growing team. This is an exciting opportunity to work on flagship Rolls-Royce programs and play a vital role in solving some of the most complex and interesting technological challenges in the industry while being part of a global, multi-disciplinary team.
Principal Algorithm & Signal Processing Engineer STRPrincipal Algorithm & Signal Processing EngineerWashington, DC$206,000–$284,000 / yearOur engineers are empowered to pursue innovative technical ideas, engage directly with customers, lead multidisciplinary teams, and transform advanced research into prototype capabilities that address the nation's most challenging RF sensing and electronic warfare problems. We investigate cutting-edge technologies and collaborate with engineers across STR, academic researchers, and industry partners to develop practical solutions to RF sensing and counter-sensing challenges.
Principal Cribl Engineer Zp Group LlcPrincipal Cribl EngineerWashington, DCZachary Piper Solutions is seeking a cleared Principal Cribl Engineer to support a critical national security mission across multiple customer locations including Joint Base Anacostia-Bolling (JBAB), Washington, DC; College Park, MD; and Reston, VA. This is a senior-level engineering opportunity for a highly experienced technical leader who will serve as the principal authority for observability pipelines built on Cribl Stream and Cribl Edge.
Principal AI Engineer, Special Programs Space Exploration Technologies CorpPrincipal AI Engineer, Special ProgramsWashington, DC$220,000–$350,000 / yearITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
Principal Engineer, Software (R5285) Shield AI IncPrincipal Engineer, Software (R5285)Washington, DC$220,000–$330,000 / yearHivemind consists of four products: EdgeOS (C++ based high-performance middleware for autonomy development), Pilot (autonomy for the edge built atop EdgeOS; a models-based, modular and open architecture C++ codebase), Forge (Shield AI's AI Factory for the design, development, and testing of Hivemind Edge systems; a service-oriented architecture leveraged through an SDK, CLI, and web portal; a Go, Python, Typescript codebase), Commander (Software and hardware to support rich human-in-the-loop and human-on-the-loop interactions with the Hivemind; a C++-based back-end for interaction with Pilot; and a web-application UI for mission planning, command and control by operators implemented in a Typescript/React codebase). Work closely with the technical leads of Hivemind Commander (mission planning, command and control, air-ground communications) and Hivemind Design (configurations, test and evaluation, rehearsal, analysis) to enhance the user experience of their products.
Principal Engineer Systems Planning And Analysis, Inc.Principal EngineerWashingtonExperience may be in radio frequency and microwave design OR pulsed power and high voltage design; Experience in HPM weapon effects or electromagnetic interference analysis; Ten (10) years of experience planning, technically directing, coordinating, and controlling engineering activities associated with engineering support contracts; solving technical problems that arise from the development and design of various directed energy systems; and providing expert judgement and analysis for the design, development, integration, and implementation of technical products and systems; Ten (10) years of experience related to one or more of the following technology areas: RF sensors, HPM systems, image and signal processing, and modeling and simulation; Ten (10) years of experience with US Navy or other Armed Services' Weapon or Warfare Systems research and development programs; DoD Top Secret clearance with ability to receive TS/SCI and the ability to maintain clearance throughout employment. These capabilities support more than 100 Above Water Sensor, Undersea, and Combat System programs and projects within the Navy's Portfolio Acquisition Executive for Mission Systems, Maritime and Munitions, as well as clients at Naval Surface Warfare Center, Dahlgren Division, Naval Surface Warfare Center, Crane Division, and the Office of Naval Research.#FC #Dice.
Principal Software Engineer Recorded Future IncPrincipal Software EngineerWashington, DC$152,000–$228,500 / yearAs a Principal Software Engineer, you will work across application code and infrastructure to collect, transform, and deliver structured threat data: tracking malware infrastructure, phishing campaigns, spam networks, command-and-control systems, and more. What You'll Do: Data Pipeline Ownership: Design, build, and maintain scalable data pipelines that collect, transform, and deliver structured threat intelligence data powering the Security Intelligence Graph.
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 Software Engineer Alarm.comPrincipal Software EngineerWashington, DC$200,000–$250,000 / yearOur comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
Principal Cyber Defense Engineer Accenture Federal ServicesPrincipal Cyber Defense EngineerWashington, DCHands-on design and engineering experience with three or more cybersecurity tools and technologies such as (but not limited to): firewall security configuration and best practices, intrusion detection/prevention systems (IDS/IPS), endpoint protection, Security Information and Event Management (SIEM), Security Orchestration, Automation, and Response (SOAR), network security monitoring, Network micro-segmentation, Secure Access Service Edge(SASE), Cloud Native Application Protection Platform (CNAPP). The pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $126,300—$243,100 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people.
Principal Engineer - AI Platform & Operations Serko LtdPrincipal Engineer - AI Platform & OperationsWashington, DC$148,000–$210,000ML Infrastructure Mastery: Expert-level knowledge of model serving (e.g., Triton, vLLM, Ray Serve) and deep experience with Kubernetes and cloud ecosystems (AWS/GCP/Azure). When you join Serko, you become part of a team of passionate travellers and technologists bringing people together, using the world’s leading business travel marketplace.
Principal Engineer, Scada Engineering (Bess) InvenergyPrincipal Engineer, Scada Engineering (Bess)Washington, DC$155,000–$180,000 / yearThis role is accountable for defining and documenting control strategies and data interfaces between substation devices, generation resources, data centers, remote operation centers, and external entities, and for driving reliable data connectivity and control readiness from design, commissioning, and turnover. Monitor construction progress remotely and via on site visits, support resolution of field issues, attend in person meetings with stakeholders, and provide on-site programming and field support during commissioning when required.
Principal Solutions Engineer Boeing Employees' Credit UnionPrincipal Solutions EngineerWashingtonPartner Across Teams: Collaborate with architects, engineers, delivery teams, infrastructure partners, and business stakeholders to drive successful execution across interconnected systems. Through hands-on technical leadership, you’ll influence enterprise-wide design decisions, mentor engineering teams, and bring forward-thinking ideas that help BECU grow and differentiate itself in the market.
Principal Data Engineer Dragos IncPrincipal Data EngineerDCRemoteDetailed domain familiarity and prior experience in at least one data-heavy field / product market segment, especially relevant if knowledgeable in cybersecurity threat detections, threat intelligence, or ICS/OT operations. You will be working cross-functionally to create analytics and pipelines to discover IOCs on xOT assets within networks.
Principal AI Engineer, Special Programs Space Exploration TechnologiesPrincipal AI Engineer, Special ProgramsWashington, DC$220,000–$350,000 / yearITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
Principal Engineer, Survivability (R4608) Shield AI IncPrincipal Engineer, Survivability (R4608)Washington, DC$200,000–$310,000 / yearLead or support signature testing efforts, including indoor and outdoor RCS range tests, validation campaigns, and supplier-level hardware evaluations. With offices and facilities across the U.S., Europe, the Middle East, and the Asia-Pacific, Shield AI's technology actively supports operations worldwide.
Principal AI Platform Engineer - AI Center of Excellence Mastercard IncPrincipal AI Platform Engineer - AI Center of ExcellenceWashington, DC$195,000–$323,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. Lead RFI and RFP processes for AI infrastructure components, including CPU, GPU, storage, and networking, defining technical and commercial evaluation criteria, reviewing vendor responses, and driving fact based selection decisions in partnership with sourcing and finance teams.