Senior Cyber Security Engineer Cirrus Group ConsultingSenior Cyber Security EngineerMcLean, VirginiaTake ownership of key security priorities currently handled by senior technical leadership, helping create clear separation between core technology leadership and security leadership. The right person will help build and mature the company’s security function, strengthen real-world security posture, support customer and partner trust conversations, and become a visible leader in how the company thinks about privacy, security, and trust.
Cybersecurity Engineer SimVentions, IncCybersecurity EngineerDahlgren, Virginia$100,000–$156,000 / yearFull timeCompensation: Compensation at SimVentions is determined by a number of factors, including, but not limited to, the candidate’s experience, education, training, security clearance, work location, skills, knowledge, and competencies, as well as alignment with our corporate compensation plan and contract specific requirements. Requirements: Two (2) years program specific security engineering experience working with Navy afloat/tactical combat systems or five (5) years general security engineering experience.
Sr. PFAS Process Engineer Black & Veatch Holding CoSr. PFAS Process EngineerRichmond, VA$135,320–$271,176 / yearThe PFAS Regional Lead will provide subject matter expertise on compliance with the NPDWR and analytical methods for PFAS monitoring, development of protocols for rapid small-scale column testing and pilot testing, development and analysis of breakthrough curve models, and design and implementation of adsorption processes for PFAS treatment. Project Execution: Serve as a technical advisor with a deep understanding of PFAS regulations, rapid small-scale column testing and pilot testing,, development and analysis of breakthrough curve models, and design and implementation of adsorption processes for PFAS treatment, with support and guidance from PFAS Practice Leads.
Substation Commissioning Engineer - East Region Black & Veatch Holding CoSubstation Commissioning Engineer - East RegionVAVerification that Transmission Substation Equipment is commissioned in compliance with project contract and specification requirements, conforms to design operational feasibility, and is set up and tested per the supplier's requirements, within the engineer's discipline capacity. Functions in our group include safety, project field management, construction management, quality control, start up and decommissioning and field engineering.
Staff Engineer VB Spine LLCStaff EngineerLeesburg, VA$128,000–$136,000 / yearAs a Staff Engineer in our R&D function within the Spine division, you'll perform complex implant and instrument design work, lead significant projects, and collaborate with cross-functional teams to bring innovative spinal products from concept through commercialization. At VB Spine, join a high-performing team, benefit from peer and executive mentorship, and play a significant role in designing innovative spinal implants and instruments that improve patient lives.
Digital Pathology Field Service Engineer TD SYNNEX CorpDigital Pathology Field Service EngineerRichmond, VAWe are looking for highly skilled and customer-focused Field Service Engineers to support our cutting-edge digital pathology systems in clinical environments. Connect with Your Community: Participate in internal, peer-led inclusive communities and activities, including business resource groups, local volunteering events, and more environmental and social initiatives.
Senior Engineer, Application Security CventSenior Engineer, Application SecurityTysons Corner, VirginiaFull timeLead the development of security agents and AI tooling — define the architecture for LLM-integrated workflows (via APIs and MCP connectors), set patterns for tool/function design, and decide build-vs-buy across the toolchain. This isn't someone who just uses AI tooling — it's someone who architects it: agentic systems that automate threat modeling end to end, AI-assisted vulnerability management, and self-serve security capabilities that change how an engineering org works.
Modernization Engineer (Mid-level) Spear AIModernization Engineer (Mid-level)Manassas, VirginiaWhether you’re joining our Hardware, Software, or Services division, you’ll work alongside talented professionals who are committed to excellence and advancing the capabilities that keep our nation safe and secure. We operate with a flat organizational structure that empowers every team member to make an impact, collaborate directly with leadership, and contribute to projects that matter.
R&D Engineer / Scientist AdvanSix IncR&D Engineer / ScientistChester, VA$95,000–$142,600 / yearAdvanSix plays a critical role in global supply chains, innovating and delivering essential products for our customers in a wide variety of end markets and applications that touch people's lives, such as building and construction, fertilizers, plastics, solvents, packaging, paints, coatings, adhesives, and electronics. AdvanSix strives to deliver best-in-class customer experiences and differentiated products in the industries of nylon solutions, chemical intermediates, and plant nutrients, guided by our core values of Safety, Integrity, Accountability and Respect.
Senior Payload Computer Systems Engineer Iridium Communications IncSenior Payload Computer Systems EngineerLeesburg, VA$140,000–$180,000 / yearAs a Payload Computer Systems Engineer, you will work among a diverse engineering and analysis team to perform design, testing, on-orbit checkout and monitoring, anomaly resolution and hardware longevity efforts of satellite payload computer hardware and software for the Iridium satellite constellation. People across the globe, including first responders, humanitarians, global militaries, scientific researchers, and lone workers, as well as ships, aircraft and remote operations all rely on Iridium to stay connected.
Cleared DevOps Lead Engineer Hybrid Cisco Systems IncCleared DevOps Lead Engineer HybridHerndon, VA$146,700–$214,800 / yearThe Cisco Workspace for Government Team is in search of an exceptional Lead DevOps Engineer with a real passion for building tools, implementing CI/CD, improving processes, and developing great teams and taking on and solving important problems for both Cisco and our customers. Self-starter with a willingness to ask forgiveness, not permission, who has a proven track record of collaborating in agile teams, participating in code reviews, leading technical discussions, and interfacing directly with clients to deliver high-quality features on schedule.
Senior Fire Protection Engineer - Buildings Black & Veatch Holding CoSenior Fire Protection Engineer - BuildingsArlington, VAThe Mechanical Engineering Department is a global team that delivers high quality, on time design and services projects in the areas of Power, Gas, Fuels & Chemicals, Water and Waste Water, Data Centers, and Mining including everything Mechanically related to Process and Power (from Conventional, Combined Heat and Power, Hydro, Hydrogen, Nuclear, Solar/Renewable, LNG, Ammonia, Fertilizer) projects to specialized Air Quality Control, HVAC, Fire Protection, Piping, Thermal and Renewable performance estimating and testing. All applicants must be able to complete pre-employment onboarding requirements (if selected) which may include any/all of the following: criminal/civil background check, drug screen, and motor vehicle records search, in compliance with any applicable laws and regulations.
Senior Software Engineer Iridium Communications IncSenior Software EngineerLeesburg, VAPeople across the globe, including first responders, humanitarians, global militaries, scientific researchers, and lone workers, as well as ships, aircraft and remote operations all rely on Iridium to stay connected. For over 20 years, Iridium's unique network and services have supported critical communications needs for individuals, businesses, and the evolving Internet of Things.
Systems Engineer I Iridium Communications IncSystems Engineer IReston, VAIn this role, you'll apply systems engineering principles to help analyze, design, and integrate ground and satellite systems, while learning from experienced team members and gradually increasing your technical responsibilities. People across the globe, including first responders, humanitarians, global militaries, scientific researchers, and lone workers, as well as ships, aircraft and remote operations all rely on Iridium to stay connected.
Software Engineer III Iridium Communications IncSoftware Engineer IIIReston, VAAs a Software Engineer III, youll independently deliver high-quality work and drive projects and deliverables to completion, including the development, enhancement, and maintenance of software solutions that support ground system operations. What Were Looking For: If you enjoy learning about and working with breakthrough technologies, and are enthusiastic about working in the space industry, then you will be excited about the Software Engineer III opening with Iridium for a Space Development Agency (SDA) project.
Principal Solutions Engineer BetterUp IncPrincipal Solutions EngineerArlington, VARemote$198,800–$248,500 / yearAs Principal Solutions Engineer, youll be a trusted advisor to our executive leadership team, the single-threaded owner of platform-defining engagements, and a recognized technical voice in enterprise HR Tech that opens doors before a deal ever begins. Bring a proprietary external network into BetterUp - CIO, CISO, and CFO-level relationships that exist before a deal starts and persist after it closes, accelerating enterprise pipeline in ways no internal team member can replicate.
Staff Solutions Engineer BetterUp IncStaff Solutions EngineerArlington, VARemote$165,200–$206,500 / yearWhat you'll do: Serve as technical architect on BetterUps largest and most strategic opportunities - Key Accounts, Strategic Enterprise, and Government deals ($2M-$15M+), owning the full pre-sales cycle from discovery through handoff. Build the business case in CFO and COO terms: structure ROI narratives, model value independently, and position BetterUps platform in language that resonates outside the People function.
Senior Integration and Test Engineer Iridium Communications IncSenior Integration and Test EngineerReston, VA$120,000–$155,000 / yearExperience with Network Management pertains to continuously supervising and controlling all links and nodes across the space segment (LEO/MEO/GEO satellites and intersatellite links) and the ground segment (gateways, teleports, user terminals, terrestrial backhaul). Experience with Mission planning, in the context of satellite ground and space systems, is the set of processes, tools, and rules used to translate mission objectives into time-ordered, constraint compliant timelines of spacecraft, payload, and ground activities (including data collection and routing opportunities) across the full mission lifecycle.
Principal Network Engineer Iridium Communications IncPrincipal Network EngineerMcLean, VAYou will be responsible for managing multiple activities and projects, collaborating across functional teams, that include designing, implementing, managing, maintaining, and troubleshooting networking and security hardware, protocols, and features necessary to ensure a reliable and scalable network infrastructure. Utilizes critical thinking skills and an in-depth evaluation of complex factors to identify, design, and present innovative and creative solutions from concept through completion to support Local Area Networks and Wide Area Networks across multiple sites.
Senior Cloud DevSecOps Engineer Iridium Communications IncSenior Cloud DevSecOps EngineerReston, VAIn this role, you will leverage your technical expertise to implement secure, scalable, and automated cloud solutions, contribute to software architecture and deployment strategies, and collaborate across multidisciplinary engineering teams to deliver reliable software and infrastructure. What We're Looking For: If you enjoy solving complex technical challenges and developing high-quality cloud-native software solutions in a collaborative engineering environment, then you will be excited about the Senior Cloud DevSecOps Engineer opportunity with Iridium.
Engineer, Network Cogeco Inc.Engineer, NetworkKing George, VA$69,900–$104,900 / yearInitiate quality control to ensure consistent operational parameters for optimizing all dedicated fibre associated equipment to ensure guaranteed customer speeds are delivered 24X7 and there is sufficient data bandwidth delivery at the input to the edge networks that does not exceed maximum agreed parameters. LOCATION: This hybrid position is open to individuals residing within the organization's footprint, which includes the following locations: Connecticut, Delaware, Florida, Maine, Maryland, Massachusetts, New Hampshire, Ohio, Pennsylvania, South Carolina, Virginia, and West Virginia.
Senior Ground Systems Development Engineer, Product Owner Iridium Communications IncSenior Ground Systems Development Engineer, Product OwnerReston, VAWhat You'll Do: Contribute to the Technical Roadmap and support the design, implementation, and operation of the GEP Site Controller (GSC) and associated software/hardware components required to meet the SDA PWSA (Proliferated Warfighter Space Architecture) mission objectives. As a Product Owner on the Ground System Development team, you'll be responsible for identifying and autonomously implementing ideas and solutions, including those with cross-functional teams, to deliver customer-driven Ground System Management Systems.
Cloud Architecture & Modernization Next Gen Technology Engineer Peraton IncCloud Architecture & Modernization Next Gen Technology EngineerReston, VA$135,000–$216,000 / yearRequired Qualifications: A minimum of 8+ years of experience with a BS/BA in Computer Science, Information Technology, Systems Engineering, Software Engineering, or related field; OR 6+ years with MS/MA in Computer Science, Information Technology, Systems Engineering, Software Engineering, or related field; OR 3+ years with PhD in a related field. Within Peraton''s Space and Mission Solutions sector, there is an immediate need for a Cloud Architecture & Modernization emergent technologist to lead cloud transformation initiatives across our US Intelligence and Space Community portfolio.
Forward Deployed Data Engineer (Manassas, VA / Senior) [Secret] Spear AIForward Deployed Data Engineer (Manassas, VA / Senior) [Secret]Manassas, VirginiaWhether you’re joining our Hardware, Software, or Services division, you’ll work alongside talented professionals who are committed to excellence and advancing the capabilities that keep our nation safe and secure. We’re growing responsibly — We have the resources to hire a lot more people, but we don’t want to build a massive team of people who don’t share our values.
Customer Engineer, AI Solutions NitraCustomer Engineer, AI SolutionsWashington D C, DCThe team is backed by some of the world's leading VCs (Andreessen Horowitz, NEA, etc.) and is supported by an expert group of advisors including the cofounders of Square and Xendit, executives from Intuit, former Governors, White House senior staffers, and a co-founder of CityMD. This role sits at the intersection of Sales, Customer Success, Product, and Engineering and will be responsible for helping healthcare practices successfully evaluate, implement, adopt, and expand Nitra's AI software platform.
Senior Backend Engineer NitraSenior Backend EngineerWashington D C, DCThe team is backed by some of the world's leading VCs (Andreessen Horowitz, NEA, etc.) and is supported by an expert group of advisors including the cofounders of Square and Xendit, executives from Intuit, former Governors, White House senior staffers, and a co-founder of CityMD. Nitra maintains a hybrid work policy, with team members working from the office four days per week and Wednesdays designated as a work-from-home day.
Backend Engineer NitraBackend EngineerWashington D C, DCThe team is backed by some of the world's leading VCs (Andreessen Horowitz, NEA, etc.) and is supported by an expert group of advisors including the cofounders of Square and Xendit, executives from Intuit, former Governors, White House senior staffers, and a co-founder of CityMD. Nitra maintains a hybrid work policy, with team members working from the office four days per week and Wednesdays designated as a work-from-home day.
Network Engineer - TS/SCI w/ Poly GD Information TechnologyNetwork Engineer - TS/SCI w/ PolyHerndon, VirginiaManage and allocate network installation and engineering tasks, configure and maintain communications systems, familiarity with implementation of LAN and WAN equipment including firewalls, servers, workstations, routers, switches, hubs, storage devices, A/V equipment and equipment racks. Candidate should be able to define internal and external customer IT infrastructure architecture needs and then design solutions to meet those needs to include: capacity planning, systems configuration and tuning, monitoring backups, and installations of hardware and software.
Senior Automation and Test Engineer Iridium Communications IncSenior Automation and Test EngineerReston, VA$120,000–$160,000 / yearExperience with Network Management pertains to continuously supervising and controlling all links and nodes across the space segment (LEO/MEO/GEO satellites and intersatellite links) and the ground segment (gateways, teleports, user terminals, terrestrial backhaul). Experience with Mission planning, in the context of satellite ground and space systems, is the set of processes, tools, and rules used to translate mission objectives into time-ordered, constraint compliant timelines of spacecraft, payload, and ground activities (including data collection and routing opportunities) across the full mission lifecycle.
Embedded Software Engineer III Iridium Communications IncEmbedded Software Engineer IIIMcLean, VA$100,000–$130,000 / yearWhat You'll Need to Succeed: Bachelor's degree in electrical engineering, computer engineering, or a related technical field with 5+ years of relative software experience, including: 3+ years' experience developing embedded software, preferably for microcontrollers. People across the globe, including first responders, humanitarians, global militaries, scientific researchers, and lone workers, as well as ships, aircraft and remote operations all rely on Iridium to stay connected.
Network Engineer/Architect Career ListingsNetwork Engineer/ArchitectFt Belvoir, VAFull timeBachelor’s degree in Computer Science, Electrical/Network Engineering, Information Systems, or a related technical discipline with 8-12 years of relevant experience, OR a Master’s degree with 6-10 years of relevant experience. Implement and manage network access control (NAC) using Cisco Identity Services Engine (ISE), including device profiling, posture assessment, and policy enforcement to support a Zero Trust architecture.
NewData Engineer County of SpotsylvaniaData EngineerSpotsylvania, VA$91,919.43–$130,525.62 / yearBachelors Degree in Computer Science, Information Systems, Engineering, Data Science, or a related field; supplemented with at least five (5) years of previous experience in systems automation, data integration, data administration, data engineering, or data analytics; or any equivalent combination of education, training and experience which provides the requisite knowledge, skills, and abilities. Position works directly with assigned business areas and alongside project managers and systems engineers to integrate line-of-business applications, automate data movement, and deliver reporting and analytics that support operational decision-making.
NewOperations Engineer II (Overnight/3rd Shift) Iridium Communications IncOperations Engineer II (Overnight/3rd Shift)Leesburg, VA$80,000–$100,000 / yearWork collaboratively with the team on detection and recovery of issues within the Iridium and/or Hosted Payload ground system applications; monitoring and initial troubleshooting of Iridium remote teleport antennas; monitoring of the Iridium Wide Area Network (WAN), and escalate issues to Tier 2 support as appropriate. What You'll Need to Succeed: Bachelor's degree in Engineering, Computer Science, or related field OR equivalent relevant experience in a network operations or spacecraft operations environment in lieu of degree.
Network Engineer SME - TS/SCI w/Polygraph GD Information TechnologyNetwork Engineer SME - TS/SCI w/PolygraphHerndon, VirginiaManage and allocate network installation and engineering tasks, configure and maintain communications systems, familiarity with implementation of LAN and WAN equipment including firewalls, servers, workstations, routers, switches, hubs, storage devices, A/V equipment and equipment racks. Candidate should be able to define internal and external customer IT infrastructure architecture needs and then design solutions to meet those needs to include: capacity planning, systems configuration and tuning, monitoring backups, and installations of hardware and software.
NewNetwork Engineer - TS/SCI w/Polygraph GD Information TechnologyNetwork Engineer - TS/SCI w/PolygraphHerndon, VirginiaManage and allocate network installation and engineering tasks, configure and maintain communications systems, familiarity with implementation of LAN and WAN equipment including firewalls, servers, workstations, routers, switches, hubs, storage devices, A/V equipment and equipment racks. Candidate should be able to define internal and external customer IT infrastructure architecture needs and then design solutions to meet those needs to include: capacity planning, systems configuration and tuning, monitoring backups, and installations of hardware and software.
Network Engineer SME (Ts/Sci With Poly Required) GCI IncNetwork Engineer SME (Ts/Sci With Poly Required)Northern Virginia, VAThe employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. As a Network Engineer SME, a typical day will include the following duties/skills: The ideal candidate is responsible for managing security solutions, basic network monitoring, patch management, and other security tasks as assigned.
Network Security Engineer CredenceNetwork Security EngineerMcLean, VA$130,000–$155,000 / yearSupport audit readiness and compliance for CMMC Level 2 and SOC 2, including maintaining network-layer controls in the System Security Plan (SSP), providing firewall and network evidence for assessments, and contributing to ISSO functions as needed. Experience with network monitoring and management platforms such as PRTG Network Monitor, network documentation tools such as NetBox, and network automation and configuration management tools such as Ansible.
Computer Network Engineer Obsidian Solutions Group LLCComputer Network EngineerVAMust have experience in the following: configuring, designing, and maintaining Window servers; designing, configuring, and testing personal computer and network software components in a laboratory environment; programming software and command line interfaces; and setting up patch management software and backup management solutions. A career at Obsidian Solutions Group means you can put your expertise, credentials, and talents to great use working with customers in the DOD and Intelligence Community, while enjoying the excitement of working in a fast-growing organization committed to making a difference for our customers and in our community.
Senior Network Engineer Nomad SolutionsSenior Network EngineerGainesville, VirginiaResponsible for local and wide area network configuration, management of customer infrastructures, systems planning, capacity planning, testing and validation. The Senior Network Engineer designs, builds, deploys, installs, troubleshoots and provides support for network systems and related cloud services.
Technical Support Engineer, Axon 911 Axon Enterprise IncTechnical Support Engineer, Axon 911Sterling, VAAt least 5+ years of experience as a Technical Support Engineer (Tier-2/Tier-3) or in a similar role within a SaaS, public safety, or mission-critical environment, with a demonstrated ability to collaborate cross-functionally, troubleshoot complex technical issues, and take strong ownership of customer outcomes and operational responsibilities. As a member of the Global Operations team, you will work directly with customers, partners, and cross-functional teams across Engineering and Customer Operations to support and maintain a complex SaaS infrastructure while adhering to strict SLAs.
Senior Network Engineer Competitive Range Solutions, LLCSenior Network EngineerArlington, VACompetitive Range Solutions requires the expertise of a talented and experienced Senior Network Engineer to assist in the direction and management of the program's executive support group. Prepare the Rapid Response Team Monthly Report detailing work performed, including man-hours and materials spent supporting the month's requirements.
Network Engineer- TS/SCI Clearance V2X IncNetwork Engineer- TS/SCI ClearanceChantilly, VAWe are seeking a Network Engineer with an active TS/SCI with Polygraph clearance who will be responsible for transport network design and engineering, network routing protocols, and advanced virtual networking technologies in a timely and effective manner. This commitment, aligned with our core Vision and Values of Integrity, Respect, and Responsibility, allows us to leverage differences, encourage innovation, and expand our success in the global marketplace, ultimately enabling us to best serve our clients.
DevSecOps Pipeline Engineer MaximusDevSecOps Pipeline EngineerRichmond, VAFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Hands-on experience with DevSecOps toolchains, including code quality (SonarQube), security scanning (Checkmarx), artifact management (Nexus), and automated testing tools.
NewVideo Teleconference Engineer Geospatial And Cloud Analytics IncVideo Teleconference EngineerQua, VAFull timeThis role requires hands-on experience with AV system integration, VTC call support, and the administration of UC platforms in a dynamic and security-conscious enterprise setting. Geospatial and Cloud Analytics (GCA) is looking for a VTC/VoIP Engineer to support the daily operations of secure conference and collaboration environments.
Cloud Platform Engineer MaximusCloud Platform EngineerTysons, VARemoteFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Support cloud platforms that enable VoIP, VTC, and real-time communications systems, ensuring reliability, performance, and operational continuity.
Network Engineer Framatome North AmericaNetwork EngineerLynchburg, Virginia$85,000–$116,000 / yearFull timeHealth & Wellness: Multiple medical plan options, dental & vision coverage, life insurance, long- and short-term disability, and optional supplemental plans (critical illness, accident, hospital indemnity, dependent life). From our facilities in Virginia, Washington, North Carolina, Pennsylvania, Massachusetts and beyond, we deliver outage services, advanced nuclear fuel technologies, and next-gen reactor innovations that keep the lights on.
Software Engineer, Platform - Reston, VA, USA SpeechifySoftware Engineer, Platform - Reston, VA, USAReston, VAOver 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. The responsibilities of our Platform team include building and maintaining all backend services, including, but not limited to, payments, analytics, subscriptions, new products, text to speech, and external APIs.
Software Engineer, iOS Core Product - Alexandria, VA, USA SpeechifySoftware Engineer, iOS Core Product - Alexandria, VA, USAAlexandria, VAWith the growth of our iOS app, being the #18 productivity app in the App Store category and also our recent recognition as Apple's 2025 Design Award for Inclusivity, we find the need for a Senior iOS Engineer to help us support the new user base as well as work on new and exciting projects to push our missing forward. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more.
Software Engineer, Data Infrastructure & Acquisition - Richmond, VA, USA SpeechifySoftware Engineer, Data Infrastructure & Acquisition - Richmond, VA, USARichmond, VAOver 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.
Senior Software Engineer, Windows/Desktop Applications - Arlington, VA, USA SpeechifySenior Software Engineer, Windows/Desktop Applications - Arlington, VA, USAArlington, VAThese include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. 3+ in Windows desktop application development using Windows App SDK, WinUI (or similar), C#, XAML — and ideally additional experience with native Windows code (C++, Win32/WinRT/COM).