Principal Information System Security Engineer (ISSE) Redhorse CorporationPrincipal Information System Security Engineer (ISSE)Chantilly, VAFull timeActual compensation will be determined based on a variety of factors, including relevant experience, education, certifications, skills, security clearance level, geographic location, market conditions, and internal equity. We’re looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets.
Building Enclosure Associate Principal ECS LtdBuilding Enclosure Associate PrincipalHanover, Maryland$105,000–$150,000 / yearECS is currently ranked #60 in Engineering News-Record’s Top 500 Design Firms (April 2026), #148 in Engineering News-Record’s Top 200 Environmental Firms (October 2025) and #38 in Zweig Group’s Hot Firm List (June 2026). You will work closely with clients and multidisciplinary project teams to evaluate building envelope performance, support construction quality, and deliver practical consulting solutions across a variety of facility types.
Principal Full-Stack Developer LeidosPrincipal Full-Stack DeveloperMarylandThe mission encompasses provisioning and configuring AWS resources; implementing enterprise data warehousing solutions; deploying and integrating Tableau and Power BI; developing core corporate dashboards and analytics; and enabling advanced analytics, analytic watermarking, sandbox environments, and pilot initiatives. Mission Focus : Collaborate closely with customers to Design, develop, deploy, and sustain a production-ready Business Intelligence, data warehousing, and advanced analytics environment leveraging Python, Java, R, and AWS cloud technologies.
Principal Product Operations Manager Socure IncPrincipal Product Operations ManagerWashington DC, DCThis role sits at the center of that discipline, owning four things: the tools and systems product teams plan and work in, the reporting and analytics that give everyone visibility into whats happening, the process that makes planning and delivery repeatable instead of reinvented pod by pod, and the ongoing work of keeping strategy and execution connected as priorities shift. Centralize and facilitate Product Performance metrics definition, telemetry builds, and availability to central data and BI teams, and coordinate dashboard and reporting builds with the central Business Intelligence team to enable deeper insights and faster decision making for the Product Team.
Principal Mission Architect - SSC/Space Force Muon Space incPrincipal Mission Architect - SSC/Space ForceVA$220,000–$250,000 / yearTo conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. Space Systems Command), who can work with customers to identify their true needs, manage a team of engineers to develop a cost-effective solution, and perform a range of mission-level analyses, develop requirements, and design a practical and cost-effective space mission.
Principal Java Developer - Partial Telework - FS Poly stanleyreidPrincipal Java Developer - Partial Telework - FS PolyAnnapolis Junction, MarylandRelevant qualifications:-Master's Degree in Computer Science or similar-14+ years of professional experience-Experience with Java development-Experience with Spring-Experience with Maven Desired skills -Experience with cloud technologies-Experience with microservices-Experience DevOps tools -Experience with system design The work is location is in Annapolis Junction, MD and allows for partial remote work (approx 2 days per week). Founded by engineers, they've been tackling complex missions for over 15 years while prioritizing "good technology" — solutions that excel in user experience, long-term value, and ethical considerations.
Principal Reverse Engineer Webster & Webster AssociatesPrincipal Reverse EngineerChantilly, VirginiaTitle: Senior Reverse Engineer - Embedded SecurityEmployment Type: Direct HireLocation: Maryland / Washington, DC / Northern Virginia, USALocation Type: OnsiteRelocation: YesCompensation:$150,000-$250,000 depending upon experienceJob ID: JO-2603-137303. Key Responsibilities Direct and mentor engineering teams through complex reverse engineering cycles to ensure high-impact project delivery.
Principal CNO Developer - Hybrid - TS stanleyreidPrincipal CNO Developer - Hybrid - TSArlington, VirginiaRelevant qualifications:-Experience with C/C++-Experience with Python-Experience with low-level programming-Experience with Linux or Windows kernel drivers Desired:-Experience with embedded platforms-Experience with reverse engineering (IDA Pro, Binary Ninja, etc.)-Experience with assembly-Experience with mobile platforms This role offer hybrid flexibility with a work location in Arlington, VA. Our client has deep expertise in Vulnerability Research, CNO Development, Reverse Engineering, and Penetration Testing.
Principal Java Developer - FS Poly stanleyreidPrincipal Java Developer - FS PolyAnnapolis Junction, MarylandApply online at https://careers.stanleyreid.com/ or contact our MD team for more info: mwhitford@stanleyreid.com, asmith@stanleyreid.com. You will be responsible for developing, maintaining, and enhancing complex software systems, with a focus on cutting-edge projects involving advanced sensor technology.
Principal CNO Developer - Hybrid - TS/SCI stanleyreidPrincipal CNO Developer - Hybrid - TS/SCIArlington, VirginiaRelevant qualifications:-Experience with C/C++-Experience with Python-Experience with low-level programming-Experience with Linux or Windows kernel drivers Desired:-Experience with embedded platforms-Experience with reverse engineering (IDA Pro, Binary Ninja, etc.)-Experience with assembly-Experience with mobile platforms This role offer hybrid flexibility with a work location in Arlington, VA. Our client has deep expertise in Vulnerability Research, CNO Development, Reverse Engineering, and Penetration Testing.
Principal Mechanical Engineer, NA Vantage Data CentersPrincipal Mechanical Engineer, NAAshburn, VAVantage is seeking a Principal Engineer, Mechanical Engineering to serve as a senior technical leader within the Design Engineering Department, driving innovation, quality, and performance across hyperscale data center projects. Developing and operating across North America, EMEA and Asia Pacific, Vantage has evolved data center design in innovative ways to deliver dramatic gains in reliability, efficiency and sustainability in flexible environments that can scale as quickly as the market demands.
Cost Segregation Senior Manager/Principal Withum Smith+Brown, PCCost Segregation Senior Manager/PrincipalTysons Corner, VA$150,000–$350,000 / yearAs a strategic leader within the Forensic & Valuation Services Group, this individual will be responsible for driving market growth, developing scalable processes, leading business development initiatives, mentoring team members, and collaborating with firm leadership to expand service offerings and client relationships nationwide. Our Cost Segregation professionals help clients maximize tax savings opportunities through engineering-based analyses of commercial, residential, manufacturing, hospitality, healthcare, and other real estate assets.
NewPrincipal Health Data Scientist Inovalon Holdings IncPrincipal Health Data ScientistBowie, MDServe as lead when working closely with Inovalon's Enterprise Data Management, Data Integration, MORE2 Registry, and iPORT+ teams to identify, understand, and resolve data issues and improve the efficiency, productivity and scalability of Avalere and Inovalon Product and production data processes. Duties and Responsibilities: Serve as lead for programming, analytics, and statistics when working collaboratively with teams of health services researchers and business analysts to draw insight and intelligence from large administrative claims datasets, electronic medical records and various healthcare registry datasets.
Principal Vulnerability Researcher - Hybrid - TS/SCI stanleyreidPrincipal Vulnerability Researcher - Hybrid - TS/SCIArlington, VirginiaRelevant qualifications:-Experience with reverse engineering -Experience with assembly languages (x86, ARM, etc.)-Experience with Python-Experience with debuggers and decompilers Desired:-Experience with program analysis tools-Experience with automated analysis-Experience defeating anti-RE techniques and mitigations This role offer hybrid flexibility with a work location in Arlington, VA. Our client has deep expertise in Vulnerability Research, CNO Development, Reverse Engineering, and Penetration Testing.
Principal Algorithm Engineer (EO/IR Image Analysis) Rocket Lab CorporationPrincipal Algorithm Engineer (EO/IR Image Analysis)Chantilly, VATo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Rocket Lab’s Space Systems division builds complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space including solar panels, flight software, star trackers, optical systems, separation systems, and radios.
Principal/Lead Business Analyst Cvent, Inc.Principal/Lead Business AnalystTysons Corner, VAThis role sits at the center of a fast moving, matrixed organization, partnering directly with Sales, Marketing, Customer Success, and Finance stakeholders to translate business needs into clear, testable requirements, and working side by side with our Development team to validate solutions before they are built. Founded in 1999, Cvent delivers a comprehensive event marketing and management platform for marketers and event professionals and offers software solutions to hotels, special event venues and destinations to help them grow their group/MICE and corporate travel business.
NewHR Reinvention Principal Director - Consumer Goods, Retail and Travel Accenture PlcHR Reinvention Principal Director - Consumer Goods, Retail and TravelArlington, VAWe work with C-suite executives, leaders and boards of the world's leading organizations, helping them reinvent every part of their enterprise to drive greater growth, enhance competitiveness, implement operational improvements, reduce cost, deliver sustainable 360° stakeholder value, and set a new performance frontier for themselves and the industry in which they operate. Design new HR operating models and service delivery frameworks for clients, infusing leading practices from areas such as employee experience, digital HR, shared services, and outsourcing.
Principal Operational Intelligence Analyst Accenture PlcPrincipal Operational Intelligence AnalystArlington, VAOur teams bring together deep industry expertise, advanced analytics, and threat intelligence capabilities to help clients anticipate and defend against emerging cyber threats. With access to innovative tools, continuous learning, and a global network of diverse talent, we help clients transform and operate at scale in a rapidly evolving digital landscape.
Principal Vulnerability Researcher - Hybrid - TS stanleyreidPrincipal Vulnerability Researcher - Hybrid - TSArlington, VirginiaRelevant qualifications:-Experience with reverse engineering -Experience with assembly languages (x86, ARM, etc.)-Experience with Python-Experience with debuggers and decompilers Desired:-Experience with program analysis tools-Experience with automated analysis-Experience defeating anti-RE techniques and mitigations This role offer hybrid flexibility with a work location in Arlington, VA. Our client has deep expertise in Vulnerability Research, CNO Development, Reverse Engineering, and Penetration Testing.
NewPrincipal Test Engineer LeidosPrincipal Test EngineerBethesda, MarylandCollaborate with team members (Scrum Master, Product Owner, Software Developers) to develop test approaches with emphasis on automation of recurring/regression test cases through selected toolsets. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.