NewSenior PostgreSQL Database Administrator System OneSenior PostgreSQL Database AdministratorWashington, VA$190,000 / yearExperience enforcing database security controls, including encryption, key management, and compliance-aligned auditing. Experience designing, implementing, managing, and tuning PostgreSQL databases in enterprise environments.
Senior Software Lead Developer - 163672 Zp Group LlcSenior Software Lead Developer - 163672Chantilly, VA
Data Science and Data Visualization Subject Matter Expert (SME) CACI International IncData Science and Data Visualization Subject Matter Expert (SME)Chantilly, VA$103,800–$218,100 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. The ideal candidate will have a strong background in statistics, machine learning, and data mining, with the ability to visualize and communicate complex data clearly and effectively.
Senior Software Engineer / Data Scientist (Training Systems) Leidos Holdings IncSenior Software Engineer / Data Scientist (Training Systems)Chantilly, VA$154,050–$278,475 / yearBachelors degree in Computer Science, Data Science, Software Engineering, Mathematics, Engineering, or related technical field with 8+ years of relevant experience and 15+ years overall experience; additional experience may be considered in lieu of degree. Familiarity with contemporary AI coding ecosystems and developer productivity tools such as Claude Code, OpenAI Codex, Cursor, OpenCode, GitHub Copilot, or similar platforms.
Senior Program Manager, Professional Services Hitachi Vantara LLCSenior Program Manager, Professional ServicesWashington, VA$165,000–$215,000 / yearThe Senior Program Manager will partner across Professional Services, Sales, Finance, Contracts, Human Resources, and technical teams to ensure engagements are delivered successfully while identifying opportunities to expand our support of federal customers. 10+ years of progressive project/program management experience delivering complex enterprise or federal IT solutions, including experience with software development, cloud, infrastructure, data engineering, and/or data transformation programs.
Senior Low-Code Developer Ampcus IncorporatedSenior Low-Code DeveloperChantilly, VAThe ideal candidate will have a strong background delivering enterprise applications and workflow solutions using modern low-code/no-code and Platform-as-a-Service (PaaS) technologies, with experience leveraging AI-enabled capabilities in scalable, secure, and user-centric solutions. Design, develop, and implement enterprise workflow and business process solutions using modern low-code/no-code and PaaS platforms (such as Appian, Power Platform, ServiceNow, Salesforce, OutSystems, Mendix, etc.).
Senior GEOINT History Program Specialist - Active TS/SCI ENS Solutions, LLCSenior GEOINT History Program Specialist - Active TS/SCIChantilly, VAENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. This individual leads the support to operate and maintain the material culture aspects of NGA’s history, to operate and maintain the archives and all associated material residing in the Historical Research Center, and to preserve and communicate NGA’s history to NGA’s employees and public affairs mission both internally externally.
Senior Network / Systems Engineer Amentum Services IncSenior Network / Systems EngineerChantilly, VA$215,000–$230,000 / yearAbility to perform Tier 3 operational maintenance on audit systems to include: system engineering, system administration, database management, backup administration, change configuration and management, policy creation, and certification and accreditation procedures (Senior level position). Minimum Requirements (Knowledge, Skills, and Abilities): Experience writing clear, concise, and user-friendly technical and training manuals or similar documentation to include documents required for A&A IAW ICD 503.
Senior Software Engineer Verite Group, Inc.Senior Software EngineerChantilly, VA$200,000–$270,000 / yearPay Range: At GRVTY, we understand that compensation is influenced by many factors-such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications. The Senior Software Engineer will be responsible for working within Cloud Services for the Sponsor, using Python, Javascript, and other tools to provide software development support.
Senior Data Engineer, Professional Services Hitachi Vantara LLCSenior Data Engineer, Professional ServicesWashington, VA$160,000–$205,000 / yearThe successful candidate combines strong software engineering and enterprise data engineering expertise with consulting skills to architect scalable solutions, mentor junior engineers, develop new service offerings, and deliver exceptional customer outcomes. This highly customer-facing role partners with Project Managers, Solution Architects, Sales Engineers, and customer technical teams to deliver complex professional services engagements leveraging Hitachi's Data Intelligence portfolio.
Senior Rf/Dsp Engineer AerovironmentSenior Rf/Dsp EngineerLeesburg, VA$128,000–$195,250 / yearThe engineer will characterize the waveform, design controlled experiments, determine which signal and protocol features can support detection or identification, implement the solution in C++, and validate its performance against real-world RF data - carrying the assignment from guided starting point to production-quality result. A typical assignment may begin with a newly encountered drone/controller pair, a collection of complex-IQ recordings, and technical guidance on approach and priorities from senior signal-processing staff.
Geotechnical Senior Project Manager ECS LtdGeotechnical Senior Project ManagerChantilly, Virginia$90,000–$120,000 / 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). What You'll Do: ECS Limited is seeking an experienced Geotechnical Senior Project Manager to manage key client projects in our Chantilly, VA office.
Construction Materials Senior Field Technician III ECS LtdConstruction Materials Senior Field Technician IIIChantilly, Virginia$25–$35 / hourField Activities : Perform observation, testing, sampling, and inspection of materials, including soils, aggregates, concrete, grout, masonry, asphalt, and structural steel placement on construction sites; Execute tasks based on project requirements under the guidance of other senior technicians, staff professionals, and project managers. Communication : Maintain daily communication with site contractors, other technicians, and project managers; Keep supervisor and project teams informed of changing site conditions and additional testing requested; Attend project meetings with senior staff as requested.
Facilities Assessment Senior Project Associate ECS LtdFacilities Assessment Senior Project AssociateChantilly, Virginia$90,000–$120,000 / 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). Perform Facility Condition Assessments (FCAs), including assessment management, data collection, inventory/database management, remaining useful life analysis, cost estimates, and capital planning updates.
Construction Materials Senior Field Technician II ECS LtdConstruction Materials Senior Field Technician IIChantilly, Virginia$25–$35 / hourField Activities : Perform observation, testing, sampling, and inspection of materials, including soils, aggregates, concrete, grout, masonry, asphalt, and structural steel placement on construction sites; Execute tasks based on project requirements under the guidance of other senior technicians, staff professionals, and project managers. Communication : Maintain daily communication with site contractors, other technicians, and project managers; Keep supervisor and project teams informed of changing site conditions and additional testing requested; Attend project meetings with senior staff as requested.
Senior Reverse Engineer Precision SolutionsSenior Reverse EngineerLeesburg, VirginiaThey develop proprietary, bare-metal security software and lead high-stakes research initiatives to protect critical infrastructure, defense assets, and global enterprise hardware from weaponized, low-level exploits. Operating like an elite, zero-bureaucracy research lab, they offer deep practitioners a pure, low-level reverse engineering environment focused on solving the industry's most complex binary-layer challenges.
CMT Senior Field Technician ECS LtdCMT Senior Field TechnicianChantilly, Virginia$29–$31 / hourField Activities : Perform observation, testing, sampling, and inspection of materials, including soils, aggregates, concrete, grout, masonry, asphalt, and structural steel placement on construction sites; Execute tasks based on project requirements under the guidance of other senior technicians, staff professionals, and project managers. Data Collection : Perform calculations and data reduction based on sampling, test results, and inspections; Engage in drafting and other administrative duties as required; Develop skills in documentation and prepare field reports that document site observations for field work performed.
NewAll-Source Intelligence Analyst, Senior Booz Allen Hamilton IncAll-Source Intelligence Analyst, SeniorChantilly, VA$86,800–$198,000 / year5+ years of experience working with Scientific and Technical Intelligence Center organizations, Service intelligence centers, DoW intelligence production organizations, national laboratories, or technical intelligence customers. Experience interpreting or applying Technical SIGINT, FME-derived data, intelligence reports, test data, engineering data, or all-source intelligence to characterize foreign threat-system performance and operational capability.
Artificial Intelligence Solutions Architect, Senior Booz Allen Hamilton IncArtificial Intelligence Solutions Architect, SeniorChantilly, VA$99,000–$225,000 / yearThe Opportunity: Designs and implements effective AI solution architecture or strategy utilizing approaches of various AI technologies and methods to address clients' business problems and needs, while complying with the organization's strategies and business goals, and key ethical considerations. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.
Senior Software Engineer AeroVironment IncSenior Software EngineerLeesburg, VA$91,000–$129,150 / yearReviews and approve product design decisions Designs, modifies, develops, writes and implements software applications as an individual contributor Design and implement embedded software drivers and applications on a micro-controller Verify and document product designs according to quality and regulatory guidelines Works in an Agile environment to coordinate software development projects including scope, scheduling and resourcing Participates in the testing process through test review and analysis, test witnessing and certification of software. Tests, analyzes, and debugs embedded software and digital electronics Frequently interacts with subordinate supervisors, customers and/or functional peer group managers, normally involving matters between functional areas Establishes and assures adherence to budgets, schedules and work plans.