90 Results for

Senior Science Jobs in Markham, VA

Jobs

Chantilly, Virginia23 days ago

Chantilly, VA28 days ago

Remote

$150,000–$200,000 Per Year

Our diverse talented staff of scientists, engineers, and business professionals support critical missions including Space Domain Awareness, Battlespace Awareness & Decision Support, Space Exploration & Science, and the establishment of core Space Infrastructure. DISCLAIMER: Trusted Space, LLC only uses the respective domains of trustedspace.com and trustedspace.us for official contact and any other domains are likely a scam and do not originate from our company.

Chantilly, Virginia30+ days ago

Obtain data through advanced computerized models, extrapolate data patterns through advanced algorithms, develop graphs and charts to explain how the information will influence the specific project or business, and present to managers how to best alter their business models to generate future trends, and discovering patterns and previously hidden insights. Apply a broad domain expertise to comprehend data origins and context in order to ensure consistency of data, merge data sources together, and help others to gain a better comprehension of data.

Culpeper, VA14 days ago

Remote

Reporting to the Director of Information Technology, this role leads complex business analysis efforts, translates business needs into clear and actionable requirements, and guides solutions from concept through delivery across ASWB's mission-critical systems. The Senior Business Analyst at ASWB serves as a strategic partner between business stakeholders, information technology, and external vendors, ensuring that technology solutions effectively support ASWB's mission and regulatory responsibilities.

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Ashburn, VA6 days ago

Demonstrated technical depth in at least four of the following disciplines: cybersecurity/compliance (FedRAMP/NIST), cloud solutions (AWS/Azure GovCloud), data analytics, enterprise IT modernization, DevSecOps/software integration, systems support, or network engineering. Post-Sales Solution Governance & Delivery (Execution Phase)Serve as the primary technical authority post-award, translating proposal concepts into authoritative architectural blueprints and production-ready system design documents (SDDs).

Chantilly, Virginia30+ days ago

ECS 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 #50 in Zweig Group’s Hot Firm List (May 2025). This role is designed for a proven rainmaker who thrives on building relationships, winning work, and expanding market presence—while leading teams to deliver exceptional results.

Chantilly, VA28 days ago

$165,000–$200,000 Per Year

Our diverse talented staff of scientists, engineers, and business professionals support critical missions including Space Domain Awareness, Battlespace Awareness & Decision Support, Space Exploration & Science, and the establishment of core Space Infrastructure. DISCLAIMER: Trusted Space, Inc. only uses the respective domains of trustedspace.com and trustedspace.us for official contact and any other domains are likely a scam and do not originate from our company.

Chantilly, VA28 days ago

$150,000–$200,000 Per Year

Chantilly, VA28 days ago

$165,000–$200,000 Per Year

Chantilly, VA28 days ago

$160,000–$230,000 Per Year

Our diverse talented staff of scientists, engineers, and business professionals support critical missions including Space Domain Awareness, Battlespace Awareness & Decision Support, Space Exploration & Science, and the establishment of core Space Infrastructure. DISCLAIMER: Trusted Space, Inc. only uses the respective domains of trustedspace.com and trustedspace.us for official contact and any other domains are likely a scam and do not originate from our company.

Manassas, VA17 days ago

$45–$55 Per Hour

This role is responsible for modernizing network infrastructure, ensuring high availability, and implementing secure, segmented architectures across critical systems. Design and implement segmented OT network architectures transitioning from flat Layer 2 environments to zone-based, SD-WAN-enabled networks.

Chantilly, Virginia30+ days ago

ECS 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 #50 in Zweig Group’s Hot Firm List (May 2025). Bachelor and/or Master of Science in Civil Engineering, Environmental Engineering, or other Engineering degree applicable to Environmental Consulting, Natural or Environmental Science, Geology, or other degree relevant to the practice of Environmental Consulting.

Manassas, VA30 days ago

This role will lead the development, selection, testing, and certification of advanced materials and processes for Electra's 9-passenger hybrid-electric eSTOL (electric short takeoff and landing) aircraft. Electra's Ultra Short aircraft will revolutionize air travel by bringing it closer to where we live, work, and play, making new connections possible.

Chantilly, VA9 days ago

With offices in Northern Virginia, Melbourne, Florida, Tel Aviv, Israel, and other strategic locations, REDLattice is growing rapidly to meet the evolving needs of our customers. REDLattice is seeking a Senior Software Engineer to support vulnerability research and reverse engineering efforts focused on vehicle-related technologies and systems.

Chantilly, Virginia23 days ago

Stafford, VA9 days ago

Bachelor’s Degree in any field and successful completion of three semester hours of calculus and twenty-one semester hours in operations research, economics, math, chemistry, physics, or other sciences, where the utilization of advanced math skills in geometry, trigonometry, statistics, probability, or quantitative analyses. As a Kalman Analyst, you will work with military leaders, engineers, developers, technicians, logisticians, and financial managers to collect, analyze, and communicate information that will help ensure the success of programs that are critical to the United States Department of Defense and our allies.

Chantilly, Virginia10 days ago

$146,000–$234,000 Per Year

Bachelor’s degree or higher in Computer Science, Information Technology, Engineering, Engineering Management, Management Information Systems, or a related STEM field; or equivalent experience (4 additional years with no degree, or 2 additional years with a non-STEM degree). Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.

Chantilly, Virginia22 days ago

$112,000–$179,000 Per Year

Whether you’re supporting safety validation efforts or leading teams on major FAA programs, your work will directly impact the millions of passengers and aviation professionals who rely on safe, efficient airspace operations every day. The ideal candidate will design modern IP-based network architectures, ensure scalability, security, and technical consistency, and provide oversight of subcontractor activities to prevent design and integration issues.

Chantilly, Virginia10 days ago

$112,000–$179,000 Per Year

Bachelor’s degree or higher in Computer Science, Information Technology, Engineering, Engineering Management, Management Information Systems, or a related STEM field; or equivalent experience (4 additional years with no degree, or 2 additional years with a non-STEM degree). Qualifications: Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.

Chantilly, VA20 days ago

Full-time

This position leads and manages the work of a large government and contractor team conducting space systems engineering and integration activities to include, but not limited to, major design reviews, requirement management and verification, risk identification and mitigation, technical analysis supporting design trades, segment-level Concept of Operations development, advanced studies, pre-acquisition and acquisition activities, system activation and calibration, ground segment integration and interface management with external segments. This position meets the qualifications for Defense Civilian Intelligence Personnel System (DCIPS) Targeted Local Market Supplement (TLMS) STEM pay for NRO Cadre employees and candidates as authorized by the office of the Under Secretary of Defense for Intelligence and Security’s (OUSD(I&S)).

Dulles, Virginia30+ days ago

The ideal candidate is a recognized cybersecurity authority with advanced technical expertise in the Department of War (DoW) Risk Management Framework (RMF) process and experience collaborating with the government to design and maintain secure, complex solutions. From our locations across the DC Metro area, Hampton, Virginia, and Huntsville, Alabama, we provide technological subject matter expertise, program management and business process knowledge as a trusted advisor in support of our Department of Defense and other Federal Agency customers.

Chantilly, Virginia9 days ago

Overview: AMERICAN SYSTEMS is seeking a Senior Security Cloud Architect to design and lead secure cloud architectures supporting high‑impact national security missions in Chantilly, VA. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

New!

Ashburn, VA6 days ago

Remote

Full-time

Professional CertificationsAWS Certified Developer – Associate requiredYears of Professional Experiencen/aDesired experienceElectronic Data Interchange X.12 (EDI) Medical ClaimsX.12, Medical Claims (837, 835, 277CA, etc), Health Level (HL7), Fast Healthcare Interoperability Resources (FHIR). An understanding of the limitations, risks, and compliance considerations associated with AI-assisted development in regulated environmentsFormal EducationBachelor’s degree or higher in Computer Science, Engineering, or a related technical discipline; equivalent practical experience consideredCitizenship RequirementU.S.

Ashburn, VA8 days ago

Remote

Full-time

Professional CertificationsAdvanced certifications in testing or quality assurance (e.g., International Software Testing Qualifications Board (ISTQB), Certified Software Testing Engineer (CSTE), Certified Software Quality Analyst (CSQA))Years of Professional Experience10 or more years of total work experience. A familiarity with cloud-based testing platforms (e.g., Amazon Web Services (AWS) and Azure)Formal EducationBachelor’s Degree in Computer Science, Information Technology, Engineering, or a related field and 10 or more years of experience.

Ashburn, VA7 days ago

Remote

Full-time

Advanced certifications in relevant areas (e.g., Red Hat Certified Engineer, Microsoft Certified Systems Engineer, AWS Certified Solutions Architect)Formal EducationBachelor’s degree in Computer Science, Information Technology, Systems Engineering, or a related fieldCitizenship RequirementU.S. Detect, isolate, document, rapidly report, and resolve system outages or problems encountered during operations of the scientific workstations, which includes the collections of diagnostic data, restoring the system operation, development of workarounds, and other activities necessary for recovery of a system.

Chantilly, Virginia30+ days ago

Guide cross-agency teams in integrating advanced technologies (e.g., motion imagery, persistent surveillance, ABI) across R&D and operational programs. Extensive experience in organizational leadership, including Chief of Staff roles and director-level support across research and technical offices.

Chantilly, Virginia30+ days ago

The ideal candidate will bring a proven track record of building and implementing ETL processes, with a keen eye for optimizing data for various enterprise applications. You will leverage your expertise in Python and SQL to condition and normalize both raw and structured data, enhancing its usability and searchability within downstream enterprise tools.

Manassas, Virginia30+ days ago

Overview: VTG is seeking a Senior Associate Software Engineer with specific skills to optimize our Python-based software for modeling sonar array performance and other tactical use cases. Conceive, develop, and evaluate novel engineering solutions to address the unique requirements.

Chantilly, Virginia7 days ago

Overview: We are seeking an experienced Senior Network Engineer to support a mission-focused enterprise environment, responsible for designing, implementing, and troubleshooting secure network and cloud infrastructure solutions. The ideal candidate will work across AWS environments and hybrid architectures, supporting system reliability, performance, and security through modern networking and DevOps practices.

Chantilly, Virginia30+ days ago

Experience in automating installation, monitoring, and O&M tasks using Linux scripting or Python • Experience working with Terraform, Docker and Kubernetes • Experience with Cron, iptables, permissions • Experience with OpenVPN, SELinux, Network File System (NFS) and Common Internet File System (CIFS) • Knowledge of web services, API, REST and RPC • Strong awareness of networking and internet protocols, including TCP/IP, DNS, SMTP, HTTP and distributed networks • Extensive experience with open-source technology, software development and system engineering • Experience with VMware technologies, to include vSphere 7/8, VSAN, and specifically VMware Horizon View Virtual Desktop Infrastructure • Proficiency in data security technologies, including encryption tools, access control mechanisms, and other data-centric security tools Desired Requirements: • System Administration and IT certification in Linux, Microsoft, or other network related fields • Proficiency in data security technologies, including encryption tools, access control mechanisms, and other data-centric security tools • Understanding of Windows Active Directory, as well as the ability to configure/edit Windows Active Directory and Domain Services. Overview: Byte Systems, a subsidiary of VTG, is seeking a Senior DevOps Engineer.

Manassas, Virginia26 days ago

The Senior Field System Network Architect is responsible for designing, implementing, and maintaining the architecture of field system networks supporting the I-66 Express Mobility Partners concession. Support and monitor all aspects of system operations, maintenance, reliability, testing, rollout, upgrades, and general administration for the I-66 concession, including data centers, communications, hardware, software, and the TMC.

Middletown, VA30+ days ago

Remote

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job, including moderate noise level, an indoor temperate environment, and light levels that are bright and conducive to minimal eye strain, typical for an office environment. The ideal candidate will have demonstrated expertise in line layouts, fixture design, 3D printing, and project management, with a preference for experience in high-speed fill-finish lines and filling and capping equipment (though not essential).

Arcola, VA30 days ago

Tasks include regularly scheduled production activities involving the hands-on build-up and integration of electronic equipment, completion of acceptance tests, troubleshooting hardware and software issues, packing and shipping of systems, as well as aiding with next generation production planning. 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.

Chantilly, Virginia8 days ago

$176,000–$282,000 Per Year

As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Responsibilities: The Sr SETA is expected to review the designs and technical approaches to assist the customer with technical assessments on the viability and suitability of the design approaches.

New!

Chantilly, Virginia3 days ago

What You’ll Do: This position involves the senior project management of code compliance projects, including reviewing plans, providing technical support, conducting inspections, daily review or completion of field reports, monitoring project process for performance and budgetary conditions, proposal preparation, as well as attending project site meetings and assisting with the resolution to technical and administrative problems. This senior-level role is ideal for a licensed Mechanical Engineer with a strong background in commercial code compliance inspections, mechanical systems, and plan review who is looking to lead complex projects, mentor junior inspectors, and serve as a technical resource for both clients and internal teams.

New!

Chantilly, Virginia1 day ago

ECS 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 #50 in Zweig Group’s Hot Firm List (May 2025). We are employee-owned with more than 3,000 employees in 100+ offices and testing facilities coast to coast.

Chantilly, Virginia23 days ago

ECS 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 #50 in Zweig Group’s Hot Firm List (May 2025). Perform Facility Condition Assessments (FCAs), including assessment management, data collection, inventory/database management, remaining useful life analysis, cost estimates, and capital planning updates.

Warrenton, Virginia23 days ago

$86,000–$138,000 Per Year

Manage incident triage and coordination with analysis and detection sections to identify and analyze technology and cyber impacts to IT assets, network infrastructure (LAN/WAN), including applying security and ensure proper incident management and coordination. Direct continuity of operations for emergency relocation of 24x7x365 operations to include uninterrupted telecommunications, computer systems, cybersecurity, and networks.

Chantilly, VA30+ days ago

Bachelors of Science Degree in Science, Technology, Engineering or Mathematics (STEM) or an advanced IA certification (i.e. CISSP or CASP). Experience with IA vulnerability testing and related network and system test tools (i.e. retina, HBSS, EVSS, ACAS).

Manassas, VA30+ days ago

$142,696–$158,303 Per Year

Experience as SME, Technical lead, Integrated Product Team (IPT) Lead, Chief Engineer, or other engineering leadership role that demonstrated team building, organizational, and interpersonal skills. General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation.

Manassas, VA30+ days ago

$112,924–$125,275 Per Year

General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. Our engineers tackle some of the most complex and consequential challenges in defense, delivering solutions that redefine innovation and make a real impact on national security.

Manassas, VA30+ days ago

$124,216–$137,803 Per Year

Chantilly, Virginia30+ days ago

Winchester, VA30+ days ago

Location: 820 Follin Lane, Vienna, VA 22180 | 5510 Heritage Oaks Drive, Pensacola, FL 32526 | 141 Security Drive, Winchester, VA 22602 | 9999 Willow Creek Road, San Diego, CA 92131. + Lead the design, development, and support of integrations using Oracle Integration Cloud (OIC), HCM extracts, HDL, Rest APIs and other Oracle HCM tools.

Winchester, VA30+ days ago

The Senior Developer will serve as a subject matter expert overseeing the design, development, testing, and deployment of Digital Payments products and features working in collaboration with architecture, platform, product, operations, and business teams to accelerate the delivery of innovative money movement solutions and capabilities aligned with member-centric business initiatives and corporate strategies. + Collaborate with architects, engineers, and developers to analyze, define, and document the technical design for logical processes, workflows, system integrations, data, system environment, internal / external controls.

Lansdowne, VA30+ days ago

In this high-impact role, you provide executive-level administrative leadership, manage complex judicial and professional development data, and coordinate cross-team initiatives that support Blackstone's long-term talent and judicial strategy. Maintain and continuously improve systems tracking judicial pipeline data—including clerkship placements, judges, courts, timelines, and long-term career trajectories—ensuring accuracy and strong data governance.

Ashburn, Virginia30+ days ago

$50,000–$100,000 Per Year

About Us: Maxiom Technology is a leading software development firm specializing in delivering innovative solutions to a diverse clientele, including non-profit organizations. With offices in Virginia, Argentina, and India, we offer a hybrid approach that combines onshore management with offshore resources, ensuring cultural and time zone alignment.

Chantilly, VA13 days ago

Full-time

This is a hands-on engineering role: you will write Terraform, configure VPCs and Transit Gateways, harden IAM, and deploy logging and audit pipelines that satisfy DoD/IC accreditation requirements. Design and deploy AWS Landing Zones in air-gapped, classified regions, including AWS Control Tower equivalents and account-vending automation.

Washington, VA30 days ago

Ethic Tech, LLC is seeking a Senior Cloud Developer to support the Administration and Resource Management Division (ARI) within Headquarters, Marine Corps (HQMC). The Senior Cloud Developer will use government-approved tools and other government-approved cloud platforms to develop business solution applications for government cloud environments.

Washington, VA30 days ago

Manage service applications, create web applications, configure Alternate Access Mapping (AAM), and manage farm features and solutions.  . Manage and maintain vulnerability remediation for servers in line with cybersecurity requirements and reporting under the Risk Management Framework to maintain an ATO.

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Senior Science Jobs in Markham, VA

Jobs

Special Projects Group Geotechnical Senior Project Engineer - Deep Foundation TestingECS Ltd

TS204 Senior Imaging Scientist (Remote)Warriors Solutions

Advanced Data Scientist, SeniorVTG

Senior Business AnalystAssociation of Social Work Boards

Senior Solutions ArchitectStrategic Operational Solutions

Natural Resources Senior Project ManagerECS Ltd

TS215 Senior Software EngineerWarriors Solutions

TS208 Senior DevOps/MLOps EngineerWarriors Solutions

TS192 Senior Software EngineerWarriors Solutions

TS216 Senior Technical Program ManagerWarriors Solutions

Sr. OT Network Architect (On-site)HEPCO, Inc.

Environmental Senior Project Manager - PrincipalECS Ltd

Senior Materials, Process, & Test EngineerElectra

Senior Software EngineerREDLattice

Geotechnical Senior Project Engineer - Special Projects GroupECS Ltd

Senior Level Cost AnalystKalman & Company, Inc.

Systems Engineering, Senior AdvisorPeraton

Network Architect - SeniorPeraton

Senior Systems Integrator - Sensor IntegrationPeraton

Senior Project System EngineerNational Reconnaissance Office (NRO)

Senior Cyber Security EngineerTechnica Corporation

Security Cloud Architect, SeniorAMERICAN SYSTEMS

Senior Systems Engineer (AWS Cloud Applications)Syms Strategic Group, LLC (SSG)

Senior Software Test EngineerSyms Strategic Group, LLC (SSG)

Senior Systems Engineer (Production Support)Syms Strategic Group, LLC (SSG)

Senior GEOINT Standards Advisor & Systems Engineering StrategistWiSC Enterprises, LLC

Senior Data EngineerVTG

Senior Associate Software EngineerVTG

Senior Network EngineerVTG

Senior DevOps EngineerVTG

Senior Field System Network ArchitectI-66 EXPRESS MOBILITY PARTNERS LLC

Sr. Process EngineerSyner-G

Senior Production TechnicianNorthstrat

Senior SETAPeraton

Senior Mechanical Engineer - Code ComplianceECS Ltd

Project Administrator (Building Science + Infrastructure)ECS Ltd

Facilities Assessment Senior Project AssociateECS Ltd

SOC Operations Analyst - Senior / Public TrustPeraton

Senior Information Systems Security Engineer (ISSE) TS/SCITENICA and Associates LLC

CWL Deputy Chief Engineer (Sr Advanced Systems Engineer)General Dynamics Mission Systems, Inc

Sr Software Engineer - C++/Java - Active Secret clearanceGeneral Dynamics Mission Systems, Inc

Senior Software Engineer - Active Secret clearanceGeneral Dynamics Mission Systems, Inc

Senior SIGINT Systems EngineerArcfield

Senior Application Engineer (Oracle HCM Cloud)Navy Federal Credit Union

Senior Developer - Digital PaymentsNavy Federal Credit Union

Sr. Administrative AssistantAlliance Defending Freedom

Senior ColdFusion DeveloperMaxiom Technology

Senior Cloud Infrastructure Consultant (Active TS/SCI)CG Infinity

Senior Cloud DeveloperEthic Tech, LLC

Senior SharePoint Developer IIIEthic Tech, LLC

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