1,841 Results for

Senior Environmental Jobs in Crystal, VA

Jobs

Senior DevOps Engineer Leidos Holdings Inc

Chantilly, VA

$107,900–$195,050 / year

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Who We Are: Kudu Dynamics is Leidos Owned Company, forged out of a decade of experience in computer network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal.

30+ days ago

Senior Cybersecurity Analyst Science Applications International Corp

Washington, DC

$80,001–$120,000 / year

In addition to traditional SOC responsibilities, the analyst performs authorized offensive security activities, including manual vulnerability validation, reproduction of penetration test findings, remediation verification, and security control validation to identify and validate security weaknesses requiring manual analysis beyond automated vulnerability scanning. Key Responsibilities: Monitor, analyze, investigate, and respond to cybersecurity alerts and incidents using SIEM, endpoint detection and response (EDR), network monitoring, email security, identity security, and other enterprise security technologies.

30+ days ago

Senior Solid-State Laser Engineer / Technical Lead Fibertek Inc

Herndon, VA

We are seeking a Senior Solid-State Laser Engineer / Technical Lead to drive the architecture, development, and delivery of advanced solid-state laser systems for airborne and space-based government aerospace programs. This individual will serve as both a deep technical authority and a program catalyst - leading laser system design while motivating cross-functional teams to execute on aggressive technical milestones.

9 days ago

Part-time Senior Technical Professional - Weather Radar KBR Inc

Silver Spring, MD

The offered rate will be based on the position, contract affordability, the selected candidate's working location, knowledge, skills, abilities, experience, and in consideration of internal parity. But we all share one goal: to improve the world responsibly and safely by supporting the science that informs decision makers and protects Earth.

30+ days ago

Senior Software Engineer - CTJ - TS/SCI Microsoft Corp

Reston, VA

$119,800–$234,700 / year

Required Qualifications: Bachelors Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.

30+ days ago

Senior Cyber Planning and IT Infrastructures Analyst Leidos Holdings Inc

fort meade, MD

$131,300–$237,350 / year

Responsibilities also include applying Continuous Process Improvement (CPI) principles to enhance service delivery, system integration, governance, and operational effectiveness; contributing within environments using Scaled Agile Framework (SAFe) and ITIL 4 service management practices; and writing, reviewing, and editing technical and operational documents, including technical documentation, Concept of Operations (CONOPS), Training Plans, executive summaries, decision papers, and briefing materials for General Officer and Senior Executive audiences. Candidates must also demonstrate experience writing, reviewing, and editing technical documents, CONOPS, and Training Plans; communicating effectively with technical and non-technical audiences, including General Officer, Senior Executive, and other decision-maker audiences; working independently with limited direction; supporting multiple large-scale IT systems; and working with IaaS and PaaS technologies.

29 days ago

Senior Data Engineer IQUASAR LLC

Washington, DC

Full time

Makpar has an exciting opportunity for a Senior Data Engineer to join our growing team.his role requires expertise in Databricks, SQL, and ETL pipelines, with strong experience building scalable data frameworks to support enterprise decision-making. Plan, design, build, test, deploy, and maintain highly scalable web-based services utilizing modern.

30+ days ago

Senior Cloud Developer Cayuse Holdings

Washington, Washington, DC

Integrate unauthorized Azure resources into source control and refactor existing IaC repositories, with a focus on PowerShell scripts and advanced automation techniques. Proven hands-on proficiency with key Microsoft Azure services, including automation, IaC tools (PowerShell, ARM templates, Terraform or Ansible experience preferred).

21 days ago

Senior Manager, PJM Modeling and Analysis Lead TotalEnergies SE

The Senior Manager, PJM Modeling and Analysis Lead provides critical insights on nodal market dynamics to optimize investments, support long-term portfolio management, and Corporate PPA teams. Backed by the global ambition of TotalEnergies to accelerate the energy transition, Integrated Power USA is rapidly expanding a portfolio of approximately 35 GW of renewable, storage, and thermal generation projects that are operating, under construction, or in development.

21 days ago

Senior System Administrator Edgewater Federal Solutions, Inc.

Germantown, Maryland

$100,000–$120,000 / year
Full time

Edgewater Federal Solutions is ISO 9001, 20000-1, 270001 certified, appraised at CMMI Level 3 Maturity for Development and Services, and has been named in the Top Workplaces in the Greater Washington Area Companies since 2018. 10+ years of experience performing professional level work in the information technology field; including experience performing information technology analysis and managing IT projects through the entire project life cycle.

30+ days ago

Senior Data Engineer Analytica

Washington, DC

Magazine each of the past three years as one of the 250 fastest-growing companies in the U.S. Analytica specializes in providing software and systems engineering, information management, analytics & visualization, agile project management, and management consulting services. The Senior Data Engineer will lead the development and maintenance of scalable, secure, and auditable data pipelines while ensuring data quality, reliability, and compliance with federal healthcare regulations and CMS data governance requirements.

30+ days ago

Senior Electrical Engineer KBR

Washington, DC

KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. KBR is seeking a Senior Electrical Engineer to support the design, development, integration, and validation of electrical systems across commercial and industrial programs.

30+ days ago

Sr. Site Procurement Manager Microsoft Corp

Manassas, VA

$116,900–$203,600 / year

Preferred Qualifications: Masters Degree in Engineering, Supply Chain, Data Analytics, Business, Finance or related field AND 8+ years experience in data science/analytics, finance, project management, supply chain, and/or operation OR Bachelors Degree in Engineering, Supply Chain, Data Analytics, Business, Finance or related field AND 12+ years experience in data science/analytics, finance, project management, supply chain, and/or operation OR equivalent experience. Qualifications: Masters Degree in Engineering, Supply Chain, Data Analytics, Business, Finance or related field AND 4+ years experience in data science/analytics, finance, project management, supply chain, and/or operation OR Bachelors Degree in Engineering, Supply Chain, Data Analytics, Business, Finance or related field AND 6+ years experience in data science/analytics, finance, project management, supply chain, and/or operation OR equivalent experience.

30+ days ago

Senior Test Lead (Tricentis Tosca), Defense Counterintelligence and Security Agency (DCSA), Remote BizFirst

Quantico, VA

Remote

The role leads delivery across the Tricentis Quality Engineering platform: Tosca, qTest (Manager/Insights/Launch), Elastic Execution Grid (EEG/DEX), NeoLoad, and LiveCompare, fully integrated into CI/CD for Defense Counterintelligence and Security Agency programs. BizFirst is assisting our client with recruiting a Senior Test Lead to support Defense Counterintelligence and Security Agency (DCSA) programs through hands-on automated testing, test strategy, team coaching, and stakeholder alignment.

16 days ago

Senior Delivery Manager Unissant

Bethesda, MD

Excellent verbal and written communication skills, with the ability to present delivery status, risks, priorities, and performance data to technical teams, program leadership, and client stakeholders. The ideal candidate is an experienced Agile delivery leader with a demonstrated ability to manage concurrent application delivery efforts within a complex, multi-system environment.

25 days ago

Sr. Cyber Security Engineer NSE-710 ICES

Chantilly, Virginia

Demonstrated senior-level experience engineering Cyber Security solutions using structured and unstructured Big Data, AAA technologies, and Cloud Based technology, to include one or more of the following: Service Orientated Architecture (SOA), On-demand self-service, Broad network access, Resource pooling, Rapid elasticity, Measured Service, Software as a Service (SaaS), Platform as a Service (PaaS), Infrastructure as a Service (IaaS). Demonstrated senior-level experience in government or industry supporting enterprise-level cyber security efforts involving architecting, designing, development, and configuration of cloud and on premise based systems and software.

30+ days ago

Senior Advanced Data Analyst Unissant

Washington, DC

The ideal candidate will have extensive investigative experience and advanced analytics expertise, applying predictive analytics, geospatial analysis, and network analysis to large, complex datasets in support of HSI's National Targeting Center–Investigations (NTC-I) and Homeland Security Task Forces (HSTFs). Collaborate with HSI Data SMEs, Senior Data Visualization Developers, Program Manager, and law-enforcement partners to ensure analytic products are operationally relevant and timely.

30+ days ago

Senior Data Visualization Developer Unissant

Washington, DC

The ideal candidate will be an expert in designing, building, and maintaining enterprise-wide dashboards and visual analytic products that provide clear, actionable insight to HSI and HSTF leadership, integrating disparate data sources into cohesive visual narratives. Integrate multiple data sources (e.g., trade, financial, communications, travel, and supply-chain datasets) into coherent dashboard solutions that provide consistent visibility across headquarters and field offices.

30+ days ago

Senior Data Scientist/Engineer Agile Defense

Chantilly, Virginia

Requisition #: 1355 Job Title: Senior Data Scientist/Engineer Location: Chantilly, VA Clearance Level: Active DoD - TS/SCI FSP Non-Employee Referral Bonus Eligible: $2,000 SUMMARY You will join a secure, on-site intelligence data-analysis initiative focused on empowering end users to rapidly sift through vast cyber datasets and surface actionable insights. Working alongside cyber subject-matter experts, data engineers, and analysts, the program delivers a next-generation analytics tool that combines natural language processing, entity extraction, and generative AI to accelerate decision making in a highly classified environment.

30+ days ago

Senior Manpower/Functional Subject Matter Expert Unissant Inc

Alexandria, VA

Performs functional and quality assurance testing of changes to the FMTS application, whether for software updates, upgrades for cyber compliance, or customized functional change requests, with focus on accurate support of the stated business process. Proficient in Microsoft Excel workbooks and features, including macros and linked spreadsheets; able to compare data sets from different applications and assess anomalies.

30+ days ago

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Senior Environmental Jobs in Crystal, VA

Senior DevOps Engineer Leidos Holdings Inc

Senior Cybersecurity Analyst Science Applications International Corp

Senior Solid-State Laser Engineer / Technical Lead Fibertek Inc

Part-time Senior Technical Professional - Weather Radar KBR Inc

Senior Software Engineer - CTJ - TS/SCI Microsoft Corp

Senior Cyber Planning and IT Infrastructures Analyst Leidos Holdings Inc

Senior Data Engineer IQUASAR LLC

Senior Cloud Developer Cayuse Holdings

Senior Manager, PJM Modeling and Analysis Lead TotalEnergies SE

Senior System Administrator Edgewater Federal Solutions, Inc.

Senior Data Engineer Analytica

Senior Electrical Engineer KBR

Sr. Site Procurement Manager Microsoft Corp

Senior Test Lead (Tricentis Tosca), Defense Counterintelligence and Security Agency (DCSA), Remote BizFirst

Senior Delivery Manager Unissant

Sr. Cyber Security Engineer NSE-710 ICES

Senior Advanced Data Analyst Unissant

Senior Data Visualization Developer Unissant

Senior Data Scientist/Engineer Agile Defense

Senior Manpower/Functional Subject Matter Expert Unissant Inc

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