Query Optimization jobs in Virginia

Vienna, Virginia

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Today

Job ID: 2615274 Location: Vienna, VA, US Date Posted: 2026-08-04 Category: Information Technology Subcategory: Database Engr Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description Overview SAIC is hiring a Database Engineer to design and implement enterprise geospatial database solutions supporting mission-critical applications. You will gui

Full-time

USD 160,001.00 - 200,000.00 per year

Data Administrator

Herndon, Virginia

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Today

Data Administrator, based in Herndon, VA A leading enterprise technology organization is looking for a Data Administrator to support the administration, maintenance, security, and performance of enterprise data platforms and database environments. This is a hybrid role based in Herndon, VA, with an expectation of being in the office 3 days per week, subject to business needs. This role sits at the intersection of database administration, enterprise data management, cloud platforms, and analytics

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Contract

$80 - $85

Database Administrator

Herndon, Virginia

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Today

Location: Herndon, Virginia / Newtown Square, Pennsylvania Contract (W2 Only) (Hybrid) Position Summary The Data Administrator is responsible for the administration, maintenance, security, and performance of enterprise data platforms and database environments. This role ensures data is accurate, secure, compliant, and accessible only to authorized users. The Data Administrator supports system reliability through software installation, monitoring, troubleshooting, backup, and recovery processes.

Full-time

ETL Developer / Data Engineer

Reston, Virginia

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4d ago

Data Engineer Location: Reston, VA - must be able to go into the Reston based office a minimum of 1 time per week Ready to make a difference? We're looking for an ETL / SSIS Developer who enjoys collaborating with coworkers and wants to help automate data delivery to various systems and their users. You'll support a team delivering data solutions across a diverse portfolio of utility and energy clients. You'll have opportunities to work on a variety of projects while continuing to build your te

Full-time

USD 81,147.00 - 137,949.00 per year

Senior Full Stack Developer

Chantilly, Virginia

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Today

Overview The Work The Senior Full Stack Software Developer will play a critical role in the design, development, and delivery of the FDP system, leveraging a modern Postgres/Java/React technology stack. The engineer will collaborate closely with an existing, high-performing development team to implement features and capabilities required for the Minimum Viable Product (MVP) release and subsequent increments. The ideal candidate has extensive experience delivering large-scale, enterprise-grade ap

Full-time

USD 140,000.00 - 142,085.00 per year

Database Developer

Montvale, Virginia

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Today

We are seeking a Senior Database Developer to support a cloud-native application on Microsoft Azure, with a focus on building and optimizing robust database solutions. This role offers the opportunity to own database design and performance while partnering closely with application, backend, and DevOps teams in a collaborative environment. Responsibilities Design, build, and maintain Azure SQL and SQL Server databases that support enterprise-level applications Create and optimize T-SQL objects

Full-time

USD 47.00 - 82.00 per hour

Cybersecurity Data Scientist

Hybrid in McLean, Virginia

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Today

Job Number: R0243933 Cybersecurity Data Scientist The Opportunity : As a Cybersecurity Data Scientist, you will operate as a hands-on technical contributor and applied research leader responsible for designing, developing, and operationalizing data-driven and AI-enabled solutions for Booz Allen's Cyber Operations teams. This role emphasizes execution and delivery, turning security telemetry, threat intelligence, and analyst workflows into production-grade models, detections, and decision-suppor

Full-time

USD 77,600.00 - 176,000.00 per year

Senior Data Scientist

Arlington, Virginia

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Today

Description Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path. Leidos is seeking a mission-driven Senior Data Scientist to join our high-impact team supporting the National Digital Exploitation and Open Source Center (NDOC) DOMEX Technology Platform (DTP). In this role, you will help improve data intelligence pipelines serving both Open Source Intelligence (OSINT) operations and

Full-time

USD 107,900.00 - 195,050.00 per year

Senior Application Engineer (Remote)

Remote

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Today

Overview: GovCIO is hiring a Senior Application Engineer to lead the modernization of legacy software systems for complex conceptual data at the Department of Veterans Affairs. The candidate will work closely with leadership, architects, and business stakeholders to develop and implement strategies for transitioning outdated applications to secure, scalable, and resilient VA cloud and data infrastructures. This position is fully remote within the United States. Responsibilities: Support modern

Full-time

USD 175,000.00 - 200,000.00 per year

Senior Java Backend Developer – Remote

Remote

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Yesterday

Senior Java Backend Developer RemoteWork Arrangement: Remote Job Type: Contract Contract Duration: 12 Months Employment Type: W2 Only (No C2C) Interview RequirementAn in-person face-to-face interview is required as part of the selection process. Specific interview location and details will be discussed during the recruiter screening call. Job DescriptionWe are seeking an experienced Senior Java Backend Developer to design, develop, enhance, and support real-time Java applications for a high-pe

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Contract

50 - 55

Cybersecurity AI/ML Engineer

Hybrid in McLean, Virginia

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Today

Job Number: R0243936 Cybersecurity AI/ML Engineer The Opportunity : As a Cybersecurity AI/ML Engineer, you will operate as a hands-on technical contributor and engineering leader responsible for building, scaling, and operationalizing AI/ML systems that power Booz Allen's Cyber Operations teams. This role emphasizes production engineering and platform delivery, turning models, security telemetry, and analyst workflows into reliable, low-latency, observable services and pipelines that measurably

Full-time

USD 77,600.00 - 176,000.00 per year

Siemens Opcenter techno functional lead

Remote

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5d ago

Siemens Opcenter techno functional lead Remote/ some travel Role Overview The MES Solution Architect (Siemens OpCenter) is responsible for defining, designing, and governing the technical architecture for OpCenter MES implementations across manufacturing sites. This role provides technical leadership, resolves complex technical challenges, mentors the development team, and ensures that OpCenter solutions meet scalability, compliance, and integration requirements. The architect will also facilit

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Contract

$70 - $75

Siemens Opcenter Techno Functional Lead Remote

Remote

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2d ago

Key Responsibilities 1. Architecture & Solution Design * Design and architect multi site OpCenter MES implementations, ensuring scalability, security, and optimal performance. * Understand the technical architecture, including OpCenter Designer, MOM Connect, data structures, and online data store usage. * Define end to end technical solutions including interfaces, middleware, integrations with ERP (SAP S/4HANA), Asset Management, Learning Management, Calibration, etc. * Lead solution feasibility

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Contract

Depends on Experience

Senior Golang Software Engineer

Remote

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Today

We are looking for a Senior Software Engineer to join a team building a comprehensive platform designed to evaluate Large Language Model performance and provide inference endpoints for Generative AI applications at enterprise scale. The platform enables stakeholders to systematically assess, compare, and select the most suitable LLMs for use cases, including natural language processing, customer service automation, content generation, and data analysis. It routes, secures, and governs LLM infere

Full-time

Remote - Oracle PL/SQL Developer

Remote

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2d ago

REMOTE - OPT & Stem are welcome to apply Position: Oracle PL/SQL Developer Location:Remote Requirement: We hiring an experienced Oracle PL/SQL Developer. We are looking for professionals with strong Oracle database development experience who can build high-performance, scalable solutions. Key Skills: Oracle PL/SQL (Stored Procedures, Packages, Performance Tuning) Advanced SQL, Data Modeling & Query Optimization Informatica PowerCenter & Autosys ETL & Batch Processing ATDD & Data

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Contract, Third Party

Depends on Experience

Staff Data Engineer, Data Platform - IntelliScript (Remote)

Remote or Brookfield, Wisconsin

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Today

What We Do Milliman IntelliScript is a group of a few hundred experts in fields ranging from actuarial science to information technology to clinical practice. Together, we develop and deploy category-defining, data-driven, software-as-a-service (SaaS) products for a broad spectrum of insurance, health IT and life sciences clients. We are a business unit within Milliman, Inc., a respected consultancy with offices around the world. IntelliScript attracts top candidates with its innovative, collabo

Full-time

USD 131,600.00 - 249,780.00 per year

Software Engineer PHP

Remote or West Palm Beach, Florida

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Yesterday

RESPONSIBILITIES: Kforce has a client that is seeking a Software Engineer PHP in West Palm Beach, FL. Key Responsibilities: * Design, develop, and maintain high-performance PHP applications serving millions of API requests daily * Design and optimize MySQL database schemas, queries, and indexing for performance and reliability * Implement and maintain RESTful APIs following modern API design standards, including OpenAPI specifications and versioning best practices * Design and implement asynchr

Full-time

$85,000 - $95,000 annually

Remote Senior Golang Engineer

Remote or Carlsbad, California

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Yesterday

RESPONSIBILITIES: Kforce has a client that is seeking a Remote Senior Golang Engineer. Responsibilities: * Senior Golang Engineer will design, develop, and maintain scalable backend applications and services * Build and enhance RESTful APIs and service-based architectures * Design and optimize database schemas, queries, and data structures for performance and scalability * Troubleshoot, refactor, and improve application performance, reliability, and maintainability * Develop and deploy containe

Full-time

$150,000 - $170,000 annually

Senior Full-Stack Developer - Cloud Migration & AI-Assisted Engineering

Remote

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4d ago

Senior Full-Stack Developer Cloud Migration & AI-Assisted Engineering: As a Senior Full-Stack Developer, you will be a highly hands-on engineering contributor responsible for modernizing and migrating business-critical applications from distributed on-premises infrastructure to cloud-native platforms in AWS and Google Cloud Platform (Google Cloud Platform). You will work across the full technology stack application code, APIs, user interfaces, databases, infrastructure, CI/CD, security, observab

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Full-time

Depends on Experience

Golang Lead / Golang Developer

Remote

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2d ago

Role:Golang Lead / Golang Developer Location:Remote / Hybrid, as applicable Position SummaryWe are seeking experienced Golang Lead / Developer candidates to support Centene Corporations healthcare technology initiatives. The ideal candidate will design, develop, test, and maintain scalable backend services and microservices using Go, with strong hands-on experience in PostgreSQL, API development, cloud-native engineering, and Agile delivery. This role requires strong technical ownership, collab

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Full-time

Depends on Experience

Query Optimization jobs in Virginia, USA