8,510 Results for

Applications Engineer Jobs in Reston, VA

Jobs

Manassas, VA

$89,000–$115,000 / year

The Applications Engineer - Power Systems Rental Projects is responsible for engaging and collaborating with the rental sales teams and customers on complex power systems rental projects throughout the dealer territory; engage the CAT Rental Power dealer network for the re-rental of Carter rental fleet assets that are identified as underperforming by the rental sales manager. In addition to base pay, the compensation package may include participation in performance-based incentive programs (e.g., discretionary or non-discretionary plans), as well as overtime eligibility depending on the role.

12 days ago

Washington, DC

$90,000–$155,000 / year

Project Managers work independently on complex projects, network to expand the market outreach for Existing Building Decarbonization projects, and collaborate closely with clients, contractors, and internal teams. – Lead energy modeling and building performance simulations and perform life-cycle cost analyses to evaluate the ROI and overall economic feasibility of various decarbonization strategies, including high-efficiency HVAC systems and the integration of geothermal and other renewable energy sources.

2 days ago

Alexandria, VA

$100,000–$110,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The ideal candidate has experience supporting Linux and Windows environments, containerized applications, and production systems while working directly with customers and internal engineering teams.

3 days ago

Columbia, MD

$110,000–$165,000 / year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

5 days ago

MONTGOMRY VLG, MD

$165,000–$185,000 / year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.

5 days ago

Fairfax, VA

$135,000–$200,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. You will also have access to a strong benefits package that supports both your career and personal life, including flexible scheduling, competitive compensation, comprehensive healthcare, retirement planning, and tuition reimbursement.

5 days ago

Fairfax, VA

$90,000–$140,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Ideal candidates will have experience with engineering consulting firms, electrical power, lighting, fire alarm, and building systems for institutional and commercial buildings, as well as proficiency in Revit and AutoCAD.

5 days ago

Alexandria, VA

$95,000–$110,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are a leading provider of intelligent transportation and mobility solutions, delivering innovative software, systems, and services that help organizations manage complex transportation infrastructure more efficiently, safely, and sustainably.

2 days ago

Arlington, VA

$100,000–$110,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Their platforms help agencies improve traffic flow, road safety, and air quality, and they support large-scale, high-volume transportation networks worldwide.

2 days ago

Manassas, VA

$90,000–$115,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.

5 days ago

Tysons, VA

$140,000–$215,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

5 days ago

Germantown, MD

$80,000–$140,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Essential Job Functions: Conduct engineering analysis and design in support of the project team Perform hydraulic and hydrologic analysis to determine engineered solutions for storm drainage and stormwater management applications.

5 days ago

Washington, DC

$90,000–$120,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our practical approach addresses our clients' complex energy needs, maximizing savings and return on investment while minimizing environmental impact across all served markets.

5 days ago

Washington, DC

$120,000–$160,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role will focus on building automation solutions within Windows 11 environments to improve operational efficiency, strengthen security posture, and enhance the overall end-user experience.

4 days ago

Manassas, VA

$85,000–$95,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are a leading provider of information technology, logistics management, business process re-engineering, financial management, and administrative support services for the Department of the Navy and Homeland Security.

5 days ago

Washington, DC

$90,000–$120,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our practical approach addresses our clients' complex energy needs, maximizing savings and return on investment while minimizing environmental impact across all served markets.

5 days ago

Sterling, VA

Remote

$120,000–$165,000 / year

Successful candidates will have experience in Electrical Systems & Equipment with a focus in Data Centers and Mission Critical Facilities; experience and an understanding of Building MEP Systems Design, Construction, and Commissioning of Critical Systems ranging in size, rating, and complexity; Commissioning, Testing and Troubleshooting of Electrical Systems and related controls. Knowledgeable with common mechanical, and controls-related building equipment, including: Engine generators / Uninterruptible power supplies & battery systems / Medium and low-voltage electrical switchgear/ PLC controls and sequences of operations / Automatic transfer switches / Static transfer switches / Power distribution units / Busways.

5 days ago

Gaithersburg, MD

$120,000–$140,000 / year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

5 days ago

Gaithersburg, MD

$140,000–$165,000 / year

5 days ago

Manassas, VA

$120,000–$150,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our team specializes in securing critical systems through authorization management, risk mitigation strategies, vulnerability assessment processes, and cybersecurity engineering practices designed to support evolving compliance and operational requirements.

5 days ago

Manassas, VA

$95,000–$115,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking a proactive Junior Systems/Software Integration Engineer to assist with the deployment, configuration, and validation of complex software solutions across multiple computing environments.

5 days ago

Sterling, VA

Remote

$135,000–$165,000 / year

The successful candidate must be self-motivated and well versed in Data Center projects touching on large building MEP systems design, commissioning, retro-commissioning, energy modeling/analysis and construction for complex buildings. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

5 days ago

Arlington, VA

$120,000–$150,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. If you have a solid grounding in software engineering, continuous delivery, and computer science, and are looking for a career opportunity to grow and leverage those skills to the fullest while working on cutting edge technologies – Here is the place to be!

5 days ago

Washington, DC

$120,000–$175,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Successful candidates will have a strong background in MEP Consulting (Mechanical, Plumbing, & Fire Protection Engineering) with proven leadership experience.

1 day ago

Washington, DC

$100,000–$200,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This is a permanent role that will require you to use your knowledge and experience in air distribution, ventilation, automation, controls, design, development, construction, QA, QC, LEED, BD+C, ASHRAE, and other related areas.

1 day ago

Fairfax, VA

$90,000–$160,000 / year

Must be self-motivated and well versed in Data Center projects touching on large building MEP systems design, commissioning, retro-commissioning, energy modeling/analysis and construction for complex buildings. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

5 days ago

Falls Church, VA

$150,000–$200,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our client is a well-funded deep tech company headquartered in Northern Virginia, building a suite of autonomous software reliability and testing products.

4 days ago

Washington, DC

$140,000–$190,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role serves as a trusted advisor to clients, leading technology consulting efforts while supporting business development, proposal preparation, project execution, and team mentorship.

5 days ago

Manassas, VA

$80,000–$100,000 / year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.

5 days ago

McLean, VA

$130,000–$150,000

p> Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to:

the individual’s skill sets, experience and training;
licensure and certification requirements;
office location and other geographic considerations;
other business and organizational needs.
Canadian residents may access our policies in English here and in French here.

3 days ago

McLean, VA

The position focuses on enabling reliable and scalable software delivery by building and optimizing CI/CD pipelines, infrastructure automation, and deployment workflows, while improving developer experience, release velocity, application quality, and system reliability across multi-stack environments. This role supports a variety of modern applications, including backend services, frontend applications, and data pipelines, with a strong emphasis on pipeline engineering, Infrastructure as Code (Terraform), and cloud-native deployments.

11 days ago

Chantilly, Virginia

Contractor

You will collaborate with cross-functional teams, including design engineers, production personnel, and quality assurance, to optimize manufacturing operations and drive continuous improvement initiatives.

As a Manufacturing Engineer, your primary responsibility will be to develop and improve manufacturing processes and systems to ensure the efficient and cost-effective production of defense and aerospace products.

19 days ago

Washington DC, DC

This role collaborates with Product Owners, Federal Project Managers (FPMs), Business Analysts, Solution Architects, UX/UI Designers, QA Engineers, and DevSecOps teams to deliver end-to-end solutions across the full software development lifecycle.

The Senior Full Stack Developer is responsible for designing, developing, integrating, and supporting secure, scalable, and high-performing enterprise web applications using modern cloud-native technologies.

1 day ago

Reston, VA

Full time

Leveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions. The NOC Support Engineer is responsible for maintaining, modifying, and managing the NOC's software and monitoring infrastructure, including hardware and software applications used to monitor and manage Inmarsat Government's global MPLS and SATCOM networks.

23 days ago

Washington DC, DC

p class="MsoNormal">This position is responsible for maintaining secure and highly available eDiscovery environments, troubleshooting complex application and infrastructure issues, supporting legal hold and compliance initiatives, and partnering with investigative, legal, cybersecurity, and IT stakeholders to ensure operational excellence and data integrity. The ideal candidate will possess extensive experience administering and supporting Relativity and other litigation support platforms, while providing infrastructure, application, and investigative workflow support across the Electronic Discovery Reference Model (EDRM) lifecycle.

1 day ago

Reston, VA

Full time

Provide assistance and oversight for all information systems operations activities, including computer and telecommunications/communications operations, data entry, data control, LAN/MAN/WAN administration and operations support, operating systems programming, system security policy procedures, and/or web strategy and operations. Perform a variety of systems engineering tasks and activities that are broad in nature and are concerned with major systems design, integration, and implementation, including, hardware, software, budgetary, and support facilities and/or equipment.

30+ days ago

McLean, VA

p>Download the Sparks Group mobile app from Apple App Store or Google Play.. Qualifications/Background Profile:

5+ years of experience in data engineering, application development, data science, or related technical field.

10 days ago

McLean, VA

p>Download the Sparks Group mobile app from Apple App Store or Google Play.. You’ll work with and guide a multi-disciplinary team of analysts, data engineers, developers, and data consumers in a fast-paced, agile environment.

10 days ago

Washington DC, DC

li>Cloud Operations & Reliability: Experience designing highly available systems using Azure-native tools for monitoring, backup, disaster recovery, and cost optimization.

Virtualization & Core Infrastructure: Deep expertise in VMware (vSphere, ESXi, NSX, vCenter, SRM) and enterprise compute, storage, networking, and Active Directory.

3 days ago

Columbia, Maryland

$100,000–$120,000 / year

The successful candidate will apply advanced structural engineering knowledge to deliver safe, efficient, and code-compliant solutions while collaborating with cross-functional teams to support high-performance infrastructure projects.

The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment.

5 days ago

Washington, DC

Contractor

p>The DevOps Engineer (Jira Platform Engineer) will serve as the technical owner of the Jira SaaS platform in the government cloud, responsible for administering, configuring, and integrating Jira within the enterprise technology ecosystem.

Design, implement, and maintain integrations between Jira and enterprise systems such as GitLab (source control & CI/CD) and ServiceNow (ITSM), using Okta, REST APIs, webhooks, middleware, and scripting.

2 days ago

Herndon, VA

$42–$48 / hour

p>Download the Sparks Group mobile app from Apple App Store or Google Play.. This role will focus on transforming raw HR data into scalable, reliable data systems while supporting automation initiatives, data governance, and advanced analytics capabilities.

3 days ago

Bethesda, MD

$170,000–$190,000 / year

While the Senior Application Architect partners closely with cloud, operations, data, and cybersecurity teams, the primary accountability is for application architecture and application design decisions, including ownership of RESTful services and application integration strategy from concept through implementation and long-term evolution. The Senior Application Architect works closely with engineering teams, product owners, operations, and security to design and guide the implementation of modern, reliable, and well-integrated application solutions.

7 days ago

Falls Church, VA

Experience: 8+ years in a technical Cybersecurity Engineering role, with at least 4 years focused on large-scale cloud or hybrid environments, and a portfolio of projects where AI or Machine Learning was directly applied to solve security or operational scaling problems. • API-First Automation: Deep expertise in building "glue code" that connects disparate COTS and custom applications via secure, automated APIs to streamline cross-functional business activities.

1 day ago

Springfield, VA

$130,000–$130,000 / year

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

Manage Active Directory, DNS, SCOM\SCCM, group policy, and PowerShell scripting to ensure system integrity and security.

10 days ago

Alexandria, VA

$131,300–$237,350

June 5, 2026

The Digital Modernization Sector at Leidos is seeking a Sr Azure Virtual Desktop Engineer to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area.

17 days ago

Falls Church, VA

Securing AI Workflows: Design security frameworks for the end-to-end AI lifecycle, including securing data ingestion, protecting model weights, and implementing "Guardrail" architectures for Large Language Models (LLMs). • AI-Enhanced Pipeline Security: Architect and maintain automated CI/CD pipelines that utilize AI/ML models for static and dynamic analysis (SAST/DAST) to identify complex vulnerabilities that traditional rule-based tools miss.

1 day ago

Mclean,, Virginia

$65–$70 / hour
Contractor

p>The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. Qualifications:

2 to 5 years of experience in cloud SRE activities, including capacity management, monitoring, and core services integrations for AWS.

2 days ago

Fort Belvoir, VA

Responsible for planning, organizing, and conducting exploratory, advanced, and engineering development as well as production engineering studies/programs for new and improved items for combat use under various battlefield and urban terrain conditions. In this role, you will plan, organize, and conduct exploratory, advanced, and engineering development as well as production engineering studies/programs for new and improved items for combat use under various battlefield and urban terrain conditions.

12 days ago

Arlington, VA

$131,300–$237,350

April 30, 2026

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. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

17 days ago

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Applications Engineer Jobs in Reston, VA

APPLICATIONS ENGINEER - POWER SYSTEMS RENTAL PROJECTS Carter Machinery Company, Inc

Sr Energy Engineer - DC Jobot

Systems Engineer (Intelligent Transportation System Industry Exp Required) Jobot

System Integration & Test Engineer Jobot

Senior Software Engineer (C++ / Java) Jobot

Senior Electrical Engineer (Mission Critical) Jobot

Electrical Engineer EIT/PE Jobot

System Engineer Jobot

Systems Engineer Jobot

Junior Software Systems Integration Engineer - RHEL - Secret Clearance Required Jobot

Senior Backend Engineer Jobot

Civil Project Engineer Jobot

Electrical Commissioning Engineer Jobot

Senior PowerShell Engineer (Secret Clearance) Jobot

Test Engineer (AN/BYG-1) Jobot

Mechanical Commissioning Engineer Jobot

Sr Commissioning Engineer (Data Centers) – Remote Jobot

Hardware Engineer Jobot

Sr. Software Engineer Jobot

Senior RMF Cybersecurity Engineer (Navy) Jobot

Software/Systems Integration Engineer (Secret Clearance Required) Jobot

Mechanical Commissioning Engineer / Project Manager (Data Centers) Jobot

Software Engineer Jobot

Sr Mechanical Engineer/Dept. Head Jobot

Senior Mechanical Engineer Jobot

Commissioning Project Engineer (Data Centers) Jobot

Senior Software Engineer Jobot

RCDD Technology Engineer Jobot

Junior Linux Systems Engineer (RHEL/Clearance) Jobot

Senior Python Full Stack Engineer Vaco LLC

DevSecOps Engineer Credence

Manufacturing Engineer II (VA) GCR Professional Services

System/DevSecOps Engineer NuAxis Innovations

NOC Support Engineer Inmarsat Government, Inc

eDiscovery Application Support Specialist NuAxis Innovations

Network Engineer II Company Confidential

Senior Data Engineer - Palantir Sparks Group

Junior Data Engineer - Palantir Sparks Group

Hybrid Cloud Engineer ECLARO

Structural Engineer Pinnacle Technical Resources

Jira Platform Engineer SONA Networks, LLC

HR Data Engineer Sparks Group

Application Architect System One

Sr Cloud Security Engineer PlanIT Group

Active Directory Engineer System One

Sr Azure Virtual Desktop Engineer Leidos

IT- Cyber Security Architect/ Engineer III PlanIT Group

Cloud Platform Engineer (HashiCorp Vault & AWS) Pinnacle Technical Resources

Materials Engineer DCS Corporation

Senior Kinetics DE/CD Engineer Leidos

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