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If you're passionate about solving complex technical challenges, learning emerging technologies, and developing software that directly supports mission success, this is an exciting opportunity to grow your career while making a meaningful difference. As a Full Stack Engineer, you'll contribute across the entire software development lifecycle, from crafting intuitive user interfaces to building scalable backend services and integrating secure, cloud-native solutions.

YEAR

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

Mid-Level Software Engineer

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ASP.Net WebForms - Deep understanding of page lifecycle, server controls, view state, and event-driven programming. PROLIM is a leading provider of PLM, IoT and Digital transformation solutions to Global Fortune 1000 companies.

PROLIM Global Corporation

IT Software Engineer 3 (Citizens Only)

FULL_TIME

iQuasar is an 18+-year-old Northern Virginia company delivering recruitment, proposal development, digital marketing, software development and IT solutions to Small and Medium Business (SMB) Government contractors in technology and Civil Engineering verticals. Avaya Hands-on Experience: Proven experience administering, programming, and troubleshooting Avaya hardware, IP Office / Aura / Communication Manager, and associated voice applications.

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<p>iQuasar is a technology services company based out of greater Washington, D.C. that has been in the business for more than a decade. We are experienced in working with Federal, State, and Local Governments as well as Commercial customers. Our employees and contractors have served customers like the Federal Reserve Board, United States Patent and Trade Office (USPTO), Comcast Cable, Frontier Wireless, T-Mobile, IBM, Departments of Transportation & Treasury, and Commonwealths of VA & PA, among many others.</p>
<p>We have strong capabilities in Program/ Project Management, Application & System Development/Administration, Help Desk, Cloud, Business Process Design, and Cybersecurity. We are an authorized Microsoft, Amazon Web Services, and Google partner. We provide Information Technology services to our broad customer base and proposal development and recruitment process outsourcing services to our government contractor customers.</p>
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IQUASAR LLC

Telecommunications Engineer

We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. The team builds and deploys multiple applications across diverse tech stacks, including containerized React UIs, Java and Go microservices, custom REST security services, and data stores such as MongoDB and an OpenSearch cluster.

GliaCell Technologies

Senior Software Engineer (Partial Telework)

partner JazzHR

This program supports Enterprise Transport and Routing (ETR), Application Messaging Framework (AMF), and Information Transport Services (ITS), organizations responsible for transporting mission-critical information that protects U.S. national security interests, supports the Warfighter, and enables informed decision-making worldwide. Pay 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.

<span itemprop="name">CACI</span> provides information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. A member of the Fortune 1000 Largest Companies, the Russell 2000 Index, and the S&amp;P SmallCap 600 Index, CACI provides dynamic careers for over 15,800 employees working in over 120 offices worldwide. Visit <a href="http://www.caci.com" target="_blank" itemprop="url" mns_rt="Company">www.caci.com</a>.<br/>
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      We strive to sustain a corporate culture based on integrity - one that's focused on treating customers ethically and making their priorities our priorities. We pride ourselves in finding and hiring people with the highest intellectual capital, and providing them with challenging opportunities and encouraging their innovation and initiative.

CACI

Senior Platform Engineer

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Pay 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. • Implement specific network solutions to support server requirements to include load-balancing, VPN’s, firewall contexts, and network address translation (NAT) where appropriate.

Network Security Engineer

On-Premise Architecture & Deployment: Senior-level expertise in the design, deployment, configuration, and lifecycle management of on-premise VMware Workspace ONE UEM, including components like Device Services, the Admin Console, ACC, and backend database integrations. Software Upgrades & Lifecycle Management: Proven track record of planning, testing, and successfully executing complex version upgrades, migrations, and patch deployments for on-premise Workspace ONE UEM environments with minimal operational disruption.

Agile Defense

Mobility Engineer

EDUCATION/EXPERIENCE/EXPERTISE: Bachelor's degree in Corrosion Engineering, Materials Science and Engineering, Metallurgical Engineering, Chemical Engineering, Mechanical Engineering, or a closely related engineering/physical-science discipline; advanced degree preferred. N4 Solutions, LLC offers our public and private sector clients the collective intellectual knowledge, expertise, and experience of our company and associates to help our customers evaluate, collaborate, innovate, and create business, technology, and scientific solutions that enable them to accomplish their mission and achieve organizational objectives.

N4 Solutions

Corrosion Engineer

Pay 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. We’re looking for an experienced Senior Network Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high‑impact programs.

Senior Network Security Engineer

Pay 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. Function as a technical expert across multiple project assignments, planning and leading major technical initiatives while mentoring junior team members and supervising technical staff.

End User Device Engineer (Senior)

The ideal candidate is a proactive, technically driven engineer with a passion for modern collaboration technologies and the ability to bridge strategic architecture with hands-on engineering expertise. 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.

Voice Network Engineer

Excellent leadership abilities with proven experience planning and leading firewall infrastructure projects, functioning as a subject matter expert, and supervising network security teams. Pay 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.

Senior Network Engineer (Firewall)

Their work involves building advanced pipelines for ingesting, segmenting, and annotating billions of videos, transcripts, and audio files, directly powering dataset creation for frontier AI labs. Join a lean, technical team building the critical infrastructure that delivers massive amounts of web data to companies training the world’s most powerful AI models.

MLabs

Network Infrastructure Engineer (DevOps)

Mentor engineers on AWS, DevOps, automation, and cloud-native architecture; lead technical design reviews and serve as subject matter expert for cloud operations and platform reliability. Develop reusable infrastructure modules and deployment patterns; monitor and optimize AWS infrastructure costs (FinOps) without compromising reliability; partner with vendors on large-scale, cost-effective cloud solutions.

PLACE Corporate Careers

Senior AWS Cloud Infrastructure Engineer

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Working closely with electronics, mechanical and sustaining engineering teams, you will help ensure products meet international regulatory, safety, environmental and cybersecurity requirements throughout their lifecycle. We are looking for someone who: Holds a degree, HNC/HND in Engineering, Electronics, Product Compliance or a related discipline, with at least 3 years of experience in an engineering or product compliance role.

Assa Abloy

Product Compliance Engineer

This work aligns with the FAA's broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency-particularly in remote and high-dependency aviation environments. In this position, you will serve as a Product Owner for a development team in an Agile/SAFe environment, assisting in the design and implementation of software solutions alongside your team while working with program architects, stakeholders, product delivery, and DevSecOps teams.

Leidos Holdings Inc.

Lead Systems Engineer - Product Owner

The position focuses on designing and executing mechanical and environmental tests, characterizing material and component performance, developing experimental fixtures and test systems, instrumenting and validating test setups, analyzing mechanical response and failure behavior, and documenting technically defensible findings for Navy applications. Conduct structural integrity testing of metallic alloys, non-metallic materials, bearings, machinery components, and other Navy-relevant hardware to characterize durability, fatigue, static stiffness, dynamic stiffness, strength, wear, and related mechanical properties.

Mechanical Engineer

Pay 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. Job Title: Server Engineer (Senior)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * * The Opportunity:

Server Engineer (Senior)

The ideal candidate combines AI agent development expertise with strong data engineering skills, hands-on Tableau and Power BI experience, and working knowledge of Databricks. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.

Science Applications International Corp

AI Engineer

Design and implement Google solution architecture with the different products like Google App Engine, BigQuery, Kubernetes Engine, AutoML, assess architecture needs for projects, work with different development leads and managers to scope and craft proposals. Provide end-to-end technical guidance and expertise on how to effectively use Google Cloud to build solutions; creatively applying cloud infrastructure and platform services to help solve business problems; and communicating these approaches to different business users.

Solutions Engineer Jobs in Frederick, MD

Mid-Level Software Engineer Leidos Holdings Inc

IT Software Engineer 3 (Citizens Only) PROLIM Global Corporation

Telecommunications Engineer IQUASAR LLC

Senior Software Engineer (Partial Telework) GliaCell Technologies

Senior Platform Engineer CACI

Network Security Engineer CACI

Mobility Engineer Agile Defense

Corrosion Engineer N4 Solutions

Senior Network Security Engineer CACI

End User Device Engineer (Senior) CACI

Voice Network Engineer Leidos Holdings Inc

Senior Network Engineer (Firewall) CACI

Network Infrastructure Engineer (DevOps) MLabs

Senior AWS Cloud Infrastructure Engineer PLACE Corporate Careers

Product Compliance Engineer Assa Abloy

Lead Systems Engineer - Product Owner Leidos Holdings Inc.

Mechanical Engineer N4 Solutions

Server Engineer (Senior) CACI

AI Engineer Science Applications International Corp

Big Data Engineer with Google cloud (GCP) Rapinno Tech

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