2,293 Results for

Linux Engineer Jobs in Herndon, VA

Jobs

Quantico, VA

Bachelor’s degree and minimum of 4 years of experience working with Red Hat Enterprise Linux 7.X, 8.X, 9.X with a strong command-line interface (CLI) skillset (additional 2 years of experience may be substituted in lieu of degree). The Linux Engineer will maintain, update, and secure existing Linux systems on both classified and unclassified networks in support of Cyber investigations and operations.

14 days ago

Manassas, VA

$80,000–$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.

3 days ago

Chantilly, VA

$73,450–$132,775

A successful candidate will develop an understanding of the services offered to external organizations, provide lifecycle systems engineering support to development and operations on the program, and use a combination of technical and functional expertise to recommend solutions to satisfy customer requirements. 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.

6 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.

3 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.

3 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.

3 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

Alexandria, VA

$107,900–$195,050

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. The Senior Linux System Administrator will work within a team engineers, developers and system administrators, adding new capabilities to our enclaves, as well as ensuring the existing systems are secure and performing as intended.

1 day ago

Gaithersburg, MD

$140,000–$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.

3 days ago

Manassas, VA

$90,000–$115,000 / year

3 days ago

Herndon, VA

In addition to technical contributions, this position conducts the day‑to‑day software lead activities by providing technical guidance, assigning tasks, reviewing and approving formal documentation, and estimating labor, tools, and other resources to meet budget and schedule commitments. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

6 days ago

Laurel, MD

$100,000–$245,000

Experience with (1) Static Analysis tools such as Coverity and Klockwork, (2) Dynamic Analysis tools such as Valgrind, libFuzzer, and Java Pathfinder, (3) Symbolic Execution Engines such as KLEE and angr, (4) Model Checkers such as TLA+ and SPIN, (5) SMT Solvers such as Z3, CVC5 and MathSAT (6) other Automated Theorem Provers such as ACL-2 and GnatProve, (7) Interactive Theorem Provers such as Lean and Rocq, and any other formal methods tools. Experience with formal methods tools and techniques, such as language safety properties, symbolic execution, abstract interpretation, model checking, automated and interactive theorem proving, programming language analysis and design, type theory, static source code analysis, and formal logic.

3 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.

9 days ago

Merrifield, VA

$62.34–$76.19 / hour

By applying for this job, you agree to receive AI-generated calls, text messages, and/or emails from Mitchell Martin Inc and its affiliates and contracted partners at various frequency through traditional and automated methods. Key technologies include various operating systems and cybersecurity tools.

4 days ago

Washington DC, DC

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.

11 days ago

Vienna, VA

$156,000–$239,200 / year

Deploy and configure complex ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customers service level agreement. Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces.

6 days ago

Vienna, VA

$120,640–$197,600 / year

Deploy and configure ArcGIS in a wide variety of environments across operation systems, cloud providers, security architectures, customer types and organizations, to meet the customers service level agreement. Experience with Esri software including ArcGIS Enterprise, ArcGIS Desktop, ArcGIS Online, Portal for ArcGIS and ArcGIS Runtime and their associates APIs or interfaces.

6 days ago

Vienna, VA

$84,240–$142,480 / year

Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. We care about your career growth and strive to assign projects based on what will help each team member develop into a better-rounded engineer and enable them to take on more complex tasks in the future.

6 days ago

Vienna, VA

$120,640–$197,600 / year

Youll work closely with other system engineers, administrators, and program teams to ensure systems are built, assessed, and operated in compliance with DoD and NIST requirements. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.

6 days ago

Gaithersburg, MD

$87,100–$157,450

April 16, 2026For 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.

3 days ago

McLean, VA

Remote

In this role, you will work closely with engineering, DevOps, cloud, security, and product teams to improve system resilience, reduce downtime, strengthen deployment practices, and support reliable cloud-based application delivery in an Agile environment. This role will help establish and mature SRE practices across AWS cloud environments, with a focus on reliability, automation, scalability, observability, incident response, and operational excellence.

11 days ago

Herndon, VA

Support Linux-based systems supporting telecommunications infrastructure by ensuring high availability, performance, and reliability, supporting environments on CentOS 7 transitioning to Rocky Linux. • Monitor and analyze telecommunications systems, interpret inbound data streams, and utilize packet capture tools like Wireshark and tcpdump to troubleshoot core network issues.

1 day ago

Vienna, VA

Provide technical guidance and collaboration with other Cyber Security Engineers supporting technologies within designated area of focus (Data Scanning). Establish and maintain supporting documentation (architecture/data flow diagrams, runbooks, ServiceNow tickets, user stories and tasks).

4 days ago

Reston, VA

$68.18–$68.18 / hour

Solve complex problems and answer routine questions related to installation, operation, configuration, and customization of cybersecurity software. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

2 days ago

Washington, DC

The Data Architecture, Technology, and Analytics (DATA) section is looking for an experienced detailed oriented Data Architect/Engineer who will be responsible for expanding and optimizing our data and data pipeline architecture, as well as optimizing data flow and collection for economic policy and research teams. The ideal candidate is an experienced hands-on data modeler with working knowledge of database design and administration, data pipeline building, and data wrangling who enjoys improving existing data systems and/or building them from the ground up.

4 days ago

Washington, DC

4 days ago

Reston, VA

$119,800–$234,700 / year

Masters Degree in Computer Science, Information Technology, or related field AND 2+ years technical experience in software engineering, network engineering, or systems administration OR Bachelors Degree in Computer Science, Information Technology, or related field AND 4+ years technical experience in software engineering, network engineering, or systems administration OR equivalent experience. Our team works across all facets of isolated system engineering and is deeply involved in defining and improving service health through SLIs/SLOs and error budgets, building automation to reduce toil, strengthening observability (logs, metrics, traces), reducing systemic latency, validating and transforming data, and optimizing throughput and capacity.

6 days ago

Tysons, VA

C3 AI delivers a family of fully integrated products including the C3 Agentic AI Platform, an end-to-end platform for developing, deploying, and operating enterprise AI applications, C3 AI applications, a portfolio of industry-specific SaaS enterprise AI applications that enable the digital transformation of organizations globally, and C3 Generative AI, a suite of domain-specific generative AI offerings for the enterprise. • Demonstrated experience in deploying, managing, and operating scalable and fault-tolerant Kubernetes-based infrastructure in AWS and Azure clouds; on-premise deployment experience preferred.

6 days ago

Reston, VA

Client CIO Architecture, Strategy & Innovation (CASI) is responsible to assist Vice President of Information Technology (IT) design, develop, maintain, support, and translate corporate business vision and strategy along with stakeholder input into objectives for building, enhancing, or replacing business and IT systems capabilities, together with an implementation of a comprehensive IT roadmap, all-the-while maintaining resilience to change as a key architectural and strategy objective for the enterprise. • Tasks – might include (neither exhaustive nor restrictive): o Advises and assists IT functional groups to define and implement solutions aligned with a Cloud based Microservices / Service Oriented Architecture (SOA) for infrastructure or business applications.

Today

Laurel, MD

$100,000–$245,000

We are seeking talented team members to apply knowledge from multiple fields—math, physics, engineering, computers science, data science, others—to build and deploy software systems that address problems in these areas, and to ultimately improve the capabilities of our nation's developmental and deployed defensive systems. We are a team of 40+ engineers and scientists who perform innovative research, modeling, analysis, testing, and prototype development in the cruise/ballistic/hypersonic missile defense and electronic warfare domains.

3 days ago

Laurel, MD

$100,000–$245,000

As a member of our team, you will be responsible for the design, development, integration, and test of communications and network software, including protocol implementation, network services, and distributed systems for the Government across numerous departments and agencies. Architect, develop, integrate, and test software-based command and control, secure communication, and networking systems in operationally-realistic environments, working closely with sponsors to ensure mission success.

3 days ago

Laurel, MD

$100,000–$245,000

Our dedicated team of engineers and analysts apply multidisciplinary fields such as sensor and data fusion, signal and image processing, operations research, applied physics, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. As a Modeling and Simulation Engineer / Analyst for ISRT and BMC2 Applications: Your primary responsibility will be to contribute to teams developing mathematical / physics-based models, simulations, analytical methods and tools using Python, MATLAB, government software like AFSIM and other internal M&S tool-sets.

3 days ago

Laurel, MD

$100,000–$245,000

Our engineers and analysts apply a wide-range of disciplines such as sensor and data fusion, signal and image processing, operations research, applied physics, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. Have domain knowledge in ISR processes, systems, platforms, and sensors used by the US military and intelligence community; Navy and Air Force kill chain concepts; targeting, C2, and mission planning processes and tools; threat systems, weapon platforms and systems, and communications networks.

3 days ago

Reston, VA

$100,600–$199,000 / year

Collaboration skills will be required to work closely with other engineering teams to ensure services and systems are highly stable, meet performance Service level agreements (SLA), and meet the expectations of internal and external customers and users. The Microsoft Security organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate.

6 days ago

Arlington, VA

$131,300–$237,350

Leidos’ Defense Systems Kinetics Business Areais seeking a Senior Digital Engineering and Computational Dynamics Engineer to join our team as part of the Strategic High-speed Advanced Development Organization. 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.

3 days ago

Alexandria, VA

$107,900–$195,050

The Cyber Security Systems Engineer will work within a team of engineers, developers, and system administrators adding new capabilities to our enclaves, as well as ensuring the existing systems are secure and performing as intended. 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.

3 days ago

Poolesville, MD

$107,900–$195,050

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. Extensive experience administering enterprise-level data storage systems (Dell Storage Center, Dell Compellent, and Data Domain preferred) with a demonstrated understanding of the following services and technologies.

6 days ago

Bethesda, MD

$107,900–$195,050

You will be working closely with our Cloud Architect, Solution Architects, Systems Engineers, Software Engineers, and Operations Engineering/Manager as well as Government counterparts to perform and manage our cloud solution, cloud computing strategy and all associated documentation. We leverage cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge data exploitation, enrichment, triage, and analytics capabilities to Defense and Intelligence Community members.

3 days ago

Bethesda, MD

$107,900–$195,050

1 day ago

Bethesda, MD

$131,300–$237,350

The focus is on requirements analysis, solution design, system and interface engineering, workflow engineering, integration and test planning, technical documentation, risk management, and delivery coordination across Appian workflows, microservices, and enterprise system architectures. You will work across systems engineering, software development, architecture, Agile delivery, and stakeholder engagement to translate mission needs into technical requirements, system designs, workflow designs, interface definitions, test approaches, and implementable backlog items.

1 day ago

Glenwood, MD

$87,100–$157,450

TFDM program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management provides that efficiencies for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. June 3, 2026For 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.

6 days ago

Laurel, MD

$100,000–$245,000

Your primary responsibility will be to develop, maintain, and continuously update a secure library of containerized software and supporting stacks, along with implementing automated pipelines for container builds, testing, and validation and ensuring compatibility across multiple operating systems and architectures. Working within the Advanced Mission Modeling and AI Group (JAM) in the National Security Analysis Department (NSAD), you will play a critical role in ensuring that AI capabilities are not just developed—but successfully fielded and maintained across DoD and Combatant Command infrastructures.

3 days ago

Burke, VA

$107,900–$195,050

p>The Leidos Spatial Solutions Division has an exciting opportunity for a senior DevOps Engineer to assist with the development, integration, deployment, and sustainment of mission critical systems that enable NGA's Geospatial Intelligence (GEOINT) mission collecting sciences, technology and tradecraft measuring and modeling the Globe to provide three-dimensional accuracy of every point in, on, or above the Earth. June 1, 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.

6 days ago

Arlington, VA

$90,000–$180,000

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. Projects involve small multi-disciplinary teams of engineers working together in spiral or agile development environments to meet aggressive customer schedules aimed at near-term field demonstrations.

3 days ago

Alexandria, VA

$87,100–$157,450

If you’ve been building your skills in backend development, object‑oriented programming, and mission‑driven engineering, and you’re ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want to grow while making real impact. 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.

3 days ago

Gaithersburg, MD

$107,900–$195,050

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. Requires BS degree (Computer Science, Engineering or related field) and 10+ year’s of prior relevant experience OR, MS with 7+ year’s of prior relevant experience; OR 7 years of additional experience in lieu of degree.

3 days ago

Alexandria, VA

$87,100–$157,450

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. Basic Qualifications: Requires BS degree (Computer Science, Engineering or related field) and 7+ year’s of prior relevant experience OR, MS with 5+ year’s of prior relevant experience; OR 4 years of additional experience in lieu of degree.

3 days ago

Arlington, VA

$107,900–$195,050

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. Our division primarily focuses on research & development and advanced prototyping, transforming state-of-the-art signal processing algorithms into real-time software systems deployed on advanced RF platforms.

3 days ago

Gaithersburg, MD

$107,900–$195,050

Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world. Leidos Intel Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.

3 days ago

Arlington, VA

$69,550–$125,725

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. Bachelor’s Degree in Computer Engineering, Electrical Engineering, or Computer Science and 2+ years of experience for a Master’s degree and relevant experience.

3 days ago

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Linux Engineer Jobs in Herndon, VA

Linux Engineer MANTECH

Entry Level Software Integrator | Clearance | Linux/Windows Jobot

Linux System Engineer Leidos

System Engineer Jobot

Systems Engineer Jobot

Senior Software Engineer (C++ / Java) Jobot

Systems Engineer (Intelligent Transportation System Industry Exp Required) Jobot

Senior Linux System Administrator Leidos

Sr. Software Engineer Jobot

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

Lead, Software Engineer L3Harris Technologies

Formal Verification and Software Assurance Engineer Johns Hopkins Applied Physics Laboratory (APL)

System/DevSecOps Engineer NuAxis Innovations

Systems Administrator/Engineer Mitchell Martin

Hybrid Cloud Engineer ECLARO

Sr. System Engineer - ArcGIS Esri

System Engineer - ArcGIS Esri

Sr. Site Reliability Engineer - AWS Geospatial Technology Esri

System Engineer - Cyber Security Engineering Focus Esri

Mid-Level SQL Engineer Leidos

Site Reliability Engineer (SRE) System One

Senior Telecom Software Engineer (TS/SCI clearance) System One

Data Security Engineer System One

Mid Level Cyber Security Engineer System One

Senior IT Data Engineer System One

Senior IT Data Engineer (onsite) System One

Site Reliability Engineer - CTJ - POLY Microsoft

Senior/Lead Site Reliability Engineer – Federal C3 AI

Engineer; Cloud Systems or Architect, Cloud Systems GCP (Google Cloud Professional) (SME) PlanIT Group

Software Engineer for Sensor/Weapon Command & Control Johns Hopkins Applied Physics Laboratory (APL)

Network Software Engineer Johns Hopkins Applied Physics Laboratory (APL)

Modeling & Simulation Engineer / Analyst for ISRT & BMC2 Applications Johns Hopkins Applied Physics Laboratory (APL)

Senior Engineer / Analyst for ISRT & BMC2 Applications Johns Hopkins Applied Physics Laboratory (APL)

Software Engineer II - CTJ - Top Secret Microsoft

Senior Kinetics DE/CD Engineer Leidos

Cyber Security Systems Engineer Leidos

Data Storage Engineer Leidos

Infrastructure Engineer Leidos

Cloud Engineer Leidos

Senior Systems Engineer Leidos

Lead Systems Integration Engineer Leidos

AI Platform and DevSecOps Engineer Johns Hopkins Applied Physics Laboratory (APL)

Senior DevOps Engineer Leidos

Real-Time Software Engineer Leidos

Mid-Level Backend Software Engineer Leidos

AI Software Engineer Lead Leidos

AI Software Engineer Leidos

Senior Software Defined Radio (SDR) Engineer Leidos

Senior Software Engineer Leidos

GPU Software Engineer Leidos

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