3,736 Results for

Linux Engineer Jobs in Mclean, 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.

11 days ago

Alexandria, VA

$115,000–$140,000

Overview: GovCIO is currently hiring a highly experienced Senior Systems Engineer to support critical infrastructure modernization and platform engineering activities for the U.S. Coast Guard (USCG). This highly technical role focuses on designing, engineering, and maintaining secure, high-availability Linux enterprise architectures.

Today

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.

Today

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.

3 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.

Today

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.

Today

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.

Today

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.

Today

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.

Today

Reston, VA

Full time

These activities may be under guidance or instruction from management/support personnel or conducted directly by the individual and will include routine on-station operational tasks on the satellites and Ground Control System (GCS), special activities in response to non-nominal conditions, off-line support functions, together with first level trouble shooting and anomaly resolution of the satellites and GCS. 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.

28 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.

3 days ago

Manassas, VA

$90,000–$115,000 / year

Today

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.

6 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.

8 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.

Today

Fairfax, VA

$170,000–$200,000

Strong proficiency with AWS services used in modern DevSecOps platforms, including IAM, ECS/EKS, Lambda, EC2, S3, CloudWatch, CloudTrail, KMS, Secrets Manager, and VPC‑level security controls. The engineer leads development teams in applying security gates, automated builds, and testing within the pipeline and resolves architectural or operational issues affecting the pipeline or cloud‑hosting environment.

Today

Washington, DC

This includes creating test plans, test cases, and test scripts to assess the functionality and performance of hardware components or devices such as motherboard, memory, CPU, storage (SSD, HDD, NVMe) and PCIE devices (NIC, GPU, Mezz cards, RAID cards). Expertise with hardware and API solutions for controlling, managing and stressing L10 devices (servers, network and storage SSDs, NVMe): IPMI, Redfish, mprime, FIO, Linpack, ptugen, memtester.

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.

Today

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.

Today

Lorton, VA

$139,100–$251,450

The ITP mission is to identify insider threats to the department by utilizing advanced analytics, monitoring, and data correlation which in turn help address and eliminate potential threat actors from compromising the DHS mission in safeguarding the homeland. The Digital Modernization Sector at Leidos currently has an opening for a Senior Network Engineer supporting the HEITS Contract as part of the Department of Homeland Security (DHS) Insider Threat Program (ITP).

3 days ago

Fort Meade, MD

$73,450–$132,775

Bachelor's degree plus 5-years of relevant experience, or master’s degree plus 3-years of relevant experience or an associate’s degree plus 7-years of relevant experience or high school diploma/GED plus 9-years of relevant experience may be considered. Relevant experience must be in computer or information systems design/development, programming, information/cyber/network security, vulnerability analysis, penetration testing, computer forensics, information assurance and/or systems engineering.

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.

3 days ago

Gaithersburg, MD

$87,100–$157,450

Leidos Intelligence 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. As a UI/UX Engineer supporting a premier Intelligence Community customer, you’ll turn complex challenges into elegant solutions, working alongside innovative teams to deliver capabilities that strengthen national security.

Today

Clarksburg, 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.

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.

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. 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.

Today

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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Today

Gaithersburg, MD

$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.

Today

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.

Today

Arlington, 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. 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.

Today

Alexandria, VA

$131,300–$237,350

You will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.

Today

Bethesda, MD

$107,900–$195,050

Enhance and maintain CI/CD and DevOps scripts and processes including AI-integrated solutions for failure analysis, security and compliance to facilitate faster development, quicker error detection and resilient deployments. 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.

Today

Arlington, VA

$131,300–$237,350

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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Today

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.

Today

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. June 8, 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.

Today

Arlington, 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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Today

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.

Today

Gaithersburg, MD

$87,100–$157,450

The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. We are a team of forward-looking professionals in need of a strong candidate with these key required skills: Modern Development (Python, Java, PHP), Structured Data (XML, XSD, XSLT, JSON, CSV), Agile / Scrum development, AI-Assisted Development, relational databases (PostgreSQL, MySQL, Oracle).

Today

Washington, DC

$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. June 22, 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.

3 days ago

Buckeystown, MD

$131,300–$237,350

As the Senior System Engineer, you will perform and manage the full spectrum of systems engineering tasks to include requirements analysis, feature, system and interface design, system integration, system testing, as well as working with the SE team in support of Model Based Systems Engineering (MBSE) and all associated documentation. As a senior member of the team, you bring deep expertise in Systems Engineering (SE) and will work closely with Systems Engineers, Software Engineers, Architects as well as Government counterparts on the following key tasks:

3 days ago

Temple Hills, 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. • The candidate should be a proactive leader and team player with strong communication, management, analytical, and problem solving skills; proven ability to thrive in environments that constantly embraces new technology.

3 days ago

Multiple Locations

Full time

BGP proficiency across diverse platforms including Azure VWAN, Arista, Aruba, AWS Transit Gateway, Virtual Network Gateways, VPNs, and Palo Alto. This position typically operates as a team of one, but for larger initiatives you’ll coordinate with engineers borrowed from DevOps, Network Security, and other teams for periods ranging from weeks to months.

6 days ago

Annapolis Junction, MD

$105,000–$175,000
Full time

WS is seeking multiple Software Engineers (Levels 0–2) to design, develop, maintain, and enhance complex software systems, including data‑intensive analytics, novel algorithms, large‑scale data processing, real‑time applications, and business information systems. They will troubleshoot and resolve software issues, apply development and design methodologies appropriate to the environment, and support system‑level design by evaluating hardware/software tradeoffs, promoting software reuse, and assessing COTS/GOTS solutions.

30+ days ago

Columbia, MD

$72,209–$175,204
Full time

System design and software implementation of proof-of-concept prototypes incorporating a variety of engineering disciplines: control theory, software development, signal/video processing, pattern recognition, machine learning, artificial intelligence, high performance computing, applied mathematics, network/web services, and visualization. Senior Software Engineer (Software Engineer 3): 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.

30+ days ago

Columbia, MD

Full time

5+ years of experience in Platform Engineering or Software Development (Go) with Bachelors in related field; OR 3 years relevant experience with Masters in related field; OR High School Diploma or equivalent and 9 years relevant experience. Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.

30+ days ago

Columbia, MD

Full time

Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science. When extending an offer, Enlighten takes a variety of factors into consideration which include, but are not limited to, the role's function, internal equity and a candidate's education or training, work experience, certifications and key skills.

30+ days ago

Columbia, MD

Full time

30+ days ago

Columbia, MD

Full time

30+ days ago

Columbia, MD

Full time

When extending an offer, Enlighten takes a variety of factors into consideration which include, but are not limited to, the role's function, internal equity and a candidate's education or training, work experience, certifications and key skills. Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.

30+ days ago

Columbia, MD

Full time

9+ years of experience in Platform Engineering or Software Development (Go) with Bachelors in related field; OR 7 years relevant experience with Masters in related field; OR High School Diploma or equivalent and 13 years relevant experience. Enlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science.

30+ days ago

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Linux Engineer Jobs in Mclean, VA

Linux Engineer MANTECH

Senior Systems Engineer (Linux) Govcio LLC

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

Sr. Software Engineer Jobot

SPOC Engineer Inmarsat Government, Inc

Lead, Software Engineer L3Harris Technologies

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

System/DevSecOps Engineer NuAxis Innovations

Hybrid Cloud Engineer ECLARO

Mid-Level SQL Engineer Leidos

SME DevSecOps Engineer Govcio LLC

Senior Manufacturing Test Development Engineer JABIL CIRCUIT, INC

Cyber Security Systems Engineer Leidos

Infrastructure Engineer Leidos

Insider Threat Program Senior Network Engineer Leidos

Systems Integration Engineer (NDA-2) Leidos

Data Storage Engineer Leidos

Mid-Level UI/UX Engineer Leidos

Lead Systems Integration Engineer Leidos

Senior DevOps Engineer Leidos

AI Software Engineer Lead Leidos

Senior Software Engineer Leidos

Mid-Level Backend Software Engineer Leidos

AI Software Engineer Leidos

Real-Time Software Engineer Leidos

Sr. Software Engineer TS/SCI Polygraph Leidos

DevOps Engineer Leidos

Principal Software Engineer Leidos

Senior Kinetics DE/CD Engineer Leidos

GPU Software Engineer Leidos

Lead Software Engineer Leidos

Senior Software Defined Radio (SDR) Engineer Leidos

Python Software Engineer Leidos

Lead Systems Engineer Leidos

Senior Systems Engineer Leidos

Systems Engineer Leidos

Principal Network Engineer Infovision

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