Leidos
Leidos

119 Leidos Linux System Engineer Jobs Hiring Near You

Leidos' Defense Systems Kinetics Business Area is seeking a Senior Digital Engineering and ... Windows/Linux OS * Git/SVN * CMMI and Coding standard experience * Experience performing V&V and VV ...

Test Engineer

Dayton, OH · On-site

$69.55K - $125.73K/yr

As the Test Engineer, you will be involved in the full lifecycle of testing activities for a custom ... Working knowledge of embedded systems NKE If you're looking for comfort, keep scrolling. At Leidos ...

Mechanical Modeling Engineer

Dayton, OH · On-site

$87.10K - $157.45K/yr

Leidos has an immediate & exciting opportunity for a TS/SCI cleared Mechanical Modeling Engineer in ... Produce high confidence answers to problems of interest on space systems. * Perform all-source ...

Leidos has an immediate & exciting opportunity for a TS/SCI cleared Mechanical Modeling Engineer in ... Produce high confidence answers to problems of interest on space systems. * Perform all-source ...

DCO Counter-Measures Engineer

Whitehall, OH · On-site

$107.90K - $195.05K/yr

Leidos' Digital Modernization sector has a current job opportunity for a Defensive Cyber Operations ... Experience in Linux and Windows-based systems administration in a cloud or virtualized environment.

Leidos is seeking a motivated, detailed-oriented problem-solver to join our modeling and simulation ... Develop, integrate, and test models of aerospace systems based on provided information, research ...

Leidos is seeking a motivated, detailed-oriented problem-solver to join our modeling and simulation ... Develop, integrate, and test models of aerospace systems based on provided information, research ...

Network Engineer

Beavercreek, OH · On-site

$92.30K - $166.85K/yr

Leidos is seeking an experienced Network Engineer to provide senior-level engineering and technical ... Coordinate with cybersecurity, systems engineering, infrastructure, and operations teams to ensure ...

Leidos' Digital Modernization sector has a current job opportunity for a Defensive Cyber Operations ... Experience in Linux and Windows-based systems administration in a cloud or virtualized environment.

As the Test Engineer, you will be involved in the full lifecycle of testing activities for a custom ... Working knowledge of embedded systems NKE If you're looking for comfort, keep scrolling. At Leidos ...

Hardware Test Engineer

Dayton, OH · On-site

$87.10K - $157.45K/yr

As the Test Engineer, you will be involved in the full lifecycle of testing activities for a custom ... Working knowledge of embedded systems NKE If you're looking for comfort, keep scrolling. At Leidos ...

Network Engineer

Beavercreek, OH

$92.30K - $166.85K/yr

Leidos is seeking an experienced Network Engineer to provide senior-level engineering and technical ... Coordinate with cybersecurity, systems engineering, infrastructure, and operations teams to ensure ...

Leidos is seeking a motivated, detailed-oriented problem-solver to join our modeling and simulation ... Develop, integrate, and test models of aerospace systems based on provided information, research ...

AFSIM Lead Analyst

Beavercreek, OH · On-site

$131.30K - $237.35K/yr

Leidos' Defense Systems Kinetics Business Area is seeking a Principal AFSIM Analyst/Engineer to ... Experience with the Linux operating environment * Possession of excellent verbal and written ...

IT Specialist

Beavercreek, OH · On-site

$92.30K - $166.85K/yr

Position Summary: Leidos is seeking an experienced IT Specialist to provide technical and ... Coordinate with cybersecurity, network engineering, and systems administration teams to ensure ...

IT Specialist

Beavercreek, OH

$92.30K - $166.85K/yr

Position Summary: Leidos is seeking an experienced IT Specialist to provide technical and ... Coordinate with cybersecurity, network engineering, and systems administration teams to ensure ...

Senior Transmission Line Engineer

Columbus, OH · On-site +1

$73.45K - $132.78K/yr

Description We are seeking a Senior Transmission Line Engineer who will work as a member of a ... by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo ...

Showing results 21-40

Leidos Jobs Information

What is it like to work at Leidos?

Leidos is a company that values innovation, collaboration, and customer satisfaction, fostering a culture of teamwork and continuous learning. The company's structure is often organized around mission-focused teams, with employees working on projects that support national security, healthcare, and environmental initiatives, often in dynamic and fast-paced environments. Working at Leidos may appeal to candidates who are passionate about making a difference in their communities and are interested in contributing to projects that have a significant impact on society.

Do workers at Leidos get paid breaks?

Sometimes. Only some people get paid breaks.
36% of people say they don’t get paid breaks.
Based on data from 55 people who took the Breakroom Quiz between April 2025 and April 2026.

Does Leidos pay people when they’re sick?

Sometimes. Only some people get paid when they’re sick.
34% of people say they wouldn’t get paid if they were sick but scheduled to work.
Based on data from 61 people who took the Breakroom Quiz between May 2025 and May 2026.

At Leidos, are sick days and vacation days separate paid time off?

Only some people have separate paid time off for sick days and vacation.
63% of people say they have to use vacation days when they’re out sick.
Based on data from 57 people who took the Breakroom Quiz between May 2025 and April 2026.

Is the health insurance from Leidos affordable enough for their workers?

Most people say the health insurance costs are okay.
92% of people say the health insurance costs are okay
Based on data from 52 people who took the Breakroom Quiz between May 2025 and May 2026.

Do people get paid time off at Leidos?

Most people get paid time off work.
97% of people say they get paid time off.
Based on data from 66 people who took the Breakroom Quiz between May 2025 and May 2026.

How far ahead of time do people find out their work schedule?

Most people find out their schedule less than four weeks ahead of time.
  • 44% of people with changing schedules find out their shifts one week or less ahead of time.
  • 20% of people with changing schedules find out their shifts two weeks ahead of time.
  • 12% of people with changing schedules find out their shifts three weeks ahead of time.
  • 24% of people with changing schedules find out their shifts four weeks or more ahead of time.

Based on data from 25 people who took the Breakroom Quiz between November 2024 and March 2026.

Do workers at Leidos worry about hours?

Most people don’t worry about getting enough hours.
95% of people report they don’t worry about getting enough hours.
Based on data from 42 people who took the Breakroom Quiz between April 2025 and April 2026.

Do Leidos workers get to choose the shifts they work?

Some people don’t get to choose which shifts they work.
46% report that they don’t have enough control over which shifts they work.
Based on data from 37 people who took the Breakroom Quiz between March 2025 and March 2026.

How easy is it for Leidos workers to change shifts?

Most people find it easy to change shifts.
78% of people report that it’s easy to change shifts if they need to.
Based on data from 51 people who took the Breakroom Quiz between December 2024 and April 2026.

How easy is it to get time off at Leidos?

Most people find it easy to get time off.
88% of people report it’s easy to get time off.
Based on data from 58 people who took the Breakroom Quiz between May 2025 and May 2026.

Do Leidos managers change schedules at the last minute?

Most managers don’t change people’s schedules at the last minute.
100% of people say their manager doesn’t change their shift schedule at the last minute.
Based on data from 40 people who took the Breakroom Quiz between April 2025 and April 2026.

Do workers at Leidos do extra work that they don't get paid for?

Rarely. Most people don’t do unpaid extra work.
83% of people report that they don’t do extra unpaid work.
Based on data from 42 people who took the Breakroom Quiz between April 2025 and April 2026.

How easy is it to take sick days at Leidos?

Most people find it easy to take sick days.
91% of people report that it’s easy to take time off if they are sick.
Based on data from 64 people who took the Breakroom Quiz between May 2025 and May 2026.

Is a Leidos job good for students?

Most students say this is a good place to work if you’re studying.
81% of students report this is a good place to work if you’re studying.
Based on data from 16 people who took the Breakroom Quiz between December 2024 and April 2026.

Is working at Leidos good if you’re a parent or caregiver?

Most parents and caregivers say this is a good place to work.
86% of people who care for a child or other relative report this is a good place to work.
Based on data from 51 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people at Leidos feel treated with respect by their managers?

Most people feel treated with respect by their managers.
83% of people say they’re treated with respect by their managers.
Based on data from 63 people who took the Breakroom Quiz between May 2025 and May 2026.

Do people at Leidos get to take their breaks without interruption?

Most people get breaks without interruption.
81% of people report that they get to take their breaks without interruption.
Based on data from 53 people who took the Breakroom Quiz between May 2025 and May 2026.

Is it stressful to work at Leidos?

Some people feel stressed out here.
60% of people say they often feel stressed out at work.
Based on data from 62 people who took the Breakroom Quiz between May 2025 and May 2026.

Do people at Leidos enjoy their jobs?

Most people enjoy their job.
78% of people report they enjoy their job.
Based on data from 54 people who took the Breakroom Quiz between May 2025 and May 2026.

Do people at Leidos recommend working with their team?

Only some people recommend working with their team.
42% of people report that they wouldn’t recommend working with their immediate team to a friend.
Based on data from 67 people who took the Breakroom Quiz between May 2025 and May 2026.

Do people get enough training when they start at Leidos?

Most people got enough training when they started.
69% of people report they got enough training when they started working here.
Based on data from 62 people who took the Breakroom Quiz between May 2025 and May 2026.

Do people get support to advance at Leidos?

Only some people are given support to advance their career here.
In the last year, 48% of people report not being given support to advance their career here.
Based on data from 61 people who took the Breakroom Quiz between May 2025 and May 2026.

Do people think Leidos’s headquarters understands what’s happening where they work?

Most people think headquarters doesn’t understand what’s happening where they work.
70% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 57 people who took the Breakroom Quiz between May 2025 and May 2026.

Do workers feel well informed about how Leidos is doing?

Most people feel well informed about how the company is doing.
71% of people feel that they are kept well informed about how the company is doing as a whole.
Based on data from 59 people who took the Breakroom Quiz between May 2025 and May 2026.
What other companies are hiring for Linux System Engineer jobs?
Infographic showing various Linux System Engineer job openings at Leidos in the United States as of May 2026, with employment types broken down into 98% Full Time, and 2% Part Time. Highlights an 85% Physical, 7% Hybrid, and 8% Remote job distribution.
Senior Kinetics DE/CD Engineer

Senior Kinetics DE/CD Engineer

Leidos

Beavercreek, OH

$131.30K - $237.35K/yr

Full-time

Medical, Retirement, PTO

Posted 4 days ago


Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 146 frontline employees who took The Breakroom Quiz

57th of 425 rated business services


Job description

Description

Looking for an opportunity to make an impact?

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.

Your greatest work is ahead!

Leidos’ Defense Systems Kinetics Business Area is seeking a Senior Digital Engineering and Computational Dynamics Engineer to join our team as part of the Strategic High-speed Advanced Development Organization. In this position, the candidate will be expected to apply domain knowledge to digital engineering and CFD modeling and simulation for conceptual system design providing operational analysis and military utility assessments for our nation’s defense. We are looking for an experienced engineer with 12+ years of experience in a similar position. You will be responsible for designing and analyzing high-speed aerodynamic concepts.

Job Responsibilities:

  • Collaborate with multidisciplinary teams to develop, validate, and execute CFD simulations for low-speed and high-speed aerodynamic concepts.
  • Generate high-quality computational meshes using industry-standard meshing software such as Pointwise or Capstone.
  • Utilize advanced CFD solvers and codes (e.g., Kestrel, FUN3D, Cart3D, CBAero, US3D) for aerodynamic analysis and performance prediction.
  • Conduct 6-DoF performance analysis and support flight dynamics assessments.
  • Perform Fluid-Structural-Thermal Interaction (FTSI) analyses to evaluate coupled system behavior under operational environments.
  • Apply stability and controls knowledge to assess and optimize vehicle performance and handling qualities.
  • Develop and automate analysis workflows using Python and/or MATLAB.
  • Prepare technical reports, presentations, and documentation to communicate results and recommendations to stakeholders.
  • Support the preparation of flight test plans and range safety reviews as required.
  • Translating highly technical concepts to program managers, government stakeholders, and customers.

Required Skills:

  • 12+ years of experience in digital engineering, CFD modeling, simulation, and/or analysis for aerospace applications.
  • Aptitude with CFD meshing tools such as Pointwise or Capstone.
  • Hands-on experience with CFD codes including Kestrel, FUN3D, Cart3D, CBAero, and/or US3D.
  • Experience with digital engineering toolsets like UPBEAT, Model Center, Galaxy, etc.
  • Strong background in aerodynamics, aircraft performance, stability and control.
  • Apply digital twin concepts. Connecting requirements, design, manufacturing, and sustainment into one ecosystem.
  • Familiarity with Cameo, JIRA, and Confluence tools.
  • Experience/knowledge of developing and updating DoDAF Views.
  • Experience with 6-DoF analysis and flight dynamics modeling.
  • Practice in and/or understanding various forms of dynamics and multi-physics modeling in a digital engineering environment:
    • Trajectory Analysis (3DOF/6DOF)
    • Flex/Rigid Body Analysis (NDOF)
    • Thermal Analysis (ATAP, Cinda Fluid, Ansys)
    • Structural Analysis (Ansys, ADAMS)
    • Aerodynamics (MDC, Cart3d, Kestrel, etc.)
    • Underwater Hydrodynamics
    • AI/ML (neuro networks, MDAO)
  • Experience or awareness in various vehicle types (not all inclusive):
    • Cruisers (Supersonic and Hypersonic)
    • Missiles
    • Interceptors
    • RVs
    • Glide Body’s
  • Excellent communication, technical writing, and teamwork skills.
  • Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, or related field
  • Active Secret Clearance required.

Desired Skills:

  • Demonstrated capability in Fluid-Structural-Thermal Interaction (FTSI) analysis.
  • Advanced programming skills in Python and MATLAB for simulation automation and data analysis.
  • Proficiency and/or hands on experience with UPBEAT
  • Familiarity with C++ and object-oriented programming
  • Experience with CAD tools such as SolidWorks.
  • Software Development Experience:
    • Python
    • Windows/Linux OS
    • Git/SVN
  • CMMI and Coding standard experience
  • Experience performing V&V and VV&A on M&S
  • Ground Test and/or Flight Test experience
  • Masters Degree in Aerospace Engineering, Mechanical Engineering, or related field

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting: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.

Pay Range:Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. 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.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.


What Leidos employees say

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Benefits

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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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