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118 Leidos Linux System Engineer Jobs Hiring Near You

Leidos

MBSE Modeling and Simulation Engineer

Dayton, OH · On-site

$87K - $157K/yr

Leidos is hiring a Model Based Systems Engineer (MBSE) Modeling and Simulation Engineer with an active DoD TS/SCI clearance at Wright-Patterson Air Force Base, Ohio. We need an engineer with ...

Leidos

Kinetics AFSIM Analyst/Engineer

Beavercreek, OH

$87K - $157K/yr

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

Leidos

Hardware Test Engineer

Dayton, OH · On-site

$87K - $157K/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 ...

Leidos

Kinetics AFSIM Analyst/Engineer

Beavercreek, OH · On-site

$87K - $157K/yr

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

Leidos

Hybrid SATCOM Chief Engineer

Beavercreek, OH · Hybrid

Leidos is seeking a highly experienced Hybrid SATCOM Chief Engineer to provide technical leadership ... Lead systems engineering activities across the complete acquisition lifecycle, including Analysis ...

New

Leidos

Digital Engineer

Beavercreek, OH · On-site

$107K - $195K/yr

Apply systems engineering, systems modeling, product lifecycle management, and related techniques ... At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We ...

Leidos

Digital Engineer

Beavercreek, OH

$107K - $195K/yr

Apply systems engineering, systems modeling, product lifecycle management, and related techniques ... At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We ...

Leidos

Senior Kinetics DE/CD Engineer

Beavercreek, OH · On-site

$93K - $126K/yr

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 ...

Leidos

Hybrid SATCOM Chief Engineer

Beavercreek, OH · On-site

$131K - $237K/yr

The Chief Engineer will provide technical leadership for an integrated engineering organization ... by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo ...

New

Leidos

Senior Kinetics DE/CD Engineer

Beavercreek, OH

$93K - $126K/yr

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 ...

Leidos

Senior Kinetics DE/CD Engineer

Beavercreek, OH · On-site

$131K - $237K/yr

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 ...

Leidos

Mechanical Modeling Engineer

Dayton, OH

$87K - $157K/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

Mechanical Modeling Engineer

Dayton, OH · On-site

$87K - $157K/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

DCO Counter-Measures Engineer

Whitehall, OH

$107K - $195K/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

DCO Counter-Measures Engineer

Whitehall, OH · On-site

$107K - $195K/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.

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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.

What makes Leidos an attractive place to work?

Leidos is a leading provider of technology, engineering, and cybersecurity solutions to the U.S. government and other organizations, with a strong reputation for delivering innovative and effective solutions. The company fosters a collaborative and dynamic work environment that encourages innovation, creativity, and professional growth, with opportunities for employees to work on complex and challenging projects. By joining Leidos, individuals can contribute to making a meaningful impact in critical areas such as national security, healthcare, and environmental sustainability, while also developing their skills and advancing their careers.

Do workers at Leidos get paid breaks?

Sometimes. Only some people get paid breaks.
43% of people say they don’t get paid breaks.
Based on data from 44 people who took the Breakroom Quiz between June 2025 and June 2026.

Does Leidos pay people when they’re sick?

Sometimes. Only some people get paid when they’re sick.
35% of people say they wouldn’t get paid if they were sick but scheduled to work.
Based on data from 63 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.
64% of people say they have to use vacation days when they’re out sick.
Based on data from 59 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.
93% of people say the health insurance costs are okay
Based on data from 54 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.
98% of people say they get paid time off.
Based on data from 63 people who took the Breakroom Quiz between June 2025 and June 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.
45% report that they don’t have enough control over which shifts they work.
Based on data from 38 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.
79% of people report that it’s easy to change shifts if they need to.
Based on data from 53 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 56 people who took the Breakroom Quiz between June 2025 and June 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 42 people who took the Breakroom Quiz between April 2025 and April 2026.

Do jobs at Leidos spill into time workers aren’t paid for?

Rarely. The job doesn't usually spill into unpaid time.
18% of people report that their job takes up time that they don’t get paid for.
Based on data from 44 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.
90% of people report that it’s easy to take time off if they are sick.
Based on data from 61 people who took the Breakroom Quiz between June 2025 and June 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.
87% of people who care for a child or other relative report this is a good place to work.
Based on data from 54 people who took the Breakroom Quiz between December 2024 and June 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 59 people who took the Breakroom Quiz between June 2025 and June 2026.

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

Most people get breaks without interruption.
80% of people report that they get to take their breaks without interruption.
Based on data from 50 people who took the Breakroom Quiz between June 2025 and June 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 60 people who took the Breakroom Quiz between June 2025 and June 2026.

Do people at Leidos enjoy their jobs?

Most people enjoy their job.
77% of people report they enjoy their job.
Based on data from 53 people who took the Breakroom Quiz between June 2025 and June 2026.

Do people at Leidos recommend working with their team?

Only some people recommend working with their team.
41% of people report that they wouldn’t recommend working with their immediate team to a friend.
Based on data from 63 people who took the Breakroom Quiz between June 2025 and June 2026.

Do people get enough training when they start at Leidos?

Most people got enough training when they started.
67% of people report they got enough training when they started working here.
Based on data from 60 people who took the Breakroom Quiz between June 2025 and June 2026.

Do people get support to advance at Leidos?

Only some people are given support to advance their career here.
In the last year, 41% of people report not being given support to advance their career here.
Based on data from 58 people who took the Breakroom Quiz between June 2025 and June 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.
69% 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 55 people who took the Breakroom Quiz between June 2025 and June 2026.

Do workers feel well informed about how Leidos is doing?

Most people feel well informed about how the company is doing.
68% of people feel that they are kept well informed about how the company is doing as a whole.
Based on data from 57 people who took the Breakroom Quiz between June 2025 and June 2026.
What other companies are hiring for Linux System Engineer jobs?
What are the most popular jobs at Leidos?
What are the most popular categories at Leidos?
Infographic showing various Linux System Engineer job openings at Leidos in the United States as of July 2026, with employment types broken down into 99% Full Time, and 1% Part Time. Highlights an 96% Physical, 2% Hybrid, and 2% Remote job distribution.
Linux and Windows Systems Administrator

Linux and Windows Systems Administrator

Leidos

Beavercreek, OH • On-site

$69K - $125K/yr

Full-time

Posted 13 days ago

Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 149 frontline employees who took The Breakroom Quiz

56th of 451 rated business services

Job description

Leidos Corporate Information Security Office (CISO), reporting through the Digital sector, is seeking a Linux and Windows System Administrator to support and maintain complex classified environments. The selected candidate will be responsible for administering, securing, troubleshooting, and maintaining Windows and Linux systems across physical and virtual infrastructures. This role supports mission-critical operations by ensuring system availability, compliance with security requirements, and reliable day-to-day operations within a secure enterprise environment.
Location: All work will be performed onsite in our Beavercreek, OH office.
Clearance: You must currently carry an active DoD Secret clearance to qualify for consideration.
Primary Responsibilities
  • Administer and maintain Windows Workstations, Windows Server, and Linux systems (RHEL, Rocky Linux, Ubuntu) across physical, virtual, and air-gapped environments.
  • Perform Tier 2 incident resolution, troubleshoot technical issues, conduct root-cause analysis, and collaborate with engineering, cybersecurity, and stakeholders to resolve complex problems.
  • Execute system patching, vulnerability remediation, configuration management, and compliance activities.
  • Implement and maintain monitoring, logging, backup and recovery solutions, and operational documentation/runbooks.
  • Support account and access administration in accordance with least-privilege principles and organizational security policies.
  • Automate repetitive administrative tasks using PowerShell, Bash, Ansible, or similar automation tools.
  • Deploy and maintain operating system images using PXE/network boot, Kickstart, disk imaging, answer files, and automated installation methods.
  • Perform system hardening and security compliance using DISA STIGs, SCAP, and NIST 800-53 security controls.
  • Administer and troubleshoot Active Directory, DNS, DHCP, file servers, virtualization platforms, and Layer 2 network switching, including VLAN configuration, TCP/IP connectivity, and switch port administration in an air-gapped environment.
  • Support dual-boot bare-metal systems and virtualized environments.
  • Participate in after-hours support and on-call rotations as required.
  • Research, analyze, and resolve Windows, Linux, and networking issues to maintain system availability, reliability, and performance.

Basic Qualifications
  • Current Active DoD Secret security clearance.
  • Current CompTIA Security+ certification.
  • Bachelor's degree in a technical field with 2-4 years of relevant experience. Additional years of experience may be considered in lieu of a degree.
  • Experience administering Windows Server and Linux systems in secure or air-gapped environments.
  • Experience implementing DISA STIGs, SCAP, NIST 800-53 security controls, and system hardening practices.
  • Experience administering:
    • Active Directory
    • DNS
    • DHCP
    • File Servers
  • Experience building, integrating, maintaining, troubleshooting, and remediating Windows and Linux systems.
  • Experience deploying operating systems using PXE, Kickstart, ISO/disk imaging, and automated installation methods.
  • Experience configuring and troubleshooting Layer 2 switching, VLANs, TCP/IP, and network connectivity.
  • Experience managing Windows and Linux updates, patching, and vulnerability remediation.
  • Ability to develop automation scripts using PowerShell and Bash.
  • Familiarity with Linux software repository management.
  • Ability to work independently and collaboratively with minimal supervision.
  • Strong analytical, communication, and problem-solving skills.

Preferred Qualifications
  • Red Hat Certified System Administrator (RHCSA) certification.
  • Experience administering VMware, Hyper-V, or other virtualized environments.
  • Experience with automation and configuration management tools, including Ansible.
  • Experience supporting secure or classified DoD environments.
  • Knowledge of backup, recovery, logging, and monitoring solutions.
  • Experience performing DISA STIG remediation, SCAP compliance validation, and vulnerability scanning using Tenable Nessus.

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:
July 2, 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 $69,550.00 - $125,725.00
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.

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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

Social media

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