Leidos
Leidos

120 Leidos Lead Software Developer Jobs Hiring Near You

Lead Software Developer

Gaithersburg, MD · On-site

$87K - $157K/yr

Software Developer UK NASR PDT Evolution Program Leidos is seeking a Software Developer to be based ... Lead software development activities independently and as part of a collaborative engineering team

Lead Software Developer

Eagan, MN · Hybrid

$87K - $157K/yr

Software Developer UK NASR PDT Evolution Program Leidos is seeking a Software Developer to be based ... Lead software development activities independently and as part of a collaborative engineering team

Software Developer UK NASR PDT Evolution Program Leidos is seeking a Software Developer to be based ... Lead software development activities independently and as part of a collaborative engineering team

Leidos is seeking a Lead Software Developer - Early Systems Integration (ESI) to be based in Gaithersburg, MD; Eagan, MN; or Egg Harbor, NJ. This position will support the United Kingdom National ...

Lead Software Developer

Gaithersburg, MD · On-site

$87K - $157K/yr

Leidos is seeking a Lead Software Developer - Early Systems Integration (ESI) to be based in Gaithersburg, MD; Eagan, MN; or Egg Harbor, NJ. This position will support the United Kingdom National ...

Lead Software Developer

Eagan, MN · Hybrid

$87K - $157K/yr

Leidos is seeking a Lead Software Developer - Early Systems Integration (ESI) to be based in Gaithersburg, MD; Eagan, MN; or Egg Harbor, NJ. This position will support the United Kingdom National ...

Leidos is seeking a Lead Software Developer - Early Systems Integration (ESI) to be based in Gaithersburg, MD; Eagan, MN; or Egg Harbor, NJ. This position will support the United Kingdom National ...

Lead Software Developer

Herndon, VA · On-site

$131K - $237K/yr

Leidos is in need of a software application developer to support a dynamic and exciting software ... In this role as a Lead Software Developer, you will mentor and guide the work on a small agile team.

Lead Software Developer

Gaithersburg, MD · On-site

$87K - $157K/yr

Leidos is seeking Lead Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems. This ...

Lead Software Developer

Gaithersburg, MD · On-site

$87K - $157K/yr

Leidos is seeking Lead Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems. This ...

Lead Software Developer

Ashburn, VA · On-site

$87K - $157K/yr

Leidos is seeking Lead Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems. This ...

Lead Software Developer

Herndon, VA · On-site

$131K - $237K/yr

Leidos is in need of a software application developer to support a dynamic and exciting software ... In this role as a Lead Software Developer, you will mentor and guide the work on a small agile team.

Lead Software Developer

Ashburn, VA · On-site

$118K - $148K/yr

Overview Leidos is seeking Lead Software Developers to join the Air Traffic Business Area within the Homeland Sector , supporting the development of the Alaska Automation Capability (AAC) . AAC is ...

Lead Software Developer

Egg Harbor Township, NJ · On-site

$114K - $143K/yr

Leidos is looking for a Software Developer focusing on System Management supporting our Federal Aviation Administration (FAA) Terminal Flight Data Manager (TFDM) program. The successful candidate ...

Lead Software Engineer

Huntsville, AL · On-site

$87K - $157K/yr

Leidos' Defense Systems , Threat Modeling and Simulation Portfolio , is seeking a talented lead software developer with the ability and experience to work multiple projects (primarily modeling ...

Leidos' Defense Systems , Threat Modeling and Simulation Portfolio , is seeking a talented lead software developer with the ability and experience to work multiple projects (primarily modeling ...

Leidos' Defense Systems , Threat Modeling and Simulation Portfolio , is seeking a talented lead software developer with the ability and experience to work multiple projects (primarily modeling ...

Lead AI Software Developer

Gaithersburg, MD · On-site

$125K - $157K/yr

Leidos is seeking a Lead AI Software Developer to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Baseline . Common Baseline is a ...

Lead AI Software Developer

Gaithersburg, MD · On-site +1

$125K - $157K/yr

Leidos is seeking a Lead AISoftware Developer to join the Air Traffic Business Area within the ... As a member of a Scaled Agile software development organization, you will contribute to the ...

Showing results 61-80

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.
34% of people say they don’t get paid breaks.
Based on data from 112 people who took the Breakroom Quiz between November 2024 and September 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 41 people who took the Breakroom Quiz between October 2025 and September 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.
65% of people say they have to use vacation days when they’re out sick.
Based on data from 37 people who took the Breakroom Quiz between October 2025 and September 2026.

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

Most people say the health insurance costs are okay.
91% of people say the health insurance costs are okay
Based on data from 35 people who took the Breakroom Quiz between October 2025 and September 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 44 people who took the Breakroom Quiz between October 2025 and September 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.
89% of people report it’s easy to get time off.
Based on data from 37 people who took the Breakroom Quiz between October 2025 and September 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 41 people who took the Breakroom Quiz between October 2025 and September 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.
88% of people who care for a child or other relative report this is a good place to work.
Based on data from 56 people who took the Breakroom Quiz between December 2024 and August 2026.

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

Most people feel treated with respect by their managers.
80% of people say they’re treated with respect by their managers.
Based on data from 41 people who took the Breakroom Quiz between October 2025 and September 2026.

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

Most people get breaks without interruption.
72% of people report that they get to take their breaks without interruption.
Based on data from 36 people who took the Breakroom Quiz between October 2025 and September 2026.

Is it stressful to work at Leidos?

Some people feel stressed here.
65% of people say they often feel stressed at work.
Based on data from 43 people who took the Breakroom Quiz between October 2025 and September 2026.

Do people at Leidos enjoy their jobs?

Most people enjoy their job.
70% of people report they enjoy their job.
Based on data from 37 people who took the Breakroom Quiz between October 2025 and September 2026.

Do people at Leidos recommend working with their team?

Only some people recommend working with their team.
45% of people report that they wouldn’t recommend working with their immediate team to a friend.
Based on data from 44 people who took the Breakroom Quiz between October 2025 and September 2026.

Do people get enough training when they start at Leidos?

Some people didn’t get enough training when they started.
40% of people report they didn’t get enough training when they started working here.
Based on data from 42 people who took the Breakroom Quiz between October 2025 and September 2026.

Do people get support to advance at Leidos?

Only some people are given support to advance their career here.
In the last year, 49% of people report not being given support to advance their career here.
Based on data from 41 people who took the Breakroom Quiz between October 2025 and September 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.
75% 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 40 people who took the Breakroom Quiz between October 2025 and September 2026.

Do workers feel well informed about how Leidos is doing?

Only some people feel well informed about how the company is doing.
36% of people feel that they aren’t kept well informed about how the company is doing as a whole.
Based on data from 42 people who took the Breakroom Quiz between October 2025 and September 2026.
Infographic showing various Lead Software Developer job openings at Leidos in the United States as of September 2026, with employment types broken down into 98% Full Time, and 2% Part Time. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution.

Lead Software Developer

Gaithersburg, MD • On-site

Leidos
IT Services • 10K+ employees

$87K - $157K/yr

Full-time

This job post has expired today. Applications are no longer accepted.


Leidos rating

8.3

Company rating: 8.3 out of 10

Based on 153 frontline employees who took The Breakroom Quiz


Job description

Job Description
Software Developer
UK NASR PDT Evolution Program
Leidos is seeking a Software Developer to be based in Gaithersburg, MD; Eagan, MN; or Egg Harbor, NJ. This position will support the United Kingdom National Airspace System Replacement Product Delivery Team - UK NASR PDT. This effort delivers enhanced capabilities to replace and modernize the current operational system supporting UK air traffic services.
You will join a dynamic engineering team responsible for building and sustaining real-time, high-availability, safety-critical systems that directly support national airspace operations.
Location
This is a U.S.-based position that offers a balanced hybrid schedule between 2-3 days in the office per week.
What You'll Do
  • Design, develop, test, and maintain software for real-time, high-availability systems
  • Lead software development activities independently and as part of a collaborative engineering team
  • Analyze complex system requirements and translate them into efficient, maintainable software designs
  • Apply sound software engineering principles to ensure code is reliable, fault tolerant, reusable, and maintainable
  • Lead and mentor junior developers, influencing technical direction and development processes
  • Participate in Agile ceremonies including daily stand-ups, release planning, and sprint reviews
  • Develop, tune, document, and deploy automation scripts across development, test, and production environments
  • Promote code reuse, cross-program collaboration, and sustainable development practices
  • Support system integration activities, including hardware and low-level communications interfaces

Required Qualifications
  • Bachelor's degree in Computer Science or related field with 4-8 years of relevant experience
    • OR Master's degree with 2-6 years of relevant experience
  • Ability to obtain and maintain a Public Trust clearance
  • Strong object-oriented programming experience
  • Proficiency in C and/or C++
  • Experience developing real-time, multi-threaded, high-availability systems
  • Experience with Linux environments (Red Hat), virtual machines, and hypervisors
  • Experience with low-level communications protocols (TCP/IP, UDP, SCTP)
  • Experience with hardware or complex system integration
  • Familiarity with system maintenance and lifecycle concepts
  • Experience with source control and configuration management tools
  • Strong understanding of modern software development principles and best practices
  • Ability to plan and prioritize work effectively in a fast-paced environment
  • Strong verbal and written communication skills
  • Demonstrated ability to work independently and collaboratively
  • US Citizenship Required

Preferred Qualifications
  • Experience with Ada
  • Experience with test automation frameworks
  • Familiarity with AI/ML tools applied within software development workflows

Why Leidos
You'll contribute to software systems where reliability, performance, and precision are essential. This is an opportunity to work on mission-critical infrastructure supporting national airspace operations - collaborating with experienced engineers to modernize complex, real-world systems.
If you are motivated by solving technically challenging problems in regulated, operational environments, we encourage you to apply.
ATMC
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:
August 19, 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 $87,100.00 - $157,450.00
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.

What Leidos employees say

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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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