ZipRecruiter

Log In

Leidos
Leidos

104 Leidos Senior Python Developer Jobs Hiring Near You

Leidos

Kinetics Sr Software Engineer

Beavercreek, OH · On-site

$107.90K - $195.05K/yr

Leidos' Defense Systems Kinetics Business Area is seeking a Software Developer to join our team as ... We are looking for an experienced C++ and Python Developer with 8+ years of experience in a similar ...

Leidos

Kinetics Sr Software Engineer

Beavercreek, OH · On-site

$107.90K - $195.05K/yr

Leidos' Defense Systems Kinetics Business Area is seeking a Software Developer to join our team as ... We are looking for an experienced C++ and Python Developer with 8+ years of experience in a similar ...

Leidos

Kinetics Software Engineer

Beavercreek, OH · On-site

$69.55K - $125.73K/yr

Leidos' Defense Systems Kinetics Business Area is seeking a Software Developer to join our team as ... We are looking for a C++ and Python Developer with 2-4 years of experience in a similar position.

Leidos

Kinetics Software Engineer

Beavercreek, OH · On-site

$69.55K - $125.73K/yr

Leidos' Defense Systems Kinetics Business Area is seeking a Software Developer to join our team as ... We are looking for a C++ and Python Developer with 2-4 years of experience in a similar position.

Leidos

Senior Kinetics DE/CD Engineer

Beavercreek, OH · On-site

$93.20K - $126.60K/yr

Leidos' Defense Systems Kinetics Business Area is seeking a Senior Digital Engineering and ... Develop and automate analysis workflows using Python and/or MATLAB. * Prepare technical reports ...

Leidos

Senior Kinetics DE/CD Engineer

Beavercreek, OH · On-site

$131.30K - $237.35K/yr

Leidos' Defense Systems Kinetics Business Area is seeking a Senior Digital Engineering and ... Develop and automate analysis workflows using Python and/or MATLAB. * Prepare technical reports ...

Leidos

Senior Kinetics DE/CD Engineer

Beavercreek, OH · On-site

$93.20K - $126.60K/yr

Leidos' Defense Systems Kinetics Business Area is seeking a Senior Digital Engineering and ... Develop and automate analysis workflows using Python and/or MATLAB. * Prepare technical reports ...

Leidos

Senior Software Engineer

Beavercreek, OH · On-site

$107.90K - $195.05K/yr

Leidos is dedicated to making the world a safer place. This starts with helping our customers in ... C++, Java, Python * Experienced in systems integration, maintenance, and troubleshooting of complex ...

Leidos

Senior Software Engineer

Beavercreek, OH · On-site

$107.90K - $195.05K/yr

Leidos is dedicated to making the world a safer place. This starts with helping our customers in ... C++, Java, Python * Experienced in systems integration, maintenance, and troubleshooting of complex ...

Leidos

Senior Transmission Line Engineer

Columbus, OH · On-site +1

Leidos is seeking a Senior Transmission Line Engineer who will work as members of a dynamic team working in a fast-paced environment, solving challenging problems involved with electric transmission.

Leidos

Senior Transmission Line Engineer

Columbus, OH · On-site +1

$73.45K - $132.78K/yr

We are seeking a Senior Transmission Line Engineer who will work as a member of a dynamic team ... This will involve working with a multi-person Leidos team and interfacing with clients, project ...

Leidos

DCO Counter-Measures Engineer

Whitehall, OH

$107.90K - $195.05K/yr

Description Leidos' Digital Modernization sector has a current job opportunity for a Defensive ... Proficiency in programming in at least one modern language (Java, Python, Ruby, C++). * Custom ...

Leidos

Aerospace Modeling and Simulation Engineer

Dayton, OH · On-site

$69.55K - $125.73K/yr

Leidos is seeking a motivated, detailed-oriented problem-solver to join our modeling and simulation ... Experience in C++ or Python * Experience integrating and testing GNC algorithms * Experience with ...

Leidos

Aerospace Modeling and Simulation Engineer

Dayton, OH · On-site

$87.10K - $157.45K/yr

Leidos is seeking a motivated, detailed-oriented problem-solver to join our modeling and simulation ... Experience in C++ or Python * Experience integrating and testing GNC algorithms * Experience with ...

Leidos

Aerospace Modeling and Simulation Engineer

Dayton, OH · On-site

$87.10K - $157.45K/yr

Leidos is seeking a motivated, detailed-oriented problem-solver to join our modeling and simulation ... Experience in C++ or Python * Experience integrating and testing GNC algorithms * Experience with ...

Leidos

Software Engineer

Beavercreek, OH · On-site

$87.10K - $157.45K/yr

Leidos is dedicated to making the world a safer place. This starts with helping our customers in ... C++, Java, Python * Experienced in systems integration, maintenance, and troubleshooting of complex ...

next page

Showing results 1-20

All JobsLeidos JobsLeidos Senior Python Developer Jobs

Leidos Jobs Information

What are the key skills and qualifications needed to thrive as a Senior Python Developer, and why are they important?

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by Senior Python Developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.

What are the main responsibilities of a Senior Python Developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

What is the difference between Senior Python Developer vs Python Developer?

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

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 Senior Python Developer jobs?
What are the most popular jobs at Leidos?
What are the most popular categories at Leidos?
Infographic showing various Senior Python Developer job openings at Leidos in the United States as of May 2026, with employment types broken down into 99% Full Time, and 1% Part Time. Highlights an 88% Physical, 6% Hybrid, and 6% Remote job distribution.
Kinetics Sr Software Engineer

Kinetics Sr Software Engineer

Leidos

Beavercreek, OH • On-site

$107.90K - $195.05K/yr

Full-time

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

58th of 424 rated business services

Job 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 sustainable. 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 Software Developer 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 integrated digital engineering for conceptual system development providing operational analysis and military utility assessments for our nation's defense. We are looking for an experienced C++ and Python Developer with 8+ years of experience in a similar position. You will be responsible for designing and implementing high-performance, scalable software solutions using C++, and delivering robust applications while working closely with our team of developers and engineers.
Job Responsibilities:
  • Design, develop, and manage high-performance software applications using C++
  • Design, develop, and manage software applications and transformations using Python
  • Implement and optimize code for performance, security, and memory efficiency
  • Write robust, efficient, and scalable C++ code for various applications, including real-time systems, embedded systems, and desktop software
  • Monitor and optimize the performance and responsiveness of C++ applications across multiple platforms and environments
  • Integrate third-party libraries, tools, and APIs into C++ applications for enhanced functionality
  • Collaborate with developers, engineers, and stakeholders to ensure seamless integration of C++ applications with other systems and components
  • Run unit, integration, and performance tests to ensure the stability and functionality of C++ applications
  • Conduct code reviews and ensure adherence to coding standards, security protocols, and best practices in C++ development
  • Participate in agile development processes and contribute to continuous improvement of C++ development workflows

Required Skills:
  • 8+ years of related work experience with software development using C++ and Python
  • Proficiency in object-oriented programming, data structures, and algorithms with C++
  • Strong understanding of memory management, multithreading, and concurrency in C++ applications
  • Experience with integrating C++ applications with back-end technologies or third-party libraries
  • Familiarity with C++ standards (C++11/14/17/20) and STL (Standard Template Library)
  • Understanding of version control systems such as GIT
  • Knowledge of performance optimization, profiling, and debugging tools for C++ is a plus
  • Experience with security best practices in C++ development is preferred
  • Excellent communication and collaboration skills, with a proven track record of effective teamwork
  • Strong analytical and problem-solving skills, dedicated to delivering high-quality, efficient software solutions
  • Ability to travel on an as needed basis
  • Requires a Bachelors degree in Computer Science, Engineering, or similar discipline and 8+ years' experience, or a Master's degree in Computer Science, Engineering, or similar discipline and 6+ years' experience. In lieu of degree, a High School diploma is acceptable with 12 years minimum experience.
  • Active Secret Clearance

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:
March 25, 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 $107,900.00 - $195,050.00
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

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Leidos logo

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

FacebookTwitter

View All Leidos Jobs

Apply