Description
Leidos  is excited to present a fantastic opportunity for a  Lead Software Engineer  within our  National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) . Join our skilled team at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At  Leidos , we provide  competitive benefits , including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Be a part of our mission to make a meaningful impact in National Security!
Job Overview
In this role, you will leverage your expertise to develop robust systems, software, and cloud environments while supporting operations and maintenance for essential systems. This position is pivotal in the design, development, implementation, and testing of innovative customer tools and applications. Working within a DevOps framework, you will engage in all stages of the software development lifecycle, from estimation and architecture to coding and unit testing.
Key Responsibilities
Lead software programming efforts using Java, JavaScript, Python, SpringBoot, and Hibernate.
Establish software validation and testing methods using Junit and Katalon, implementing automated deployment technologies.
Create, prototype, and deploy solutions within Commercial Cloud Solutions, utilizing platform services effectively.
Work closely with team members, Product Owners, and Scrum Masters to ensure alignment of User Stories with customer needs.
Adhere to the Agile software development lifecycle, implementing SAFe practices and utilizing leading DevOps tools such as GitHub, Jenkins, and Unix bash scripting.
Conduct analysis through proof of concept, performance, and end-to-end testing, while coordinating infrastructure needs to fulfill customer missions.
Identify and apply best practices and standard operating procedures, creating innovative solutions for customers.
Basic Qualifications
Extensive experience in Agile practices, service-oriented environments, and development methods.
Substantial expertise in Java, Spring, C2S, and the software development lifecycle, executing within DevOps practices.
Hands-on experience with software testing tools like Junit/Katalon and scripting languages, such as Python and Bash, in an Agile setup.
Proficient in development on Commercial Cloud Platforms (e.g., AWS, Google Cloud, Azure) and in leveraging cloud data services (e.g., S3, RDS, EFS).
Strong background in version control systems and issue tracking systems.
Bachelor's degree with 12 or more years of relevant experience or a Master's degree with 10 or more years of relevant experience. Additional years of experience can be considered in lieu of a degree.
Must possess an active TS/SCI with polygraph security clearance.
Preferred Qualifications
Experience in structured analysis and design methodologies.
Familiarity with the customer's system development policies.
For U.S. Positions: While subject to change based on business needs, Leidos anticipates that this job requisition will remain open for at least 3 days, with a projected close date no earlier than 3 days after the original posting date.
Pay Range:
Pay Range $126,100.00 - $227,950.00
The Leidos pay range for this job level serves as a general guideline and is not a definitive guarantee of salary. Various factors, such as job responsibilities, education, experience, knowledge, skills, abilities, and internal equity, will be considered when extending an offer.

Worker Type
Regular
Job Description

Summary
We are looking for a  Software Engineer III (Apps)  to join the Learning & Active Perception (LEAP) team in AV’s MacCready Works business segment. LEAP focuses on the development of innovative image/video processing and computer vision technologies for both user applications (to accelerate and automate tasks, reduce analyst cognitive load) and robotic systems (to provide perception capabilities, enable autonomy and complex behavior, etc.). This role is specifically centered around implementation of video processing and perception pipelines for low-SWaP processors (e.g., Nvidia Xavier/Orin) and integration into unmanned aerial systems (UAS) and maritime surface vessels (USV), including test and evaluation via benchtop testing and operationally relevant field experimentation.
Position Responsibilities
Implements and optimizes algorithms and software including REST endpoints, relational database schemas, and user interface components
Supports testing and demonstration of components and integrated systems
Develops documentation, technical reports, and provides report inputs for presentation to customers and other stakeholders
Creates software design documentation according to software process requirements and guidance from Senior Engineers
Implements coding according to coding standard. Writes a unique test, and validates software according to the process. Contributes to process improvement efforts.
Delivers work on time according to agreed completion dates and project schedule & budget
Supports and derives algorithm design from detailed software requirements
Works closely with other software developers to design and reuse developed software to support different programs
Operates in a continuous learning environment under moderate supervision. Provides guidance and mentoring to less experienced engineers.
Works on problems of moderate scope where analysis of situations or data requires a review of a variety of factors
Exercises judgment within defined procedures and practices to determine appropriate action. Builds productive internal/external working relationships
Other duties as assigned
Experience
Bachelor’s degree in Computer Engineering, Computer Science, Electrical Engineering, Math, or Physics is required or equivalent combination of education, training, and experience
Minimum 5 - 8 years of relevant experience in software engineering or related field Strong software engineering skills with proficiency in C/C++, Java, Golang, and/or Python languages, including a sound understanding of common data structures, algorithms, object-oriented programming, and development workflows
Experience with relational database systems such as PostgreSQL or MySQL
Experience with Ubuntu and/or CentOS Linux operating systems
Experience with writing unit tests and debugging code
Experience with DDS, gRPC, and Rust is preferred
Demonstrated mathematical and analytical skills are required
Demonstrated familiarity with source code configuration management tools such as SVN and Git as well as familiarity with IDEs and debuggers
Collaboration with external developers and customers
Additional Requirements
With guidance from senior engineers, be able to contribute in the design, coding, documenting and testing software using the Scrum Framework
Demonstrates effective listening, questioning, clarifying and summarizing skills to effectively communicate in one-on-one and small group settings
Demonstrates understanding of system design that one is working on and understands the role that assigned tasks play in the system
Able to excel in a fast-paced, deadline-driven environment, where small teams share a broad variety of duties
Understands or has familiarity with Machine Learning and Computer Vision concepts
Displays strong initiative and drive to accomplish goals and meet company objectives
Takes ownership and responsibility for current and past work products
Is committed to learning from mistakes and driven to improve and enhance performance of oneself, others, and the company
Has effective problem-solving, analytical, interpersonal and communication skills
Focuses on teamwork, collaboration and puts the success of the team above one's own interests
Physical Demands
Ability to work in an office environment (Constant)
Required to stand and sit for long periods; talk, hear, and use hands and fingers to operate a computer and telephone keyboard (Frequent)
The salary range for this role is:
$118,107 - $167,475
AeroVironment considers several factors when extending an offer, including but not limited to, the location, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills.
ITAR Requirement:
This position requires access to information that is subject to compliance with the International Traffic Arms Regulations (“ITAR”) and/or the Export Administration Regulations (“EAR”). In order to comply with the requirements of the ITAR and/or the EAR, applicants must qualify as a U.S. person under the ITAR and the EAR, or a person to be approved for an export license by the governing agency whose technology comes under its jurisdiction. Please understand that any job offer that requires approval of an export license will be conditional on AeroVironment’s determination that it will be able to obtain an export license in a time frame consistent with AeroVironment’s business requirements. A “U.S. person” according to the ITAR definition is a U.S. citizen, U.S. lawful permanent resident (green card holder), or protected individual such as a refugee or asylee. See 22 CFR § 120.15. Some positions will require current U.S. Citizenship due to contract requirements.
Benefits : AV offers an excellent benefits package including medical, dental vision, 401K with company matching, a 9/80 work schedule and a paid holiday shutdown. For more information about our company benefit offerings please visit:  http://www.avinc.com/myavbenefits .
We also encourage you to review our company website at  http://www.avinc.com  to learn more about us.
Principals only need apply. NO agencies please.
Who We Are
Based in California, AeroVironment (AVAV) is a global leader in unmanned aircraft systems (UAS) and tactical missile systems. Founded in 1971 by celebrated physicist and engineer, Dr. Paul MacCready, we’ve been at the leading edge of technical innovation for more than 45 years. Be a part of the team that developed the world’s most widely used military drones and created the first submarine-launched reconnaissance drone, and has seven innovative vehicles that are part of the Smithsonian Institution’s permanent collection in Washington, DC.
Join us today in developing the next generation of small UAS and tactical missile systems that will deliver more actionable intelligence to our customers so they can proceed with certainty – and succeed.
What We Do
Building on a history of technological innovation, AeroVironment designs, develops, produces, and supports an advanced portfolio of unmanned aircraft systems (UAS) and tactical missile systems. Agencies of the U.S. Department of Defense and allied military services use the company’s hand-launched UAS to provide situational awareness to tactical operating units through real-time, airborne reconnaissance, surveillance, and target acquisition.
We are proud to be an EEO/AA Equal Opportunity Employer, including disability/veterans. AeroVironment, Inc. is an Equal Employment Opportunity (EEO) employer and welcomes all qualified applicants. Qualified applicants will receive fair and impartial consideration without regard to race, sex, color, religion, national origin, age, disability, protected veteran status, genetic data, sexual orientation, gender identity or other legally protected status.
ITAR
U.S. Citizenship required. Must be willing to work on government contracts and have the ability to obtain a security clearance.

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Overview
Leidos is excited to announce an opening for a Senior Software Engineer - Subject Matter Expert position within our National Security Sector's Cyber & Analytics Business Area. Our dedicated team is at the cutting edge of Security Engineering, Computer Network Operations, Mission Software, Analytics, Signals Intelligence, and Cryptographic Key Management. Join us at Leidos, where we provide competitive benefits including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, and extensive Education and Training Support. Be part of a mission that makes a real difference in National Security!
Role Description
We are seeking an experienced Python Software Developer proficient in systems, software, cloud, and Agile methodologies to contribute to a complex program delivering Agile development and operations support for critical systems. This role involves collaborating directly with customers to identify needs, gather requirements, and develop tailored solutions. Within a DevOps framework, you will oversee significant project deliverables through all phases of the software development lifecycle, including scope estimation, architecture, design, coding, and unit testing.
Key Responsibilities
Engage independently with customers to understand their challenges and gather requirements.
Develop, prototype, and deploy innovative solutions utilizing Commercial Cloud Services, and participate in software programming initiatives with Python, Java, JavaScript, SpringBoot, Hibernate, and Angular.
Design and present solutions to customers, iteratively refining them based on feedback.
Work closely with team members, Product Owners, and Scrum Masters to ensure alignment of User Stories with customer use cases.
Analyze infrastructure needs driven by the software to meet client objectives through proof of concepts, performance, and end-to-end testing.
Document and manage software development processes, including deployment tasks across environments using GitFlow constructs, while adhering to Agile software practices following SAFe guidelines.
Maintain clear communication with project teams to enhance cohesion and effectiveness employing tools like JIRA and Confluence.
Basic Qualifications
Expertise in Python, Java, JavaScript, and Angular with experience in eliciting customer requirements.
Proven ability to independently develop solutions in Commercial Cloud Platforms such as AWS, Google Cloud, or Azure, harnessing cloud data services (e.g., S3, RDS, EFS).
Experience presenting solutions to customers and adapting them based on their feedback.
Deep familiarity with Agile methodologies and the software development lifecycle within a DevOps context.
Hands-on experience with software testing performance tools like Junit, version control systems, and issue tracking systems.
Master's degree with 15 or more years of relevant experience or Doctorate with 13 or more years of relevant experience, with consideration for additional years of experience in lieu of a degree.
Active TS/SCI with Polygraph clearance is required.
Preferred Qualifications
Experience with SAFe development practices.
Original Posting Date: 2025-02-18
The expected duration for this job posting is a minimum of 3 days.
Compensation Range
Pay Range: $148,850.00 - $269,075.00
Please note that this pay range is a guideline and not a guarantee of compensation; factors such as responsibilities, experience, and market alignment are considered when extending an offer.

Description
Leidos  has a new and exciting opportunity for a  Software Engineer (SME)  in our  National Security Sector's (NSS) Cyber & Analytics Business Area (CABA) .  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At  Leidos , we offer  competitive benefits , including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.   Join us and make a difference in National Security!
Job Description
Leidos is seeking a Python Software Developer with strong systems, software, cloud, and Agile experience to support a complex program to provide Agile development and operations and maintenance for critical systems. This role works directly with customers to understand customer needs, elicit requirements, develop a solution to those requirements, then demonstrate solution to customer and iterate on the solution. Based in DevOps framework, direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing.
Primary Responsibilities
Independently interact with customer to understand pain points and elicit requirements

Develop, prototype and deploy solutions within Commercial Cloud Solutions leveraging infrastructure platform services and participate in software programming initiatives to support innovation and enhancement, using Python, Java, JavaScript, SpringBoot, Hibernate, and Angular.

Create innovative solutions to meet the technical needs of customers, then demonstrate proposed solutions independently to customer, and update solutions based on customer feedback

Coordinate closely with team members, Product Owners, and Scrum Masters to ensure User Story alignment and implementation to customer use cases

Analyze (though proof of concept, performance, and end-to-end testing) and effectively coordinate Infrastructure needs driven by developed software to meet customer mission needs

Document and perform systems software development, including deployment of build artifacts across different environments leveraging GitFlow constructs while supporting the Agile software development lifecycle following Program SAFe practices, using industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting

Communicate key project data to team members to build team cohesion and effectiveness leveraging Atlassian tool suite like JIRA and Confluence to track activities and applying best practices and standard operating procedures

Basic Qualifications
Expert using Python, Java, JavaScript and Angular with direct experience eliciting customer requirements

Experience with independent development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure) leveraging cloud data services (ex: S3, RDS, EFS)

Experience in independently demonstrating developed solutions and updating solution based on customer feedback

Expert with common Agile practices, service-orientated environments, development practices and the software development lifecycle delivering within DevOps toolsets/practices

Direct experience utilizing software testing performance tools, such as Junit, version control systems and issue/problem tracking systems

Master's degree with 15 or more years of prior relevant experience or Doctorate with 13 or more years of relevant experience. Additional years of experience may be substituted in lieu of a degree.

To be considered, candidate must have an active TS/SCI with Polygraph

Preferred Qualifications
Experience with SAFe development practices

CABARESTON
Original Posting Date:  2025-02-18 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 $148,850.00 - $269,075.00 The Leidos pay range for this job level is a general guideline onlyand 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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Software Engineer Jobs in Centreville, VA

Lead Software EngineerApril 6, 2025

Software Engineer Apps IiiApril 5, 2025

Senior Software Engineer Subject Matter ExpertApril 3, 2025

Software Engineer SmeMarch 28, 2025