Senior Systems Integration and Test Engineer

Leidos; Gaithersburg (MD); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos is seeking Systems Integration and Test Engineers to join the Air Traffic Business Area within the Homeland Sector in Gaithersburg, MD. You will help modernize flight service and air traffic systems, integrating legacy components with cloud-based platforms to enhance safety and efficiency in high-dependency aviation environments.

You will work in a Scaled Agile environment, delivering verification plans, test execution, and defect resolution while coordinating with customers and Leidos

Qualifications

• Bachelor’s degree with 9+ years or Master’s with 7+ years of professional experience.
• Experience with Agile methodology, principles, and tools.
• Ability to obtain SF-85P Public Trust clearance from the FAA customer.
• Experience in a documented Integration and Test Development Process.
• Developed and executed automated system integration and test solutions.
• Experience using UNIX and Linux operating systems.
• Proficiency in building and maintaining automated test suites.
• Strong integration skills with hands-on experience integrating large software systems.
• Strong written and verbal communication skills.
• US Citizenship

Responsibilities

• Collaborate with System Engineering to develop integration and verification plans with traceability.
• Able to understand System Level Requirements and perform system interface checkouts.
• Analyze issues with System Engineering and Software to develop solutions.
• Learn system architecture, design, functions and capabilities to support integration and test.
• Design, develop, and execute test plans, cases, and procedures to verify software functionality.
• Debug system level issues and provide detailed supporting data.
• Document and track system defects and verify fixes.
• Perform testing in physical and virtual labs with customer presence.
• Execute manual and automated test procedures to verify configuration.
• Coordinate activities with the customer and Leidos personnel.
• Perform formal test execution with customer and QA present.
• Demonstrate test execution to the customer for acceptance of content per release.
• Applicants selected will be subject to a government security investigation.

Skills

Agile methodologies

UNIX

Linux

Automated testing

System integration

Communication skills

Public Trust clearance

US Citizenship

Education

Bachelor’s degree in related discipline

Job description

Description

Leidos is seeking Systems Integration and Test Engineers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems. This work aligns with the FAA’s broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency, particularly in remote and high-dependency aviation environments. These efforts focus on delivering mission-critical, future-ready solutions that provide safety-critical flight services to the pilot community.

Description

Leidos is seeking Systems Integration and Test Engineers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next-generation flight service and air traffic systems. This work aligns with the FAA’s broader initiative to modernize legacy flight service capabilities, replacing aging infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency, particularly in remote and high-dependency aviation environments. These efforts focus on delivering mission-critical, future-ready solutions that provide safety-critical flight services to the pilot community.

As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native capabilities. You will work alongside cross-functional teams and technical leaders to deliver predictable outcomes in a highly regulated, safety-critical environment.

In this position, you will be responsible for integrating and testing software that provides flight planning and other services to the pilot community. This position supports government programs and requires the ability to obtain and maintain a favorable Public Trust investigation.

Primary Responsibilities

• Collaborate with System Engineering team to develop comprehensive integration and verification plans that map requirements to test cases, pass/fail criteria and traceability artifacts.
• Able to understand System Level Requirements and perform system interface checkouts
• Analyze identified issues in conjunction with System Engineering and Software in regard to developing solutions
• Learn system architecture, design, functions and capabilities to support the integration and test of the new capabilities and enhancements
• Design, develop, and execute test plans, test cases, and test procedures to verify software functionality, performance, and compliance with requirements
• Debug system level issues and provide detailed supporting data on identified issues
• Document and track system defects and verify fixes
• Perform testing in physical and virtual test labs to ensure the system, test procedure, and test inputs are prepared to execute with the customer present
• Execute manual and automated test procedures that verify the system is properly configured
• Coordinate activities, communication, and planning efforts with the customer and Leidos personnel
• Perform formal test execution with the customer and quality assurance organizations present
• Demonstrate test execution to the customer on a run for record to achieve customer acceptance of the content per release
• Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.

Required Qualifications

• Bachelor’s degree from an accredited college in a related discipline with 9+ years of professional experience; or a master’s degree from an accredited college in a related discipline with 7+ years of professional experience.
• Experience and familiarity with Agile methodology, principles, and tools
• Ability to obtain an SF-85P Public Trust clearance from the FAA customer.
• Experience in following a documented Integration and Test Development Process
• Developed and executed automated system integration and test solutions
• Experience in the use of UNIX and Linux operating systems
• Proficiency in building and maintaining automated test suites
• Strong integration skills with hands-on experience integrating large software complex systems
• Strong written and verbal communication skills to interface with internal and external customers
• US Citizenship

Desired Skills

• Air Traffic Control and Flight Service Experience
• Knowledge of AI-assisted development workflows and tools (i.e. Claude Code, Codex, etc.)
• Knowledge of air traffic control systems, general aviation, and/or flight services
• Practical knowledge of FAA/DoD systems, technical policies, standards and orders

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

October 9, 2026

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.

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.

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.