Lead Software Test Developer

Via Logic LLC; Egg Harbor City (NJ); Hybrid; USD 87,000 - 157,000; Full time

Job summary

Leidos in the United States is seeking a Lead Software Test Developer for the Early Systems Integration program. The role is based in Gaithersburg, MD; Eagan, MN; or Egg Harbor, NJ and supports the UK NASR PDT while focusing on real-time, high-availability, safety-critical systems that underpin national airspace operations.

The position is U.S.-based with a balanced 50% hybrid schedule (2–3 days in the office per week) and offers opportunities to mentor junior integrators and collaborate across

Qualifications

• Bachelor’s degree in CS or related field; 4–8 years of relevant experience.
• Master’s degree with 2–6 years of relevant experience may substitute.
• Strong object‑oriented programming experience.
• Proficiency in Perl, Python and shell scripting.
• Experience with real‑time, multi‑threaded, high‑availability systems.
• Experience leading integration and test activities for complex software systems.
• Experience with Linux environments (Red Hat), VMs and hypervisors.
• Familiarity with TCP/IP, UDP, SCTP protocols.

Responsibilities

• Design, develop, and execute integration test plans and cases.
• Lead and mentor junior integrators and promote best practices.
• Collaborate with software/system engineers to ensure testability.
• Participate in Agile ceremonies and plan releases.
• Support system integration activities including hardware interfaces.

Skills

Perl

Python

Shell scripting

Real-time systems

Multi-threaded

Linux

TCP/IP

US Citizenship

Public Trust

Education

Bachelor’s degree in Computer Science or related field

Master’s degree with 2–6 years of experience

Tools

Red Hat Linux

Virtual machines

Hypervisors

Git / SCM tools

Configuration management

Job description

Lead Software Test Developer - Early Systems Integration (ESI)

Leidos is seeking this position 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 50% hybrid schedule between 2-3 days in the office per week.

What You’ll Do

• Design, develop, execute integration and test plans, procedures, and cases to verify system functionality, and performance, and maintain software for real-time, high-availability systems
• Participate in agile software development activities as part of a collaborative engineering team
• Analyze complex system requirements and translate them into efficient, maintainable software test plans and cases.
• Lead and mentor junior integrators, influencing technical direction and promote best practices in integration and verification
• Participate in Agile ceremonies including daily stand-ups, release planning, and sprint reviews as need in support of the SW teams and the build teams.
• Collaborate with software engineers, system engineers, and program leadership to ensure testability of system design and alignment with project schedules
• Promote 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. Additional relevant experience may be use in lieu of degree.
  • OR Master’s degree with 2-6 years of relevant experience
• Strong object-oriented programming experience
• Proficiency in Perl, Python and shell scripting
• Experience developing real-time, multi-threaded, high-availability systems
• Experience leading integration and test activities for complex software systems
• Strong hands-on integration experience with large, distributed, or real-time 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
• 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
• Ability to obtain and maintain a Public Trust clearance
• Successful completion of background investigations as required by the government customer

Preferred Qualifications

• Experience with test automation frameworks
• Familiarity with AI/ML tools applied within software development workflows
• Familiarity with Agile life cycle
• Advanced integration experience in one or more of the following areas:
  • New system functionality integration
  • Regression testing
  • Problem determination and root cause analysis
  • Data reduction and analysis
  • Problem verification and change validation
• Air Traffic domain knowledge or experience supporting air traffic programs
• Experience operating in fast-paced, high-accountability environments requiring independent execution

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.

Original Posting

August 21, 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.

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.