Software Developer - Journeyman

Leidos is seeking a Software Developer to provide Post Production Software Support (PPSS) and Post Deployment Software Support (PDSS) for the CECOM IEW&S Directorate Sensors and Mission Division (SMED). This position is based in Aberdeen, MD, supporting operations at Aberdeen Proving Ground and requires an active DoD Secret clearance.

In this role, you’ll contribute to the development and sustainment of mission-critical sensor platforms by delivering technical services, software solutions, and subject matter expertise. Your work will support a wide range of advanced systems, including the Long-Range Advanced Scout Surveillance System (LRAS3), Biometric Automated Toolset Army (BAT-A), Second Generation Forward Looking Infrared (2GF), Persistent Surveillance System Tethered (PSS-T), Common Sensor Payload (CSP), Guardrail Common Sensor (GRCS), Enhanced Medium Altitude Reconnaissance and Surveillance System (EMARSS), Tactical SIGINT Payload (TSP), Airborne Reconnaissance Low (ARL-E), Small Tactical Radar Lightweight (STARLite), and other aerial sensor systems essential to maintaining operational readiness.

Primary Responsibilities:

• Develop, maintain, and optimize source code and software applications
• Apply frameworks and manage the full software release lifecycle
• Perform programming, documentation, configuration management, testing, and debugging
• Collaborate with system engineers to translate analytic and interface requirements into functional tools
• Design and test operating systems-level software, compilers, and network distribution applications
• Work independently or lead small teams to deliver robust sensor software solutions

Basic Qualifications:

• Bachelor’s degree in a relevant field with 4+ years of experience, or Master’s with 2+ years (additional experience may substitute for degree)
• Active DoD Secret clearance
• Proven experience across the full software lifecycle in military systems
• Proficiency in C#, C++, .NET, Visual Basic
• Familiarity with Microsoft Windows 10 and 11
• Strong documentation and configuration management skills
• Ability to thrive in both independent and collaborative environments
• Willingness to travel up to 10% within the continental U.S.
• Experience working in matrixed team structures

Preferred Qualifications:

• Experience with virtual environments (e.g., VMware)
• Knowledge of Visual Studio and plug-in architectures
• Familiarity with tools like Eggplant, Jira, Confluence, Perforce Helix ALM, Git/GitHub

Eio2024

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:

September 27, 2025

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 $85,150.00 - $153,925.00

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.