Software Engineer - Level 2

An Emerging Professional Level 2 Software Engineer role with Lockheed Martin Space, focused on ground software for the SDA portfolio and OPIR sensor-data-stream processing to enable missile-warning capabilities. The position involves designing, developing, maintaining, and testing mission-processing code and APIs from Boulder, CO or Valley Forge, PA.

Responsibilities

• design, develop, maintain, and test the Mission Processing codebase
• adapt and extend existing frameworks for new sensor interfaces
• create and document robust APIs
• build mission-processing applications that meet stringent performance, latency, and reliability requirements
• write and execute unit, integration, and system-level tests
• troubleshoot issues across the software stack
• collaborate closely with systems, hardware, algorithm, and mission-operations teams to deliver high-quality features on schedule

Requirements

• 1+ years of programming experience in Java, C#, or C++
• knowledge of an Agile/Scrum environment
• experience developing maintainable code and performing unit, integration, and regression testing
• BS degree
• final secret security clearance required for consideration

Technologies

• Java
• C#
• C++
• Docker
• Kubernetes
• Python
• Microsoft Office

Benefits

• Medical
• Dental
• Vision
• Life Insurance
• Short-Term Disability
• Long-Term Disability
• 401(k) with match
• Flexible Spending Accounts
• EAP
• Education Assistance
• Parental Leave
• Paid time off
• Holidays

Job Details

• Job ID: 727896BR
• Date Posted: May 12, 2026
• Salary: USD 76,500 - 134,895 per year
• Location: Boulder, CO (onsite) or Valley Forge, PA
• Experience Level: Experienced Professional
• Business Unit: SPACE
• Career Area: Software Engineering
• Type: Full-Time
• Shift: First
• Relocation Available: Possible
• Education: BS required

About Lockheed Martin

Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to advancing innovation and shaping the future of the industry. The company maintains a strong legacy of excellence and delivers sophisticated capabilities to customers worldwide.

LM Space: Focus and Work

Lockheed Martin Space aims to leverage space to drive innovation, reduce costs, and push the boundaries of what technology can achieve. The unit emphasizes resiliency and urgency within its 21st Century Security vision, pursuing future-ready solutions and strategic partnerships across industries and regions.

The Work

The Ground Software team is recruiting for a Level 2 Software Engineer to support the SDA portfolio from Boulder, CO or Valley Forge, PA. The role centers on ground product development for OPIR sensor-data-stream processing to enable missile-warning capabilities. Responsibilities include designing, developing, maintaining, and testing the Mission Processing codebase, extending frameworks for new sensor interfaces, and delivering robust APIs and high-performing mission-processing applications. You will conduct unit, integration, and system-level tests, troubleshoot across the software stack, and collaborate with systems, hardware, algorithm, and mission-operations teams to ensure timely delivery of features.

Why Join Us

Opportunity for impact at the forefront of aerospace and defense innovation, contributing to mission-critical capabilities and strategic programs within Lockheed Martin Space.

Professional Development

Access to world-class training and development programs designed to support growth and advancement within the company.

Collaborative Culture

Work alongside top engineers who share a commitment to excellence and mutual support, fostering a collaborative environment for delivering high-quality results.

Washington State Details

• PTO, vacation, sick leave, and holiday hours are prorated based on start date.
• Non-represented full-time employees accrue at least 10 hours per month of PTO and at least 90 hours for holidays.
• Represented full-time employees accrue 6.67 hours of vacation per month and up to 52 hours of sick leave annually; receive at least 96 hours for holidays.