Level 4 Software Engineer

Level 4 Software Engineer with a secret clearance to support the SDA portfolio, developing OPIR sensor-data-stream processing for missile-warning capabilities, based in Boulder, CO.

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

• 5+ years of experience coding software with proficiency in Java, C#, or C++.
• Professional experience working in an Agile/Scrum environment.
• Final secret security clearance required for consideration.

Technologies

• Docker
• Kubernetes
• Java
• C#
• C++

Benefits

• Medical
• Dental
• Vision
• Life Insurance
• Short-Term Disability
• Long-Term Disability
• 401(k) match
• Flexible Spending Accounts
• EAP
• Education Assistance
• Parental Leave
• Paid time off
• Holidays
• Work/life balance
• Career development
• Mentorship opportunities
• Rewards & recognition

Job Details

• Job ID: 727615BR
• Date Posted: May 12, 2026
• Location: Boulder, CO (onsite)
• Salary: USD 113,900 - 200,905 per year
• Experience Level: Experienced Professional
• Education: BS degree
• Career Area: Software Engineering
• Business Unit: SPACE
• Type: Full-Time
• Shift: First
• Relocation: Possible

Security and Work Arrangement

• Security Clearance: This position requires a government security clearance, you must be a US Citizen for consideration.
• Clearance Level: Secret
• Ability to Work Remotely: Onsite Full-time; work will be performed onsite at a designated Lockheed Martin facility.
• Work Schedule: 9x80 every other Friday off