Lockheed Martin · 7 hours ago
Senior Software Engineer, Systems - Level 3
Littleton Colorado
Full-time
Onsite
Mid, Senior Level
$107K/yr - $186K/yrLockheed Martin is a leader in aerospace technology and innovation. They are seeking a Senior Software Engineer to support the development and verification of software requirements for hypersonic missile systems, ensuring compliance with aerospace standards and collaborating with various engineering teams.
National DefenseCyber SecurityAerospaceManufacturingMachinery ManufacturingMilitaryNational SecurityRemote SensingSecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Support the development and verification of formal software requirements for the hypersonic missile’s Flight Software (FSW) and Guidance, Navigation, and Control (GNC) systems
Collaborate with system architects, safety engineers, and test teams to translate high level mission objectives into precise, verifiable software specifications and supporting model based development processes
Maintain compliance of the existing FSW with the mature requirements baseline, manage change control, and drive the evolution and growth of the requirements set throughout the system’s lifecycle
Qualification
Required
Experience defining verification plans, traceability matrices, and conducting formal reviews/inspections for high‑assurance software
Hands‑on experience in embedded C/C++ and familiarity with hardware‑in‑the‑loop (HWIL) test frameworks
Proven proficiency with formal specification tools and model‑based development environments
Ability to obtain a DoD Secret clearance
Preferred
Strong understanding of hypersonic missile architecture, Guidance‑Navigation‑Control (GNC) algorithms, and flight‑software (FSW) development cycles
Proven track record integrating requirements management tools (IBM DOORS, Jama, Polarion) with source‑code repositories and CI/CD pipelines for automated traceability
Demonstrated experience working on complex, tightly coupled hardware‑software platforms (e.g., flight‑control computers, sensor suites, or missile air‑frame integration) where software behavior directly influences hardware performance and vice‑versa, including participation in hardware‑in‑the‑loop (HWIL) testing, board‑level debugging, and cross‑disciplinary trade‑off analyses
An active DoD Secret clearance
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
Company
Lockheed Martin
Lockheed Martin is a global security and aerospace company that specializes in advanced technology systems, products, and services. It is a sub-organization of Lockheed Martin.
Founded in 1912
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$6.06BKey Investors
Air Force Research Laboratory
2025-12-05Post Ipo Debt· $3B
2025-08-28Post Ipo Debt· $3B
2023-11-13Grant· $33.7M
Leadership Team
Jim Taiclet
Chairman, President & CEO
Craig Martell
Chief Technology Officer
Recent News
Company data provided by crunchbase