LMI · 10 hours ago
Senior Software Test Engineer - TS Clearance Required
Colorado Springs, CO
Full-time
Onsite
Senior Level, Lead/Staff
$100K/yr - $170K/yr
10+ years expLMI is actively seeking a skilled, experienced Senior Software Test Engineer to join their Space Market modeling and simulation development team in Colorado Springs, CO. This role involves collaborating with USSF and US Government customers to translate various needs into high-performance software applications, while also leading integration and testing activities in secure environments.
AnalyticsConsultingInformation TechnologyLogisticsManagement ConsultingProfessional Services
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Review, develop, document, and maintain system requirements and traceability across program
Collaborate across engineering disciplines, working closely with software developers and system architects to validate end-to-end functionality and M&S effectiveness
Lead integration and test of M&S software applications in secure DoD environments, ensuring interoperability, performance, and usability
Define test strategies, plans, procedures, and acceptance criteria for component, integration, and system-level testing
Design and execute verification & validation activities
Analyze test results, perform root cause analyses, and recommend corrective actions
Apply modern DevSecOps practices—including CI/CD pipelines, automated testing, containerized deployments, and infrastructure as code—to streamline integration and test activities
Contribute to risk, issue, and opportunity management; assess and report technical readiness and critical path impacts
Document software development plans, results and test findings, and readiness assessments for formal customer deliverables
Actively collaborate in cross-functional engineering working groups to review, assess, and mature software artifacts such as system architecture, system behavior, system interfaces and requirements, software test plans, UI/UX designs, functional allocation, Interface Control Documents/Descriptions (ICDs), and data models
Qualification
Required
Bachelor's degree in Computer Science/Engineering, Systems Engineering or equivalent STEM field with 10+ years of professional experience (8+ years with Master's degree)
Strong understanding of software testing principles and methodologies
Practical experience with requirements tracing and configuration management
Experience writing test plans and procedures and executing systems-level integration and verification
Familiarity with software collaboration tools (Jira, Confluence, Git)
Familiarity with secure software development practices and CI/CD pipelines
Strong systems thinking, analytical and problem-solving skills
Excellent communication and teamwork abilities
Active TS Clearance, US Citizenship required
Preferred
Advanced degree in Systems Engineering or related field
Familiarity with modeling and simulation concepts
Knowledge of cloud (AWS, Azure, or Google Cloud), containerization, and CI/CD test infrastructure (Docker, Kubernetes)
Knowledge of cybersecurity best practices and DoW certification to field processes
Prior experience working on government-related projects
Space domain exercise, training, or wargaming experience and familiarity with space-focused software solutions
Active TS clearance with SCI eligibility
Company
LMI
LMI is a consulting firm dedicated to improving the management of government.
1001-5000 employees
Funding
Current Stage
Late StageTotal Funding
$0.25MKey Investors
Mission Daybreak
2022-09-19Grant· $0.25M
2022-07-12Private Equity
2020-12-21Acquired
Leadership Team
Joshua Wilson
Chief Executive Officer
Recent News
Washington Technology
2025-10-03
2025-10-02
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2025-08-09
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