Posted today
Secret
Mid Level Career (5+ yrs experience)
$98,400 - $184,200
Occasional travel
Engineering - Systems
Orlando, FL (On-Site/Office)
Principal / Senior Principal Systems Engineer (Integration, Test & MBSE)
Mid–Senior Level | $98,400 – $184,200 | Orlando, FL | Secret Clearance Required
Design, integrate, and verify complex defense systems where disciplined systems engineering, automation, and model-based design ensure mission success in high-consequence environments.
A Day in the Life – What You’ll Do
Serve as a key member of the systems engineering and integration & test (I&T) team supporting secure, mission-critical systems
Collaborate with customers, systems engineering leads, architects, software, gateware, infrastructure, and test teams
Develop concepts of operations (CONOPS), system concept definitions, and interface specifications
Decompose, allocate, and manage system-level requirements across hardware and software components
Apply Model-Based Systems Engineering (MBSE) practices to define, analyze, and document system behavior
Develop and maintain SysML models (use cases, sequence diagrams, activity diagrams) to support system design and traceability
Design, implement, and maintain automated test solutions to verify requirements and system functionality
Develop formal test plans, test procedures, and test reports
Support hardware-software integration, deployment, configuration, validation, and troubleshooting on custom platforms
Analyze complex system behaviors, identify defects, and document issues using structured change-control processes
Operate effectively in Agile development environments while maintaining accuracy, traceability, and technical rigor
Communicate technical content clearly to customers, stakeholders, and senior leadership
Education & Experience Requirements
Principal Level
Bachelor’s degree in STEM with 5+ years of relevant experience
OR Master’s degree in STEM with 3+ years of relevant experience
OR PhD in STEM with 1+ year of relevant experience
Senior Principal Level
Bachelor’s degree in STEM with 8+ years of relevant experience
OR Master’s degree in STEM with 6+ years of relevant experience
OR PhD in STEM with 4+ years of relevant experience
Required Qualifications
Citizenship & Clearance
U.S. Citizenship required
Active DoD Secret clearance required
Systems Engineering & Technical Skills
Experience developing concepts of operations and interface definitions
Experience decomposing, allocating, and translating requirements into hardware and software specifications
Strong understanding of systems engineering principles and lifecycle processes
Experience with requirements analysis, development, traceability, and management
Proficiency with requirements management tools (Rational DOORS or equivalent)
Experience implementing and using Model-Based Systems Engineering (MBSE) tools and practices
Proficiency in SysML, including use cases, sequence diagrams, and activity diagrams
Experience developing models in Cameo Enterprise Architecture or equivalent MBSE tools
Experience testing software applications and verifying system requirements
Experience developing formal test plans, procedures, and reports
Knowledge of Agile principles, tools, and implementation
Strong written and verbal communication skills
Proven ability to collaborate across cross-functional engineering teams
Preferred Qualifications
Experience developing automated tests (Eggplant or similar tools)
Experience scripting in Python to automate manual processes
Experience with version control and code repositories (Git, GitLab, etc.)
Proficiency working in Linux environments (RHEL preferred)
Proven experience in hardware-software integration on custom platforms
Experience across the full systems engineering lifecycle, including:
Requirements decomposition
Test planning
Verification and validation
Integration and system sell-off
Large-scale or complex system development experience across multiple program phases
Understanding of software development methodologies
Experience preparing verification documentation for system-level requirements
Strong customer-facing communication and presentation experience
Ability to manage multiple priorities and concurrent projects
Salary Range
Principal Level: $98,400 – $147,600
Senior Principal Level: $122,800 – $184,200
Final compensation is based on experience, education, technical skill set, and mission requirements.
Who is Caribou Thunder?
Caribou Thunder is a HUBZone-certified small business providing advanced technical and engineering services to the U.S. Department of War and its mission partners.
With operations in 35+ states and 20+ countries, we have delivered trusted, mission-critical solutions for over two decades—strengthening national readiness across land, undersea, air, and space domains including LEO, MEO, GEO, and deep space.
Why Caribou Thunder?
TEAM THUNDER — Mission Focused. Delivery Proven. Ready to Serve.
Employee Advocacy
Mission Proven
Global Reach
Skilled Teams
Modern Tools
Empowering Culture
Our engineers and innovators ensure capability from sea floor to space frontier—delivering precision, compliance, and performance in high-consequence environments.
We specialize in Engineering Services, Cybersecurity, Software Development, Modeling & Simulation, Digital Engineering, and Artificial Intelligence.
Employee Advocacy + Benefits
Our people are the heart of Caribou Thunder. We invest in their growth, flexibility, and well-being—because their success drives ours.
Benefits include:
Premium Health, Dental & Vision Insurance
401(k) with 6% Company Match
Flexible PTO & Work Schedule
Education & Certification Reimbursement
Support for Military Leave
Work–Life Balance & Traditional Family Values
Your future, your flexibility, your well-being—we invest in you.
Apply today and let’s connect.
Principal / Senior Principal Systems Engineer (Integration, Test & MBSE)
Mid–Senior Level | $98,400 – $184,200 | Orlando, FL | Secret Clearance Required
Design, integrate, and verify complex defense systems where disciplined systems engineering, automation, and model-based design ensure mission success in high-consequence environments.
A Day in the Life – What You’ll Do
Serve as a key member of the systems engineering and integration & test (I&T) team supporting secure, mission-critical systems
Collaborate with customers, systems engineering leads, architects, software, gateware, infrastructure, and test teams
Develop concepts of operations (CONOPS), system concept definitions, and interface specifications
Decompose, allocate, and manage system-level requirements across hardware and software components
Apply Model-Based Systems Engineering (MBSE) practices to define, analyze, and document system behavior
Develop and maintain SysML models (use cases, sequence diagrams, activity diagrams) to support system design and traceability
Design, implement, and maintain automated test solutions to verify requirements and system functionality
Develop formal test plans, test procedures, and test reports
Support hardware-software integration, deployment, configuration, validation, and troubleshooting on custom platforms
Analyze complex system behaviors, identify defects, and document issues using structured change-control processes
Operate effectively in Agile development environments while maintaining accuracy, traceability, and technical rigor
Communicate technical content clearly to customers, stakeholders, and senior leadership
Education & Experience Requirements
Principal Level
Bachelor’s degree in STEM with 5+ years of relevant experience
OR Master’s degree in STEM with 3+ years of relevant experience
OR PhD in STEM with 1+ year of relevant experience
Senior Principal Level
Bachelor’s degree in STEM with 8+ years of relevant experience
OR Master’s degree in STEM with 6+ years of relevant experience
OR PhD in STEM with 4+ years of relevant experience
Required Qualifications
Citizenship & Clearance
U.S. Citizenship required
Active DoD Secret clearance required
Systems Engineering & Technical Skills
Experience developing concepts of operations and interface definitions
Experience decomposing, allocating, and translating requirements into hardware and software specifications
Strong understanding of systems engineering principles and lifecycle processes
Experience with requirements analysis, development, traceability, and management
Proficiency with requirements management tools (Rational DOORS or equivalent)
Experience implementing and using Model-Based Systems Engineering (MBSE) tools and practices
Proficiency in SysML, including use cases, sequence diagrams, and activity diagrams
Experience developing models in Cameo Enterprise Architecture or equivalent MBSE tools
Experience testing software applications and verifying system requirements
Experience developing formal test plans, procedures, and reports
Knowledge of Agile principles, tools, and implementation
Strong written and verbal communication skills
Proven ability to collaborate across cross-functional engineering teams
Preferred Qualifications
Experience developing automated tests (Eggplant or similar tools)
Experience scripting in Python to automate manual processes
Experience with version control and code repositories (Git, GitLab, etc.)
Proficiency working in Linux environments (RHEL preferred)
Proven experience in hardware-software integration on custom platforms
Experience across the full systems engineering lifecycle, including:
Requirements decomposition
Test planning
Verification and validation
Integration and system sell-off
Large-scale or complex system development experience across multiple program phases
Understanding of software development methodologies
Experience preparing verification documentation for system-level requirements
Strong customer-facing communication and presentation experience
Ability to manage multiple priorities and concurrent projects
Salary Range
Principal Level: $98,400 – $147,600
Senior Principal Level: $122,800 – $184,200
Final compensation is based on experience, education, technical skill set, and mission requirements.
Who is Caribou Thunder?
Caribou Thunder is a HUBZone-certified small business providing advanced technical and engineering services to the U.S. Department of War and its mission partners.
With operations in 35+ states and 20+ countries, we have delivered trusted, mission-critical solutions for over two decades—strengthening national readiness across land, undersea, air, and space domains including LEO, MEO, GEO, and deep space.
Why Caribou Thunder?
TEAM THUNDER — Mission Focused. Delivery Proven. Ready to Serve.
Employee Advocacy
Mission Proven
Global Reach
Skilled Teams
Modern Tools
Empowering Culture
Our engineers and innovators ensure capability from sea floor to space frontier—delivering precision, compliance, and performance in high-consequence environments.
We specialize in Engineering Services, Cybersecurity, Software Development, Modeling & Simulation, Digital Engineering, and Artificial Intelligence.
Employee Advocacy + Benefits
Our people are the heart of Caribou Thunder. We invest in their growth, flexibility, and well-being—because their success drives ours.
Benefits include:
Premium Health, Dental & Vision Insurance
401(k) with 6% Company Match
Flexible PTO & Work Schedule
Education & Certification Reimbursement
Support for Military Leave
Work–Life Balance & Traditional Family Values
Your future, your flexibility, your well-being—we invest in you.
Apply today and let’s connect.
Mid–Senior Level | $98,400 – $184,200 | Orlando, FL | Secret Clearance Required
Design, integrate, and verify complex defense systems where disciplined systems engineering, automation, and model-based design ensure mission success in high-consequence environments.
A Day in the Life – What You’ll Do
Serve as a key member of the systems engineering and integration & test (I&T) team supporting secure, mission-critical systems
Collaborate with customers, systems engineering leads, architects, software, gateware, infrastructure, and test teams
Develop concepts of operations (CONOPS), system concept definitions, and interface specifications
Decompose, allocate, and manage system-level requirements across hardware and software components
Apply Model-Based Systems Engineering (MBSE) practices to define, analyze, and document system behavior
Develop and maintain SysML models (use cases, sequence diagrams, activity diagrams) to support system design and traceability
Design, implement, and maintain automated test solutions to verify requirements and system functionality
Develop formal test plans, test procedures, and test reports
Support hardware-software integration, deployment, configuration, validation, and troubleshooting on custom platforms
Analyze complex system behaviors, identify defects, and document issues using structured change-control processes
Operate effectively in Agile development environments while maintaining accuracy, traceability, and technical rigor
Communicate technical content clearly to customers, stakeholders, and senior leadership
Education & Experience Requirements
Principal Level
Bachelor’s degree in STEM with 5+ years of relevant experience
OR Master’s degree in STEM with 3+ years of relevant experience
OR PhD in STEM with 1+ year of relevant experience
Senior Principal Level
Bachelor’s degree in STEM with 8+ years of relevant experience
OR Master’s degree in STEM with 6+ years of relevant experience
OR PhD in STEM with 4+ years of relevant experience
Required Qualifications
Citizenship & Clearance
U.S. Citizenship required
Active DoD Secret clearance required
Systems Engineering & Technical Skills
Experience developing concepts of operations and interface definitions
Experience decomposing, allocating, and translating requirements into hardware and software specifications
Strong understanding of systems engineering principles and lifecycle processes
Experience with requirements analysis, development, traceability, and management
Proficiency with requirements management tools (Rational DOORS or equivalent)
Experience implementing and using Model-Based Systems Engineering (MBSE) tools and practices
Proficiency in SysML, including use cases, sequence diagrams, and activity diagrams
Experience developing models in Cameo Enterprise Architecture or equivalent MBSE tools
Experience testing software applications and verifying system requirements
Experience developing formal test plans, procedures, and reports
Knowledge of Agile principles, tools, and implementation
Strong written and verbal communication skills
Proven ability to collaborate across cross-functional engineering teams
Preferred Qualifications
Experience developing automated tests (Eggplant or similar tools)
Experience scripting in Python to automate manual processes
Experience with version control and code repositories (Git, GitLab, etc.)
Proficiency working in Linux environments (RHEL preferred)
Proven experience in hardware-software integration on custom platforms
Experience across the full systems engineering lifecycle, including:
Requirements decomposition
Test planning
Verification and validation
Integration and system sell-off
Large-scale or complex system development experience across multiple program phases
Understanding of software development methodologies
Experience preparing verification documentation for system-level requirements
Strong customer-facing communication and presentation experience
Ability to manage multiple priorities and concurrent projects
Salary Range
Principal Level: $98,400 – $147,600
Senior Principal Level: $122,800 – $184,200
Final compensation is based on experience, education, technical skill set, and mission requirements.
Who is Caribou Thunder?
Caribou Thunder is a HUBZone-certified small business providing advanced technical and engineering services to the U.S. Department of War and its mission partners.
With operations in 35+ states and 20+ countries, we have delivered trusted, mission-critical solutions for over two decades—strengthening national readiness across land, undersea, air, and space domains including LEO, MEO, GEO, and deep space.
Why Caribou Thunder?
TEAM THUNDER — Mission Focused. Delivery Proven. Ready to Serve.
Employee Advocacy
Mission Proven
Global Reach
Skilled Teams
Modern Tools
Empowering Culture
Our engineers and innovators ensure capability from sea floor to space frontier—delivering precision, compliance, and performance in high-consequence environments.
We specialize in Engineering Services, Cybersecurity, Software Development, Modeling & Simulation, Digital Engineering, and Artificial Intelligence.
Employee Advocacy + Benefits
Our people are the heart of Caribou Thunder. We invest in their growth, flexibility, and well-being—because their success drives ours.
Benefits include:
Premium Health, Dental & Vision Insurance
401(k) with 6% Company Match
Flexible PTO & Work Schedule
Education & Certification Reimbursement
Support for Military Leave
Work–Life Balance & Traditional Family Values
Your future, your flexibility, your well-being—we invest in you.
Apply today and let’s connect.
Principal / Senior Principal Systems Engineer (Integration, Test & MBSE)
Mid–Senior Level | $98,400 – $184,200 | Orlando, FL | Secret Clearance Required
Design, integrate, and verify complex defense systems where disciplined systems engineering, automation, and model-based design ensure mission success in high-consequence environments.
A Day in the Life – What You’ll Do
Serve as a key member of the systems engineering and integration & test (I&T) team supporting secure, mission-critical systems
Collaborate with customers, systems engineering leads, architects, software, gateware, infrastructure, and test teams
Develop concepts of operations (CONOPS), system concept definitions, and interface specifications
Decompose, allocate, and manage system-level requirements across hardware and software components
Apply Model-Based Systems Engineering (MBSE) practices to define, analyze, and document system behavior
Develop and maintain SysML models (use cases, sequence diagrams, activity diagrams) to support system design and traceability
Design, implement, and maintain automated test solutions to verify requirements and system functionality
Develop formal test plans, test procedures, and test reports
Support hardware-software integration, deployment, configuration, validation, and troubleshooting on custom platforms
Analyze complex system behaviors, identify defects, and document issues using structured change-control processes
Operate effectively in Agile development environments while maintaining accuracy, traceability, and technical rigor
Communicate technical content clearly to customers, stakeholders, and senior leadership
Education & Experience Requirements
Principal Level
Bachelor’s degree in STEM with 5+ years of relevant experience
OR Master’s degree in STEM with 3+ years of relevant experience
OR PhD in STEM with 1+ year of relevant experience
Senior Principal Level
Bachelor’s degree in STEM with 8+ years of relevant experience
OR Master’s degree in STEM with 6+ years of relevant experience
OR PhD in STEM with 4+ years of relevant experience
Required Qualifications
Citizenship & Clearance
U.S. Citizenship required
Active DoD Secret clearance required
Systems Engineering & Technical Skills
Experience developing concepts of operations and interface definitions
Experience decomposing, allocating, and translating requirements into hardware and software specifications
Strong understanding of systems engineering principles and lifecycle processes
Experience with requirements analysis, development, traceability, and management
Proficiency with requirements management tools (Rational DOORS or equivalent)
Experience implementing and using Model-Based Systems Engineering (MBSE) tools and practices
Proficiency in SysML, including use cases, sequence diagrams, and activity diagrams
Experience developing models in Cameo Enterprise Architecture or equivalent MBSE tools
Experience testing software applications and verifying system requirements
Experience developing formal test plans, procedures, and reports
Knowledge of Agile principles, tools, and implementation
Strong written and verbal communication skills
Proven ability to collaborate across cross-functional engineering teams
Preferred Qualifications
Experience developing automated tests (Eggplant or similar tools)
Experience scripting in Python to automate manual processes
Experience with version control and code repositories (Git, GitLab, etc.)
Proficiency working in Linux environments (RHEL preferred)
Proven experience in hardware-software integration on custom platforms
Experience across the full systems engineering lifecycle, including:
Requirements decomposition
Test planning
Verification and validation
Integration and system sell-off
Large-scale or complex system development experience across multiple program phases
Understanding of software development methodologies
Experience preparing verification documentation for system-level requirements
Strong customer-facing communication and presentation experience
Ability to manage multiple priorities and concurrent projects
Salary Range
Principal Level: $98,400 – $147,600
Senior Principal Level: $122,800 – $184,200
Final compensation is based on experience, education, technical skill set, and mission requirements.
Who is Caribou Thunder?
Caribou Thunder is a HUBZone-certified small business providing advanced technical and engineering services to the U.S. Department of War and its mission partners.
With operations in 35+ states and 20+ countries, we have delivered trusted, mission-critical solutions for over two decades—strengthening national readiness across land, undersea, air, and space domains including LEO, MEO, GEO, and deep space.
Why Caribou Thunder?
TEAM THUNDER — Mission Focused. Delivery Proven. Ready to Serve.
Employee Advocacy
Mission Proven
Global Reach
Skilled Teams
Modern Tools
Empowering Culture
Our engineers and innovators ensure capability from sea floor to space frontier—delivering precision, compliance, and performance in high-consequence environments.
We specialize in Engineering Services, Cybersecurity, Software Development, Modeling & Simulation, Digital Engineering, and Artificial Intelligence.
Employee Advocacy + Benefits
Our people are the heart of Caribou Thunder. We invest in their growth, flexibility, and well-being—because their success drives ours.
Benefits include:
Premium Health, Dental & Vision Insurance
401(k) with 6% Company Match
Flexible PTO & Work Schedule
Education & Certification Reimbursement
Support for Military Leave
Work–Life Balance & Traditional Family Values
Your future, your flexibility, your well-being—we invest in you.
Apply today and let’s connect.
group id: 10496462
