Model-Based Systems Engineer

Primordial Labs

. Design and implement the system model relied on by the company, owning its development and management end to end .

Posted 10/24/2026full-timeRemote • United StatesMid-LevelSenior💰 $175,000 - $225,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Systems Engineering with a focus on Model-Based Systems Engineering (MBSE), including SysML modeling and requirements traceability. Proficient in collaborating with cross-functional teams to define and implement software and hardware interfaces within defense applications.

Highest-signal resume keywords

Systems EngineeringModel-Based Systems Engineering (MBSE)SysML ModelingRequirements EngineeringDefense Applications Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Systems EngineeringModel-Based Systems Engineering (MBSE)SysMLSoftware DesignArchitectureMicroservicesAPIsRequirements EngineeringVerification TraceabilityHardware/Software Interfaces

Soft Skills

Clear WritingTechnical Communication

Tools & Technologies

CI/CDAgile DeliveryVersion Control

Certifications & Qualifications

US Security Clearance

Industry Keywords

Defense ApplicationsGovernment ProgramsReference ArchitecturesMilitary Experience

Tech Stack

Tools & technologies

Distributed SystemsMicroservices

About the role

Key responsibilities & impact

Design and implement the system model relied on by the company, owning its development and management end to end
Capture services, APIs, data flows, deployments, internal software processes, and hardware and network interfaces
Partner closely with software engineers across software design, development, testing, and release processes
Connect the architecture to reference architectures and frameworks used by partners and government programs
Define requirements and trace them through verification
Contribute model content to design reviews, proposals, and prime deliverables
Help define the company's systems engineering practices as it grows
Model a real part of the system within the first 90 days and ensure teams outside engineering use the work

Requirements

What you’ll need

5+ years of systems engineering on software-intensive or networked systems
3+ years of hands-on MBSE, owning end-to-end model development and management
Expertise modeling in SysML (preferably v2) or a comparable language, covering structure, behavior, and interfaces
Strong understanding of software design, architecture, microservices, distributed systems, APIs, version control, CI/CD, and agile delivery
Ability to model internal software processes
Experience defining hardware/software interfaces, including ICDs, protocols, data links, radios, sensors, or embedded hosts
Requirements engineering and verification traceability, especially in defense applications
Familiarity with government reference architectures and frameworks
Experience working with the military, defense primes, or government programs
Clear writing and ability to explain technical architecture to non-engineers and user needs and desired behaviors to engineers
Ability to obtain and maintain a US Security Clearance
U.S. Citizenship required
Current residency within the United States required
Permanent Residency or visa sponsorship cannot satisfy the regulatory requirements

Benefits

Comp & perks

Significant equity stake
100% remote work
Comprehensive medical, dental, and vision plans
401(k) package with a 6% company match
Generous Discretionary Time Off (DTO) policy
Elite technology package