Software Systems Engineer - (ASWSE012126.1)

Cimarron•Houston, TX

16d

About The Position

Cimarron is seeking a Software Systems Engineer to support Axiom on their Commercial Space Station program in Houston, TX. The selected candidate for this position will play a role in designing, integrating, and validating software systems that support space operations and station infrastructure. This is a rare opportunity to contribute to the next generation of human spaceflight and commercial space infrastructure!

Requirements

Due to facility security requirements, only U.S. citizens or permanent residents are eligible for consideration at this time.
Ability to complete a pre-employment background check and drug screening, which will include but is not limited to testing for marijuana use.
5 or more years of experience in systems engineering, systems integration, and/or software-intensive engineering environments.
Strong understanding of systems engineering processes, including requirements development, requirements architecture, interface definition, traceability, and change control.
Demonstrated experience with systems integration, verification, and validation planning and execution.
Ability to author clear, testable system and software requirements, including functional, performance, safety, cybersecurity, and interface requirements.
Experience maintaining bidirectional traceability from ConOps through system, software, design, and test artifacts.
Experience defining and supporting systems architecture and design, including interface control documents (ICDs), message schemas, timing constraints, and failure behaviors.
Familiarity with software architecture concepts, including partitioning, redundancy, data flows, and modes and states.
Hands-on experience with requirements and lifecycle management tools such as Jama, DOORS, or Innoslate, and collaboration tools including JIRA, Confluence, and GitLab CI.
Experience with model-based systems engineering (MBSE) and SysML tools such as Cameo, Rhapsody, or equivalent, or related model-based methodologies.
Strong working knowledge of the Software Development Lifecycle (SDLC).
Experience supporting or leading requirements reviews, impact assessments, and verification readiness activities.
Familiarity with Agile or hybrid development environments and cross-functional engineering coordination.
Knowledge of project management principles, including schedule, risk management, and mitigation strategies.
Excellent communication and collaboration skills across multidisciplinary engineering teams.
Bachelor’s degree in Engineering or a related technical field.

Nice To Haves

Experience in aerospace or spaceflight systems.
INCOSE Membership or Certification (ASEP/CSEP).

Responsibilities

Define, develop, and manage system and software requirements, interfaces, and architecture across the program lifecycle.
Maintain bidirectional requirements traceability from ConOps through system, software, design, and test artifacts.
Collaborate closely with multidisciplinary teams, including software, hardware, avionics, and integration teams, to ensure seamless end-to-end system integration.
Support software development lifecycle activities, including planning, implementation support, verification, validation, and release readiness.
Define and support interface control documents (ICDs), message schemas, timing constraints, and system behaviors.
Participate in system and software architecture trades, including partitioning, redundancy strategies, data flows, and operational modes and states.
Plan, author, and support verification and validation activities, including test methods, acceptance criteria, and integration readiness.
Identify technical risks and support development of mitigation strategies throughout the system development lifecycle.
Support system-level design reviews, technical interchange meetings, and change control activities.
Develop and maintain technical documentation, including requirements specifications, interface documents, and verification artifacts.