Software Solutions Engineer Integrator

Space Systems Integration; El Segundo (CA); On-site; USD 210,000 - 255,000; Full time

Job summary

Space Systems Integration, LLC in El Segundo, CA, is seeking a Software Solutions Engineer Integrator to lead software integration for BMC3I programs. You will align new development with legacy systems, develop roadmaps, and collaborate across disciplines to ensure mission continuity.

The role requires DoD software integration expertise, strong architecture skills, and experience with APIs, data flows, and DevSecOps practices. Travel is expected; CSO/OTAs experience is a plus.

Qualifications

• Bachelor's degree with extensive software engineering/DoD systems experience required.
• Experience integrating software into mission or enterprise systems with legacy components and interfaces.
• Proficiency with collaboration tools (Jira, Confluence) and office suite.

Responsibilities

• Serve as the software engineering and integration focal point for BMC3I initiatives and modernization.
• Evaluate end-to-end solutions to ensure interoperability with legacy systems.
• Develop integration roadmaps covering modernization, interfaces, and deployment actions.
• Support software architecture across services, APIs, data flows, and cloud deployment patterns.
• Collaborate with cross-functional teams to resolve integration issues and transition capabilities into operations.
• Assess opportunities to refactor or rehost legacy components toward modular architectures.
• Coordinate capabilities through assessment, prototyping, CI/CD, testing, and production transition.
• Assess integration readiness across applications, data, messaging, and cybersecurity considerations.
• Apply Agile, DevSecOps, and Software Acquisition Pathway practices to support iterative delivery.
• Advise government leadership on architecture and modernization priorities.

Skills

Software engineering

Architecture

Systems integration

APIs

Data integration

Software lifecycle

Agile methodologies

Team collaboration

System-of-systems analysis

Education

Bachelor's degree

Master's degree

PhD

Tools

Jira

Confluence

Job description

Space Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers. Our employees are forward-thinking, self-directed individuals who are committed to solving our customers’ technical challenges.

SSI is seeking a Software Solutions Engineer Integratorfor a role in El Segundo, CA.

Role and Responsibilities include:

• Serve as the BMC3I software engineering and integration focal point, aligning new development, CSO-selected solutions, and modernization with Programs of Record, legacy systems, architecture, interfaces, data, infrastructure, and operational requirements.
• Evaluate end-to-end solutions to determine how applications, services, data products, APIs, and platforms integrate with or replace legacy components while preserving mission continuity and interoperability.
• Develop technical integration roadmaps covering modernization increments, legacy dependencies, interface transitions, risks, decision points, entrance/exit criteria, and production transition actions.
• Support software architecture and design across service boundaries, APIs/interfaces, data flows, cloud/platform services, deployment patterns, and legacy-to-modern data migration and interoperability.
• Collaborate with developers, architects, cybersecurity/DevSecOps teams, testers, Product and Program Managers, acquisition professionals, vendors, operators, and receiving programs to resolve integration issues and transition capabilities into operations.
• Assess opportunities to refactor, rehost, replatform, replace, or retire legacy components, reduce technical debt, and move toward modular, scalable, secure, and supportable architectures.
• Coordinate capabilities through assessment, prototyping, development, CI/CD, integration, testing, cybersecurity, deployment, production transition, and sustainment while maintaining configuration, release, risk, and transition traceability.
• Assess integration readiness across applications, APIs, data, messaging, infrastructure, identity, cybersecurity, performance, resiliency, and mission-system interfaces, including demonstrations or operational evaluations as needed.
• Apply Agile, DevSecOps, and Software Acquisition Pathway practices to support iterative delivery, automated testing, modernization, and rapid operator feedback.
• Advise government leadership on architecture, modernization priorities, commercial-solution readiness, legacy transition, integration risks, sequencing, and technical tradeoffs.
  Support transition planning with receiving Programs of Record and follow-on acquisition activities, addressing architecture/interfaces, infrastructure, cybersecurity/accreditation, sustainment, production, contracting, funding, technical evaluations, SOWs, and transition agreements.
  

Required Qualifications

• Bachelor's degree with 14+ years, Master's with 12+ years, or PhD with 9+ years of relevant experience in software engineering, computer science, systems engineering, architecture, integration, or related DoD mission systems.
• Strong knowledge of software engineering, architecture, systems integration, APIs, data integration, testing, configuration management, and software lifecycle practices.
• Experience integrating software into mission or enterprise systems with legacy applications, shared services, data dependencies, external interfaces, and operational constraints.
• Ability to analyze software at the system-of-systems level and translate mission requirements into practical integration and modernization approaches.
• Proficiency with Microsoft Office, Jira, Confluence, and related collaboration tools.
• Active TS clearance with in-scope T5/SSBI is required, along with SCI eligibility and participation in Continuous Evaluation.
• Must meet all requirements for SCI and SAP access and be willing to undergo a polygraph examination.
• Travel is 25%.

Preferred Qualifications

• Experience modernizing legacy DoD software through refactoring, rehosting, re-platforming, cloud migration, API enablement, data migration, service decomposition, or retirement.
• Experience with cloud platforms, containers/Kubernetes, microservices, APIs, event architectures, infrastructure as code, CI/CD, observability, and secure software supply chains.
• Knowledge of DoD software acquisition, including DoDI 5000.87 and the Software Acquisition Pathway, with experience supporting CSOs, OTAs, rapid prototyping, or similar approaches.
• Experience transitioning commercial or non-traditional software from prototype into government architectures, production environments, and sustained operations.
• Experience evaluating technical debt, dependencies, sustainment, performance, resilience, cybersecurity, and lifecycle impacts during modernization.
• Strong communication skills with the ability to present architecture, integration, modernization, and technical tradeoffs to engineers and senior leaders.

$210,000 - $255,000 a year

Target salary range: $210,000 - $255,000. The estimate displayed represents the typical salary range and bonus potential for this position based on experience and other factors. We offer medical/dental/vision benefits and 401k contribution.

Space Systems Integration provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, or any other characteristic protected by federal, state, or local laws.