Software Solutions Engineer Integrator

Space Systems Integration LLC; 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. You will serve as the BMC3I software integration focal point, aligning development with legacy systems and modernization plans to ensure mission continuity.

You will work with architects, cybersecurity teams, PMs, and vendors to transition capabilities into operations, refactor legacy components, and drive CI/CD, testing, and deployment across programs. A TS clearance and travel are required.

Qualifications

• Bachelor's degree with 14+ years, Master's with 12+ years, or PhD with 9+ years in software engineering, CS, 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 components and external interfaces.
• 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.

Responsibilities

• Serve as the BMC3I software integration focal point, aligning development and modernization with Programs of Record and legacy systems.
• Evaluate end-to-end solutions to determine how apps, data, and platforms integrate with legacy components while preserving mission continuity.
• Develop integration roadmaps covering modernization increments, legacy dependencies, interface transitions, risks, and transition actions.
• Support software architecture across service boundaries, APIs, data flows, cloud services, and data migration.
• Collaborate with developers, cybersecurity/DevSecOps, product and program managers, and others to resolve integration issues.
• Assess opportunities to refactor, rehost, replatform, or retire legacy components and reduce technical debt.
• Coordinate capabilities through assessment, prototyping, CI/CD, integration, testing, deployment, and sustainment.
• Assess integration readiness across applications, APIs, data, messaging, and cybersecurity.
• Apply Agile, DevSecOps, and Software Acquisition Pathway practices for iterative delivery and rapid feedback.
• Advise government leadership on architecture, modernization priorities, and integration risks.

Skills

Software engineering

Architecture

Systems integration

APIs

Data integration

Testing

Configuration management

Software lifecycle

Collaboration tools

Education

Bachelor's degree

Master's degree

PhD

Tools

Jira

Confluence

Microsoft Office

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.

Software Solutions Engineer Integrator

Location: El Segundo, CA.

Role and Responsibilities

• 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.

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.

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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.