Software Solutions Engineer

Space Systems Integration • El Segundo, CA

2d • $210,000 - $255,000

About The Position

Space Systems Integration (SSI) is a fast-growing engineering company providing aerospace solutions to government and commercial customers. SSI is seeking a Software Solutions Engineer in El Segundo, California, to serve as a software engineering and integration focal point for BMC3I. The role aligns new development, commercial solutions, and modernization with existing Programs of Record, legacy systems, architectures, interfaces, data services, infrastructure, and operational requirements.

The engineer evaluates end-to-end software solutions and determines how applications, services, data products, APIs, and platform capabilities can integrate with or replace legacy components while preserving mission continuity and interoperability. The role develops technical integration roadmaps and supports architecture and design, including capability decomposition, service boundaries, interfaces, data flows, cloud and platform services, deployment patterns, and distributed-system dependencies.

Working across development, engineering, architecture, cybersecurity, DevSecOps, testing, product and program management, vendors, operators, and legacy-system owners, the engineer coordinates capabilities through development, integration, testing, deployment, production transition, and sustainment. The position also advises government leadership on architecture, modernization priorities, integration risks, sequencing, legacy transitions, and technical tradeoffs across BMC3I.

Requirements

• Bachelor's degree with 14 or more years, Master's degree with 12 or more years, or PhD with 9 or more 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, API/interface design, data integration, testing, configuration management, and software lifecycle management.
• Experience integrating new software into enterprise or mission systems containing legacy applications, shared services, data dependencies, external interfaces, and operational constraints.
• Ability to analyze software at the system-of-systems level and translate mission and program requirements into practical integration and modernization approaches.
• Proficiency with Microsoft Office, Jira, Confluence, and related collaboration and documentation tools.
• Active TS clearance with in-scope T5/SSBI, SCI eligibility, and participation in Continuous Evaluation.
• Must meet requirements for SCI and SAP access and be willing to undergo a polygraph examination.
• Willingness to travel 25%.

Nice To Haves

• 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, RESTful APIs, event architectures, infrastructure as code, automated CI/CD, observability, and secure software supply chains.
• Knowledge of DoD software acquisition, including the Software Acquisition Pathway and DoDI 5000.87, with experience supporting rapid software delivery within a Program of Record.
• Experience integrating commercial or non-traditional software into government architectures, legacy systems, and operational environments.
• Demonstrated ability to lead cross-functional integration across software, systems engineering, cybersecurity, test, platform, operational, and government teams.
• Experience evaluating technical debt, dependencies, sustainment, performance, scalability, resilience, cybersecurity, and lifecycle impacts in modernization strategies.
• Strong communication skills and ability to present complex architecture, modernization, integration, and technical tradeoffs to engineers and senior leaders.

Responsibilities

• Serve as a software engineering and integration focal point for BMC3I, aligning new development, commercial solutions, and modernization with existing Programs of Record, legacy systems, architecture, interfaces, data services, infrastructure, and operational requirements.
• Evaluate end-to-end software solutions and determine how applications, services, data products, APIs, and platform capabilities integrate with or replace legacy components while preserving mission continuity and interoperability.
• Develop technical integration roadmaps defining modernization increments, legacy dependencies, interface transitions, data migrations, risks, decision points, and production transition activities.
• Support software architecture and design, including capability decomposition, service boundaries, APIs and interfaces, data flows, event-driven integration, cloud and platform services, deployment patterns, and distributed-system dependencies.
• Collaborate with developers, engineers, architects, cybersecurity and DevSecOps teams, testers, Product and Program Managers, vendors, operators, and legacy-system owners to resolve cross-system integration issues.
• Assess modernization 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 development, CI/CD, integration, testing, cybersecurity assessment, deployment, production transition, and sustainment while maintaining configuration and release traceability.
• Assess integration readiness across applications, APIs, data models, messaging, infrastructure, identity, cybersecurity, observability, performance, resiliency, and mission-system interfaces.
• Plan data migration and interoperability between legacy and modernized systems, including schema mapping, transformation, interface compatibility, authoritative data sources, synchronization, and sequencing.
• Apply Agile, DevSecOps, and Software Acquisition Pathway practices to support iterative delivery, automated testing, CI/CD, platform modernization, and rapid operator feedback.
• Use Jira, Confluence, and related tools to maintain traceability of requirements, architecture decisions, interfaces, technical debt, defects, risks, dependencies, test findings, releases, and modernization status.
• Advise government leadership on architecture, modernization priorities, legacy transition, integration risks, sequencing, and technical tradeoffs across BMC3I.

Benefits

• Medical, dental, and vision benefits
• 401(k) contribution

What This Job Offers

• Job Type: Full-time
• Career Level: Senior