Software Modernization Engineer

The Aerospace Corporation•El Segundo, CA

1d•$129,000 - $193,500•Onsite

About The Position

The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space— delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you’ll be part of a special collection of problem solvers, thought leaders, and innovators. Join us and take your place in space. The Information Systems and Cyber Division (ISCD) integrates modern software technologies—including elastic compute clouds, containerization, microservices, real-time operating systems, and visualization frameworks—with expertise in cyber security, software architecture, software engineering, data science, artificial intelligence, process improvement, and software development to deliver resilient, high‑performance software systems for Intelligence Community, DoD, and civilian customers. The Software Tools & Assurance Department advances modern software engineering and digital engineering practices to deliver responsive and reliable mission software, with a focus on cloud platforms, microservices, workflow automation, and system modernization.

Requirements

Bachelor's degree in computer science, computer engineering, or a STEM related field.
Six or more years of experience with increasing responsibility in software engineering or software architecture.
Proven ability to manage multiple concurrent tasks and to quickly learn and adapt to new software technologies and languages.
Experience in software engineering, full lifecycle development, and advanced problem solving.
Experience in at least one of the following areas: Modernizing legacy systems into unified, maintainable, automated software applications, Model-based systems engineering and complex systems modeling, Designing and maintaining backend services and REST APIs using modern frameworks with integrations across enterprise services, workflow systems, and cloud environments, AI/ML applications, including large language models (LLM), retrieval-augmented generation (RAG), or NLP, Building or extending data ingestion pipelines — including large-scale content ingestion, metadata extraction, change detection, indexing, and automated job monitoring, Cloud and microservices architecture, including managed services for compute, storage, and monitoring, Experience integrating systems across on-prem, cloud, and hybrid environments, including Linux-based deployments and enterprise search ecosystems, Agile methodologies, DevOps, and CI/CD practices to deliver maintainable and reliable software solutions.
Willingness to travel occasionally to other domestic work locations or customer sites.
Ability to obtain and maintain a security clearance, which is issued by the U.S. government.
U.S. citizenship is required to obtain a security clearance.

Nice To Haves

Advanced degree (Master’s or Doctorate) in a STEM or related technical field.
Experience interfacing with customers from the intelligence community, DoD, or other civilian agencies (NASA, NNSA, NOAA, etc.).
Demonstrated expertise in designing, developing, testing, or maintaining complex software for satellite operations.
In-depth knowledge and experience in two or more of the following areas, with the ability to independently lead associated tasks: A track record of leading modernization efforts that consolidate multi-step manual processes, legacy scripts, or fragile data pipelines into reliable, automated applications, Experience architecting or scaling enterprise data ingestion systems, AI/ML applications, including LLM-based tools, RAG architectures, or NLP, Backend service development using modern frameworks with REST API design, systems integration, and database interaction (relational and cloud-hosted), Cloud platforms (AWS, Azure) for storage, compute, monitoring, and certificate management, Agile workflows, CI/CD pipelines (e.g., Jenkins), and rapid prototyping of internal software tools.
Demonstrated ability to bring industry knowledge of modern software practices to drive innovation within established teams.
Excellent written and verbal communication skills, with the ability to clearly convey complex technical information to a wide range of audiences.
Strong track record of building, mentoring, and leading technical teams or working groups from the ground up.
Active TS/SCI clearance.

Responsibilities

Provide high-level software systems engineering and architectural direction for complex, large-scale applications across space, ground, and launch domains.
Lead the evolution of legacy monolithic architectures into modern, resilient, microservices-based configurations deployed across cloud and virtualized environments.
Lead rigorous technical trade studies and rapid prototyping efforts to evaluate and securely implement emerging cloud-native, containerization, and orchestration technologies.
Serve as a core technical liaison, translating high-level customer mission objectives into actionable architectural milestones, driving alignment across program managers, engineering teams, and external stakeholders.
Champion modern software development methodologies, driving positive change by introducing new commercial perspectives, challenging established practices, and mentoring junior engineers.

Benefits

Comprehensive health care and wellness plans
Paid holidays, sick time, and vacation
Standard and alternate work schedules, including telework options
401(k) Plan — Employees receive a total company-paid benefit of 8%, 10%, or 12% of eligible compensation based on years of service and matching contributions; employees are immediately eligible and vested in the plan upon hire
Flexible spending accounts
Variable pay program for exceptional contributions
Relocation assistance
Professional growth and development programs to help advance your career
Education assistance programs
An inclusive work environment built on teamwork, flexibility, and respect