Sr Systems Integration Engineer - SW

Sierra Space Corporation • $143K — $197K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in a related field or equivalent work experience.
  • 5+ years of experience related to software/system engineering.
  • Emerging expertise in Systems Engineering principles.
  • Knowledge of requirements management and systems development lifecycle.
  • Active Secret U.S. Security Clearance required.

Responsibilities

  • Drive proactive software architecture decisions across the program.
  • Lead engineering team focused on cohesive software design.
  • Advise SV Lead and Chief Engineer on system-level software impacts and risks.
  • Manage software interface management.
  • Support Hardware-in-the-Loop (HITL) and FlatSat environments for testing.
  • Validate driver-to-hardware communication for flight software.
  • Manage deployment, configuration, and flashing of software builds.
  • Orchestrate mission simulations to test software performance under varied conditions.

Benefits

  • Collaboration with a mission-driven team focused on advancing space-based technology.
  • Opportunity to work on cutting-edge satellite systems.
  • Support for professional development and continuous improvement.
  • Engagement in meaningful work that impacts national security.
  • Dynamic and fast-paced work environment enhancing innovation.
Full Job Description
About the RoleFunctionally reporting to the Systems Engineering Department and deployed directly to a satellite program, you will ensure that the flight software (FSW) integrates flawlessly with the physical avionics, payloads on the SV and the Electrical Ground Support Equipment (EGSE) and between the SV and ground. You will support the build, maintenance, and running of the automated test benches (like FlatSats), validate hardware-software interfaces, and orchestrate the software verification campaigns required to certify the satellite is stable and ready for space.

About You

Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower – to join us in this critical mission.  

We’re looking for team members who align with our values, mission and goals – while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.


Responsibilities: 

  • Drive proactive Software architecture decisions across the program 
  • Lead engineering team focused on cohesive software design 
  • Advise SV Lead and Chief Engineer on system-level impacts and risks related to software 
  • Responsible for software interface management. 
  • Support the FlatSat / HITL: Support the Hardware-in-the-Loop (HITL) and FlatSat environments used to test flight software on real and simulated hardware. 
  • Interface validation: Validate driver-to-hardware communication, ensuring flight software accurately commands and ingests telemetry from sensors, actuators, and payloads. 
  • Build and release management: Manage the deployment, configuration, and flashing of software builds onto engineering models and flight computers. 
  • Day-in-the-Life (DITL) testing: Orchestrate end-to-end mission simulations to test how the software handles nominal operations and stressful orbital transitions. 
  • Fault Management (FDIR) validation: Supports the injection of hardware and data faults into the system to verify the software detects, isolates, and recovers from anomalies autonomously. 
  • Leads software test definition and planning 
  • Provides first level support to AI&T for software defects. 
  • Responsible for ensuring software defects are closed. 
  • Design mechanical systems and aircraft structures from concept through production and flight test. 
  • Support integration, manufacturing, ground test, and flight operations, incorporating lessons learned into future designs. 
  • Continuously improve engineering workflows, design standards, and digital engineering capabilities as the team grows. 

Scope of Responsibility 

  • Software System Design & Analysis 
  • Software/Hardware Integration 
  • Software ICD Collection 

Technical Skills: 

  • Languages: Proficiency in Python/Ruby (for test automation and scripting) and comfort navigating C/C++ (the language of most flight software). 
  • Embedded & OS: Experience working with Real-Time Operating Systems (RTOS like FreeRTOS, RTEMS, or VxWorks) or embedded Linux. 
  • Data Protocols & Infrastructure: Understanding of hardware communication protocols (UART, SPI, I2C, CAN, SpaceWire) and Git-based CI/CD pipelines. 
  • Tooling: Familiarity with satellite command and telemetry software frameworks (e.g., NASA’s cFS, F’ [F Prime], COSMOS, or OpenMCT). 



Minimum Qualifications:
  • Requires Bachelor's degree in a related field (or equivalent work experience in lieu of degree or Masters +3 yrs experience).
  • Typically 5+ years of related experience (or Masters + 3 years of experience).
  • Emerging expertise in Systems Engineering principles and practices, including a thorough understanding of the systems development lifecycle.
  • Knowledge of requirements management, functional requirements parsing, derivation, and allocation.
  • Knowledge of systems architecture, systems integration, and Verification and Validation (V&V) principles.
  • Emerging ability to work and communicate with technical and specialty subject matter expert engineers to drive systems engineering products.
  • An active Secret U.S. Security Clearance is required 



Preferred Qualifications:
  • Master's degree in Engineering, Physics, or a related field.
  • Robust experience with Requirements Management and Model Based Systems Engineering tools and frameworks, such as DOORS, CAMEO EA, Rhapsody, Matlab, and SysML.
  • Solid understanding of spacecraft systems, including hardware and software subsystems and components.
  • Solid understanding of project management methodologies including risk management and technical performance tracking.
  • Solid understanding of technical baseline and configuration management.
  • Experience in leading projects and mentoring junior engineers.
  • Experience or certification in INCOSE standards.
  • Excellent problem-solving skills and attention to detail.
  • Ability to adapt to a fast-paced and dynamic work environment.

 

 

Compensation:

Pay Range:

$143,700.00 - $197,608.50

Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge and skills, education, experience, internal equity and market competitiveness.

IMPORTANT NOTICE: 

This position requires current/active Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance.  The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination  

About Sierra Space Corporation

Sierra Space Corporation Careers

Joining Sierra Space Corporation presents an unparalleled opportunity to become part of a leading team of professionals dedicated to pioneering innovations in the aerospace sector. As one of the most forward-thinking companies in space technology, Sierra Space Corporation offers a variety of job opportunities that cater to a spectrum of skills and experiences.

Explore Career Opportunities

Sierra Space Corporation is actively hiring, seeking individuals who are passionate, driven, and ready to contribute to groundbreaking projects. With a commitment to diversity and leadership development, the company fosters an environment where all employees can thrive.

Professional Growth and Development

At Sierra Space Corporation, career growth is a cornerstone of their employment philosophy. Professionals at all levels are encouraged to engage in continuous learning, leadership training, and professional development workshops, ensuring that their career trajectory is always ascending.

Innovative Work Environment

Innovation is at the heart of Sierra Space Corporation. The team is tasked with developing advanced technologies that redefine possibilities in space exploration and satellite technology. Employees are encouraged to bring creative solutions and innovative thinking to the table every day.

Internship Programs

For students and recent graduates, Sierra Space Corporation offers robust internship programs that provide hands-on experience in aerospace technology and business operations. Internships are a gateway to full-time employment and a great way to build a resume while learning from seasoned professionals.

Benefits and Company Culture

Sierra Space Corporation is renowned for its inclusive culture and comprehensive benefits package designed to support the well-being and financial security of every team member. Benefits include health, dental, and vision insurance, as well as unique perks like flexible working conditions and family leave options.

Networking and Professional Connections

The company places a high value on networking, providing numerous opportunities for employees to connect with industry leaders and innovators. Through events, seminars, and collaborative projects, team members can build valuable relationships that enhance their careers and personal growth.

Diversity and Inclusion

Diversity is more than just a policy at Sierra Space Corporation; it is an integral part of the company's identity. Inclusive hiring practices and diversity training ensure a workplace where everyone’s contributions are valued and where everyone has the chance to succeed.

Applying for a Position

To apply for a position at Sierra Space Corporation, prospective candidates should prepare their resumes to highlight relevant experience and skills. The interview process is designed to assess not only expertise but also a fit with the company’s culture and values. Job seekers can explore available positions and submit applications through the Sierra Space Corporation careers page.

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