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Parsons

Digital infrastructure and security solutions provider

Avionics Systems Engineer

AvionicsConfirmed live in the last 24 hours
Full-timeTorrance, CA, USA$74.8k - $130.9k

About the Job

Requirements

  • An active Secret security clearance is required.
  • A bachelor's degree is required, although additional years of experience may count in lieu of a degree.
  • At least 2 years of experience are required; additional education, training, and certifications may count toward the total years of experience.
  • Familiarity with embedded software development, including discrete input/output, analog-to-digital converters, microprocessor system designs, serial communications such as asynchronous/synchronous RS-422, Ethernet protocols, and electrical test equipment such as oscilloscopes, multimeters, and power supplies.
  • Working knowledge of SolidWorks or an equivalent tool for computer-aided design model and drawing development.
  • Ability to support electrical testing at the launch site and launch-site operations.
  • Experience developing, integrating, testing, or operating avionics or electrical systems for spacecraft, launch vehicles, aircraft, or other safety-critical systems.
  • Experience with electrical system architecture, requirements development, interface definition, verification planning, and requirements traceability.
  • Understanding of electrical engineering fundamentals, including circuits, digital systems, power distribution, signal interfaces, grounding, shielding, and electromagnetic compatibility.
  • Ability to read and develop electrical schematics, wiring diagrams, interface documents, and system block diagrams.
  • Experience supporting multidisciplinary engineering teams and resolving complex technical issues.
  • Ability to work in a controlled, highly documented, configuration-managed engineering environment.
  • Ability to support integration, test, launch-site, or mission-operations activities as required.

Responsibilities

  • Develop electrical harness assemblies for space-rated applications and integrate and test higher-level electrical assemblies that include microprocessor-based subsystems.
  • Develop and maintain spacecraft or launch-vehicle avionics architectures, electrical block diagrams, schematics, and interface definitions.
  • Define, allocate, and manage avionics system requirements, including functional, performance, environmental, reliability, and safety requirements.
  • Support the design and integration of flight computers, data-handling systems, command and data buses, electrical power systems, guidance and navigation electronics, communications systems, sensors, and actuators.
  • Coordinate electrical and avionics interfaces across systems engineering, software, mechanical, thermal, guidance and control, mission operations, and payload teams.
  • Develop and maintain Interface Control Documents, wiring diagrams, connector definitions, grounding and bonding schemes, signal databases, and other technical documentation.
  • Perform or support power-budget, energy-balance, signal-integrity, electromagnetic-compatibility, fault-protection, reliability, and redundancy analyses.
  • Support component selection, parts derating, radiation-tolerance assessments, and electrical design reviews.
  • Develop test plans, procedures, and verification matrices for unit, subsystem, hardware-in-the-loop, system-level, and mission simulations.
  • Support avionics integration and test activities, including functional, electromagnetic interference and compatibility, vibration, shock, thermal-vacuum, and end-to-end mission testing.
  • Troubleshoot electrical and avionics anomalies, perform root-cause analysis, and implement corrective and preventive actions.
  • Prepare and present technical materials for system and design reviews, including SRR, PDR, CDR, TRR, and FRR.
  • Support launch-site activities, mission rehearsals, launch operations, and on-orbit commissioning or mission operations as required.
  • Coordinate with hardware, software, manufacturing, test, quality, safety, and operations teams to ensure successful system delivery.

Desired Qualifications

  • An active TS/SCI security clearance.
  • A master's degree in electrical engineering, avionics engineering, aerospace engineering, systems engineering, or a related discipline.
  • Experience with spacecraft avionics, launch-vehicle electrical systems, or space-qualified electronics.
  • Experience with flight computers, real-time embedded systems, data buses, and communication protocols such as Ethernet, RS-422, RS-485, UART, SPI, or I²C.
  • Experience with spacecraft electrical power systems, including batteries, solar arrays, power conditioning, and power distribution units.
  • Knowledge of guidance, navigation, and control systems and their electrical interfaces.
  • Experience with hardware-in-the-loop testing, automated test equipment, laboratory instrumentation, or mission simulators.
  • Familiarity with tools such as MATLAB/Simulink, Python, DOORS, or similar engineering tools.
  • Experience with radiation effects, parts assurance, electrical derating, reliability analysis, or fault-tolerant design.
  • Familiarity with NASA, MIL-STD, or other applicable space-systems standards.
  • Experience supporting environmental qualification, launch-site operations, or in-flight anomaly resolution.
  • Willingness to travel and support integration, test, launch, and mission operations at remote sites as required.
  • Prior launch-campaign experience in launch operations, spacecraft processing, or mission integration.
  • Strong understanding of launch-site operations, spacecraft integration, and ground-support equipment.

About the Company

Parsons

Digital infrastructure and security solutions provider

Parsons provides digitally enabled solutions in national security, defense, and global infrastructure. Its work spans government and commercial clients, offering services in systems and software engineering, quality assurance, compliance, and security, along with large-scale infrastructure projects and advanced technology implementations. The company helps clients by delivering long-term, contract-based engagements that include AI readiness, data preparation for AI applications, and secure, reliable systems. A key differentiator is its breadth across diverse markets and its emphasis on rigorous systems engineering, QA, compliance, and security to ensure the integrity of critical operations while harnessing AI to improve efficiency and safety. Parsons’ goal is to solve complex security and infrastructure challenges through measurable, value-driven solutions and long-lasting partnerships with clients.

Company size
10,001+
Company stage
IPO
Headquarters
Chantilly, VA
Founded
1944

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