Systems Engineer III; Clearance Required

Job Overview

The Systems Engineer III contributes to the development and implementation of advanced system solutions by providing alignment, connection, and direction to the technical team throughout the product development lifecycle. They represent the viewpoint of the integrated whole during system development and work to glue segments and subsystems together via top‑down decomposition of stakeholder requirements, traceability through development artifacts, and bottom‑up validation and verification of the system.

In this role you will specify, architect, and integrate complex system solutions while collaborating with cross‑functional teams and subject matter experts. You will derive, decompose, allocate, trace, and manage system requirements and architectures, and define and document system concepts of operation. You will support development milestone reviews by creating artifacts and deliverables, oversee system integration and verification activities, identify and manage technical risks, develop mitigation strategies, and contribute to continuous improvement initiatives.

• Develop and implement advanced system solutions across the product development lifecycle.
• Represent the integrated whole in system development, gluing segments and subsystems through top‑down decomposition and bottom‑up validation.
• Lead small teams to execute systems engineering scope and guide the team through technical milestones.
• Specify, architect, and integrate complex system solutions while collaborating with cross‑functional teams.
• Derive, decompose, allocate, trace, and manage system requirements and architectures.
• Develop and author verification procedures, test plans, and acceptance criteria aligned to requirements traceability.
• Identify, manage technical risks and develop mitigation strategies.
• Oversee system integration and verification activities to ensure functionality and performance.
• Contribute to continuous improvement initiatives and adhere to established engineering processes and standards.

• Bachelor’s degree in a related field (or equivalent work experience; Master’s degree + 3 years of experience).
• 5+ years of related experience (or Master’s degree + 3 years of experience).
• Emerging expertise in systems engineering principles and practices, including full life‑cycle understanding.
• Knowledge of requirements management, functional requirements parsing, derivation, and allocation.
• Knowledge of systems architecture, systems integration, and Verification & Validation (V&V) principles.
• Emerging ability to work and communicate with technical and specialty subject matter experts.
• Active Secret U.S. Security Clearance required; U.S. citizenship required.

• 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 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.

Active Secret U.S. Security Clearance is required. U.S. citizenship is required; non‑U.S. citizens may not be eligible to obtain a clearance.

Pay Range: $ – $. 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.

• Medical, dental, and vision plans
• 401(k) with 150% match up to 6%
• Life insurance
• 3 weeks paid time off
• Other benefits as offered

Sierra Space Corporation is an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you need special assistance or a reasonable accommodation related to applying for employment with Sierra Space or at any stage of the recruitment process, contact us.