Systems Engineer IV (ISR)

Title: Systems Engineer IV

Segment:   Voyager - Defense & National Security

Location:  Folsom, CA

Job Type: Full Time  - Hybrid

Relocation Eligible: No

Company Description: Voyager is an innovative defense, national security and space technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets to lead in the race for technological and operational superiority from ground to space.

Valley Tech Systems (VTS), a wholly owned subsidiary of Voyager Technologies, is an innovative engineering company that is leading the way in controllable solid propulsion and open architecture airborne intelligence, surveillance, and reconnaissance (ISR) technologies. VTS’ innovative solutions address technology needs across the U.S. Government and commercial space industry. reentry systems, missile defense, commercial and DoD space launch systems, small launch vehicles, and payloads.

At VTS our mission is to supply the most advanced and innovative solutions to complex problems found in the Department of Defense weapon systems. We approach these problems using a “mission-focused”, “customer first” engineering approach. Working at VTS means you will be engaging with industry pioneers at a small company who all work collaboratively to make big things happen.

Position Description: 

As a Systems Engineer IV, you will be a key technical contributor to our cutting-edge signals intelligence systems. You will design, develop, and integrate the next generation of SIGINT software and hardware, taking ownership of critical system components from concept through deployment. This role offers the opportunity to work within multidisciplinary teams, solve complex technical problems, and interface with customers to ensure mission success.

Responsibilities: 

Technical Execution & Mentorship:

• Provide technical guidance and mentorship to junior engineers on systems and software engineering tasks.
• Work closely with program management and senior engineers to identify and mitigate complex technical challenges.
• Execute complex engineering tasks as a key member of the project team.

System Design & Development:

• Contribute to the architecture and lead the design and integration of advanced SIGINT systems and subsystems.
• Perform design, development, integration, test, and analysis of signal processing algorithms and capabilities.
• Incorporate rigorous Systems Engineering processes, including requirements development, flow-down, verification, and validation.
• Perform technical trade studies and develop risk management plans for system components.
• Apply your technical knowledge in Signal Processing Architectures, Digital Signal Processing, and Software Architecture.

Business & Programmatic Contribution:

• Contribute to proposal generation, developing technical solutions, cost estimates, and schedules.
• Interface directly with technical peers, program managers, and external customers.

Requirements:

• Seven (7) or more years of engineering experience, with at least four (4) years focused on signal collection and signal processing systems.
• Bachelor’s degree in the field of Engineering or Computer Science from an accredited university.

Technical Skills: 

• Experience with software-defined radios (SDRs) and their application in SIGINT systems.
• Knowledge of wireless communications systems and protocols (e.g., AM, FM, BPSK, QPSK, QAM).
• Experience with modeling and simulation of signal processing algorithms.
• A strong understanding of electromagnetic fundamentals related to antennas and receiving systems.

Leadership Skills: 

• Proven ability to work effectively in technical teams and take ownership of complex tasks.
• Excellent verbal and written communication skills.
• Ability to thrive in a fast-paced, collaborative, and small-team environment.

Other Requirements

• Ability to travel approximately 10% of the time for on-site integration and customer meetings.

Preferred Qualifications

• An active DoD SCI Security Clearance.
• A Master’s degree or PhD in Engineering or Computer Science.
• Understanding of and experience with SIGINT direction-finding systems.
• Experience with machine learning in embedded (or “edge”) environments.
• A track record of leading R&D efforts that have resulted in fielded capabilities, publications, or demonstrations.
• Experience with Model Based Systems Engineering.
• Experience with electromagnetic simulation applications such as HFSS or FEKO

Salary Range: $131,025 - $176,907

Application Deadline: July 31, 2025

Please click “Apply” to submit your application.

Voyager offers a comprehensive, total compensation package, which includes competitive salary, a discretionary annual bonus plan, paid time off (PTO), a comprehensive health benefit package, retirement savings, wellness program, and various other benefits. When you join our team, you’re not just an employee; you become part of a dynamic community dedicated to innovation and excellence.

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.

Voyager is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law. 

Minority/Female/Disabled/Veteran

The statements contained in this job description are intended to describe the general content and requirements for performance of this job. It is not intended to be an exhaustive list of all job duties, responsibilities, and requirements. This job description is not an employment agreement or contract. Management has the exclusive right to alter the scope of work within the framework of this job description at any time without prior notice.