Demo

Senior System Engineer

EXB Solutions, Inc
Phoenix, AZ Contractor
POSTED ON 4/1/2025
AVAILABLE BEFORE 4/30/2025

We don’t just build technology—we engineer the future. From next-gen aerospace to cutting-edge defense systems, we tackle the toughest, mission-critical challenges that keep people safe and push the limits of innovation. This is where problem-solvers, innovators, and big thinkers thrive.


EXB Solutions (a Quest Defense Systems and Solutions company) is growing and looking to add a Senior Principal Systems Engineer to shape the future of space-based defense technology, working alongside some of the best minds in the industry. As our Senior Principal Systems Engineer, you will lead the design, integration, and optimization of advanced satellite ground systems and secure network architectures. This role requires deep expertise in complex RF system design, satellite communications, and high-speed data applications, ensuring seamless connectivity between ground and space assets. You will be responsible for requirements analysis, system design, trade studies, and performance optimization, while ensuring compliance with government security standards. Additionally, you will coordinate system interfaces, manage scope complexity, and collaborate with cross-functional teams in a fast-paced, agile environment.

CLEARANCE REQUIREMENTS

Department of Defense Secret security clearance is preferred at the time of hire. Candidates must be able to obtain a Secret clearance within a reasonable amount of time from the date of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within the facilities, U.S. citizenship is required.

Key Responsibilities:

  • Performs requirements analysis, requirements definition, requirements management, functional analysis, performance analysis, system design, detail trade studies, systems integration and test (verification), validation and interface definition studies of subsystem or system elements under the supervision of the lead systems engineer
  • Performs technical planning, cost and risk analyses, and supportability and effectiveness analyses for subsystems and system elements
  • Performs customer requirements analysis, develops system requirements and defines allocations to lower levels (elements and components)
  • Performs detailed technical analyses for a subsystem or system elements
  • Develops and evaluates systems, networks and information systems to ensure designs meet applicable governmental security specifications
  • May provide system accreditation/certification evaluation and test support to ensure all technical security features (e.g., identification, authentication, access control, labeling, and auditing) of the system are considered and function properly
  • May develop system security documentation on both new and fielded information systems
  • Participates in Modeling and Simulation
  • Researches and analyzes data, such as vendor products, COTS components, GFE/CFE, specifications, and manuals to determine feasibility of design or application
  • Supports the generation of technical engineering products by using the appropriate standards, processes, procedures, and tools throughout the system development life cycle
  • May provide leadership and/or direction to lower level employees
  • Independently determines proposed approach to solutions
  • Contributes to the completion of major programs and projects
  • Plans and executes project tasks for activities described above
  • Creative, innovative responsibilities requiring advanced decision-making skills
  • Defines processes for technical platforms, system specifications, input/output and working parameters for hardware and/or software compatibility
  • Demonstrates good judgment in selecting methods and techniques for obtaining solutions
  • Designs a complete and complex framework, system or product
  • Identifies, analyzes and resolves system design weaknesses
  • Regular contact with senior levels of internal working groups
  • Contact with Deputy Program Managers Engineering (DPME) and other professionals within the Engineering department and with project teams across the company
  • Coordinating external interfaces and ICDs
  • Multi-level security domain expertise (and cross-domain)
  • Quickly (with a more agile light-weight approach) decomposing requirements to a level that can avoid requirements bloat (and communicate/track impacts)
  • System-level networking person that can face off with the GFE WAN provider and coordinate detailed network design
  • Someone that can understand what is in scope and what is out of scope and manage that complexity

Qualifications:

  • US Citizenship
  • Bachelor’s degree in Systems Engineering or a related Science, Engineering or Mathematics field.
  • 10 years of job-related experience (or 8 years of job-related experience with a Master’s degree).
  • Satellite communications knowledge, Ground to Satellite communication knowledge, or Ground operations experience
  • Complex ground RF system design (satellite, radio, or cellular network)
  • RF and modem communications system link budget design
  • Deployment of system, and in-field testing of RF networks
  • Software or hardware system design for high-speed data applications including protocols at the network layer and transport layers of large networks
  • Error budget analysis in either the RF or latency of large complex systems
  • Exceptional leadership and communication skills
  • Agile experience

Why EXB Solutions:

We’re a family-like-company. We are collaborative. We believe in embracing change. We believe in doing consistent good work. EXB houses smart, curious and passionate about “making a difference” people. Our company culture sets us apart from others as well as:

  • 401k with Employer-Match Contributions
  • Medical, Dental, and Life coverage
  • Disability Benefits
  • Gym Membership
  • Generous compensation structure
  • Significant opportunities for advancement
  • Next Generation / Cutting Edge Technology Projects
  • Certification Assistance Available (Approval Required)
  • Flexible, Friendly and Fun work environment

About Us

EXB Solutions is a leading provider of engineering services focused on mission and safety critical applications. With a strong reputation for delivering innovative solutions to clients in the aerospace, defense, space, and other safety-critical industries, we are committed to ensuring the safety, reliability, and performance of critical systems.

Our team of experienced engineers specialize in developing solutions that meet the highest standards of safety, reliability, and performance. We work closely with Fortune 50 clients to understand their unique requirements and develop solutions that are tailored to their specific needs. Whether it’s developing custom avionics software for unmanned aerial vehicles or implementing safety-critical software for medical devices, we have the expertise and experience to deliver the highest quality solutions.

On September 1, 2022, EXB Solutions announced it is now part of Quest Defense, which is a Quest Global company.

Learn more at www.exbsolutions.com

Know about our work at https://exbsolutions.com/company/

Check out our other openings at https://exbsolutions.com/careers/

EXB Solutions provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

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