Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Sr. Principal Systems Integration & Test Engineer

Part-time

Spara Technologies

About Spara Technologies

Spara Technologies delivers advanced engineering, staffing, and mission-focused solutions across energy, cyber, air, land, sea, and space domains. We combine the right people, proven processes, and specialized expertise to deliver results—ready to execute today. Driven by our commitment to the warfighter, we place their mission and success at the heart of everything we do.

We are currently seeking a Senior Principal Systems Integration & Test Engineer to join our team supporting the integration and testing of cutting-edge missile hardware and software systems. This role offers the opportunity to work on critical defense technology while mentoring junior engineers and contributing to real-world national security outcomes.

Key Responsibilities:

  • Perform integration of new hardware components into existing missile test systems and support infrastructure.
  • Lead the integration, checkout, and verification of newly developed missile systems, including both hardware and software elements.
  • Collaborate across engineering disciplines to ensure smooth system-level integration and test execution.
  • Provide technical leadership and mentorship to junior engineers working on test systems and integration tasks.
  • Troubleshoot complex integration issues and support root cause analysis and resolution.

Required Qualifications:

  • Typically requires a bachelor's degree in engineering, physics, or a related field and a minimum of 10 years of relevant experience ; or an advanced degree with at least 7 years of experience .
  • Active and transferable U.S. government security clearance is required prior to start; U.S. citizenship is mandatory.
  • Proven experience with electronic systems integration .
  • Strong familiarity with test equipment and communication protocols such as 1553 and SpaceWire .
  • Demonstrated ability to lead complex integration tasks and support multi-disciplinary engineering teams.
Vacancy posted 6 days ago
Similar jobs that could be interesting for youBased on the Sr. Principal Systems Integration & Test Engineer in Tucson, AZ vacancy
  •  ...Senior Engineer At RTX, the world's largest aerospace and defense company, 18...  ...safer, more secure world. In the Systems Engineering and Test Capabilities (SETC) Center, we work...  ...Requirements Development, Systems Design, Integration & Test, Platform Integration, Flight... 
    Principal
    For subcontractor

    Raytheon

    Tucson, AZ
    3 days ago
  •  ...constellation deployment. Our Space Systems business designs and builds our extensive...  ..., constellation, or the vertically integrated components that help them get to...  ...space missions. SENIOR INTEGRATION & TEST ENGINEER II/PRINCIPAL Rocket Lab's Optical Systems division... 
    Principal
    Senior
    Permanent employment
    Local area

    Rocket Lab Corporation

    Tucson, AZ
    4 days ago
  •  ...Mechanical Engineer The Precision Control Actuation System department is seeking an expert mechanical engineer to...  ...supporting primarily control section Integrated Product Teams. You will provide...  ...design, earned value management, test design and execution, and systems... 
    Principal
    Senior
    Flexible hours

    Raytheon

    Tucson, AZ
    1 day ago
  •  ...Senior Electro-Optical Integration & Test Engineer The Effectors Optics Department is seeking a Senior Electro-Optical Integration & Test Engineer...  ...development, qualification, and production of advanced EO systems. This role focuses on imaging sensor subsystems, hardware... 
    Senior
    Relocation package

    Raytheon

    Tucson, AZ
    1 day ago
  •  ...Job Title: Systems Integration And Test Engineer Location: Tucson AZ 85756 Contract: 6 - 12 MonthsContract Job ID: 14951715/14951716 Citizenship Requirement: US Citizen With Active Clearance Payrate: $60.00 - 75.00/hr on W2... 
    Suggested
    Contract work

    Trispoke Managed Services Pvt Ltd

    Tucson, AZ
    1 day ago
  •  ...Sr Principal Systems Engineer Talon is a small business engineering firm providing innovative, end-to-end, rapid...  .... Key Responsibilities: Lead Test Campaigns: Plan, execute, and document system-level integration and verification activities in lab and field... 
    Principal
    Senior
    Work at office

    Talon Analytics

    Tucson, AZ
    3 days ago
  •  ...Systems Engineer At Raytheon, the foundation of everything we do is rooted in our values and...  ...safer, more secure world. Raytheon's Integrated Solutions Modeling and Architecture...  ...planning application software development and testing Qualifications You Must Have... 
    Principal
    Senior
    Flexible hours

    Arizona Staffing

    Tucson, AZ
    4 days ago
  • $86.8k - $165.2k

     ...aggression. With more than 100 years of engineering excellence, we solve complex,...  ...Department is seeking a Senior Electro-Optical Integration & Test Engineer to join a multidisciplinary...  ...qualification, and production of advanced EO systems. This role focuses on imaging sensor... 
    Senior
    Temporary work
    Work experience placement
    Interim role
    Work at office
    Remote work
    Relocation package
    Flexible hours

    Raytheon Technologies

    Tucson, AZ
    1 day ago
  •  ...Senior Principal Structural Engineer – Mechanical Analysis and Test (MA&T)Location: Tucson, AZ (Onsite) Responsibilities Perform detailed structural analyses for...  ...phases, from preliminary concepts to fielded weapon system support. Generate test plans to validate analyses... 
    Principal
    Senior
    Temporary work
    Flexible hours

    Prattwhitney

    Tucson, AZ
    4 days ago
  • $132.4k - $251.6k

     ...Sr. Principal Subsystems Engineer The Flight Avionics Team provides Electrical Systems Engineering to develop Guidance Electronics solutions for products across the...  ...responsibilities include architecture, requirements, integration, and test. Our core electrical engineering... 
    Principal
    Senior
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Flexible hours

    Raytheon

    Tucson, AZ
    3 days ago
  • $132.4k - $251.6k

     ...Sr. Principal Systems Engineer - Missile Guidance, Navigation, & Control Engineer The Effectors PG&...  ...evaluation, design, implementation, and integration of embedded software algorithms. You...  ...Development, integration, and testing of embedded tactical missile flight... 
    Principal
    Senior
    Temporary work
    Work experience placement
    Interim role
    Currently hiring
    Relocation package
    Flexible hours

    Raytheon

    Tucson, AZ
    1 day ago
  • $132.4k - $251.6k

     ...Sr. Principal Systems Engineer – RF Signal Processing Location: Tucson, AZ. This onsite role requires a U.S. citizen with an active Secret...  ...and use them in the design, development, prototyping, integration, testing, and performance assessment of RF algorithms and models... 
    Principal
    Senior
    Temporary work
    Interim role
    Relocation package
    Flexible hours

    Prattwhitney

    Tucson, AZ
    3 days ago
  • $132.4k - $251.6k

     ...years of experience and renowned engineering expertise to meet the needs...  ...secure world. Raytheon's Integrated Solutions Modeling and...  ...tools and methods to evaluate system level studies and visualization...  ...application software development and testing Qualifications You Must... 
    Principal
    Senior
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Flexible hours

    Raytheon Technologies

    Tucson, AZ
    13 hours ago
  • $132.4k - $251.6k

     ...experience and renowned engineering expertise to meet the needs...  ...(PG&C) Center within the Systems Engineering and Test Capabilities Discipline...  ...Processing team is seeking Sr. Principal Systems Engineer - RF...  ...development, prototyping, integration, testing, and performance... 
    Principal
    Senior
    Temporary work
    Work experience placement
    Interim role
    Work at office
    Remote work
    Relocation package
    Flexible hours

    Raytheon Technologies

    Tucson, AZ
    2 days ago
  •  ...Senior Principal Structural Engineer At Raytheon, the foundation of everything we do is rooted in our...  ...world. The Mechanical Analysis and Test (MA&T) Department is responsible for ensuring...  ...concepts to fielded weapon system support, MA&T delivers innovative structural... 
    Principal
    Senior
    Temporary work

    Raytheon

    Tucson, AZ
    1 day ago
  • $132.4k - $251.6k

     ...Senior Principal Engineer – Effector RF Design Team (Tucson, AZ) Job Summary...  ...Specify, design, and test advanced RF sensors and subsystems...  ...millimeter‑wave. Decompose system‑level requirements into detailed...  ...and sensor design, integration, or testing. Experience integrating... 
    Principal
    Senior
    Temporary work
    Relocation package
    Flexible hours

    Prattwhitney

    Tucson, AZ
    3 days ago
  •  ...Vision, PTO, Holidays, 401K, etc. Principal Test Equipment Design Engineer Location: Tewksbury, MA Schedule:...  ...advanced test platforms, factory test systems, and automated test architectures...  ...and architecture through design, integration, verification, deployment,... 
    Principal
    Full time
    Contract work
    Interim role
    Monday to Friday

    Associates Systems LLC

    Tucson, AZ
    3 days ago
  • $132.4k - $251.6k

     ...Flight Avionics Department within Raytheon Hardware Engineering provides Electrical Systems Engineering to develop Electronic Systems solutions...  ...responsibilities include architecture, requirements, integration, and test. Our core electrical engineering technologies include... 
    Principal
    Senior
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Relocation
    Flexible hours

    Raytheon

    Tucson, AZ
    1 day ago
  • $132.4k - $251.6k

     ...Effector RF Design Antenna & Radome Engineer – Tucson, AZ Raytheon’s Effector RF Design Antenna...  ...teams (thermal, structural, mechanical, systems). Coordinate with antenna or radome...  ...manufacturing suppliers. Analyze simulation and test data to verify performance against... 
    Principal
    Senior
    Temporary work
    Interim role
    Flexible hours

    Prattwhitney

    Tucson, AZ
    1 day ago
  • $132.4k - $251.6k

     ...Senior Principal Engineer The Effector RF Team at Raytheon is seeking a...  ...Specify, design, and test advanced RF sensors and subsystems...  ...millimeter-wave. Decompose system-level requirements into detailed...  ...the following: Design, integration, and/or test of RF... 
    Principal
    Senior
    Temporary work
    Work experience placement
    Interim role
    Relocation
    Flexible hours

    Raytheon

    Tucson, AZ
    1 day ago
  • $132.4k - $251.6k

     ...exciters. This includes design and test activities that span preliminary design to integration. Products we develop support...  ...’s in Science, Technology, Engineering, or Mathematics (STEM) and a minimum...  ...or equivalent, Advanced Design System (ADS) or equivalent. Preferred... 
    Principal
    Senior
    Temporary work
    Apprenticeship
    Relocation
    Flexible hours

    Prattwhitney

    Tucson, AZ
    3 days ago
  • $132.4k - $251.6k

     ...Senior Principal Electrical Systems Engineer At Raytheon, you have the opportunity to try new things and make a bigger difference across a broader...  ...; developing and documenting subsystem requirements and test plans; peer reviews of designs as a subject matter expert... 
    Principal
    Senior
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Relocation package
    Flexible hours

    Arizona Staffing

    Tucson, AZ
    3 days ago
  •  ...Job Purpose: The Senior Semiconductor Test Engineer leads the development, optimization,...  ...including laser diode chips, bars, arrays, and integrated assemblies. Serve as the primary...  ...device performance, identify systemic issues, and drive long‑term improvements... 
    Senior

    Leonardo Electronics US Inc

    Tucson, AZ
    6 hours ago
  • $132.4k - $251.6k

     ...years of experience and renowned engineering expertise to meet the needs...  ...Precision Fire & Maneuver Systems SSBU that is part of the Land...  ...experience as subject matter experts, Integrated Product Team Leads, Cross...  ...system integration and test. Experience developing work... 
    Principal
    Senior
    Contract work
    Temporary work
    Work experience placement
    For subcontractor
    Work at office
    Remote work
    Relocation package
    Flexible hours

    Raytheon Technologies

    Tucson, AZ
    2 days ago
  • $132.4k - $251.6k

     ...years of experience and renowned engineering expertise to meet the needs of...  .... This includes design and test activities that span preliminary design to integration. Products we develop support radar...  ...equivalent Advanced Design System (ADS) or equivalent Ability... 
    Principal
    Senior
    Temporary work
    Apprenticeship
    Work experience placement
    Interim role
    Work at office
    Remote work
    Relocation
    Flexible hours

    RTX

    Tucson, AZ
    3 days ago
  • $132.4k - $251.6k

     ...Position: Software/Test Equipment Development Engineer – Tucson, AZ Role: Onsite What You Will Do Guide multidisciplinary...  ...ten (10) years developing and integrating software applications using C++, C#...  ...on DoD‑compliant information systems, leading program or project teams.... 
    Principal
    Senior
    Temporary work
    Flexible hours

    Prattwhitney

    Tucson, AZ
    4 days ago
  • $132.4k - $251.6k

     ...of experience and renowned engineering expertise to meet the needs...  ...currently hiring for a Senior Principal Project Engineer -...  ...Chief Engineer (CE), program Integrated Product Team Leads (IPTLs),...  ...project management tools and/or systems. Active and transferable... 
    Principal
    Senior
    Contract work
    Temporary work
    Work experience placement
    Currently hiring
    Work at office
    Remote work
    Relocation package
    Flexible hours

    Raytheon Technologies

    Tucson, AZ
    4 days ago
  • $132.4k - $251.6k

     ...of experience and renowned engineering expertise to meet the...  ...more secure world.  The Systems Engineering and Test Capabilities (SETC) organization...  ...currently hiring a Senior Principal Systems Engineer to join...  ...more to ensure we design, integrate, and strengthen our... 
    Principal
    Senior
    Temporary work
    Work experience placement
    Interim role
    Currently hiring
    Work at office
    Remote work
    Relocation package
    Flexible hours

    Raytheon

    Tucson, AZ
    5 days ago
  • $132.4k - $251.6k

     ...experience and renowned engineering expertise to meet the...  ...for our weapon system products. We are responsible...  ...space. As a Senior Principal FPGA Design Engineer...  ...requirements using both directed test and constrained random...  ...definition through integration and test. Design... 
    Principal
    Senior
    Temporary work
    Work experience placement
    Interim role
    Work at office
    Remote work
    Relocation
    Flexible hours

    RTX

    Tucson, AZ
    5 days ago
  •  ...circuit card characterization, verification, and integration. Collaborate with a multi‑disciplined engineering team on RF hardware testing and debugging of complex circuit card assemblies or electro‑mechanical systems. Test and handle sensitive RF hardware. Train and... 
    Senior
    Temporary work
    Apprenticeship
    Interim role
    Relocation
    Flexible hours
    Shift work
    Day shift

    Prattwhitney

    Tucson, AZ
    4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Sr. Principal Systems Integration & Test Engineer. Be the first to apply!