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

Systems Engineer III

$108.5k - $149.18k
Full-time

Sierra Nevada Corporation

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations – with an unrivaled record of on time and on (or under) budget deliveries.

SNC has led thoughtful and disruptive change in the aerospace and defense industry for the past 60 years and now, we’re applying this tenacity and expertise to the U.S. Air Force’s (USAF) Survivable Airborne Operations Center (SAOC) mission. Join the SNC-led SAOC team and be a part of exciting and meaningful work to modernize and deliver the next-generation SAOC aircraft trusted by the President, Secretary of Defense and Chairs of the Joint Chiefs of Staff to ensure continued critical command, control and communication during national emergencies. If you’re passionate about building the airborne command post of the future, consider SNC for your next mission. Learn more about NC3 and SAOC here.Are you a bold thinker? We dream big at SNC—advocating the exploration of space, keeping service members safe and creating the systems that keep our world united and sustain our way of living. Join our team! As a Systems Engineer III, you will handle advanced tasks in requirements engineering, systems integration, Verification & Validation (V&V), and Model Based Systems Engineering (MBSE). with a high level of competence. You will lead system and decision analysis, technical planning, and risk management efforts, providing guidance to junior engineers. You will take on significant project responsibilities, demonstrating expertise in architecture/design development, technical monitoring, and lifecycle management. Effective communication and collaboration are crucial as you drive project success and mentor less experienced team members.

Responsibilities:

  • Decompose and allocate top-level Nuclear Survivability requirements (e.g., radiation, EMP/HEMP, blast, thermal) into system, subsystem, and component-level specifications
  • Develop and maintain requirements traceability from system-level nuclear survivability criteria down to design and test artifacts
  • Collaborate with hardware, software, and specialty engineering teams to ensure nuclear survivability requirements are properly implemented across the system architecture
  • Support radiation testing activities, including test planning coordination, data review, and documentation
  • Assist in monitoring hardness assurance/hardness surveillance (HA/HS) processes to verify manufacturing and design compliance with nuclear survivability requirements
  • Participate in requirements reviews, design reviews, and technical interchange meetings related to nuclear survivability
  • Support preparation of compliance matrices, verification plans, and technical reports for internal and customer/government review
  • Identify and help resolve gaps, conflicts, or ambiguities in nuclear survivability requirements
  • Experience using JIRA, JAMA and CAMEO

Qualifications You Must Have:

  • Bachelor's degree in Systems Engineering, Electrical Engineering, Physics, or related field
  • Experience in requirements development, decomposition, and traceability for complex systems
  • Familiarity with nuclear survivability concepts (radiation effects, hardness assurance, EMP) or a strong aptitude to learn them quickly
  • Understanding of systems engineering processes across the full lifecycle (requirements, design, verification, validation)
  • Strong analytical, organizational, and communication skills for cross-functional collaboration

Qualifications We Prefer:

  • Direct experience with nuclear survivability standards (e.g., MIL-STD-3023, DG-1023) or radiation hardness assurance (RHA) programs
  • Familiarity with requirements management tools (e.g., DOORS, Jama)
  • Exposure to radiation test facilities, test data analysis, or hardness surveillance program monitoring
  • Active U.S. government security clearance

Essential Functions:

  • Ability to work on a computer for extended periods.
  • Hand/finger dexterity for system modeling and documentation.
  • Ability to work in a hybrid environment with occasional travel.

This posting will be open for application for a minimum of 5 days and may be extended based on business needs.

Estimated Starting Salary Range: $108,496.89 - $149,183.22. Compensation varies depending on a wide array of factors, such as candidates' key skills, relevant work experience, and education/training/certifications. The disclosed range estimate may be adjusted for any applicable geographic differential associated with the location at which the position may be filled.

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.

IMPORTANT NOTICE:

This position requires the ability to obtain and maintain a Top Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

Learn more about the background check process for Security Clearances.

SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We’re known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation’s most critical security needs. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state-of-the-art technologies that safeguard freedom, join our team!

SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Systems Engineer III in Lone Tree, Douglas County, CO vacancy
  • $119k - $136k

     ...Job Description Job Description Systems Engineer III Centennial, CO Who We Are Aurex is a mission-focused aerospace and defense company building the next frontier of deterrence. From hypersonics and missile defense to hardened networks and orbital systems... 
    Suggested
    Contract work
    Work experience placement

    Aurex

    Englewood, CO
    21 days ago
  • $160k - $200k

     ...Systems Engineer III – Product Owner | Satellite Ground Systems Salary Range: $160,000–$200,000 Clearance: Active and transferable TS/SCI required About the Opportunity Talent Stack is recruiting a Senior Systems Engineer – Product Owner on behalf of a defense and aerospace... 
    Suggested
    Internship

    Talent Stack

    Aurora, CO
    4 days ago
  • $108.5k - $149.18k

    ## Systems Engineer IIIApplyremote type: In officelocations: Lone Tree, COtime type: Full timeposted on: Posted Todayjob requisition id: R003...  ...sustain our way of living. Join our team! As a Systems Engineer III, you will handle advanced tasks in requirements engineering,... 
    Suggested
    Permanent employment
    Work experience placement

    Sierra Nevada Corporation

    Littleton, CO
    3 days ago
  • Sierra Nevada Corporation is looking for a Systems Engineer III in Lone Tree, CO, where you will handle advanced systems engineering tasks in requirements engineering, systems integration, and more. You will guide junior engineers and lead project responsibilities, demonstrating... 
    Suggested

    Sierra Nevada Corporation

    Littleton, CO
    3 days ago
  • $108.5k - $149.18k

     ...Join us in championing and protecting explorers and heroes! As a Test Engineer III, you will lead the development and execution of comprehensive test plans for advanced aerospace and defense systems. This role requires in-depth expertise in testing methodologies and the... 
    Suggested
    Full time
    Work experience placement
    Work at office

    Sierra Nevada Corporation

    Lone Tree, Douglas County, CO
    4 days ago
  • $50 per hour

     ...the future.Lockheed Martin Space is seeking a full-time Orion Systems Engineer. Be a part of the Artemis and Orion teams taking astronauts to...  ...for the Orion Integrated Test Laboratory in support of Artemis III (lunar landing) and future missions.Summary of Key Duties for... 
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours
    Shift work
    Afternoon shift

    Lockheed Martin

    Littleton, CO
    1 day ago
  • $50 per hour

     ...designing, developing, and delivering a next-gen wideband MILSATCOM system comprised of integrated space and ground segments that will...  ...resiliency. This position will be a key member of the Systems Engineering, Integration and Test (SEIT) team in support of the final... 
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours

    Lockheed Martin

    Highlands Ranch, CO
    1 day ago
  • $170k - $190k

     ...States Defense and Intelligence Communities in support of national security.Rincon Research Corporation is seeking an Advanced Systems Engineer to serve on the systems engineering team of an end-to-end development program studying, designing, and deploying advanced... 
    Temporary work
    For contractors
    Flexible hours

    Rincon Research

    Centennial, CO
    3 days ago
  • $50 per hour

     ...the future.Lockheed Martin Space is seeking a full-time Orion Systems Engineer. Be a part of the Artemis and Orion teams taking astronauts to...  ...in the Orion Integrated Test Laboratory in support of Artemis III and future missions.Summary of Key Duties for this position:•... 
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours
    Shift work
    Afternoon shift

    Lockheed Martin

    Littleton, CO
    1 day ago
  • $69.1k - $141.5k

    Job Title: Systems EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance...  ...Opportunity:This position is for a Systems Engineer in either Aurora, CO; King of Prussia, PA...  ...related mission systems• IAT Level II or III certification (e.g., CompTIA Security+,... 
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Aurora, CO
    23 hours ago
  • $50 per hour

     ...designing, developing, and delivering a next-gen wideband MILSATCOM system comprised of integrated space and ground segments that will...  ...resiliency. This position will be a key member of the Systems Engineering, Integration and Test (SEIT) team in support of the final... 
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours

    Lockheed Martin

    Highlands Ranch, CO
    1 day ago
  • $50 per hour

     ...designing, developing, and delivering a next-gen wideband MILSATCOM system comprised of integrated space and ground segments that will...  ...resiliency. This position will be a key member of the Systems Engineering, Integration and Test (SEIT) team in support of the final... 
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours

    Lockheed Martin

    Highlands Ranch, CO
    1 day ago
  • $50 per hour

     ...you.Lockheed Martin Space is seeking a full-time Orion Senior Systems Engineer. Be a part of the Artemis and Orion teams taking astronauts to...  ...), and Orion Utility Network Lab (OUNL) in support of Artemis III and future missions.Responsible for ensuring the Denver Test Labs... 
    Full time
    Temporary work
    Work experience placement
    Casual work
    Flexible hours
    Shift work
    Afternoon shift

    Lockheed Martin

    Littleton, CO
    1 day ago
  • $81.7k - $136.16k

     ...Systems Engineer 2Date: Jun 25, 2026Location: Centennial, CO, US, 80112Company: United Launch AllianceRequisition ID: 1814 Standard Weekly Hours: 40.00 Location: ULA - Denver Relocation: Yes- Relocation may be available Travel Requirements: 25%At ULA, success comes through... 
    Hourly pay
    Permanent employment
    Relocation
    Flexible hours

    United Launch Alliance

    Centennial, CO
    23 hours ago
  • $75k - $230k

     ...Systems Engineers - All Levels Candidate must have an active TS/SCI clearance. Responsibilities Support the operation and maintenance of ground segment system engineering architecture/design Analyze and implement key interface control documents by tracing to ground requirements... 

    DCCA

    Centennial, CO
    1 day ago
  •  ...support (e.g. networking, storage, monitoring, compute, installation, configuration, maintenance, upgrade, retirement) Experience in system administration and technical support (e.g. installation, configuration, maintenance, upgrade, retirement, problem resolution)... 

    Donatech

    Centennial, CO
    1 day ago
  • $79.3k - $147.3k

     ...Standard Job Description Imagine a role where every day youare called upon to solve some of the world’s most demanding engineering challenges. As a System Engineer‑IT on the C2 Ground program, you’ll be at the heart of a mission that blends visionary design with hands‑on... 
    Full time
    Temporary work
    Work experience placement
    Flexible hours

    Lockheed Martin Corporation

    Centennial, CO
    3 days ago
  • $81.7k - $136.16k

     ...United Launch Alliance (ULA) is seeking a Level 2 Systems Engineer for their Vulcan Development organization in Centennial, Colorado. This position involves supporting system upgrades and collaborating with multidisciplinary teams to enhance ULA's launch capabilities.... 
    Relocation

    United Launch Alliance

    Centennial, CO
    1 day ago
  • $110k - $155k

     ...nationally recognized "Great Place To Work", has exciting opportunities providing Engineering solutions for innovative new-entrant space companies, as well as established space systems manufacturers, commercial space system operators and service providers, and other industry... 
    Work at office

    Stellar Solutions

    Centennial, CO
    1 day ago
  •  ...Sierra Nevada Corporation in Englewood, Colorado is seeking a Systems Engineer III to handle advanced tasks in requirements engineering, systems integration, and model-based systems engineering. This role requires 6+ years of experience and a Bachelor's degree in Engineering... 

    Sierra Nevada Corporation

    Englewood, CO
    4 days ago
  • $79.3k - $147.3k

     ...customers while maintaining the technical requirements of the strategic deterrence. Lockheed Martin is seeking a resourceful Systems Engineer, Senior to become a member of the Systems Engineering and Integration Team. As a Systems Engineer, Senior, You Will Develop subsystem... 
    Full time
    Temporary work
    Work experience placement
    Flexible hours

    Lockheed Martin Corporation

    Centennial, CO
    5 hours ago
  •  ...Lockheed Martin Space in Colorado is seeking a Senior Systems Engineer - Simulation to develop a 6DOF missile trajectory simulation and support analysis across the FBM program. You will write or modify software in C++, perform verification with legacy simulations and... 
    Work at office

    Lockheed Martin Corporation

    Centennial, CO
    1 day ago
  • $107.5k - $204.5k

     ...the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead...  ...secure world. We have an exciting opportunity for a Principal Systems Engineer – Product Owner supporting one of our premier... 
    Temporary work
    Work experience placement
    Work at office
    Remote work
    Relocation
    Flexible hours

    Raytheon

    Centennial, CO
    3 days ago
  • $99.6k - $166.01k

     ...Systems Engineer 3Jun 25, 2026Centennial, CO, US, 80112United Launch AllianceRequisition ID: 1813 Standard Weekly Hours: 40.00 Location: ULA - Denver Relocation: Yes- Relocation may be available Travel Requirements: 25%At ULA, success comes through the efforts of a strong... 
    Hourly pay
    Permanent employment
    Relocation
    Flexible hours

    United Launch Alliance

    Centennial, CO
    4 days ago
  •  ...Lockheed Martin in Colorado is seeking a System Engineer-IT for the C2 Ground program. You will maintain end-to-end system architectures across servers, virtualization and storage while ensuring secure, reliable operations. The role emphasizes vulnerability remediation... 

    Lockheed Martin Corporation

    Centennial, CO
    3 days ago
  • $150k - $200k

     ...Senior Systems EngineerAltamira Technologies Corporation is seeking an experienced Systems Engineer/Integrator to fulfill a role with a small multi-functional team to support dynamic, mission-critical programs. Our ideal candidate would possess a broad range of engineering... 

    ClearanceJobs

    Centennial, CO
    2 days ago
  • $108.5k - $149.18k

     ...advocating the exploration of space, keeping service members safe and creating the systems that keep our world united and sustain our way of living. Join our team! As a Systems Engineer III, you will handle advanced tasks in requirements engineering, systems integration,... 
    For contractors
    Work experience placement
    Immediate start

    Sierra Nevada Corporation

    Littleton, CO
    1 day ago
  •  ...SEAKR Engineering, Inc. seeks an experienced Senior Space Electronics Systems Engineer to lead design, development, testing, and qualification of mission‑critical electronic subsystems for next‑gen space products. You will collaborate with hardware, firmware, mechanical... 

    SEAKR Engineering

    Centennial, CO
    1 day ago
  • $143.49k - $197.29k

     ...Senior Systems EngineerAre you a bold thinker? SNC is seeking a senior systems engineer with a background in Radio Frequency (RF) systems design with a focus on Electronic Warfare (EW) capabilities. We are looking for someone knowledgeable with emerging technologies,... 
    Work experience placement

    Navstar

    Lone Tree, Douglas County, CO
    23 hours ago
  • $95.9k - $178.1k

     ...security and prosperity. Join us in shaping a new era in space and find a career that's built for you. We are currently seeking a Systems Engineer , Senior - Missile Performance Simulation/Analysis . Duties Missile system trajectory performance and functionality analyses... 
    Full time
    Temporary work
    For contractors
    Work experience placement
    Work at office
    Flexible hours

    Lockheed Martin Corporation

    Centennial, CO
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Systems Engineer III. Be the first to apply!