Systems Engineer III (Clearance Required) Jobs
$119.06k - $163.71kClearanceJobs
Systems Engineer IIISierra Space Careers: At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth. Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond. Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space. We are mission-driven, and together, we are an extraordinary team.About the Role 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. The Systems Engineer III represents the viewpoint of the integrated whole during system development and works 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. They help to shepherd the team through technical development milestones, track performance measures and identify technical risks to arrive at a compliant and cohesive system solution. The Systems Engineer III is an emerging leader in Systems Engineering principles and is proficient in the majority of systems engineering skills including requirements management, system architecture development, concept of operation definition, system integration and system verification. The Systems Engineer III may lead small teams to execute systems engineering scope. In this role, you will specify, architect, and integrate complex system solutions while collaborating with cross-functional teams and subject matter experts to understand project requirements and objectives. You will derive, decompose, allocate, trace, and manage system requirements and architectures, as well as define and document system concepts of operation. Supporting development milestone reviews by creating artifacts and deliverables will be a key responsibility, alongside overseeing system integration and verification activities to ensure system functionality and performance. You will identify and manage technical risks, develop mitigation strategies, and contribute to continuous improvement initiatives by identifying areas for enhancement. Adhering to established engineering processes and standards will be essential, and you will communicate effectively with team members and stakeholders to ensure project alignment and successful execution.About You Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower – to join us in this critical mission. We're looking for team members who align with our values, mission and goals – while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.Requires Bachelor's degree in a related field (or equivalent work experience in lieu of degree or Masters +3 yrs experience).Typically 5+ years of related experience (or Masters + 3 years of experience).An active Secret(or above) U.S. Security Clearance is requiredEmerging expertise in Systems Engineering principles and practices, including a thorough understanding of the systems development lifecycle.Knowledge of requirements management, functional requirements parsing, derivation, and allocation.Knowledge of systems architecture, systems integration, and Verification and Validation (V&V) principles.Emerging ability to work and communicate with technical and specialty subject matter expert engineers to drive systems engineering products.Preferred Qualifications: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 in 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.Compensation: Pay Range: $119,064.00 - $163,713.00 Your 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. IMPORTANT NOTICE: This position requires current/active 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.Elevate Your Career At Sierra Space, we are committed to your personal and professional development. We empower you to make profound and meaningful contributions and foster a vibrant culture of collaboration, where teamwork ignites breakthrough innovations. We also offer 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, and more.Sierra Space is an industry-leading space and defense technology company providing satellites, spacecraft, and enabling mission systems and components. We deliver mission-proven technologies to our customers that safeguard our nation, protect space-based assets and enable space exploration.
$108.5k - $149.18k
...Systems Engineer IIIAre you a bold thinker? We dream big at SNC—advocating the... ...our team! As a Systems Engineer III, you will handle advanced tasks in requirements engineering, systems integration... .../active Secret U.S. Security Clearance. U.S. Citizenship status is required...SuggestedWork experience placement$50 - $77 per hour
...Position: Systems Engineer III Location: Centennial, CO or Long Beach, CA Fully onsite... ...Experience supporting system or subsystem requirements development, traceability, and... ...and maintain a DoD TS/SCI or TS/SAP clearance Nice to Have Skills Advanced...SuggestedHourly payFull timeContract workFor subcontractor- ...Sierra Space Corporation is seeking a Systems Engineer III to architect and integrate complex... ...teams. You will derive and manage system requirements, document operation concepts, and... ...deliver cohesive system solutions. Security clearance is required. #J-18808-Ljbffr...Suggested
- ...Sierra Space in Colorado seeks a Systems Engineer III to lead alignment and integration of complex... ...product lifecycle. You will drive requirements management, architecture development,... ...functional teams. A Secret security clearance is required to support national...Suggested
$50 - $77 per hour
...Systems Engineer IIIThe Systems Engineer III will support the development, integration, and verification of complex spacecraft and aerospace systems while... ...subsystem engineering teams to develop and manage requirements, maintain traceability, evaluate interfaces and design...SuggestedHourly pay$108.5k - $149.18k
...manned and unmanned aircraft systems integrator for innovative,... ..., performance, and schedule requirements and designs to consistently... ...Join our team! As a Systems Engineer III, you will handle advanced tasks... ...a Secret U.S. Security Clearance. U.S. Citizenship status is...For contractorsWork experience placementImmediate start$110.66k - $152.18k
## Mechanical Engineer III (Structures) (Clearance Required)Applylocations: Centennial, CO: Louisville, COtime type:... ...Sierra Space, we build the missions and systems that keep our world secure in the... ...-case basis and may vary based on job-related knowledge and skills,...Contract workWork experience placement$129.78k - $178.44k
...build the missions and systems that keep our world... ...Navigation & Controls Engineer III to lead the design, development... ..., you will integrate requirements into detailed GNC... ...U.S. Security Clearance is required. Preferred... ...and may vary based on job-related knowledge and...Contract workWork experience placement$50 per hour
...date within 5 yearsFinal Clearance: Secret with... ...Unit: RMS CoreStandard Job Description Who We Are:... ...we leverage Model-Based Engineering and Test Automation to enhance our system architecture, design, and... ...you will:Review customer requirements to fully understand the...Full timeTemporary workWork experience placementCasual workWork at officeWork from homeFlexible hours$120k - $180k
...are seeking Level 3 Aerospace Systems Engineers to join our team in... ...mission, element, and subsystem requirements across complex, mission-critical... ...U.S. government security clearance.PREFERRED SKILLS AND EXPERIENCEExperience... ...following considerations: job-related knowledge and skills...Permanent employmentFor subcontractorWork at officeFlexible hours- ...Applied Research Solutions in the Littleton, CO area is seeking Systems Engineers to join a Scrum team delivering NGA-focused geospatial data management software. You will help with UI design, system modeling, training material development, and user outreach to ensure...
- ...Sierra Nevada Corporation is seeking a Systems Engineer III to lead requirements engineering, systems integration, V&V, and MBSE across complex DoD ISR... ..., and manage risk to ensure on‑time, within‑budget delivery while maintaining a Secret clearance. #J-18808-Ljbffr
$145.1k - $269.5k
...Prior to Start: SecretFinal Clearance: SecretPay Transparency: $145... ...SpaceBusiness Unit: SpaceStandard Job DescriptionJoin Our Team as an Avionics Responsible Systems Engineer where you will work on the... ...but not limited to): System Requirements Review (SRR), Change Review Board...Full timeTemporary workWork experience placementCasual workWork at officeFlexible hours- ...RTX is seeking a System Engineering and Test Engineer co-op in a part-time, remote role targeting senior or postgraduate students with a December 2027 graduation date. The program includes security clearance activities and mentor support, with a path to full-time onsite...Full timePart timeRemote work
$130.71k - $182.99k
...cost space vehicles and systems within a culture of... ...orbit. As an RF Systems Engineer III within the Advanced... ...through system-level requirements definition and flow-down... ...Secret (TS) security clearance or the ability to obtain... ...likely to apply to jobs unless they meet every...Permanent employmentFull timeTemporary workLocal areaRelocation package$130.71k - $182.99k
...low-cost space vehicles and systems within a culture of safety,... ...-profile costs. Systems Engineer III (RF/Microwave Systems) Blue... ...active TS//SCI security clearance is required prior to start Responsibilities... ...less likely to apply to jobs unless they meet every...Permanent employmentFull timeTemporary workLocal areaRelocation package- ...RTX is seeking a System Safety Engineer for an on-site role in Aurora, CO. You will develop and execute... ...to obtain safety approvals. The role requires a STEM degree and at least five years... ...must be eligible for a DoD security clearance and be U.S. citizens. #J-18808-Ljbffr...
$119.06k - $163.71k
...Sierra Space is seeking a Systems Engineer III to contribute to the development and implementation of advanced systems solutions. This role... ...5+ years of experience, and an active Secret U.S. Security Clearance. Strong knowledge of systems engineering principles is essential...- ...RTX in Aurora, CO is seeking a Principal Systems Engineer to support a premier DoD program. You will develop requirements, elaboration, and system architecture, while guiding... ...and program milestones. A TS/SCI clearance and DoD experience are required. #J-18808-Ljbffr...
$110.3k - $204.9k
...Start: Top SecretFinal Clearance: TS/SCIPay... ...SpaceBusiness Unit: SpaceStandard Job DescriptionLockheed... ...Space is seeking an RF Engineer Sr to join our team in... ....- Perform and design system integration testing to... ...captures.- Engage in system requirements flow-down to...Full timeTemporary workWork experience placementCasual workFlexible hours$110.3k - $204.9k
...to Start: SecretFinal Clearance: Top SecretPay Transparency... ...Unit: SpaceStandard Job DescriptionCome join... ...seeking a Senior RF Engineer to join our team in Littleton... ...feedback/input on RF systems and hardware designs•... ...and performance requirements. Identifies and tracks...Full timeTemporary workWork experience placementCasual workFlexible hours$69.1k - $141.5k
Job Title: Systems Engineer - MBSEJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type... ...mission systems• IAT Level II or III certification (e.g., CompTIA Security+,...Contract workWork experience placementFlexible hours$90k - $165k
...Position: Harness Engineer II-III Location: Centennial, CO or Long Beach... ..., or similarly complex systems ~ Experience with SolidWorks... ...some technical guidance and requirements oversight ~ Ability to obtain and maintain a TS/SCI clearance Nice to Have Skills...Hourly payContract work- ...Systems EngineerYork Space Systems was founded to radically improve... ...looking for bold, driven engineers who thrive in fast-paced environments... ...activities including requirements development, verification... ...time in a SCIF.Active TS/SCI clearance required.Willingness to work...Full timeWork at officeLocal areaWorldwide
- ...Position would require the candidate to be a W2 employee of Donatech. US Citizenship Required. Active Secret Clearance Required. Qualifications A minimum of 3 years of hands‑on Linux... ...maintenance, upgrade, retirement) Experience in system administration and technical support (e...
$146.34k - $200k
...Systems EngineerAt Two Six Technologies, we build, deploy, and implement... ...is seeking a Systems Engineer for our Herndon, VA, or Centennial... .... This position will require systems engineering expertise... ...services, troubleshooting)Security Clearance:Active TS required. TS/SCI w....Contract workLocal area$140k - $180k
...ARS is seeking Systems Engineers to support a newly awarded 7-year effort that delivers cutting... ...training materials, system modeling, requirements definition and user outreach to ensure... ...be a US citizen Active Top Secret clearance is required to start with the ability...For contractorsFor subcontractor$81.7k - $136.16k
...Systems Engineer 2At ULA, success comes through the efforts of a strong,... ...team is excited to meet you!Job Overview & ResponsibilitiesThe... ...activities including requirements development and verification... ...bargaining agreement.Security Clearance / International Traffic In Arms...Hourly payPermanent employmentWork at officeFlexible hours$99.6k - $166.01k
...Systems Engineer 3Date: Sep 14, 2026Location: Centennial, CO, US, 80112Company... ...may be available Travel Requirements: 10%At ULA, success comes... ...team is excited to meet you!Job Overview & ResponsibilitiesJob... ...qualified candidates. Security Clearance / International Traffic In...Hourly payPermanent employmentRelocationFlexible hours$131.3k - $237.35k
...Description Job Description: Lead the Technical Vision... ...is seeking an experienced Systems Engineer Subject Matter Expert (SME)... ...provide support services required for the system. This includes... ...Louis, MO Tucson, AZ Clearance Level Required: Active...Contract workFor contractorsLocal areaImmediate start
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