*SECRET CLEARANCE* Specialist, Systems Engineering L3
Apollo Professional Solutions, Inc.
Systems Engineering Specialist– Onsite Location: Client Site (Onsite, 9/80 Schedule) Employment Type: Contract (with potential for conversion to direct hire) Security Clearance: Active Secret clearance required at start Citizenship: U.S. Citizens only (no dual citizenship) About the Role We are seeking a Systems Engineering Specialist to support advanced aerospace and defense programs in a highly technical, onsite environment. This contract role is ideal for professionals with a strong foundation in systems engineering and Model-Based Systems Engineering (MBSE) who excel at requirements development, risk coordination, and cross-functional collaboration. You will contribute directly to the development of rocket propulsion systems, working under general supervision while managing complex engineering tasks with precision and accountability. Key Responsibilities Requirements Development (60%) Develop system, subsystem, and component requirements for rocket propulsion product development Derive, allocate, and document requirements in requirements databases and formal specifications Coordinate requirements and specification change management with Integrated Product Team (IPT) members Define and align requirements verification plans with IPT stakeholders Plan and manage compliance assessment and certification activities Execute all requirements activities using model-based systems engineering (MBSE) tools Functional Analysis (15%) Perform functional analysis and support system trade studies Coordinate benefit/cost trade evaluations to select optimized concept baselines Support the definition of system architecture and performance objectives Risk and Opportunity Coordination (15%) Coordinate project risk and opportunity identification, assessment, and management Prepare, track, and report mitigation plans and outcomes May provide technical direction to a small team of engineers and/or technicians Estimate staffing needs, schedule tasks, and assign work to meet program milestones Communication and Stakeholder Engagement (10%) Communicate technical results through clear written documentation and oral presentations Represent the organization in meetings and teleconferences to resolve technical issues Collaborate with cross-functional teams to plan, coordinate, and execute engineering work Required Qualifications Bachelor’s degree in Systems Engineering or a related engineering discipline (Mechanical or Aerospace) 4+ years of relevant industry experience in systems engineering Experience across systems engineering disciplines, including: Requirements management Risk management Product development lifecycle Hands-on experience with requirements tools such as IBM DOORS Working knowledge of Model-Based Systems Engineering (MBSE) methodologies Ability to work onsite in a secure, classified environment Preferred Qualifications Advanced degree in a relevant engineering or science discipline Knowledge of liquid rocket propulsion systems Why This Opportunity? Work onsite on complex, mission?critical aerospace and defense programs Apply MBSE and systems engineering best practices to real-world propulsion systems Collaborate with experienced engineering teams in a structured, high?impact environment Opportunity for contract-to-direct hire conversion based on performance and business needs Enjoy a 9/80 work schedule , supporting work-life balance while maintaining onsite collaboration This role is well-suited for a detail-oriented systems engineer who thrives in technically rigorous programs and is eager to contribute to the development and certification of advanced propulsion systems. #J-18808-Ljbffr
$106.5k - $197.5k
...national security. Job Title: Sr. Specialist, Systems Engineering Job Code: 37981 Job Location:... ...Requires up to 10% travel time. Clearance: Ability to obtain a US LEVEL security... ...Engineering methodologies. US LEVEL Secret Security Clearance. Work...Secret clearanceWork at officeLocal areaFlexible hours$121.02k - $169.43k
...low-cost space vehicles and systems within a culture of safety, collaboration... ...of a hardworking team of engineers, you will apply your broad... ...up to 10% of the time Top Secret clearance desired Experience and... ...processes, link their development to L3 and L4 requirements and...Secret clearancePermanent employmentTemporary workLocal area$120k - $170k
...Space Systems Integration (SSI) is a fast‑growing engineering company that provides aerospace solutions to a variety of government and commercial customers... ...may be used in lieu of degree. Active Top Secret clearance with the ability to obtain a TS/SCI and be willing...Secret clearanceFor contractorsWork at officeLocal area$97k - $121k
...CA is looking for a Configuration Management Specialist to support the US Space Force’s satellite communications systems. You will develop and manage Configuration... ...years of relevant experience and hold an active Secret clearance. The position offers a salary range of $97,0...Secret clearance$130k - $180k
...relevant experience. Security Clearance Requirement: Must be able to... ...and maintain Active DoD Top Secret Clearance and have SCI... ...solving complex operational and engineering challenges. We are seeking a... ...motivated, collaborative Senior Systems Engineer to support the MILSATCOM...Secret clearanceFull timeTemporary workFor contractorsLocal areaRemote workFlexible hours- ...Seeking a Systems Engineer with experience to perform on programs within the Department of Defense (DoD). Responsibilities • Participate... ...for technical or programmatic leadership • Top Secret Clearance, SCI Eligible • 5+ Years Relevant Experience Highly Desired...Secret clearanceFor contractors
- ...handling and destruction of munitions, requiring strong problem-solving and organizational skills. Candidates must have an active secret clearance, a high school diploma, relevant experience, and be proficient with various tools and safety regulations. Physical...Secret clearance
$86.8k - $198k
...Phase2 Technology is seeking a Ground Systems Engineer in El Segundo, California, with extensive experience in DoD weapon systems acquisitions... ...should possess a Bachelor's degree in a STEM field and a Secret clearance. The compensation range for this position is $86,800 to $19...Secret clearance- Seneca Holdings is looking for an experienced Space Systems Engineer to join their team in Los Angeles, CA. This hybrid role involves supporting... ...and a deep understanding of orbital mechanics. A Top Secret clearance with SCI eligibility is required. #J-18808-Ljbffr Seneca...Secret clearance
$150k - $200k
...Senior Systems Engineer JHNA, CTSi, and EXPANSIA have come together to form a Defense Technology platform named Aether Aerospace... ...Risk & Opportunities management KEY QUALIFICATIONS Clearance: Active Secret Clearance Education and Years of Experience: Bachelor's...Secret clearanceContract workWork experience placement- KBR, Inc. is seeking a Systems Engineer for their Digital Engineering team in El Segundo, California. This role plays a crucial part in... ...methodologies and tools is essential, along with an active SECRET clearance. KBR offers competitive benefits including bonuses, career...Secret clearance
- ...Senior Systems Engineer El Segundo/Los Angeles, CA - (Hybrid) Description: Apply to join the Positioning, Navigation, and... ...systems engineering related or equivalent experience Active Secret Clearance Experience working across space, ground, and user...Secret clearance
$86.8k - $198k
...A consulting engineering firm is seeking a Systems Engineer with expertise in Model-Based Systems Engineering (MBSE) to integrate complex tools... ...government systems. A Bachelor's degree in STEM and a Secret clearance are mandatory. The position offers a competitive salary...Secret clearance$135k - $160k
...Title: Program Test Systems Engineer Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering... ...Standard Qualifications: Required: Ability to obtain a DoD Secret clearance. BS degree in one of the following technical disciplines:...Secret clearanceContract workTemporary workFor contractorsFor subcontractorWork at officeLocal areaFlexible hours$130k
...: 6+ years of relevant experience Security Clearance Requirement: Must be able to obtain and maintain Active DoD Top Secret Clearance and have SCI eligibility Where you... ...a highly motivated, team-oriented Senior Systems Engineer . This exciting position will have the chance...Secret clearanceFull timeFor contractorsWork at officeRemote workWork from homeFlexible hours$170k - $220k
A leading technology solutions provider is seeking a Sr Systems Engineer to provide expert technical support in space control systems.... ...degree or equivalent experience and possess an active TOP SECRET clearance with SCI eligibility. The position involves supporting critical...Secret clearance$150k - $180k
...CONUS travel required; up to 25% travel may be required. Clearance: Active Top Secret clearance with SCI eligibility required. Citizenship: U... ...Great Hill Solutions is seeking an experienced Space Systems Engineer to support advanced test and evaluation initiatives for...Secret clearanceFull timeFlexible hours$91.8k - $137.6k
...assistance may be available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time... ...opportunities to work on revolutionary systems that impact people's lives... ...for global security. Our Engineering and Sciences (E&S) organization...Secret clearanceFull timeContract workRelocation packageShift work$192.8k - $289.2k
...assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time... ...opportunities to work on revolutionary systems that impact people's lives... ...seeking a Sr Staff Missile Systems Engineer IPTL to support our Stand-in...Secret clearanceFull timeRelocation packageShift work$98k - $122k
...ENSCO has been providing leading-edge engineering, science and advanced technology... ...technologies for mission success. We provide systems engineering, integration, and... ...ABILITY TO OBTAIN AND MAINTAIN A DOD SECRET SECURITY CLEARANCE FOR WHICH, YOU MUST BE A U.S. CITIZEN...Secret clearanceFull timeContract workFor contractorsWork at officeWorldwide$90k - $130k
...Title: Systems Engineer - Digital Engineering Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides... ...proficiency in MBSE methodologies and tools (SysML, UML). ~ Active SECRET clearance Desired Skills: Masters Degree in Systems...Secret clearanceContract workTemporary workFor contractorsLocal areaImmediate startRelocation packageFlexible hours$95.5k - $181.7k
...transferable U.S. government issued security clearance is required prior to start date. U.S... ... Security Clearance Type: Secret - Current Security Clearance Status:... ...Products organization is hiring an Senior Systems Engineer to join our Maritime PNT organization...Secret clearanceTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours$150k - $180k
Great Hill Solutions is looking for an experienced Space Systems Engineer for a hybrid role in Los Angeles, CA. You will support advanced... ...$150,000 to $180,000 USD. Candidates with an active Top Secret clearance and U.S. Citizenship are preferred. #J-18808-Ljbffr Energy...Secret clearance- Kavaliro in Los Angeles is seeking a support engineer for NASA/DOD Engine Systems. The role requires strong coordination skills for maintenance and... ...Systems Engineering. The ideal candidate must possess Secret Clearance, a collaborative mindset, and over 5 years of...Secret clearance
$99k - $225k
...Certification Systems Engineer, Lead The Opportunity: Work with Booz Allen colleagues and government clients, from various DoD and... ...an engineering team, senior leaders, and clients ~ Secret clearance ~ Bachelor's degree Nice If You Have: Experience...Secret clearanceFull timeContract workPart timeWork at officeLocal areaRemote work$99k - $225k
...Job Number: R0240616 Certification Systems Engineer, Lead The Opportunity: Work with Booz Allen colleagues and government clients... ...an engineering team, senior leaders, and clients ~ Secret clearance ~ Bachelor's degree Nice If You Have: Experience...Secret clearanceFull timeContract workPart timeWork at officeLocal areaRemote work- ...Arenatechnologies is seeking a Senior Military Personnel Support Specialist in El Segundo, California. The successful candidate will... ...qualifications include a bachelor's degree, a DoD Top Secret security clearance, and at least 10 years of experience in military personnel...Secret clearance
$95k - $120k
...Overview The Senior-Level MT Systems Engineering Specialist performs a variety of expert technical management and systems engineering duties... ...with Major Defense Acquisition Programs. Active DoD Secret Clearance (required). US citizenship (required). Salary...Secret clearanceContract workFor contractors$121k - $251k
A leading defense contractor is looking for Space Systems Engineers to enhance the nation's security through innovative systems. Candidates... ...Bachelor’s degree in a relevant science field, active Top Secret clearance, and significant experience in systems engineering....Secret clearanceFor contractors$80.5k - $149.5k
...to ensure operational security for classified information systems at our Canoga Park location. Candidates must have a Bachelor... ...related changes, and ensuring all personnel have the appropriate clearances. A U.S. Secret Security Clearance is required. We offer a competitive...Secret clearance
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