Senior Systems Engineer
MOBIUS
Mobius is an award winning, Small Business Administration (SBA) certified Historically Underutilized Business Zone (HUBZone) company and certified Woman-Owned Small Business (WOSB) providing engineering, analytical, and programmatic expertise to the Federal Government and commercial customers. Our mission is to provide innovative advanced technology solutions to customers facing issues of national and global significance. We strive to be admired for excellent people, fair and honest partnership, innovative problem solving, and exceptional performance. Come join our team! Mobius is seeking a Missile Defense System Senior Systems Engineer. In this role you will support the Missile Defense Agency’s Architecture Concept Evaluation (MDA/CAC) office working to develop future Missile Defense architectures addressing ballistic and hypersonic missile threats to protect the homeland, regional Warfighters, and allies. As contract support, you will be supporting the development of missile defense concepts, analysis plans and tools, interpretation of analytical data, and interfacing with other government agencies to identify missile defense capability in their systems. These actions help MDA decision makers assess architecture alternatives and make investment decisions. This full-time salaried position is located on Fort Belvoir, VA. Duties of a Senior Systems Engineer may include: Work internally with MDA’s Chief Architect and other MDA offices, and interface and collaborate with other government agencies Work and collaborate in cross-functional teams with the technical customers, senior technical staff, and senior leaders Develop concepts, analysis plans, and top-level requirements for Missile Defense System (MDS) architecture alternatives. Source new technical concepts from industry, academia, national labs, and other organizations to interpret their application to the missile defense mission. Produce and present technical and executive-level briefings, whitepapers, and reports to communicate concepts and value assessments to stakeholders. Review technical concept documents for consistency with approved baselines and system architectures, and contribute to the development of program plans and strategies. Qualifications Minimum of 12 years working on missile defense-related or other complex, large DoD/DoW or IC programs/projects Knowledge of Missile Defense Systems (MDS) components, architectures, and concepts, with demonstrated understanding through analysis activities; MDS modeling and simulation experience is preferred Proficient with Microsoft Office applications (i.e., Word, Excel, & PowerPoint) Familiarity and experience with MDA and/or other complex MDS Elements Experience with Analysis of Alternatives (AoA) processes or related activities where cost, performance, and/or risk trade-offs were made to support engineering decisions Able to work independently on some tasks and lead teams to analyze and resolve problems on other tasks Able to plan and execute projects involving prime contractors, other MDA offices, and FFRDC/UARC partners Able to support the evaluation of future architecture elements and technology enablers that support ballistic, hypersonic and cruise missile defense Ability to decompose complex problems into actionable elements Ability to coordinate efforts in a timely manner across multiple organizations Ability to present complex information and concepts to leaders at various levels Ability to rapidly build, modify, or adapt M&S tools to answer novel questions, such as those relating to: Guidance, Navigation, and Control (GNC) and interceptor modeling Object tracking algorithm implementation or modeling RF and EO/IR phenomenology, sensor design and performance modeling (e.g. Optical sensor link budget modeling) Education Master’s degree in a STEM-related field Clearance Active Top Secret clearance with current SCI eligibility Mobius Benefits: Mobius offers a stable work environment, a competitive salary, and a comprehensive benefits package, which includes medical, dental and vision plans, 401k Plan, Flexible Work Schedules, Tuition Reimbursement, Paid Leave and much more. Mobius is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity Employer/Affirmative Action Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. #J-18808-Ljbffr
$120k - $160k
...professional possesses solid foundational engineering or technical intelligence experience but operates under the guidance of a senior SME to draft documents and execute coordination... ...to networks or tactical processing systems.Familiarity with the JCIDS process and the...SeniorLocal areaImmediate start- ...Senior Systems Engineer – Web Applications (SME / Tier 4 Escalation)Location: Hybrid – Fort Belvoir, VA Clearance Requirements: Must be eligible to obtain Interim Security Clearance (U.S. Citizenship required) Position Status: Contract Pay Rate: $70-$80/hr on W2About the...SeniorPermanent employmentContract workInterim role
$140k - $180k
...Fort Belvoir, VA, US Date Posted 2026-10-19 Category Engineering and Sciences Subcategory Systems Engineer Schedule Full-Time Shift Day Job Travel Yes -... ...limitations) into plain-language mission impacts for senior military leaders. Capacity to independently identify capability...SeniorFull timeLocal areaImmediate startRemote workShift work$140k - $180k
...Belvoir, VA, US Date Posted: 2026-10-08 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job... ...and systems. Work closely with customers, senior leadership within programs, and other systems engineers...SeniorFull timeCurrently hiringRemote workShift work$120k - $160k
Job ID: 2618086 Location: Fort Belvoir, VA, US Date Posted: 2026-10-19 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance...SeniorFull timeWork at officeImmediate startRemote workShift work$113.2k - $237.8k
Job Title: Senior Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 25% Type of Travel: Continental US * * * The Opportunity: CACI...SeniorFull timeContract workFor contractorsWork experience placementFlexible hours$140k - $180k
...Belvoir, VA, US Date Posted: 2026-10-19 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job... ...limitations in clear, mission-focused terms for senior military decision-makers. Clearance: ~ Candidate...SeniorFull timeWork at officeImmediate startRemote workShift work- Systems Planning and Analysis, Inc. (SPA) seeks an experienced systems engineer to support Navy programs with a focus on radar and combat systems integration. The role requires leading SE processes across the program and delivering technical studies and documentation. You...Senior
$131.6k
...Req ID: 43004 Summary Senior Missile Defense System Architecture Engineer Ft. Belvoir, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded...SeniorContract work$176.8k - $276.25k
Noblis in Fort Belvoir, VA is seeking a Senior Systems Engineer to support a government contracting program. The role involves expertise in Modeling and Simulation, vulnerability analysis, and systems engineering process management. The ideal candidate will have at least...Senior- ...Job Description Telesis is looking for an amazingly talented Senior Systems Engineer to join our team! In this role you will get to lead or participate in analysis of future Missile Defense System (MDS) architectures and concepts, and modeling and simulation (M&S) tool...Senior
- Trideum Corporation seeks a Senior Model-Based System Engineer to support Modeling & Simulation and systems engineering for the C5ISR RTI at Fort Belvoir, VA. This full-time role entails documenting architectures, deriving system requirements, and ensuring interfaces across...SeniorFull timeRemote work
$130 - $150 per hour
Suvi, an Akima Company, is looking for a Network Systems Engineer to support a mission-oriented, Law Enforcement organization in National Capital Region. This individual will serve as a part of a team delivering scientific and engineering capabilities to organizations...SeniorHourly payFull timeContract workPart timeFor contractorsRemote work- QinetiQ US is seeking a Senior Systems Engineer to lead Test and Evaluation activities for the U.S. Army Javelin Seeker effort. You will provide programmatic and technical oversight of contractor testing across the acquisition life cycle to ensure readiness and alignment...SeniorFor contractors
- A leading IT services company in Fort Belvoir is looking for a Sr. ArcGIS Administrator. The ideal candidate will support and maintain Esri's ArcGIS infrastructure, ensuring optimal performance and troubleshooting complex GIS issues. Candidates should have strong skills...Senior
- ...STEM Solutions, Inc. is hiring staff to support our client’s system software development and sustainment efforts. The selected candidates... ...Education & Experience: Bachelor’s Degree in Systems Engineering, Software Engineering, or Computer Science. Ten (10) years’...SeniorContract work
- Mobius seeks a Missile Defense System Senior Systems Engineer to join the MDA/CAC office at Fort Belvoir, VA. You will help develop future missile defense architectures, analyze concepts and plans, and interface with government agencies to inform investment decisions....SeniorWork at officeFlexible hours
- Global Enterprise Services, Llc is seeking a Network & Systems Engineer to provide advanced engineering, strategic systems analysis, and operational... ..., lead 24x7 NOSC operations, and present AARs and briefs to senior leadership. Active Top Secret/SCI clearance is required. #J-...SeniorContract work
$97.5k - $162.5k
MAG Aerospace is seeking a Systems Engineer in Fort Belvoir, Virginia, to lead engineering efforts supporting PEO Soldier. The candidate will manage systems engineering activities, provide technical support, and translate military requirements into system performance specifications...Senior$135k - $145k
GovSG is looking for a proven Senior Systems Engineer to join our team! In this role you will get to lead or participate in analysis of future Missile Defense System (MDS) architectures and concepts, and modeling and simulation (M&S) tool development to support architecture...SeniorWork experience placementLocal area- ...OverallAssignmentDescription: Expert-level Systems Engineers assist in leading engineering teams in taking a multi-discipline approach to requirements engineering, solutions engineering, scheduling, reliability, resiliency, services development, integration, test and...SeniorRemote work
- ...advanced development and rapid prototyping to enhance, inform, and modernize Army capabilities.Lead the contract engineering team to develop and execute Systems Engineering processes within TENCAP including: prepare decision justification materials; prepare design studies...SeniorContract workWork at office
$125k - $165k
...take care of our customers and communities where we live, work, and play. Trideum Corporation has an opening for a Senior Model-Based System Engineer supporting the C5ISR RTI at Ft. Belvoir, VA. This is a full-time position, located at Ft. Belvoir, VA. Occasional telework...SeniorFull timeWork at officeRemote work- ...Senior Systems Engineer Specializing In Sensor IntegrationWe are seeking a highly motivated and experienced Senior Systems Engineer specializing in Sensor Integration to join our dynamic team. This role is ideal for professionals with a strong background in systems engineering...Senior
- ...Job DescriptionJob Description Subject: System Engineer Job DescriptionJob Responsibilities• Responsible for leading group of engineers on a technical activity and completion of activity on time and budget • Design, develop, analyze, document and support testing of products...SeniorWorldwide
- ...Core4ce is seeking a senior Systems Engineer to lead technical planning, system integration, and end-to-end analysis across the full system lifecycle, ensuring requirements are translated into effective, scalable solutions. This role requires extensive experience in systems...SeniorImmediate startFlexible hours
- ...Senior Systems EngineerRaytheon is seeking a Senior Systems Engineer to work as part of a team that supports satellite communication (SATCOM) activities, in addition to enterprise-wide systems engineering support.This position is a part of an integral 24/7 Operations...SeniorContract workWork at officeRelocation packageNight shiftRotating shiftDay shift
$135k - $185k
...Overview VTG is looking for a Senior Systems Engineer in Springfield, VA. What will you do? Systems Engineers employ a multi-discipline approach to requirements engineering, solutions engineering, scheduling, reliability, resiliency, services development, integration,...SeniorWork experience placementRemote work$120k - $145k
GovCIO is seeking a Senior Systems Engineer to support mission-critical IT programs for the U.S. Coast Guard (USCG). This position will serve as a key technical resource, working directly with the NSGS team to assist with daily operations and infrastructure management...SeniorRemote work$145k - $155k
...Senior Systems EngineerSpringfield, VAACTIVE TS/SCI SECURITY CLEARANCE REQUIREDThink strategically. Deliver technically. Shape the architecture.At D2 Tech Services, Senior Systems Engineers aren't order-takers — they're the people who look at a complex, multi-site enterprise...SeniorImmediate start
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