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To do that, MANTECH assists our customer to conduct the detailed systems engineering analysis, establishes technical policies and guidance across the Command, and manage the technical investigation and distributed planning required to deliver world class Marine Air Ground Task Force (MAGTF) systems capabilities to the warfighter. MANTECH is responsible for assisting our government customer and ensuring that material solutions developed or acquired by Marine Corps Systems Command (MCSC) are system engineered, integrated, interoperable, and certified to provide the warfighter with equipment required to accomplish their mission.

YEAR

Our Mission
Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day.

Our Vision
Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech.

Our Values
Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to:

• TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always.

• INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers.

• QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.

ManTech International Corp

Model-Based Systems Engineer

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In addition, PNC generally provides the following paid time off, depending on your eligibility: maternity and/or parental leave; up to 11 paid holidays each year; 9 occasional absence days each year, unless otherwise required by law; between 15 to 25 vacation days each year, depending on career level; and years of service. PNC Employees take pride in our reputation and to continue building upon that we expect our employees to be: Customer Focused - Knowledgeable of the values and practices that align customer needs and satisfaction as primary considerations in all business decisions and able to leverage that information in creating customized customer solutions.

The PNC Financial Services Group Inc

Quantitative Analytics & Model Development Analyst Sr

Peraton was recently awarded a highly strategic mission: to design and implement a consolidated, integrated MBSE architecture across all major Intel Centers in support of Ballistic Missile Defense (BMD). Develop high-fidelity Systems Modeling Language (SysML) architecture models focused on foreign missile systems and Command & Control (C2) systems.

Peraton Inc

Model Based System Engineer (MBSE) Junior

FULL_TIME

Peraton drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Every day, our employees do the can’t be done, solving the most daunting challenges facing our customers.

Peraton

Model-Based System Engineer (MBSE) - Junior

[AW]-iCims

With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies - collaborating with industry and academia to deliver integrated, high-impact solutions that advance our nation's health, security, and prosperity. MITRE's Advanced Wireless & SATCOM Department delivers communications engineering, wireless networking, SATCOM, and technical analysis expertise for national security missions.

Mitre Corp

Wireless Communications Modeling & Simulation Intern

The role bridges technical teams and program leadership, ensuring digital engineering, test bed integration, and M&S governance align with Test & Evaluation (T&E) objectives. 3+ years supporting DoD Modeling & Simulation, systems engineering, or programmatic efforts.

WILLCOR

Modeling & Simulation Systems Engineer -- T&E Support

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Note: An active Top Secret/SCI clearance with Poly is required to be considered for this role, Interested candidates need to thrive in an innovative, fast-paced environment; are highly motivated and not afraid to take on uncharted territory; possess strong communication, leadership, and organizational skills; and be able to prioritize their time to be effective in a dynamic environment. LV8D Solutions is an elite Systems Engineering and Technical Advisory (SETA) company that delivers advanced systems engineering, integration, acquisition, mission operations, network communications, and cybersecurity support to our defense and intelligence customers.

LV8D Solutions LLC

Modeling and Simulations Engineer

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This postion serves as a engineering professional responsible for developing, implementing, and optimizing advanced analytic modeling, automation, and data processing solutions to accelerate the extraction of actionable insights from GEOINT and related intelligence data sources. This position combines expertise in data analytics, systems engineering, automation technologies, and intelligence workflows to enhance mission effectiveness, improve collection strategies, and reduce the time required to deliver meaningful intelligence to end users.

Systems Planning and Analysis, Inc. (SPA) provides top-level decision makers with timely and objective assessments that integrate the technical, operational, programmatic, policy, and business aspects of national security issues. SPA is headquartered in Alexandria, with offices throughout Metro DC, and San Diego, CA. SPA has been recognized with awards including Government Contractor of the Year by the Greater Washington Government Contractor Awards, as a Best Places to Work by the Washington and San Diego Business Journals for several years, a Top Workplace by the Washington Post, and as one of DC's Healthiest Employers.

Systems Planning And Analysis, Inc.

Automation & Analytic Modeling Engineer

Join our Model-Based Systems Engineering (MBSE) System Modeling Team and become a member of a diverse, enthusiastic, and highly productive team, where each employee has the opportunity to grow their skills and work on challenging projects applying SysML / Cameo to the US/UK TRIDENT Submarine Strategic Weapon System and US Attack Weapon System programs. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.

BAE Systems Plc

System Modeling Engineer Intern, Summer 2027

Leads developing and deploying NFCU Lending CECL and credit risk predictive models, post-model adjustment, advanced analytics, and advanced statistical techniques, solutions and actionable insights that deliver business impacts. Manage, lead, and mentor teams of data scientists and analysts in developing advanced statistical models, algorithms, and data mining techniques translating business problems into advanced modeling approaches in support business initiatives.

Navy Federal Credit Union

Director, Credit Risk (CECL Modeling)

Develop models of the end-to-end phenomenology chain, including generating complex EO/IR target signatures (BRDF, thermal), modeling atmospheric radiative transfer using tools like MODTRAN, and integrating realistic cloud clutter and terrain backgrounds. Assess the resilience of specificized ISR architecture; model the space environment's impact on payload performance, including radiation effects on focal plane arrays, and analyze the vulnerability of established PNT (Positioning, Navigation, and Timing) systems to RF interference.

Waypoint Human Capital

Modeling & Simulation Engineer

Familiarity with Cloud and Edge Computing, Networks, Tactical Communications, Data Management, Systems Engineering, Cybersecurity, and C4ISR systems integration. You will help manage cross-functional teams, in particular operating out of the Orlando FL location, coordinate with government and contractor stakeholders, and support the integration, testing, and deployment of advanced capabilities in a dynamic environment.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Model Based Systems Engineer

IRecruitee

Own the design, modernization, and monthly operation of cost allocation and rate models for a federal Working Capital Fund's IT shared-service portfolio — replacing legacy spreadsheet methodologies with transparent, documented, reproducible models that recover full cost, prevent cross-subsidization among 11 customer organizations, and target near-zero retained earnings. · Develop, modernize, and sustain cost allocation models for legacy (commodity) and newly incorporated programmatic IT shared services, with full data lineage from source financial data through cost pools, drivers, and allocation logic to final billing outputs.

BizFirst

Cost Analyst / Cost Modeling Subject Matter Expert (SME) - DOT

SPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Experience with RF propagation and communications modeling tools (e.g., STK/AGI, Wireless InSite, MATLAB Antenna/Phased Array Toolbox, or equivalent) and familiarity with data analytics tools (e.g., Excel, Python, Power BI, R) for processing large datasets from border security operations or test events.

Systems Planning and Analysis

Modeling & Simulation Analyst

The AES Clean Energy (ACE) team is seeking a dynamic and passionate Generator Modeling Engineer to oversee generator models throughout the project lifecycle for ACE's rapidly growing renewable portfolio - modeling generators from interconnection study phases, through construction, and through operations. Principal Duties and Responsibilities: Prepare, review, and submit generator models for new and existing renewable resources for interconnection request packages, as-built model submittals, ISO, and NERC requirements.

AES Corporation

Generator Modeling Engineer

Develop, re-develop, and calibrate statistical models using statistical analytical packages; including but not limited to: Probability of Default (PD), Loss Given Default (LGD), and Exposure at Default (EAD) models for credit decision scorecard, loss forecasting, reserving, and economic capital use cases. The Sr Statistical Modeling Analyst is responsible for the development and management of statistically derived credit risk modeling used by the credit union for loan or deposit originations, account management, collections, loan loss forecasting, capital plans and stress testing.

Boeing Employees' Credit Union

Sr Statistical Modeling Analyst

ADAPTED_NOW

As a systems engineer for the Tactical Control System program, you’ll be a member of an agile cross functional team responsible for developing, deploying, and maintaining advanced submarine systems in support of the United States Navy and the Royal Australian Navy fleets. Experience independently executing Model Based System Engineering (MBSE) activities to identify program requirements and support analysis of system design using Systems Modeling Language (SysML) and MagicDraw.

At General Dynamics Mission Systems, employees share a common mission to be a trusted partner to the U.S. defense, intelligence and homeland security communities. 

Whether you're working on the internal systems of a new ship strategic to the U.S. Navy's role in keeping sea lanes open, developing a camera system for the U.S. Army to protect our forces or helping the Department of Homeland Security coordinate defense against and response to cyber attacks, you'll share a sense of duty and patriotism common to all General Dynamics employees. 

When you join General Dynamics, you'll become part of a culture that nurtures innovation. We encourage our professionals to challenge the conventional way of doing things. And we motivate our employees to solve tough customer problems by promoting and sharing new ideas. 

Join a team that's dedicated to what matters most. Build your career at General Dynamics today. 

General Dynamics Mission Systems is a business unit of General Dynamics. Headquartered in Falls Church, Va., General Dynamics employs approximately 91,000 people worldwide. The company is a market leader in business aviation; land and expeditionary combat systems, armaments and munitions; shipbuilding and marine systems; and information systems and technologies.

General Dynamics Mission Systems, Inc

Mid-Level Model Based Systems Engineer

General Dynamics Mission Systems, Inc.

The Systems Engineer should have experience architecting systems, working across the Systems Engineering Lifecycle, a deep understanding of Systems Engineering principles, reverse engineering techniques, and the ability to work with complex software systems and the utilization of Digital Engineering/MBSE to accomplish program goals. The ideal candidate will be experienced in Systems Engineering processes and techniques, Modeling and Simulation, software-based systems, Digital Engineering/MBSE and be excited about opportunities to grow and be a source of subject matter expertise across the organization.

Lead Model-Based Systems Engineer

The ideal candidate will be well-versed in Systems Engineering techniques, Modeling and Simulation, Digital Engineering/MBSE and be excited about opportunities to mentor more junior staff and help foster growth of subject matter expertise across the organization. In addition to modeling in SysML, the Systems Engineer will be responsible for implementing and guiding teams in the customization and automation techniques offered by Cameo to enable multi-disciplinary programs to comply with DoD Digital Engineering goals.

Principal Model-Based Systems Engineer

GreenHouseAPI

Posting Number WGE_3538P Recruitment Type General Public - G Number of Vacancies 3 Position End Date (if temporary) Job Open Date 10/30/2026 Job Close Date 11/15/2026 Open Until Filled Agency Website www.nvcc.edu Contact Name Email Phone Number Special Instructions to Applicants. To be considered for this opportunity, applicants will need to provide their AHP Letter (formerly called a Certificate of Disability) provided by the Department for Aging & Rehabilitative Services (DARS), or the Department for the Blind & Vision Impaired (DBVI).

Model Jobs in Manassas, VA

Model-Based Systems Engineer ManTech International Corp

Quantitative Analytics & Model Development Analyst Sr The PNC Financial Services Group Inc

Model Based System Engineer (MBSE) Junior Peraton Inc

Model-Based System Engineer (MBSE) - Junior Peraton

Wireless Communications Modeling & Simulation Intern Mitre Corp

Modeling & Simulation Systems Engineer -- T&E Support WILLCOR

Modeling and Simulations Engineer LV8D Solutions LLC

Automation & Analytic Modeling Engineer Systems Planning And Analysis, Inc.

System Modeling Engineer Intern, Summer 2027 BAE Systems Plc

Director, Credit Risk (CECL Modeling) Navy Federal Credit Union

Modeling & Simulation Engineer Waypoint Human Capital

Model Based Systems Engineer Leidos

Cost Analyst / Cost Modeling Subject Matter Expert (SME) - DOT BizFirst

Modeling & Simulation Analyst Systems Planning and Analysis

Generator Modeling Engineer AES Corporation

Sr Statistical Modeling Analyst Boeing Employees' Credit Union

Mid-Level Model Based Systems Engineer General Dynamics Mission Systems, Inc

Lead Model-Based Systems Engineer STR

Principal Model-Based Systems Engineer STR

College Model (MA) VIRGINIA COMMUNITY COLLEGE SYSTEM

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