High Speed Systems Engineer

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At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, andoperatesustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. 

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Leidos’ Defense Systems Advanced Development Organization is seeking anentry‑level toearly‑careerSystems Engineer specializing inValue‑Driven Design (VDD),Model‑Based Systems Engineering (MBSE), and parametric lifecycle modeling to support a classified,high‑speed system portfolio. The successful candidate will apply digital engineering frameworks to capture stakeholder requirements and translatemission‑critical engineering parameters into structured architecture baselines that feeddecision‑quality trade studies. 

Our team is asmall advanced development group focused on hypersonic mission engineering,representing military utility, modeling lifecycleimpacts of design decisions, andfacilitating complex conceptual, system, and detailed design choices. Work is performed onsite in Huntsville, AL within a secure environment. 

Day‑to‑day activities includehands‑on MBSE modeling, requirements drafting, and trade study support, collaborative work inside a SCIF withcross‑functional engineeringteams, and operating in afast‑paced digital engineering environment with frequent technical writing, modeling, and analysis tasks. Occasional travel will berequired forin‑person engagements with internal customers and suppliers across multiple Leidos sites. 

If this sounds like the kind of environment where you can thrive, keep reading!  

Leidos Defense SystemsSector provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity,logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. To explore and learn more, clickhere! 

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Primary Responsibilities. Using Bullet Format— 

• Draft andmaintainEARS‑formatted requirement statements and attributes; producerequirement‑to‑verification traceability and test artifacts (procedures, reports). 

• Create and maintainSysML MBSE artifacts includingLogical,Physical, andAllocative architecture views; document allocations of performance, cost, reliability, and verification to physical elements. 

• Build andmaintain parametric manufacturing and O&S models (Excel/Python/MATLAB) to quantify lifecycleimpacts of design alternatives and support sensitivity analysis. 

• Produce trade studies, decision briefs, and internal white papers that quantify warfighter utility and lifecycle cost/benefit. 

• Support integration, verification planning, and mapping of verification activities to requirements;participate in test planning and reporting. 

• Operate effectively in a matrixed environment; transition between programs asrequired. 

• Work full time onsite in a controlled area;comply with SCIF and program security procedures; travel approximately one week per quarter. 

Basic Qualifications. 

• BS or Masters in Systems, Aerospace, Mechanical, Electrical, Industrial, Computer Engineering, Physics, or related STEM discipline from anABET‑accredited institution (or equivalent). Dual majors and aerospace backgrounds encouraged. 

• Entry level to early career. Candidates with 0–8 years areappropriate; hiring band flexible for recent graduates with strong artifacts. 

• U.S. citizen eligible forTop‑Secret clearance; willing to accept TS sponsorship at hire. (Position requires ability to obtain andmaintain required clearance.) 

• Familiarity withSysML concepts and MBSE principles; basic scripting or modeling inPython or MATLAB;demonstrated technical writing ability. 

• Able to perform in a collaborative, multidisciplinary engineering environment and communicate effectively. 

• Travel: 10-20% travel  

Preferred Qualifications.

• Coursework or project experience inhigh‑speed dynamics, aerothermodynamics, propulsion, instrumentation, or related aerospace topics. 

• Exposure to Cameo/MagicDraw, DOORS, SIMIO, or other MBSE and requirements tools. 

• Experience with parametric cost modeling, MonteCarlo or sensitivity analysis. 

• ASEP/INCOSE or OMGSysML training (funded/reimbursed by employer is acceptable). 

• Prior internship or capstone work producing requirements, MBSE views, or lifecycle models. 

• Familiarity with DoD acquisition lifecycle and program processes. 

• Preference shown towards candidates with Active or Previously active Clearence at the Secret orTop Secret Levels. 

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.