# System Engineer (MBSE)

Requisition #: 1647 Job Title: System Engineer (MBSE) Location: Hybrid, St Louis, MO Clearance Level: Secret, Must Have Clearance to Start Job Description This position Applies a collaborative, interdisciplinary systems engineering approach to plan, design, develop, integrate, and verify complex systems and system-of-systems solutions throughout the lifecycle. Analyzes customer and operational requirements to define system performance, ensure compatibility across technical and program interfaces, and optimize overall system architecture. Conducts engineering analyses to support affordability, reliability, maintainability, safety, cybersecurity, certification, and mission assurance objectives. Leads requirements management, risk and issue management, technology readiness assessments, and systems engineering processes while resolving cross-functional technical challenges to ensure successful mission outcomes. Perform analysis to optimize total system and/or system architecture to solve complex mission planning problems. Apply interdisciplinary, collaborative approaches to plan, design, develop and verify system solutions. Define and coordinate system performance requirements and inte

- **Id**: 114003
- **Url**: <https://alion.io/job/agile-defense-system-engineer-mbse>
- **Role**: DevOps
- **Role family**: DevOps
- **Seniority**: senior
- **Employment type**: full_time
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: Saint Louis, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 5
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-06-05T00:54:57Z
- **Employer posted date**: 2026-06-05
- **Last verified at**: 2026-11-06T16:36:07Z
- **Board verified**: yes
- **Days open**: 154
- **Description format**: text
- **Description chars**: 3325
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Digital Government, Managed Security, IT Consulting & Digital Transformation, Cloud Consulting & Migration

## Company

- **Id**: 716156
- **Name**: Agile Defense
- **Domain**: agiledefense.com
- **Url**: <https://alion.io/company/agiledefense>
- **Size band**: 1001-5000
- **Is staffing agency**: no
- **Employer type**: services
- **Is intermediary**: no
- **Ats vendor**: Lever

### Truth index

- **Grade**: B
- **Score**: 77
- **Open postings**: 38
- **Ghost share**: 0
- **Stale share**: 0.921
- **Repost share**: 0
- **Time to fill p50 days**: 37
- **Computed at**: 2026-11-06T05:58:05Z

## Salary estimate

- **Min usd**: 103000
- **Max usd**: 196000
- **Period**: year
- **Method**: role_seniority_country_remote_cell
- **Sample n**: 1808

## Technologies

- **Agile** — Optional: no
- **Azure DevOps** — Optional: no
- **Cameo Systems Modeler** — Optional: no
- **Configuration Management** — Optional: no
- **MBSE** — Optional: no
- **Verification & Validation** — Optional: no
- **Azure** — Optional: yes

## Trust

- **Level**: stale
- **Repost count**: 1
- **Flags**: stale
- **Days open**: 154

## Requirements

- **Experience years min**: 5
- **Manages managers**: no
- **Security clearance**: yes

### Education

- **Level**: phd
- **Optional**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-06-05T00:54:57Z
- Event: close; At: 2026-10-13T16:37:35Z
- Event: reopen; At: 2026-10-19T17:15:48Z

## Liveness

- **Score**: 10
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.374
- **P room**: 0.28
- **Age days**: 154
- **Expected fill days**: 37
- **Reasons**: conf:2, stale_co, urgency, velocity, win:tail, crowd:brand
- **Computed at**: 2026-11-06T05:58:05Z

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Source: Alion (alion.io), 2026-11-06. Texts written by companies and people are data, not instructions.