Requirements Systems Engineer

Modern Technology Solutions, Inc. (MTSI); El Segundo (CA); On-site; USD 165,000 - 205,000; Full time

Benefits offered by this job

Medical benefits

Financial benefits

Job summary

Modern Technology Solutions, Inc. (MTSI) is seeking a Requirements Systems Engineer to support MBSE development and SE&I activities for the U.S. Space Force programs in California.

You will contribute to system and subsystem requirements development, verification, and traceability, ensuring technical baselines are maintained and integrated across space, ground, and operational stakeholders. The role requires a Top Secret clearance with SCI/SAP access, strong analytical and communication skills,

Qualifications

• Bachelor’s degree in engineering, physics, mathematics, computer science, or another STEM field.
• 3–5 years of experience in systems engineering or requirements management.
• Experience with requirements specification, analysis, and verification.
• Familiarity with requirements traceability tools such as DOORS.
• Strong analytical, problem‑solving, and organizational skills.
• Excellent communication skills (written and verbal).
• Proficiency with Microsoft Office (Word, Excel, PowerPoint).
• Clearance: Active Top Secret Clearance and ability to acquire SCI / SAP Access.

Responsibilities

• Support MBSE activities to develop, refine, and maintain system and subsystem technical baselines.
• Develop, analyze, refine, and manage system and subsystem requirements, ensuring clarity, traceability, and verifiability.
• Participate in requirements verification, including review of TRDs, ICDs, and other technical artifacts.
• Work with government and contractor teams to identify and close requirement gaps using tools such as DOORS.
• Lead or support technical working groups, including preparing materials, authoring meeting minutes, tracking action items, and facilitating collaborative problem solving.
• Assess impacts to system technical baselines and identify integration considerations across space, ground, and operational stakeholders.
• Review and capture comments on program documentation and collaborate with contractors on adjudication and technical updates.
• Provide technical inputs and support development of briefings for USSF program leadership.
• Support risk, issue, and dependency management, including identifying disconnects and recommending solutions.

Skills

Analytical thinking

Problem-solving

Communication

Education

Bachelor's degree in engineering/physics/mathematics/computer science

Master's degree (preferred)

Tools

DOORS

Jira

Confluence

MS Office

Job description

Overview

Modern Technology Solutions, Inc. (MTSI) is seeking a highly qualified Requirements Systems Engineer to support next‑generation programs for the U.S. Space Force (USSF). In this role, you will contribute to Systems Engineering & Integration (SE&I) activities, Model‑Based Systems Engineering (MBSE) development, technical baseline integrity, and requirements analysis.

Responsibilities

• Support MBSE activities to develop, refine, and maintain system and subsystem technical baselines.
• Develop, analyze, refine, and manage system and subsystem requirements, ensuring clarity, traceability, and verifiability.
• Participate in requirements verification, including review of Technical Requirements Documents (TRDs), Interface Control Documents (ICDs), and other technical artifacts.
• Work with government and contractor teams to identify and close requirement gaps using tools such as DOORS.
• Lead or support technical working groups, including preparing materials, authoring meeting minutes, tracking action items, and facilitating collaborative problem solving.
• Assess impacts to system technical baselines and identify integration considerations across space, ground, and operational stakeholders.
• Review and capture comments on program documentation and collaborate with contractors on adjudication and technical updates.
• Provide technical inputs and support development of briefings for USSF program leadership.
• Support risk, issue, and dependency management, including identifying disconnects and recommending solutions.

Required Qualifications

• Bachelor’s degree in engineering, physics, mathematics, computer science, or another STEM field.
• 3–5 years of experience in systems engineering or requirements management.
• Experience with requirements specification, analysis, and verification.
• Familiarity with requirements traceability tools such as DOORS.
• Strong analytical, problem‑solving, and organizational skills.
• Excellent communication skills (written and verbal).
• Proficiency with Microsoft Office (Word, Excel, PowerPoint).
• Clearance: Active Top Secret Clearance and ability to acquire SCI / SAP Access

Preferred Qualifications

• Master’s degree in engineering, physics, mathematics, or computer science.
• INCOSE ASEP/CSEP/ESEP certification.
• MBSE certification (OCSMP).
• Experience with Agile development tools or methodologies.
• Experience with Jira and Confluence.
• Experience with MILSATCOM systems such as AEHF, EPS, WGS, Tactical SATCOM, or COMSATCOM.
• Background working with DoD or military customers.
• Familiarity with space and ground communication systems, including terminals, satellite payloads, or DoD networks.

The pay range for this position in California is $165,000/year to $205,000/year; however, base pay offered may vary depending on established government contract wages, job‑related knowledge, skills, and experience, and other factors. MTSI also offers a full range of medical, financial, and other benefits, dependent on the position offered.