Requirements Systems Engineer

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

Benefits offered by this job

Medical benefits

Competitive salary

Base pay aligned with gov contracts

Job summary

Modern Technology Solutions, Inc. (MTSI) seeks a Requirements Systems Engineer to support USSF programs, contributing to SE&I activities, MBSE development, and requirements analysis.

You will develop, refine, and verify system and subsystem requirements, ensuring clear traceability and verifiability. Work with government and contractor teams to close requirement gaps using DOORS, lead or support technical working groups, prepare materials, and assist program leadership with briefings.

Qualifications

• Bachelor’s degree in engineering, physics, math, CS or a related 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 written and verbal communication skills.

Responsibilities

• Support MBSE activities to develop, refine, and maintain system and subsystem baselines.
• Develop, analyze, refine, and manage system and subsystem requirements with traceability.
• Participate in requirements verification and review TRDs, ICDs, and artifacts.
• Work with government and contractor teams to close requirement gaps using DOORS.
• Lead or support technical working groups and document minutes and actions.
• Assess impacts to baselines and identify integration considerations across space/ground stakeholders.
• Review program documentation and collaborate on adjudication and updates.
• Provide inputs and support briefings for USSF program leadership.
• Support risk, issue, and dependency management and propose solutions.

Skills

MBSE

Systems engineering

Requirements analysis

DOORS

Traceability

Communication skills

MS Office

Education

Bachelor's degree in engineering/physics/math/CS

Tools

DOORS

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.

Base pay information is based on market location.