Test and Evaluation Engineer

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

Job summary

Modern Technology Solutions, Inc. (MTSI) seeks a Sr Test & Eval Engineer to lead planning and execution of ACAT-like developmental and operational tests for advanced space control systems in secure government environments.

The ideal candidate will have expert ACAT-like testing experience, the ability to lead test teams, and strong data analysis skills, with readiness to work in SAPF/SCIF settings and support travel as required.

Qualifications

• Expert-level ACAT-like test and evaluation planning and execution for developmental and operational testing of complex systems.
• Proven ability to lead test teams and manage high-stakes evaluations.
• Experience managing test deficiencies and coordinating resolution in formal processes.

Responsibilities

• Lead planning, execution, and evaluation of ACAT-like developmental and operational test programs.
• Develop, maintain, and validate test plans, procedures, data collection methods, and evaluation criteria.
• Coordinate test readiness across engineering, systems, and acquisition teams.

Skills

ACAT-like testing planning

Leadership of test teams

Data analysis

Effective communication with senior领导

SAPF/SCIF environments experience

Education

MA/MS degree preferred in engineering/physics/computer science

BS with 12+ years acceptable

Tools

Test management tools

Automated testing frameworks

Advanced data analysis systems

Job description

Overview

Modern Technology Solutions, Inc. (MTSI) is seeking a Sr Test & Eval Engineer to lead ACAT-like test and evaluation planning and execution for developmental and operational testing of advanced space control systems. This role supports a U.S. Space Force (USSF) program office delivering capabilities across space, ground, and command-and-control (C2) mission areas. Work will be performed in secure government environments supporting highly sensitive, mission-critical programs. The ideal candidate brings technical mastery and strategic insight to ensure rigorous, evidence-based assessment of system performance.

Responsibilities

• Lead planning, execution, and evaluation of ACAT-like developmental and operational test programs, ensuring alignment with program objectives.
• Develop, maintain, and validate test plans, procedures, data collection methods, and evaluation criteria for complex systems.
• Coordinate test readiness across engineering, systems, and acquisition teams, ensuring integrated and technically robust test execution.
• Manage and oversee deficiency identification, tracking, and resolution through formal test boards and working groups.
• Analyze test data, assess system performance, and provide evidence-based recommendations to senior government leadership.
• Support system integration, verification, and validation across space, ground, and C2 mission segments.
• Prepare and deliver technical briefings, risk assessments, and decision-support documentation to senior stakeholders.
• Represent the program office in contractor test reviews, technical interchange meetings, and cross-organizational forums.
• Mentor and guide junior test engineers, fostering a high-performing, knowledge-sharing team environment.

Qualifications

• Expert-level experience in ACAT-like test and evaluation planning and execution for developmental and operational testing of complex systems.
• Proven ability to lead test teams, manage high-stakes evaluations, and deliver actionable technical recommendations.
• Experience managing test deficiencies and coordinating resolution in formal processes or boards.
• Strong analytical skills with the ability to interpret complex test data and communicate results effectively to senior leadership.
• Experience in SAPF/SCIF environments or highly classified programs preferred.

Desired Requirements

• Experience supporting ACAT I/II or highly classified special access programs.
• Familiarity with DoD test and evaluation standards, milestone reviews, and verification processes.
• Experience with test management tools, automated testing frameworks, or advanced data analysis systems.
• Education: MA/MS degree preferred. A Bachelor’s degree with 12+ years of relevant experience may be acceptable. Degree should be in engineering, physics, computer science, or related technical field.
• Clearance: Active TOP SECRET clearance with SCI eligibility required. Willingness to work in SAP environments as needed and maintain TS/SCI eligibility with Counterintelligence polygraph. U.S. Citizenship required.

Location and Travel

Full-time on-site support within secure government facilities (SAPF/SCIF). Approximately 15–20% CONUS travel, with potential for limited OCONUS travel depending on mission needs.

Compensation and Benefits

The pay range is California-specific: $165,000 to $205,000 per year. Base pay may vary based on government contract wages, knowledge, skills, experience, and other factors. MTSI offers a full range of medical, financial, and other benefits dependent on the position offered.

Applicants should apply via MTSI's internal or external careers site. #LI-BH1 #MTSI #MTSIjobs